APPENDIX 5.3.1A: FISH SPECIES NAMES AND ABBREVIATIONS€¦ · REGIONAL CUMULATIVE EFFECTS...

REGIONAL CUMULATIVE EFFECTS ASSESSMENT – PHASE II WATER – FISH COMMUNITY – APPENDIX 5.3.1A

APPENDIX 5.3.1A: FISH SPECIES NAMES AND

ABBREVIATIONS


DECEMBER 2015 5.3.1A-1

Table 5.3.1A-1: Fish species names, scientific names and species name abbreviations that appear in this document.

Species Name Scientific Name Species Name Abbreviation

Arctic Char Salvelinus alpinus ARCH

Arctic Grayling Thymallus articus ARGR

Bigmouth Buffalo Ictiobus cyprinellus BGBF

Blacknose Shiner Notropis heterolepis BLSH

Brook Trout Salvelinus fontinalis BRTR

Burbot Lota lota BURB

Common Carp Cyprinus carpio CARP

Cisco Coregonus artedi CISC

Emerald Shiner Notropis atherinoides EMSH

Fathead Minnow Pimephales promelas FTMN

Flathead Chub Platygobio gracilis FLCH

Freshwater Drum Aplodinotus grunniens FRDR

Goldeye Hiodon alosoides GOLD

Johnny Darter Etheostoma nigrum JHDR

Lake Chub Couesius plumbeus LKCH

Lake Sturgeon Acipenser fulvescens LKST

Lake Trout Salvelinus namaycush LKTR

Lake Whitefish Coregonus clupeaformis LKWH

Logperch Percina caprodes LGPR

Longnose Sucker Catostomus catostomus LNSC

Mooneye Hiodon tergisus MOON

Mottle Sculpin Cottus bairdii MTSC

Ninespine Stickleback Pungitius pungitius NNST

Northern Pearl Dace Margariscus nachtriebi PRDC

Northern Pike Esox lucius NRPK

Quillback Carpiodes cyprinus QUIL

Rock Bass Ambloplites rupestris RCBS

Rainbow Smelt Osmerus mordax RNSM

Round Whitefish Prosopium cylindraceum RNWH

Sauger Sander canadensis SAUG

Shorthead Redhorse Moxostoma macrolepidotum SHRD



Table 5.3.1A-1: Fish species names, scientific names and species name abbreviations that appear in this document.

Species Name Scientific Name Species Name Abbreviation

Silver Lamprey Ichthyomyzon unicuspis SLLM

Silver Redhorse Moxostoma anisurum SLRD

Slimy Sculpin Cottus cognatus SLSC

Smallmouth Bass Micropterus dolomieu SMBS

Spoonhead Sculpin Cottus ricei SPSC

Spottail Shiner Notropis hudsonius SPSH

Troutperch Percopsis omiscomaycus TRPR

Walleye Sander vitreus WALL

White Bass Morone chrysops WHBS

White Sucker Catostomus commersonii WHSC

Yellow Perch Perca flavescens YLPR

REGIONAL CUMULATIVE EFFECTS ASSESSMENT – PHASE II WATER – FISH COMMUNITY – APPENDIX 5.3.1B

APPENDIX 5.3.1B: FISH COMMUNITY METRICS METHODS


DECEMBER 2015 5.3.1B-1

1.0 Source of Data Fish community data used in the quantitative analysis were limited to studies that used standard gang index gillnetting (also referred to as experimental gillnetting). An index gillnetting study consists of setting a gang of gillnets comprised of panels of a pre-determined range of mesh sizes, typically overnight. Index gillnetting were selected for the analysis because it is the most consistently used sampling method over time and has been employed in many of the study area waterbodies in multiple years.

The major studies and years during which data used in the quantitative analysis were collected include1:

· Department of Fisheries and Oceans studies of Southern Indian Lake (1972–1979, 1982); · Provincial index gillnetting programs (1981–2007);

· Manitoba Ecological Monitoring Program/Canada-Manitoba Agreement on the Monitoring of Mercury (1983–1989);

· Manitoba Fisheries Branch study of the fisheries of the lower Nelson River and the impacts of hydroelectric development (1985–1989);

· Limestone Aquatic Monitoring Program (1992–1999, 2003);

· Cross Lake weir monitoring program (1992–2007); · Churchill Weir environmental studies and monitoring program (1994–2013);

· Tataskweyak Environmental Monitoring Agency studies on Split Lake (1997–1998); · Wuskwatim Generation Project environmental studies and monitoring program (1998–2007);

· Keeyask Generation Project environmental studies and monitoring program (1999, 2001–2004, 2009);

· South Indian Lake Environmental Steering Committee monitoring program (2011–2013); and

· Coordinated Aquatic Monitoring Program studies (2008–2013).

Data collected by the province in the 1960s were excluded from the quantitative analysis because of uncertainties with the sampling procedures. Likewise, pre-development data collected by the Lake Winnipeg, Churchill and Nelson Rivers Study Board could not be included because the data tabulated in the reports were not directly comparable with later studies. For example, the report by Ayles et al. (1974) only reported the catch in a subset of meshes and excluded the catch from 2-inch mesh, which was included in later studies.

1 The duration of many of the studies extended beyond the years indicted but only years in which fish community data used in this analysis are listed.



In some cases, RCEA analysis results differed from the results previously published for the studies listed above. In order to make the datasets of different programs more comparable, it was necessary to adjust the data used. Adjustments to the various datasets included:

1. Because the species composition and size of individual fish captured is a function of the size of mesh used in standard gangs, the gill nets used among programs was standardized by limiting the size of mesh to 2 to 5/5.25 inches. Any data collected from fish captured in panels less than 2 inches or larger than 5.25 inch were excluded from the analysis1.

2. Only catches from the open water season were used. It is recognized that there is also variation within the open water season, but the number of studies were insufficient to permit standardization to the same time of year.

3. Differences in the gang length used among different studies (e.g., 50-yard panels used in historic studies versus 25-yard panels used more recently, gangs consisting of different numbers of panels) were adjusted as a linear function of the actual gang length used.

4. Because differences in methods used to age fish among studies can result in significant differences in the estimation of the age, age data determined from the examination of scales or fin rays were excluded from the analysis.

5. Data from sets that did not have the set duration recorded were excluded from the calculation of Catch per unit effort (CPUE) but were included in the calculation of the other metrics.

The intensity and design of sampling programs varied considerably among studies; however, no attempt was made to standardize sampling locations among studies due to limited sampling locations in some studies, and insufficient information on the location of sets or habitat conditions in other studies. Therefore, in some cases, there are considerable differences in the geographic coverage of a waterbody by sites as well as the number of sets in a given year. Where there was uncertainty as to whether observed changes were a result of differences in sampling design and sufficient information was available, analyses to assess the potential effect of differences in sampling design were conducted (e.g., Area 2: Split Lake).

2.0 Calculation of Metrics

METRIC 1: CATCH-PER-UNIT-EFFORT

Catch per unit effort (CPUE) is an index of abundance that is a well-accepted indicator in fisheries science and is expressed as the number of fish captured in a standardized length of net over a fixed amount of time.

1 In some instances a metric was calculated using a different set of mesh, where this has occurred, the meshes included in the analysis are indicated in the text/table/figure. For example, 1.5 inch mesh was included in the metric calculations for the Churchill Weir studies (Area 4).



A CPUE value was calculated for the total catch, as well as for the two focal species (Lake Whitefish and Walleye). Because panel lengths occasionally varied due to differences in individual panel length (e.g., 25-yard versus 50-yard), as did the number of panels used in a gang, the catch in each set was proportionally adjusted to 100 m. Data were only included in the calculation of CPUE if the set duration was known for the set and the catch for each set was adjusted to 24 hours. A CPUE was calculated for each index gillnet set by summing the catch in each panel and making the adjustments for duration and gang length, then an annual CPUE was calculated by averaging the set-specific values1. The formula for CPUE is:

CPUE = Cx or Ct / E × 24 h / L × 100 m

Where Cx is the number of fish caught by species x, Ct is the total number of fish caught, E is the effort (set hours), and L is the length of the index gillnet gang.

In some instances, where gillnet gangs were split, the catches were combined to represent a full gang (e.g., in 2003 in Area 2: downstream of the Kettle GS, seven sites were sampled with split gangs on consecutive days and these catches were combined and the durations averaged over the two days).

The annual CPUE of each waterbody was then plotted as a box plot or scattergram (see Section 3.0, Statistical Analysis of Methods).

METRIC 2: RELATIVE ABUNDANCE

Relative abundance (RA) is a measure of species diversity that is calculated as the proportion of the number of a particular species relative to the total catch.

An annual RA percentage was calculated for each waterbody by summing the number of fish of each species captured in each set and then dividing this species-specific tally by the total number of fish captured in the sets to produce a frequency of occurrence. This frequency of occurrence was then converted into percentage by multiplying it by 100.

RA = Cx / Ct × 100%

Where Cx is the number of fish caught by species x, Ct is the total number of fish caught.

An average RA for a given time period was calculated by summing up the number of fish of each species captured at all the gangs set over that period then divided by the sum of the total number of fish captured during that period.

The RAs were plotted as a Bar Chart for each waterbody.

1 There are cases where “Overnight Catch per Set” was calculated in lieu of CPUE for data sets where set duration was only recorded as “overnight” – in these cases effort was not standardized to 24 h.



METRIC 3: HILL’S EFFECTIVE SPECIES RICHNESS

Hill’s effective species richness is a measure of the richness (i.e., the number of different species in an area) and evenness (i.e., the distribution of the different species in an area) of taxa making up the fish community.

An annual Hill’s effective species richness value (Hill number) was calculated for each waterbody by pooling the data from all of the gillnet sets in a given year. The first step was to calculate the proportional abundance (p) of each of i species (S) by dividing the number of individuals of each species by the total number of fish caught (pi = Cx / Ct). A diversity ratio (H’) was then calculated as the sum of the product of the proportional abundance (pi) and its natural logarithm (lnpi) for each of i species (S). The Hill number (H) was then calculated as the inverse of the diversity ratio (H’). The formulae for the calculations are:

H’ = - ΣSi (pi × lnpi)

H = exp(H’)

The annual Hill numbers were compared between sampling periods using box plots or scattergrams (see Section 3.0, Statistical Analysis of Methods).

METRIC 4: FULTON’S CONDITION FACTOR

Fulton’s condition factor (KF) is a measure of the condition of the fish (i.e., girth or “fatness”).

A condition factor was calculated for all individuals of the two focal species captured in index gillnet sets for which there was data on fork length (mm) and round weight (g). The formula using to calculate K was derived by Fulton (1911 cited in Ricker 1975):

KF = W × 105 / L3

Where W is the weight and L is the fork length.

An average annual K value was calculated separately for Walleye and Lake Whitefish for each waterbody by averaging the individual K values of fish captured at all sets in a given year.

The annual average K values were compared between sampling periods using box plots or scattergrams (see Section 3.0, Statistical Analysis of Methods).

METRIC 5: GROWTH

The von Bertalanffy growth model was selected to analyse growth of the focal species and was calculated using the following formula (from von Bertalanffy 1934, 1938 cited in Ricker 1975):

lt = L∞(1-e-k(t-to))

Where lt is the expected or average length at age t, L∞ is the asymptotic average length (i.e., the point where growth reaches an asymptote and slows), k is the Brody growth coefficient, and to is a modeling artefact that represents the age when the average length was zero.



Modeling was done in two steps using Excel. First, preliminary starting values for each parameter (lt, L∞, k, and to) were estimated using Ford-Walford plots (Ford 1933; Walford 1946), and second, nonlinear least squares (Excel Solver) was used to adjust these starting values and fit growth curves to the data. To increase the sample size, fish were pooled from all years sampled within a given period for each waterbody.

The von Bertalanffy growth curves were plotted as line graphs for each waterbody and inspected for differences among periods.

METRIC 6: RELATIVE YEAR CLASS STRENGTH

Relative year class strength is a method of comparing year class strength within a population. The relative year class strength method calculates the contribution of cohorts (a group of fish born in the same year) over discrete time periods based on yearly age distributions between successive sampling periods relative to the total sample. An index value was calculated for each cohort stepwise:

a) The percentage of fish in the catch of each age is calculated for each of the sample years (e.g., the number of 5-year old fish sampled in 1985).

b) The mean percentage of fish of each age for the whole sampling period is or was calculated (e.g., the number of 5-year old fish sampled from 1985–1989).

c) A percentage of the difference year classes in different years calculated as the percentage of an age class in a given year (value from step a) compared to the mean for that age class for the entire study (value from step b) (e.g., percent 5 year olds in a sample year / percent 5 year olds in all sample years × 100).

d) The index is then calculated by adding up all of the values from step c for a given year class and dividing the sum by the number of occurrence of the year class within the sample period (e.g., the 1981 year class was sampled in 1985 as age 4, 1986 as age 5, 1987 as age 6, and 1988 as age 7, with step c values of 50, 15, 8, and 5% and a final index value of 20).

The calculations were restricted to ages that were reasonably well represented in the catch. A restriction of relative year class strength analysis is that it requires a minimum of two or more surveys in consecutive years; therefore this method cannot be used for waterbodies that are monitored in non-successive years (e.g., Coordinated Aquatic Monitoring Program rotational sites). Cohorts with index values greater than 100 are considered stronger year classes compared those less than 100 (Mann 1973 cited by Frear and Cowx 2003).

The year class strength index values were plotted as a Bar Chart for each waterbody.

3.0 Statistical Analysis of Metrics

BOX PLOTS/SCATTERGRAMS

Box plots and scattergrams were created using XLStat. These graphs were used to compare annual mean values over different time periods within a given waterbody as well as among waterbodies. The



time periods were selected to best compare data based on the availability of data and the dates of hydroelectric development (i.e., pre- post- comparisons) and differ among the study areas. Scattergrams were used when it was deemed that there were not sufficient years of data for a box plot.

In the example box plot above, the red cross represents the mean, the black line inside the box is the median, and the top and bottom of the box represent the first and third quartiles, respectively. The blue dots are the maximum and minimum values. Any points above or below the whiskers are considered outliers and are depicted by a blue dot with a cross through it (see Period 3).

Box plots were interpreted as such: · There is a difference between the groups (i.e., waterbodies or periods) when there is no overlap in

the boxes (i.e., the spread — the space between the first and third quartiles) — as seen in the boxplot above with Period 3.

· There is likely a difference between the groups when the boxes overlap, but not with one or both of the medians – as seen in the boxplot above between Periods 1 and 2.

· There is no difference between the groups when the boxes overlap with both medians.



In the example scattergram above, the black dots represent data points (i.e., the annual mean value), the red cross represents the mean, and the long red line represents the median.

4.0 Literature Cited Ayles, H., S. Brown, K. Machniak, and Sigurdson, J. 1974. The fisheries of the lower Churchill lakes, the

Rat-Burntwood lakes and the upper Nelson lakes: present conditions and the implications of hydroelectric development. The Lake Winnipeg, Churchill and Nelson Rivers Study Board technical report, Appendix 5, Volume 2, Section I. 99 pp.

Ford, E. 1933. An account of the herring investigations conducted at Plymouth during the years from 1924–1933. Journal of the Marine Biological Association (U.K.) 19: 305–384.

Frear, P.A., and Cowx, I.G. 2003. Factors affecting coarse fish recruitment. Phase II – examination of and analysis of existing Environment Agency data. R&D Technical Report W2-048/TR. Environment Agency, National Fisheries Technical Team and University of Hull International Fisheries Institute. 67 pp.

Ricker, W. 1975. Computation and interpretation of biological statistics of fish populations. Technical Report Bulletin 191, Bulletin of the Fisheries Research Board of Canada. 382 pp.

Walford, L.A. 1946. A new graphic method of describing the growth of animals. Biological Bulletin 90: 141–147.


APPENDIX 5.3.2A: AREA 1

LAKE WINNIPEG OUTLET TO JENPEG GENERATING STATION


DECEMBER 2015 5.3.2A-I

Appendix Tables, Figures and Maps Page

Tables Table 5.3.2A-1: Parameters of the von Bertalanffy growth curves. ........................................... 5.3.2A-1

Figures Figure 5.3.2A-1: Box plot of total catch-per-unit-effort (CPUE) in standard gang index gill

nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR and in an off-system lake (bottom). ................................................. 5.3.2A-2

Figure 5.3.2A-2: Relative abundance (%) of fish species in standard gang index gill nets set in three lakes located upstream of the Jenpeg GS over four decades. ........... 5.3.2A-3

Figure 5.3.2A-3: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in three lakes upstream of the Jenpeg GS and an off-system lake (Setting Lake) as part of CAMP (2008–2013). ............................. 5.3.2A-4

Figure 5.3.2A-4: Box plot of Hill’s effective species richness in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR, and in an off-system lake (bottom). ................................................ 5.3.2A-5

Figure 5.3.2A-5: Production (kg) (marketed weight 1940–1991; round weight 1992–2014) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Playgreen Lake, 1940–2014. ........................................................................... 5.3.2A-6

Figure 5.3.2A-6: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Kiskittogisu Lake, 1938–2014. ....................................................... 5.3.2A-7

Figure 5.3.2A-7: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Kiskitto Lake, 1957–2014. .............................................................. 5.3.2A-8

Figure 5.3.2A-8: Box plot of catch-per-unit-effort (CPUE) of Lake Whitefish in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR and in an off-system lake (bottom). .................................. 5.3.2A-9

Figure 5.3.2A-9: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets sets in (top) three lakes upstream of the Jenpeg GS over four decades post-LWR, and (bottom) in an off-system lake (Setting Lake). ......................................................................................... 5.3.2A-10

Figure 5.3.2A-10: von Bertalanffy growth curves for fork length of Lake Whitefish captured in standard gang index gill nets set in one lake upstream of the Jenpeg GS over four decades. .......................................................................................... 5.3.2A-11

Figure 5.3.2A-11: von Bertalanffy growth curves for fork length of Lake Whitefish captured in standard gang index gill nets set in one lake upstream of the Jenpeg GS (solid line) and one off-system lake (dashed line). ......................................... 5.3.2A-12

Figure 5.3.2A-12: Relative year class strength of Lake Whitefish captured in standard gang index gill nets set in the south basin of Playgreen Lake by Manitoba Fisheries Branch from 1983–1985. ................................................................ 5.3.2A-13


DECEMBER 2015 5.3.2A-II

Figure 5.3.2A-13: Box plot of catch-per-unit-effort (CPUE) of Walleye in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades and an off-system waterbodies (bottom). ........................................ 5.3.2A-14

Figure 5.3.2A-14: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill net sets in (top) three lakes upstream of the Jenpeg GS (bottom) and an off-system lake (Setting Lake) over four decades. .............. 5.3.2A-15

Figure 5.3.2A-15: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in a lake upstream of the Jenpeg GS and an off-system lake (Setting Lake) over two decades. ................................................................... 5.3.2A-16

Figure 5.3.2A-16: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in lakes upstream of the Jenpeg GS (solid lines) and off-system lakes (dashed line) from 2008–2013 as part of CAMP. ................................. 5.3.2A-17

Figure 5.3.2A-17: Relative year class strength of Walleye captured in standard gang index gill nets from 2008–2013 in the south basin of Playgreen Lake and an off-system lake (Setting Lake). ............................................................................ 5.3.2A-18

Maps Map 5.3.2A-1: Index Gillnetting Sites – Playgreen and Little Playgreen Lakes ..................... 5.3.2A-19



Table 5.3.2A-1: Parameters of the von Bertalanffy growth curves.

Species Figure Waterbody Period t₀ k L∞

Lake Whitefish Figure 5.3.2A-9 South Playgreen L 1980s -0.82 0.23 461

2010s -0.56 0.32 490

Figure 5.3.2A-10 South Playgreen L 2008–2013 -0.58 0.31 492

Setting L 2008–2013 -0.26 0.30 484

Walleye Figure 5.3.2A-14 South Playgreen L 2000s -0.01 0.23 579

2010s 0.18 0.25 607

Setting L 2000s -0.56 0.23 461

2010s -0.72 0.27 436

Figure 5.3.2A-15 South Playgreen L 2008–2013 0.27 0.25 604

North Playgreen L 2008–2013 -0.18 0.30 495

Little Playgreen L 2008–2013 -0.63 0.26 504

Setting L 2008–2013 -0.60 0.26 440



Figure 5.3.2A-1: Box plot of total catch-per-unit-effort (CPUE) in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR and in an off-system lake (bottom).

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

X1

Little Playgreen L

1980s1990s 2000s2010s0

20

40

60

80

100

120

X1

North Playgreen L

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

Tota

l CP

UE

(fis

h/10

0 m

/24

h)

South Playgreen L

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

Tota

l CP

UE

(fis

h/10

0 m

/24

h)

Setting L



Figure 5.3.2A-2: Relative abundance (%) of fish species in standard gang index gill nets set in three lakes located upstream of the Jenpeg GS over four decades.

0% 20% 40% 60%

BGBFBURBCARPCISC

EMSHFRDRGOLDLKCHLKST

LKWHLNSC

MOONNRPKQUILRCBSRNSMSAUGSHRDSLRDSMBSSPSHTRPRWALLWHBSWHSCYLPR

Mean RA (%)

Kiskittogisu Lake

1990s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Kiskitto Lake

2000s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Little Playgreen L

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

North Playgreen L

1980s

1990s

2000s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

South Playgreen L

1980s

1990s

2000s

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Setting L

2000s

2010s



Figure 5.3.2A-3: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in three lakes upstream of the Jenpeg GS and an off-system lake (Setting Lake) as part of CAMP (2008–2013).

0% 25% 50% 75%

BURB

CISC

EMSH

FRDR

GOLD

LKWH

LNSC

NRPK

QUIL

RCBS

RNSM

SAUG

SHRD

SPSH

WALL

WHSC

YLPR

Mean Relative Abundance (%)

2008-2013

Setting L

Little Playgreen L

N Playgreen L

S Playgreen L



Figure 5.3.2A-4: Box plot of Hill’s effective species richness in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR, and in an off-system lake (bottom).

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

Little Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

North Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

Hill

s In

dex

South Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

Hill

s In

dex

Setting L



Sources: 1940–1991 data from Macdonald (1992) in marketed weights (kg) to 1979, round weights (kg) since 1980; 1992–2014 data from FFMC 2015 (unpubl.) in round weight equivalents.

Figure 5.3.2A-5: Production (kg) (marketed weight 1940–1991; round weight 1992–2014) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Playgreen Lake, 1940–2014.

0

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

450,000

500,000

1940

1945

1950

1955

1960

1965

1970

1975

1980

1985

1990

1995

2000

2005

2010

Com

mer

cial

Pro

duct

ion

(kg)

Year

Walleye Northern Pike Lake Whitefish



Sources: 1938–1993 data from McKerness (1997) in marketed weights (kg); 1994–1995 data from MCWS (unpubl.);1996–2014 data from FFMC (unpubl.) in round weight equivalents (kg). Notes: The Kiskittogisu Lake quota was purchased in 1993 by the Norway House Commercial Fisherman’s Cooperative Limited (Graveline and Horne 1998).

Figure 5.3.2A-6: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Kiskittogisu Lake, 1938–2014.

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

80,000

1938

1943

1948

1953

1958

1963

1968

1973

1978

1983

1988

1993

1998

2003

2008

2013

Com

mer

cial

Pro

duct

ion

(kg)

Year




Sources: 1957–1993 data from McKerness (1997) in marketed weights (kg); 1994–1995 data from MCWS (unpubl.);1996–2014 data from FFMC (unpubl.) in round weight equivalents (kg).

Figure 5.3.2A-7: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Kiskitto Lake, 1957–2014.

0

5,000

10,000

15,000

20,000

25,000

1957

1962

1967

1972

1977

1982

1987

1992

1997

2002

2007

2012

Com

mer

cial

Pro

duct

ion

(kg)

Year




Figure 5.3.2A-8: Box plot of catch-per-unit-effort (CPUE) of Lake Whitefish in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades post-LWR and in an off-system lake (bottom). Note that the y-axis scale is different for the south basin of Playgreen Lake than for other waterbodies.

1980s 1990s 2000s 2010s0

5

10

15

20

25

30LK

WH

CP

UE

(fis

h/10

0 m

/24

h)South Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

X1

Little Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

North Playgreen L

1980s 1990s 2000s 2010s0

1

2

3

4

5

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

Setting L


DECEMBER 2015 5.3.2A-10

Figure 5.3.2A-9: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets sets in (top) three lakes upstream of the Jenpeg GS over four decades post-LWR, and (bottom) in an off-system lake (Setting Lake).

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

X1

Little Playgreen L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

X1

North Playgreen L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

KF

South Playgreen L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

KF

Setting L


DECEMBER 2015 5.3.2A-11

Figure 5.3.2A-10: von Bertalanffy growth curves for fork length of Lake Whitefish captured in standard gang index gill nets set in one lake upstream of the Jenpeg GS over four decades. Growth parameters for the curves are summarized in Table 5.3.2A-1.

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

South Playgreen Lake

1980s 2010s


DECEMBER 2015 5.3.2A-12

Figure 5.3.2A-11: von Bertalanffy growth curves for fork length of Lake Whitefish captured in standard gang index gill nets set in one lake upstream of the Jenpeg GS (solid line) and one off-system lake (dashed line). Growth parameters for the curves are summarized in Table 5.3.2A-1.

0

100

200

300

400

500

600

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

2008-2013


Setting Lake


DECEMBER 2015 5.3.2A-13

Figure 5.3.2A-12: Relative year class strength of Lake Whitefish captured in standard gang index gill nets set in the south basin of Playgreen Lake by Manitoba Fisheries Branch from 1983–1985.

0

50

100

150

200

250

1973 1974 1975 1976 1977 1978 1979 1980 1981

Yea

r C

lass

Ind

ex

Year Class

S Playgreen


DECEMBER 2015 5.3.2A-14

Figure 5.3.2A-13: Box plot of catch-per-unit-effort (CPUE) of Walleye in standard gang index gill nets sets in three lakes upstream of the Jenpeg GS (top) over four decades and an off-system waterbodies (bottom).

1980s 1990s 2000s 2010s0

5

10

15

20

25

30

X1

Little Playgreen L

1980s 1990s 2000s 2010s0

5

10

15

20

25

30

CP

UE

(fis

h/10

0 m

/24

h)

S Playgreen L

1980s 1990s 2000s 2010s0

5

10

15

20

25

30

WA

LL C

PU

E (f

ish/

100

m/2

4 h)

North Playgreen L

1980s 1990s 2000s2010s0

5

10

15

20

25

30

WA

LL C

PU

E (f

ish/

100

m/2

4 h)

Setting L


DECEMBER 2015 5.3.2A-15

Figure 5.3.2A-14: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill net sets in (top) three lakes upstream of the Jenpeg GS (bottom) and an off-system lake (Setting Lake) over four decades.

1980s 1990s 2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

Little Playgreen L

1980s 1990s 2000s 2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

North Playgreen L

1980s 1990s 2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

KF

South Playgreen L

1980s 1990s2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

KF

Setting L


DECEMBER 2015 5.3.2A-16

Figure 5.3.2A-15: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in a lake upstream of the Jenpeg GS and an off-system lake (Setting Lake) over two decades. Growth parameters for the curves are summarized in Table 5.3.2A-1.

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age


2000s 2010s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

Setting Lake

2000s 2010s


DECEMBER 2015 5.3.2A-17

Figure 5.3.2A-16: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in lakes upstream of the Jenpeg GS (solid lines) and off-system lakes (dashed line) from 2008–2013 as part of CAMP. Growth parameters for the curves are summarized in Table 5.3.2A-1.

0

100

200

300

400

500

600

700

800

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

2008-2013


North Playgreen Lake

Little Playgreen Lake

Setting Lake


DECEMBER 2015 5.3.2A-18

Figure 5.3.2A-17: Relative year class strength of Walleye captured in standard gang index gill nets from 2008–2013 in the south basin of Playgreen Lake and an off-system lake (Setting Lake).

0

50

100

150

200

250

2001 2002 2003 2004 2005 2006 2007 2008

Yea

r C

lass

Ind

ex

Year Class

S Playgreen Setting

no d

ata

no d

ata

no d

ata

Norway House Cree NationNorway House (NAC)

Jack River

Oscar Creek

Nelson Rive

r (East C

hannel)

Lochhead Lake

2-MileChannel

WestIsland

Playgreen Lake

Playgreen Lake

Kiskittogisu Lake

8-Mile Channel

LAKEWINNIPEG

Little Playgreen

Lake

373

373

Warren Landing

1.0

26-AUG-15

North/South Consultants

Created By: cparker - B Size Portrait BTB - MAR 2015 Scale: 1:244,899

Province of Manitoba, Government of Canada, North/South Consultants andManitoba Hydro.

30-NOV-15

File Location: J:\MYP\MH_RCEA\Fish_Popltns\PHASE_2\Mxd\Area1\20151130_RCEA_PhaseII_AE_FISH_EE_IndexGillnettingSitesPlaygreenAndLittlePlaygreenLakes_cp.mxd

Hudson Bay

Thompson

Churchill

Index Gillnetting Sites Playgreen and Little Playgreen Lakes

Regional Cumulative Effects Assessment

NAD 1983 UTM Zone 14N

0 2.5 5 Kilometres

0 2 4 Miles

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Fish Sampling Sites/AreasCoordinated Aquatic Monitoring Program (CAMP)Manitoba Fisheries Branch

NOTE: (NAC) Northern Affairs Community

LegendFirst Nation Reserve

InfrastructureHighway

Map 5.3.2A-1



JENPEG GENERATING STATION TO KELSEY GENERATING STATION





Figures Figure 5.3.3A-1: Box plots of total catch-per-unit-effort (CPUE) in standard gang index gill

nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies. ..................................... 5.3.3A-3

Figure 5.3.3A-2: Catch of Lake Whitefish, Walleye, and remaining species in overnight sets of five panel experimental gillnet gangs (3 to 5.25 inch mesh) set in Cross Lake (top) and Sipiwesk Lake (bottom). ........................................................... 5.3.3A-4

Figure 5.3.3A-3: Relative abundance (%) of fish species in standard gang index gill nets set in five waterbodies downstream of the Jenpeg GS and two off-system waterbody (Walker Lake, Setting Lake) over four decades. ............................ 5.3.3A-5

Figure 5.3.3A-4: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in three waterbodies downstream of the Jenpeg GS and two off-system lakes (Walker Lake, Setting Lake) as part of CAMP (2008–2013). ................................................................................................................ 5.3.3A-6

Figure 5.3.3A-5: Box plot of Hill’s effective species richness in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies. ..................................... 5.3.3A-7

Figure 5.3.3A-6: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Cross Lake (east basin), 1959-2014. ............................................. 5.3.3A-8

Figure 5.3.3A-7: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Pipestone Lake, 1957–2014. ......................................................... 5.3.3A-9

Figure 5.3.3A-8: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Walker Lake, 1942–2014. ............................................................ 5.3.3A-10

Figure 5.3.3A-9: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Sipiwesk Lake, 1945–2014. ......................................................... 5.3.3A-11

Figure 5.3.3A-10: Box plot of catch-per-unit-effort (CPUE) of Lake Whitefish in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four periods and (bottom) in two off-system waterbodies. ..................... 5.3.3A-12

Figure 5.3.3A-11: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets sets (top) in four waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies. ................................................................................................... 5.3.3A-13

Figure 5.3.3A-12: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in waterbodies downstream of the Jenpeg GS (solid lines) and in off-system waterbodies (dashed lines) as part of MEMP.. ........ 5.3.3A-14



Figure 5.3.3A-13: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in five waterbodies downstream of the Jenpeg GS over four decades (insufficient numbers of Lake Whitefish were captured in 2010s for growth analysis), and one off-system waterbody (Walker Lake). .. 5.3.3A-15

Figure 5.3.3A-14: Relative year class strength of Lake Whitefish captured in standard gang index gill nets from1980-1989 in three waterbodies downstream of the Jenpeg GS, east basin of Cross Lake (1974–1985 cohorts), west basin of Cross Lake (1970-1978, 1980–1986 cohorts), and Sipiwesk Lake (1977–1985 cohorts). ................................................................................................. 5.3.3A-16

Figure 5.3.3A-15: Box plot of catch-per-unit-effort (CPUE) of Walleye in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in a two off-system lakes. .................................... 5.3.3A-17

Figure 5.3.3A-16: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies. 5.3.3A-18

Figure 5.3.3A-17: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set four waterbodies downstream of the Jenpeg GS over four decades and in two off-system lakes (Walker Lake and Setting Lake).. ........ 5.3.3A-19

Figure 5.3.3A-18: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in waterbodies downstream of the Jenpeg GS (solid lines) and in off-system waterbodies (dashed lines) as part of MEMP (top) and CAMP (bottom). ......................................................................................................... 5.3.3A-20

Figure 5.3.3A-19: Relative year class strength of Walleye captured in standard gang index gill nets in the 1980s (upper panel) from the east basin of Cross Lake (1970–1982 cohorts), the west basin of Cross Lake (1970–1973, 1975–1983 cohorts), Pipestone Lake (1969–1975 cohorts), and Sipiwesk Lake (1973–1983 cohorts), and in the 2000s and 2010s (lower panel) from the west basin of Cross Lake (2001–2008 cohorts) and an off-system waterbody (Setting Lake, 2001–2008 cohorts). ............................................................... 5.3.3A-21

Maps Map 5.3.3A-1: Index Gillnetting Sites – Cross, Pipestone and Walker Lakes ....................... 5.3.3A-22 Map 5.3.3A-2: Index Gillnetting Sites – Sipiwesk Lake and Upper Nelson River .................. 5.3.3A-23 Map 5.3.3A-3: Neuston Tows where Larval Lake Whitefish were Captured in the Spring of

1995 ................................................................................................................ 5.3.3A-23





Lake Whitefish Figure 5.3.3A-11 East Cross L 1980–1989 -0.38 0.31 533

West Cross L 1980–1989 -0.15 0.29 510

Pipestone L 1980–1989 -0.73 0.26 515

Sipiwesk L 1980–1989 0.01 0.25 503

Walker L 1980–1989 -0.05 0.26 519

Figure 5.3.3A-12 East Cross L 1980s -0.38 0.31 533

1990s -0.86 0.20 587

2000s -1.75 0.20 567

West Cross L 1980s -0.15 0.29 510

1990s -1.29 0.15 608

2000s -2.85 0.18 534

Pipestone L 1980s -0.73 0.26 515

Sipiwesk L 1980s 0.01 0.25 503

Walker L 1980s -0.05 0.26 519

Walleye Figure 5.3.3A-16 East Cross L 1980s -1.15 0.25 457

West Cross L 1980s -0.08 0.28 462

2000s 0.61 0.34 490

2010s -0.40 0.26 517

Pipestone L 1980s -1.08 0.20 465

Sipiwesk L 1980s -0.42 0.28 403

2010s -2.83 0.09 883

Walker L 1980s -0.35 0.14 565

2010s -0.69 0.21 525

Setting L 2000s -0.56 0.23 461

2010s -0.72 0.27 436

Figure 5.3.3A-17 East Cross L 1980–1989 -1.15 0.25 457

West Cross L 1980–1989 -0.08 0.28 462

Pipestone L 1980–1989 -1.08 0.20 465

Sipiwesk L 1980–1989 -0.42 0.28 403

Walker L 1980–1989 -0.35 0.14 565

West Cross L 2008–2013 -0.37 0.26 516

Sipiwesk L 2008–2013 -2.83 0.09 883





Walleye Figure 5.3.3A-17 Upper Nelson R 2008–2013 -0.72 0.22 571

Walker L 2008–2013 -0.69 0.21 525

Setting L 2008–2013 -0.60 0.26 440



Figure 5.3.3A-1: Box plots of total catch-per-unit-effort (CPUE) in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies.

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

140

160

180

200

X1

Upper Nelson R

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

140

160

180

200

X1

Sipiwesk L

1980s 1990s2000s 2010s0

20

40

60

80

100

120

140

160

180

200

X1

Pipestone L

1980s 1990s 2000s2010s0

20

40

60

80

100

120

140

160

180

200

X1

West Cross L

1980s 1990s 2000s 2010s20

40

60

80

100

120

140

160

180

200

Tota

l CP

UE

(fis

h/10

0 m

/24

h)

East Cross L

1980s 1990s 2000s 2010s0

20

40

60

80

100

120

140

160

180

200

Tota

l CP

UE

(fis

h/10

0 m

/24

h)

Setting L

1980s 1990s 2000s2010s0

20

40

60

80

100

120

140

160

180

200

Toal

CP

UE

(fis

h/10

0 m

/24

h)

Walker L



Note: Gillnet gangs (3 to 5.25 inch mesh) - the values for 1965/66 and 1973 are from Table 3.2 in Ayles et al. 1974, but because these values were for 50-yard panels, the values were adjusted to 25 yard by dividing by two. The catches for the east and west basin from 1980–2007 were combined. It was assumed that the catch in 5.5 inch panels used lieu of 5.25 inch panels in west Cross Lake from 2005–2007 was equivalent to a 5.25 inch panel. Since 5.25 inch panels were not used in Sipiwesk Lake after the 1973 study, the catch was adjusted by doubling the catch in the 5 inch panel.

Figure 5.3.3A-2: Catch of Lake Whitefish, Walleye, and remaining species in overnight sets of five panel experimental gillnet gangs (3 to 5.25 inch mesh) set in Cross Lake (top) and Sipiwesk Lake (bottom).

0102030405060708090

100O

vern

ight

Cat

ch p

er S

et

Year

Cross Lake LKWH

WALL

Other

0

5

10

15

20

25

30

35

40

45

1966 1973 1985 1986 1987 1988 1989 2011

Ove

rnig

ht C

atch

per

Set

Year

Sipiwesk Lake LKWH

WALL

Other



Figure 5.3.3A-3: Relative abundance (%) of fish species in standard gang index gill nets set in five waterbodies downstream of the Jenpeg GS and two off-system waterbody (Walker Lake, Setting Lake) over four decades.

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Upper Nelson R

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Sipiwesk Lake

1980s

1990s

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Pipestone L

1980s

1990s

2000s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

W Cross Lake

1980s

1990s

2000s

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

East Cross L

1980s

1990s

2000s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Setting L

2000s

2010s

0% 20% 40% 60%

BGBFBURBCARPCISC


LKWHLNSC


Mean RA (%)

Walker L

1980s

2010s



Figure 5.3.3A-4: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in three waterbodies downstream of the Jenpeg GS and two off-system lakes (Walker Lake, Setting Lake) as part of CAMP (2008–2013).

0% 25% 50% 75%

BURB

CISC

EMSH

FRDR

GOLD

LKST

LKWH

LNSC

MOON

NRPK

RNSM

SAUG

SHRD

TRPR

WALL

WHSC

YLPR

Mean Relative Abundance (%)

2008-2013

Setting L

Walker L

Upper Nelson R

Sipiwesk L

W Cross L



Figure 5.3.3A-5: Box plot of Hill’s effective species richness in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies.

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

Upper Nelson R

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

Sipiwesk L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

Pipestone L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

X1

West Cross L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

Hill

s In

dex

East Cross L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

Hill

s In

dex

Setting L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

Hill

s In

dex

Walker L



Source: 1959–1989 data from McKerness (1997) in marketed weights (kg); 1990–2014 data from FFMC (unpubl.) in round weight equivalents (kg). Notes: Some production is suspected between 1983 and 1988 (Usher and Weinstein 1991).

Figure 5.3.3A-6: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Cross Lake (east basin), 1959–2014.

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

1959

1964

1969

1974

1979

1984

1989

1994

1999

2004

2009

2014

Com

mer

cial

Pro

duct

ion

(kg)

Year




Sources: 1957–1982 data from McKerness (1997) in marketed weights (kg); 1983–1994 – no record of production available; 1995 data from MCWS (unpubl.); 1996–2014 data from FFMC (unpubl.) in round weight equivalents (kg).

Figure 5.3.3A-7: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Pipestone Lake, 1957–2014.

0

5,000

10,000

15,000

20,000

25,000

1957

1962

1967

1972

1977

1982

1987

1992

1997

2002

2007

2012

Com

mer

cial

Pro

duct

ion

(kg)

Year



DECEMBER 2015 5.3.3A-10

Sources: 1942–1993 data from McKerness (1997) in marketed weights (kg); 1996–2014 data from FFMC (unpubl.) in round weight equivalents (kg).

Figure 5.3.3A-8: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Walker Lake, 1942–2014.

0

20,000

40,000

60,000

80,000

100,000

120,000

1942

1947

1952

1957

1962

1967

1972

1977

1982

1987

1992

1997

2002

2007

2012

Com

mer

cial

Pro

duct

ion

(kg)

Year



DECEMBER 2015 5.3.3A-11

Sources: 1945–1989 data from McKerness (1997) in marketed weights (kg); 1990–2014 data from FFMC (unpubl.) in round weight equivalents (kg). Notes: Production was grouped with Duck and Mud Lake 1959–1961 (Group 67), Duck Lake, Mud Lake and Nelson River 1962–1964 (Group 66), Bruneau, Mud and Duck Lakes 1965–1966 (Group 65), and Bruneau, and Mud Lake 1967–1970 (Group 64). In 1993 the Norway House Commercial Fisherman’s Cooperative Limited purchased the Kiskittogisu Lake quota and it has been fished by Norway House since then.

Figure 5.3.3A-9: Production (kg) of Lake Whitefish (green), Walleye (red) and Northern Pike (blue) from Sipiwesk Lake, 1945–2014.

0

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

450,000

500,000

1945

1950

1955

1960

1965

1970

1975

1980

1985

1990

1995

2000

2005

2010

Com

mer

cial

Pro

duct

ion

(kg

)

Year



DECEMBER 2015 5.3.3A-12

Figure 5.3.3A-10: Box plot of catch-per-unit-effort (CPUE) of Lake Whitefish in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four periods and (bottom) in two off-system waterbodies. Note that the y-axis scale is different for the east and west basins of Cross Lake than for other waterbodies.

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

X1

West Cross L

1980s 1990s 2000s 2010s0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

East Cross L

1980s 1990s 2000s 2010s0

1

2

3

4

5

X1

Upper Nelson R

1980s 1990s 2000s 2010s0

1

2

3

4

5

X1

Sipiwesk L

1980s 1990s 2000s 2010s0

1

2

3

4

5

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

Pipestone L

1980s 1990s 2000s 2010s0

1

2

3

4

5

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

Setting L

1980s 1990s 2000s 2010s0

1

2

3

4

5

LKW

H C

PU

E (f

ish/

100

m/2

4 h)

Walker L


DECEMBER 2015 5.3.3A-13

Figure 5.3.3A-11: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets sets (top) in four waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies.

1980s 1990s 2000s2010s0.00

0.50

1.00

1.50

2.00

2.50

X1

Sipiwesk L

1980s 1990s 2000s2010s0.00

0.50

1.00

1.50

2.00

2.50

X1

Pipestone L

1980s1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

X1

West Cross L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50K

FEast Cross L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

KF

Setting L

1980s 1990s 2000s 2010s0.00

0.50

1.00

1.50

2.00

2.50

KF

Walker L


DECEMBER 2015 5.3.3A-14

Figure 5.3.3A-12: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in waterbodies downstream of the Jenpeg GS (solid lines) and in off-system waterbodies (dashed lines) as part of MEMP. Insufficient numbers of Lake Whitefish were captured in on-system waterbodies as part of CAMP for growth analysis. Growth parameters for the curves are summarized in Table 5.3.3A-1.

0

100

200

300

400

500

600

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

1980-1989

East Cross LakeWest Cross LakePipestone LakeSipiwesk LakeWalker Lake


DECEMBER 2015 5.3.3A-15

Figure 5.3.3A-13: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in five waterbodies downstream of the Jenpeg GS over four decades (insufficient numbers of Lake Whitefish were captured in 2010s for growth analysis), and one off-system waterbody (Walker Lake). Growth parameters for the curves are summarized in Table 5.3.3A-1.

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

Sipiwesk Lake

1980s

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

Walker Lake

1980s

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

East Cross Lake

1980s 1990s 2000s

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

West Cross Lake

1980s 1990s 2000s

0

100

200

300

400

500

600

700

0 5 10 15 20 25 30

Fork

Len

gth

(mm

)

Age

Pipestone Lake

1980s


DECEMBER 2015 5.3.3A-16

Figure 5.3.3A-14: Relative year class strength of Lake Whitefish captured in standard gang index gill nets from1980–1989 in three waterbodies downstream of the Jenpeg GS, east basin of Cross Lake (1974–1985 cohorts), west basin of Cross Lake (1970–1978, 1980–1986 cohorts), and Sipiwesk Lake (1977–1985 cohorts).

0

50

100

150

200

250

300

Yea

r C

lass

Ind

ex

Year Class

E Cross W Cross Sipiwesk


DECEMBER 2015 5.3.3A-17

Figure 5.3.3A-15: Box plot of catch-per-unit-effort (CPUE) of Walleye in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in a two off-system lakes.

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

X1

Upper Nelson R

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

X1

Sipiwesk L

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

CP

UE

(fis

h/10

0 m

/24

h)

Pipestone L

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

X1

W Cross L

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

WA

LL C

PU

E (f

ish/

100

m/2

4 h)

East Cross L

1980s 1990s 2000s2010s0

10

20

30

40

50

60

WA

LL C

PU

E (f

ish/

100

m/2

4 h)

Setting L

1980s 1990s 2000s 2010s0

10

20

30

40

50

60

WA

LL C

PU

E (f

ish/

100

m/2

4 h)

Walker L


DECEMBER 2015 5.3.3A-18

Figure 5.3.3A-16: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets sets (top) in five waterbodies downstream of the Jenpeg GS over four decades and (bottom) in two off-system waterbodies.

1980s 1990s 2000s 2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

Upper Nelson R

1980s 1990s 2000s 2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

Sipiwesk L

1980s 1990s2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

Pipestone L

1980s 1990s2000s 2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

X1

West Cross L

1980s 1990s 2000s 2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

KF

East Cross L

1980s 1990s2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

KF

Setting L

1980s 1990s 2000s2010s0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

KF

Walker L


DECEMBER 2015 5.3.3A-19

Figure 5.3.3A-17: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set four waterbodies downstream of the Jenpeg GS over four decades and in two off-system lakes (Walker Lake and Setting Lake). Growth parameters for the curves are summarized in Table 5.3.3A-1.

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

Sipiwesk Lake

1980s 2010s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

East Cross Lake

1980s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

Walker Lake

1980s 2010s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

Setting Lake

2000s 2010s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

West Cross Lake

1980s 2000s 2010s

0100200300400500600700800900

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

Pipestone Lake

1980s


DECEMBER 2015 5.3.3A-20

Figure 5.3.3A-18: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in waterbodies downstream of the Jenpeg GS (solid lines) and in off-system waterbodies (dashed lines) as part of MEMP (top) and CAMP (bottom). Growth parameters for the curves are summarized in Table 5.3.3A-1.

0

100

200

300

400

500

600

700

800

900

1000

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

1980-1989

East Cross LakeWest Cross LakePipestone LakeSipiwesk LakeWalker Lake

0

100

200

300

400

500

600

700

800

0 5 10 15 20 25

Fork

Len

gth

(mm

)

Age

2008-2013

West Cross LakeSipiwesk LakeUpper Nelson RiverWalker LakeSetting Lake


DECEMBER 2015 5.3.3A-21

Figure 5.3.3A-19: Relative year class strength of Walleye captured in standard gang index gill nets in the 1980s (upper panel) from the east basin of Cross Lake (1970–1982 cohorts), the west basin of Cross Lake (1970–1973, 1975–1983 cohorts), Pipestone Lake (1969–1975 cohorts), and Sipiwesk Lake (1973–1983 cohorts), and in the 2000s and 2010s (lower panel) from the west basin of Cross Lake (2001–2008 cohorts) and an off-system waterbody (Setting Lake, 2001–2008 cohorts).

0

50

100

150

200

250

Yea

r C

lass

Ind

ex

Year Class

E Cross W Cross Pipestone Sipiwesk

0

50

100

150

200

250

2001 2002 2003 2004 2005 2006 2007 2008

Yea

r C

lass

Ind

ex

Year Class

W Cross Setting

Index Gillnetting Sites Cross, Pipestone and Walker Lakes



1.0

24-AUG-15 25-AUG-15

374373

373

PimicikamakCross Lake (NAC)

Jenpeg G.S.

Duck Lake

Cross Lake(West Basin)

Ostir Lake

Cross Lake(Middle Basin)

Cross Lake(East Basin)

Walker Lake

Nelson River

Nelson River

Walker

Sipiwesk Lake

River

Pipestone Lake

Cross Lake Weir

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:263

,000



0 2.5 5 Miles

0 3 6 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

Pop

ltns\

PH

AS

E_2

\Mxd

\Are

a1\2

0150

825_

RC

EA

_Pha

seII_

AE

_FIS

H_E

E_I

ndex

Gill

netti

ngS

itesC

ross

Pip

esto

neA

ndW

alke

rLak

es_c

p.m

xd

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Fish Sampling Sites

Hudson Bay

Thompson

Churchill

Coordinated Aquatic Monitoring Program (CAMP)

Manitoba Ecological Monitoring Program (MEMP)

Weir Post-Project Monitoring

Generating Station (Existing)

Highway

First Nation Reserve

Legend


Map 5.3.3A-1

Index Gillnetting Sites Sipiwesk Lake and Upper Nelson

River



1.0

24-AUG-15 30-NOV-15

391

391

6

Thicket Portage (NAC)

L

DuckLake

Nile Odei River

DafoeLake

Landing Lake

River

SipiweskLake

Nelso

n

Kelsey G.S.

Wuskwatim G.S.

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:635

,000



0 6 12 Miles

0 7 14 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

Pop

ltns\

PH

AS

E_2

\Mxd

\Are

a1\2

0151

130_

RC

EA

_Pha

seII_

AE

_FIS

H_E

E_I

ndex

Gill

netti

ngS

itesS

ipiw

eskL

akeA

ndU

pper

Nel

sonR

iver

_cp.

mxd

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Fish Sampling Sites

Hudson Bay

Thompson

Churchill


Manitoba Ecological Monitoring Program (MEMP)Generating Station (Existing)

Highway


Legend

L

River

DuckLake

Nelso

n

BruneauLake

SipiweskLake

River

Nelso

n

Goose Hunting Lake

Kelsey G.S.

0 2.5 5 Kilometres

0 2 4 Miles

0 4 8 Kilometres

0 3 6 Miles

NOTE: Northern Affairs Community (NAC)

Map 5.3.3A-2

Neuston Tows where Larval Lake Whitefish were Captured

in the Spring of 1995



1.0

29-OCT-15 01-DEC-15

PimicikamakCross Lake (NAC)

Jenpeg G.S.

374

373

Cross Lake

Cross Lake

Nelson River

C R O S S L A K E1 9

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:80,

000



0 0.75 1.5 Miles

0 0.9 1.8 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

Pop

ltns\

PH

AS

E_2

\Mxd

\Are

a1\2

0151

201_

RC

EA

_Pha

seII_

AE

_FIS

H_E

E_N

eust

onTo

wsW

here

Larv

alLa

keW

hite

fishW

ereC

aptu

redi

nThe

Spr

ingO

f199

5_cp

.mxd

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Hudson Bay

Thompson

Churchill


Highway

First Nation ReserveLegend


NeustonTow

Map 5.3.3A-3



KELSEY GENERATING STATION TO KETTLE GENERATING STATION

INCLUDING THE BURNTWOOD RIVER DOWNSTREAM OF FIRST RAPIDS





Figures Figure 5.3.4A-1: Box plot of total overnight catch per set in standard gang index gill nets set

in Split Lake over five periods. ......................................................................... 5.3.4A-2 Figure 5.3.4A-2: Box plot of total catch-per-unit-effort in standard gang index gill nets set in

Area 2, upstream of Kettle GS. ........................................................................ 5.3.4A-3 Figure 5.3.4A-3: Scatter plot of total catch-per-unit-effort in standard gang index gill nets set

in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year). .......................................................................... 5.3.4A-4

Figure 5.3.4A-4: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in Split, Stephens, and Assean lakes. ................................. 5.3.4A-5

Figure 5.3.4A-5: Box plot of Hill’s effective species richness in standard gang index gill nets set in Split, Stephens, and Assean lakes. ........................................................ 5.3.4A-6

Figure 5.3.4A-6: Box plot of catch-per-unit-effort of Lake Whitefish in standard gang index gill nets set in Split Lake and Stephens Lake over three periods (MEMP, Keeyask, and CAMP), and in Assean Lake over two periods (Keeyask and CAMP). ............................................................................................................. 5.3.4A-7

Figure 5.3.4A-7: Box plot of overnight catch per set of Lake Whitefish in standard gang index gill nets set in Split Lake over five periods.. ..................................................... 5.3.4A-8

Figure 5.3.4A-8: Scatter plot of Lake Whitefish catch-per-unit-effort in standard gang index gill nets set in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year). ............................................................ 5.3.4A-9

Figure 5.3.4A-9: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets set in Split, Stephens, and Assean lakes. ....... 5.3.4A-10

Figure 5.3.4A-10: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in Split, Stephens, and Assean lakes as part of MEMP (top), Keeyask (middle), and CAMP (bottom) studies. ................................... 5.3.4A-11

Figure 5.3.4A-11: Relative year class strength of Lake Whitefish captured in standard gang index gill nets in Split and Assean lakes. ....................................................... 5.3.4A-12

Figure 5.3.4A-12: Box plot of catch-per-unit-effort of Walleye in standard gang index gill nets set in Split Lake and Stephens Lake over three periods (MEMP, Keeyask, and CAMP), and in Assean Lake over two periods (Keeyask and CAMP). ... 5.3.4A-13

Figure 5.3.4A-13: Box plot of overnight catch per set of Walleye in standard gang index gill nets set in Split Lake over five periods.. ......................................................... 5.3.4A-14

Figure 5.3.4A-14: Scatter plot of Lake Whitefish catch-per-unit-effort in standard gang index gill nets set in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year) based on their proximity to other studies. ........................................................................................................... 5.3.4A-15



Figure 5.3.4A-15: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets set in Split, Stephens, and Assean lakes. ...................... 5.3.4A-16

Figure 5.3.4A-16: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in Split, Stephens, and Assean lakes as part of MEMP (top), Keeyask (middle), and CAMP (bottom) studies. ............................................ 5.3.4A-17

Figure 5.3.4A-17: Relative year class strength of Walleye captured in standard gang index gill nets from Split (upper) and Assean (lower) lakes. ......................................... 5.3.4A-18

Figure 5.3.4A-18: Commercial fish production values for Walleye, Northern Pike, and Lake Whitefish from Split (upper) and Assean (lower) lakes. ................................. 5.3.4A-19

Maps Map 5.3.4A-1: Kelsey Generating Station to Kettle Generating Station ................................ 5.3.4A-20 Map 5.3.4A-2: Index Gillnetting Sites – Split Lake ................................................................. 5.3.4A-21 Map 5.3.4A-3: Split Lake Index Gillnetting Sites – Keeyask, CAMP and MEMP Sites at

Comparable Locations .................................................................................... 5.3.4A-22 Map 5.3.4A-4: Index Gillnetting Sites – Stephens Lake ......................................................... 5.3.4A-23 Map 5.3.4A-5: Index Gillnetting Sites – Assean Lake ............................................................ 5.3.4A-24





Lake Whitefish Figure 5.3.4A-10 Split Lake 1983–1989 -0.66 0.18 502

Stephens Lake 1983–1989 -0.91 0.15 522

Split Lake 1999–2003 -0.01 0.22 486

Stephens Lake 1999–2003 0.84 0.29 511

Assean Lake 1999–2003 -0.50 0.17 571

Split Lake 2009–2013 -0.68 0.20 511

Stephens Lake 2009–2013 1.31 0.38 493

Assean Lake 2009–2013 -1.10 0.18 537

Walleye Figure 5.3.4A-16 Split Lake 1983–1989 -0.69 0.19 450

Stephens Lake 1983–1989 -2.11 0.09 613

Split Lake 1999–2003 -3.95 0.05 892

Stephens Lake 1999–2003 -4.11 0.06 747

Assean Lake 1999–2003 -1.36 0.12 602

Split Lake 2009–2013 0.20 0.42 433

Stephens Lake 2009–2013 -0.53 0.21 527

Assean Lake 2009–2013 -0.48 0.20 465



Figure 5.3.4A-1: Box plot of total overnight catch per set in standard gang index gill nets set in Split Lake over five periods. Nets were standardized to 100 m overnight sets of 3, 3.75, 4.25, 4.75, 5.25 inch mesh sizes. See text for further information of net standardization.



Figure 5.3.4A-2: Box plot of total catch-per-unit-effort in standard gang index gill nets set in Area 2, upstream of Kettle GS.



Figure 5.3.4A-3: Scatter plot of total catch-per-unit-effort in standard gang index gill nets set in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year).



Figure 5.3.4A-4: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in Split, Stephens, and Assean lakes.



Figure 5.3.4A-5: Box plot of Hill’s effective species richness in standard gang index gill nets set in Split, Stephens, and Assean lakes.



Figure 5.3.4A-6: Box plot of catch-per-unit-effort of Lake Whitefish in standard gang index gill nets set in Split Lake and Stephens Lake over three periods (MEMP, Keeyask, and CAMP), and in Assean Lake over two periods (Keeyask and CAMP).



Figure 5.3.4A-7: Box plot of overnight catch per set of Lake Whitefish in standard gang index gill nets set in Split Lake over five periods. Nets were standardized to 100 m overnight sets of 3, 3.75, 4.25, 4.75, 5.25 inch mesh sizes. See text for further information of net standardization.



Figure 5.3.4A-8: Scatter plot of Lake Whitefish catch-per-unit-effort in standard gang index gill nets set in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year).


DECEMBER 2015 5.3.4A-10

Figure 5.3.4A-9: Box plot of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets set in Split, Stephens, and Assean lakes.


DECEMBER 2015 5.3.4A-11

Figure 5.3.4A-10: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in Split, Stephens, and Assean lakes as part of MEMP (top), Keeyask (middle), and CAMP (bottom) studies. Growth parameters for the curves are summarized in Table 5.3.4A-1.


DECEMBER 2015 5.3.4A-12

Figure 5.3.4A-11: Relative year class strength of Lake Whitefish captured in standard gang index gill nets in Split and Assean lakes.


DECEMBER 2015 5.3.4A-13

Figure 5.3.4A-12: Box plot of catch-per-unit-effort of Walleye in standard gang index gill nets set in Split Lake and Stephens Lake over three periods (MEMP, Keeyask, and CAMP), and in Assean Lake over two periods (Keeyask and CAMP).


DECEMBER 2015 5.3.4A-14

Figure 5.3.4A-13: Box plot of overnight catch per set of Walleye in standard gang index gill nets set in Split Lake over five periods. Nets were standardized to 100 m overnight sets of 3, 3.75, 4.25, 4.75, 5.25 inch mesh sizes. See text for further information of net standardization.


DECEMBER 2015 5.3.4A-15

Figure 5.3.4A-14: Scatter plot of Lake Whitefish catch-per-unit-effort in standard gang index gill nets set in Split Lake comparing the original number of MEMP sites to a reduced number of sites (12 per year) based on their proximity to other studies.


DECEMBER 2015 5.3.4A-16

Figure 5.3.4A-15: Box plot of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets set in Split, Stephens, and Assean lakes.


DECEMBER 2015 5.3.4A-17

Figure 5.3.4A-16: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in Split, Stephens, and Assean lakes as part of MEMP (top), Keeyask (middle), and CAMP (bottom) studies. Growth parameters for the curves are summarized in Table 5.3.4A-1.


DECEMBER 2015 5.3.4A-18

Figure 5.3.4A-17: Relative year class strength of Walleye captured in standard gang index gill nets from Split (upper) and Assean (lower) lakes.


DECEMBER 2015 5.3.4A-19

Figure 5.3.4A-18: Commercial fish production values for Walleye, Northern Pike, and Lake Whitefish from Split (upper) and Assean (lower) lakes.

Kelsey Generating Station to Kettle Generating Station

Government of Canada, Province of Manitoba, North/South Consultants andManitoba Hydro.


1.0

18-SEP-15

Legend


Generating Station (Under Construction)

Converter Station (Existing)

Transmission Line (Existing)

Transmission Line (Under Construction)

Highway

Rail

First Nation Reserve05-DEC-15

ClarkLake

MooseNoseLake

ButnauLake

Gull Lake

StephensLake

AtkinsonLake

KettleLake

MissewaitayRiver

Split Lake

Nelson River

Aiken River

WaweyayawLake

AsseanLake

River

Burntwood River

Grass

NelsonRiver

Fox Lake Cree NationA Kwis Ki Mahka Reserve

York Factory First NationYork Landing (Kawechiwasik)

War Lake First NationIlford (NAC)

Tataskweyak Cree NationTataskweyak (Split Lake)

KelseyG.S.

KettleG.S.

KeeyaskG.S.

280

RadissonConverter

StationGillam

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:335

,000



0 3 6 Miles

0 3.5 7 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

Pop

ltns\

PH

AS

E_2

\Mxd

\Are

a2\2

0151

205_

RC

EA

_Pha

seII_

AE

_FIS

H_E

E_K

else

yGS

toK

ettle

GS

_cp.

mxd

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Hudson Bay

Thompson

Churchill

Map 5.3.4A-1

Index Gillnetting Sites Split Lake



1.0

24-AUG-15 30-NOV-15

Tataskweyak Cree Nation Tataskweyak (Split Lake)


Split Lake

Nelson River

Clark Lake

Grass River

Assean Lake

Aiken RiverRipple River

Burntwood River

Kelsey G.S.

280

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:150

,000



0 1 2 Miles

0 1.5 3 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

Pop

ltns\

PH

AS

E_2

\Mxd

\Are

a2\2

0150

917_

RC

EA

_Pha

seII_

AE

_FIS

H_E

E_I

ndex

Gill

netti

ngS

itesS

plitL

ake_

cp.m

xd

DATA SOURCE:

DATE CREATED:

CREATED BY:

VERSION NO:

REVISION DATE:

QA/QC:

COORDINATE SYSTEM:

Fish Sampling Sites

Hudson Bay

Thompson

Churchill



Keeyask Environmental Studies

Fisheries Surveys (1966 and 1973)


Highway


Legend

Map 5.3.4A-2

Split Lake Index Gillnetting Sites Keeyask,CAMP and MEMP Sites

at Comparable Locations



1.0

24-AUG-15 05-DEC-15



Split Lake

Nelson River

Clark Lake

Grass River

Assean Lake

Aiken RiverRipple River

Burntwood River

Kelsey G.S.

280

Cre

ated

By:

cpa

rker

- B

Siz

e La

ndsc

ape

BTB

- M

AR

201

5

Sca

le: 1

:150

,000



0 1 2 Miles

0 1.5 3 Kilometres

File

Loc

atio

n: J

:\MY

P\M

H_R

CE

A\F

ish_

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Map 5.3.4A-5



KETTLE GENERATING STATION TO THE NELSON RIVER ESTUARY




Tables Table 5.3.5A-1: Parameters of the von Bertalanffy growth curves. ........................................... 5.3.5A-1 Table 5.3.5A-2: Estimates of total population size of juvenile and young-of-the-year Brook

Trout in small spawning and nursery tributaries downstream of the Limestone GS. .................................................................................................. 5.3.5A-2

Table 5.3.5A-3: Annual Brook Trout catch, by direction of movement, in two-direction fish fences set in Nine Mile and Twelve Mile creeks, and in a conduit weir set in the Limestone River during fall, 1989–2006. .................................................... 5.3.5A-3

Table 5.3.5A-4: Comparison of Cisco catches from two-direction weirs, 1990–1992, 1996 and 1998–1999 and detections of PIT-tagged Cisco, 2009, in the Limestone and Weir rivers. ............................................................................... 5.3.5A-4

Figures Figure 5.3.5A-1: Box plot of total catch-per-unit-effort in standard gang index gill nets set in

Area 2 downstream of Kettle GS. Left panel includes 1.5 inch mesh data in CPUE calculation. ............................................................................................. 5.3.5A-5

Figure 5.3.5A-2: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in the Long Spruce forebay, Limestone forebay, the lower Nelson River below the Limestone GS, and the Hayes River. ......................... 5.3.5A-6

Figure 5.3.5A-3: Scattergram of Hill’s effective species richness in standard gang index gill nets set in Area 2 downstream of Kettle GS. ................................................... 5.3.5A-7

Figure 5.3.5A-4: Box plot of catch-per-unit-effort of Lake Whitefish in standard gang index gill nets set in Area 2 downstream of Kettle GS. .............................................. 5.3.5A-8

Figure 5.3.5A-5: Scattergram of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets set in Area 2 downstream of Kettle GS. ............ 5.3.5A-9

Figure 5.3.5A-6: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in the lower Nelson River downstream of Kettle GS.. ....... 5.3.5A-10

Figure 5.3.5A-7: Relative year class strength of Lake Whitefish captured in standard gang index gill nets set in the lower Nelson River mainstem downstream of the Limestone GS. ................................................................................................ 5.3.5A-11

Figure 5.3.5A-8: Box plot of catch-per-unit-effort of Walleye in standard gang index gill nets set in Area 2 downstream of Kettle GS. ......................................................... 5.3.5A-12

Figure 5.3.5A-9: Scattergram of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets set in Area 2 downstream of Kettle GS. .......... 5.3.5A-13

Figure 5.3.5A-10: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in the lower Nelson River downstream of Kettle GS. .................. 5.3.5A-14

Figure 5.3.5A-11: Relative year class strength of Walleye captured in standard gang index gill nets from the lower Nelson River mainstem. .................................................. 5.3.5A-15



Maps Map 5.3.5A-1: Kettle Generating Station to Nelson River Estuary ........................................ 5.3.5A-16 Map 5.3.5A-2: Index Gillnetting Sites – Long Spruce Reservoir ............................................ 5.3.5A-17 Map 5.3.5A-3: Index Gillnetting Sites – Limestone Reservoir................................................ 5.3.5A-18 Map 5.3.5A-4: Index Gillnetting Sites Lower Nelson River – Downstream of the Limestone

Generating Station .......................................................................................... 5.3.5A-19 Map 5.3.5A-5: Index Gillnetting Sites – Hayes River ............................................................. 5.3.5A-20 Map 5.3.5A-6: Known Brook Trout Spawning and Nursery Tributaries – Lower Nelson and

Hayes Rivers .................................................................................................. 5.3.5A-21 Map 5.3.5A-7: Known Brook Trout Spawning Sites – Lower Nelson River ........................... 5.3.5A-22




Species Figure Waterbody Period to k L∞

Lake Whitefish Figure 5.3.5A-6 Lower Nelson 2003–2004 0.61 0.25 450

Lower Nelson 2008–2013 -2.08 0.18 471

Walleye Figure 5.3.5A-10 Long Spruce 2003 -0.81 0.14 618

Limestone 2003 -0.31 0.17 570

Lower Nelson 2003–2004 1.72 0.56 463

Lower Nelson 2008–2013 -0.62 0.32 491

Hayes River 2008–2013 -3.11 0.11 594



Table 5.3.5A-2: Estimates of total population size of juvenile and young-of-the-year Brook Trout in small spawning and nursery tributaries downstream of the Limestone GS.

Tributary1 1989 1990 1991 1992 1993 1994 1997 1999 2002 2004 2011 2013 2014

Beaver Creek 7 23 90 74 0 29 13 85 26 38 66 - -

CN Creek 150 138 423 441 - 498 180 69 176 - 168 - -

Creek 15 - 0 12 0 - - - - 0 57 - - 24

Creek 18 - - - - - - - - - 10 - 0 2

Goose Creek 45 41 12 46 - - - - - 0 253 - -

Moondance Creek 962 334 288 246 29 858 18 154 543 684 678 - -

Raindance Creek2 - - - - - - - - - 13 - - -

Sundance Creek - - - - - - - - 3 99 1265 - -

Swift Creek 20 0 21 0 - - - - 0 0 23 - -

Tiny Creek - 30 75 8 - - 30 8 0 23 - - -

Sources: Swanson et al. 1988, 1990, 1991; Kroeker 1991b, 1992, 1993; Schneider-Vieira 1994; MacDonell and Bretecher 1995; Bretecher and MacDonell 1998, 2000a; Johnson et al. 2005; Kroeker and MacDonell 2006; Lavergne 2012a, 2014b, 2015. Notes: 1. Estimates are based on extrapolating electrofishing catches within specific reaches to the total length of suitable habitat within the creek. 2. Referred to as “Unnamed Tributary” in 2004 study.



Table 5.3.5A-3: Annual Brook Trout catch, by direction of movement, in two-direction fish fences set in Nine Mile and Twelve Mile creeks, and in a conduit weir set in the Limestone River during fall, 1989–2006.

Tributary 1989 1990 1991 1992 1994 1995 1997 1998 1999 2002 2003 2004 2006

Nine Mile Creek

Upstream 18 8 10 - - 19 - - 8 - - - 6

Downstream 42 42 17 - - 40 - - 98 - - - 38

Totals 60 50 27 - - 59 - - 106 - - - 44

Twelve Mile Creek

Upstream 4 1 5 - - 15 - - 1 - - - 71

Downstream 6 3 6 - - 10 - - 0 - - - 2

Totals 10 4 11 - - 25 - - 1 - - - 9

Limestone River

Upstream - 51 42 45 - - - 33 - - 6 19 -

Downstream - 4 1 4 - - - 1 - - 1 9 -

Totals - 55 43 49 - - - 34 - - 7 28 - Sources: Swanson et al. 1991; MacDonell 1991b; MacDonell et al. 1992; Bernhardt and MacDonell 1992; MacDonell and McRae 1994; Horne and MacDonell 1996; Bretecher and MacDonell 1999, 2000a; MacDonald and MacDonell 2004; Kroeker and MacDonell 2006; Lavergne et al. 2008. Notes: 1. Considerably more Brook Trout were angled or observed in Twelve Mile Creek upstream of the fish fence location.



Table 5.3.5A-4: Comparison of Cisco catches from two-direction weirs, 1990–1992, 1996 and 1998–1999 and detections of PIT-tagged Cisco, 2009, in the Limestone and Weir rivers. Dates of monitoring, number of fish moving upstream (up) and downstream (down) (if available) and total number of fish enumerated or estimated are presented.

Year Limestone River Weir River

Dates Up Down Total Method Comments Dates Up Down Total Method Comments

1990 31 Jul - 15 Oct 15,709 266 15,975 Weir - - - - - - -

1991 10 Jul - 3 Oct 11,051 143 11,194 Weir - - - - - - -

1992 29 Aug - 25 Sep 6,084 146 6,230 Weir - 22-Aug - 28 Sep 764 39 803 Weir -

1996 - - - - - - 29 Aug - 10 Oct 218 282 500 Weir -

1998 26 Aug - 24 Oct 3,811 827 4,638 Weir - - - - - - -

1999 - - - - - - 29 Aug - 10 Sep 189 36 225 Weir -

2004 2 Sep - 15 Oct 2,757 49 2,806 Weir Sections of weir removed from 9-19 Sep due to high

flow - - - - - -

2009 19 Sep - 10 Oct 365 - - PIT tagging/ antenna

Number based on Peterson estimate 17 Sep - 15 Oct 8,851 - - PIT tagging/

antenna Number based on Peterson estimate

Sources: MacDonell 1991b, MacDonell et al. 1992, MacDonell 1993, MacDonell and MacRae 1994, MacDonell and Kitch 1997a, Bretecher 1999, Bretecher and MacDonell 2000c, MacDonald et al. 2004, Mandzy et al. 2011.



Figure 5.3.5A-1: Box plot of total catch-per-unit-effort in standard gang index gill nets set in Area 2 downstream of Kettle GS. Left panel includes 1.5 inch mesh data in CPUE calculation. Middle and right panels do not include 1.5 inch mesh data.



Figure 5.3.5A-2: Mean relative abundance (%) of fish species captured in standard gang index gill nets set in the Long Spruce forebay, Limestone forebay, the lower Nelson River below the Limestone GS, and the Hayes River. Left panel includes 1.5 inch mesh data in calculations, middle and right panels do not include 1.5 inch mesh data.



Figure 5.3.5A-3: Scattergram of Hill’s effective species richness in standard gang index gill nets set in Area 2 downstream of Kettle GS.



Figure 5.3.5A-4: Box plot of catch-per-unit-effort of Lake Whitefish in standard gang index gill nets set in Area 2 downstream of Kettle GS.



Figure 5.3.5A-5: Scattergram of Fulton’s Condition Factor (KF) for Lake Whitefish captured in standard gang index gill nets set in Area 2 downstream of Kettle GS.


DECEMBER 2015 5.3.5A-10

Figure 5.3.5A-6: von Bertalanffy growth curves of Lake Whitefish captured in standard gang index gill nets set in the lower Nelson River downstream of Kettle GS. Growth parameters for the curves are summarized in Table 5.3.5A-1.


DECEMBER 2015 5.3.5A-11

Figure 5.3.5A-7: Relative year class strength of Lake Whitefish captured in standard gang index gill nets set in the lower Nelson River mainstem downstream of the Limestone GS.


DECEMBER 2015 5.3.5A-12

Figure 5.3.5A-8: Box plot of catch-per-unit-effort of Walleye in standard gang index gill nets set in Area 2 downstream of Kettle GS.


DECEMBER 2015 5.3.5A-13

Figure 5.3.5A-9: Scattergram of Fulton’s Condition Factor (KF) for Walleye captured in standard gang index gill nets set in Area 2 downstream of Kettle GS.


DECEMBER 2015 5.3.5A-14

Figure 5.3.5A-10: von Bertalanffy growth curves of Walleye captured in standard gang index gill nets set in the lower Nelson River downstream of Kettle GS. Growth parameters for the curves are summarized in Table 5.3.5A-1.


DECEMBER 2015 5.3.5A-15

Figure 5.3.5A-11: Relative year class strength of Walleye captured in standard gang index gill nets from the lower Nelson River mainstem.

Kettle Generating Station to Nelson River Estuary



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Downstream of the Limestone Generating Station



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River

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Known Brook Trout Spawning and Nursery Tributaries

Lower Nelson and Hayes Rivers



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Brook Trout Spawning Tribtutary







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First Nation Reserve06-DEC-15



LongSpruce G.S

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Lake

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Creek

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River

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WilsonCreek

MoondanceCreekCreek

Pilot

Limestone

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Horseshoe Creek

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Gravel Pit Creek

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Known Brook TroutSpawning Sites Lower Nelson River



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River

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Mile

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Twelve

Sky Pilot

Sky PilotLake

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River Nelson River

WilsonCreek

Creek

AnglingRiver

HendayConverterStation

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LimestoneG.S.

KettleG.S.

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Map 5.3.5A-7

APPENDIX 5.3.1A: FISH SPECIES NAMES AND ABBREVIATIONS€¦ · REGIONAL CUMULATIVE EFFECTS...

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Transcript of APPENDIX 5.3.1A: FISH SPECIES NAMES AND ABBREVIATIONS€¦ · REGIONAL CUMULATIVE EFFECTS...