Post on 04-Jan-2016
description
NOAA Mainstem PIT Tag Research
NWPCC Tagging Forum-PIT tagsMarch 22, 2012
Bill Muir bill.muir@noaa.govNorthwest Fisheries Science Center
NOAA Fisheries
Outline• Reach survival• Hydropower system survival• Hydropower system travel time• Seasonal effects of transport• PIT tag trawl• Bird predation
Reach Survival Estimates
• Used to assess progress in improving inriver travel time and survival and identify problem areas in the hydropower system
Reach Survival Estimates
• Used to assess progress in improving inriver travel time and survival and identify problem areas in the hydropower system
• Relies mostly on tagging from other studies throughout the basin
Reach Survival Estimates
• Used to assess progress in improving inriver travel time and survival and identify problem areas in the hydropower system
• Relies mostly on tagging from other studies throughout the basin
• Under represented species tagged at Lower Granite (wild Chinook, wild and hatchery steelhead)
Reach Survival Estimates
• Used to assess progress in improving inriver travel time and survival and identify problem areas in the hydrosystem
• Relies mostly on tagging from other studies throughout the basin
• Under represented species tagged at Lower Granite (wild Chinook, wild and hatchery steelhead)
• Estimates are from tailrace to tailrace (1 dam and reservoir)
91.2
91.4
BON TDA
ICE
91.996.689.376.6 (87.5) 94.384.5
95.193.694.289.681.2 (89.8) 86.5MCNJDA LMO LGRLGO SRTBON
JDAMCN
LMO LGOLGR
SRT
YearlingChinook salmon reach survival
2011
Average
Standard errors not shown
92.8
83.9
BON TDA
ICE
95.594.896.085.8 (92.6) 98.677.2
96.793.091.283.874.5 (86.0) 75.5MCNJDA LMO LGRLGO SRTBON
JDAMCN
LMO LGOLGR
SRT
Steelhead reach survival
2011
Average
Standard errors not shown
1995 1999 2003 2007 2011
0.3
0.4
0.5
0.6
0.7
0.8
0.9
X = 73.0%
74.6%
1995 1999 2003 2007 2011
0.3
0.4
0.5
0.6
0.7
0.8
0.9
X = 63.6%
69.3%
Est
imat
ed s
urvi
val
Lower Granite to McNary
SteelheadYearling Chinook
1995 1999 2003 2007 2011
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
X = 69.6%
68.7%
1995 1999 2003 2007 2011
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
X = 63.5%
86.6%
Est
imat
ed s
urvi
val
McNary to BonnevilleFish From Snake River
SteelheadYearling Chinook
1995 1999 2003 2007 20110.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
X = 49.3%
48.3%
1995 1999 2003 2007 20110.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
??
X = 41.8%
59.2%
Est
imat
ed s
urvi
val
Snake River Trap to Bonneville
SteelheadYearling Chinook
Yearling Chinook Median Travel TimeLower Granite to Bonneville (461 km)
0
10
20
30
40
50
12 Apr 2 May 22 May 11 Jun
2007
2001
2004
2011
Date Leaving Lower Granite Dam
Tra
vel
Tim
e (d
ays)
Steelhead Median Travel TimeLower Granite to Bonneville (461 km)
0
10
20
30
40
50
12 Apr 2 May 22 May 11 Jun
2007
2001
2011
2004
2009
Date Leaving Lower Granite Dam
Tra
vel
Tim
e (d
ays)
2010
96 98 00 02 04 06 08 100
10
20
30
40
50
60
70
80
90
100
38.0
96 98 00 02 04 06 08 100
10
20
30
40
50
60
70
80
90
100
37.0
Per
cen
t T
ran
spo
rted
Percent Transported to Below Bonneville
SteelheadYearling Chinook
01
23
45
6
SA
R(%
)
Wild Steelhead 2007Model-Averaged - Descriptive
Tagged above LGR
TransportedMigrant
April 1 May 1 May 15 Jun 1
Date at LGR
01
23
45
6
SA
R(%
)
Tagged at LGR
TransportedMigrant
April 1 May 1 May 15 Jun 1
Date at LGR
02
46
810
T:M
April 1 April 15 May 1 May 15 Jun 1
Date at LGR
T:M Ratio
Tagged above LGR (90,33)Tagged at LGR (380,45)Smolt Passage Index
01
23
4
SA
R(%
)
Wild Chinook 2006Model-Averaged - Descriptive
Tagged above LGR
TransportedMigrant
April 1 May 1 May 15 Jun 1
Date at LGR
01
23
4
SA
R(%
)
Tagged at LGR
TransportedMigrant
April 1 May 1 May 15 Jun 1
Date at LGR
01
23
45
6
T:M
April 1 April 15 May 1 May 15 Jun 1
Date at LGR
T:M Ratio
Tagged above LGR (36,39)Tagged at LGR (121,64)Smolt Passage Index
= S p
p1
p2
s2
R
Lower Granite Dam
Little Goose Dam
Lower Monumental Dam
John Day Dam
Bonneville Dam
PIT tag trawl
p3
p4
p5
s3
s4
s5
s1
Sing
le-R
elea
se D
esig
nRe
leas
e–Re
capt
ure
Mod
el
p6
s6
CJS Survival Model
McNary Dam
Upper Estuary Sample Site Near Jones Beach, rkm 61-83
Columbia Basin PIT Tag ReleasesDetections at Bonneville Dam and Estuary Trawl (Rkm 75)
Det
ecti
on
s (n
)
Rel
ease
d (
n)
Releases Bonneville Detections Estuary Trawl Detections
50,000
100,000
200,000
250,000
0 0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
150,000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2010 (2.6 million released)Bon = 208k Trawl = 31k
Trawl sample = 902 hrs
2011 (2.5 million released)Bon = 60k
Trawl = 14k Trawl sample = 669 hrs
Flat-plate detector scanning PIT tags on the East Sand Island Caspian tern colony.
Hand scanning for PIT tags on Goose Island in the Potholes Reservoir.
Questions