RIVEREDGE NATURE CENTER...Wolf Menominee Manistee Muskegon Black St. Clair Sturgeon Bad. 0.01 ....
42
RIVEREDGE NATURE CENTER
Transcript of RIVEREDGE NATURE CENTER...Wolf Menominee Manistee Muskegon Black St. Clair Sturgeon Bad. 0.01 ....
RIVEREDGE NATURE CENTER
Re-establishing a Breeding Population of Lake Sturgeon in
the Milwaukee River
_
_
_
!
!!
")
")
")
#*!
!
!
#*
!
")
")
")")
#*
")
")
")
")
#*
!
!
!
#*
!#*
!#*
")
#*
!(
!
")
!
#*
")
!
!
!
0 30 60 90 12015Kilometers
4Legend
population status") extirpated!( large! remnant#* unknown/mixed
_ reintroduced
Lake Michigan shoreline
1
23
45
6
78
9a
9b9c
9d
1011
12a
12b13a
13b
13c 14
15
1617
1819
20
21
22
23a23b
24
25
26
27
31a 31b
29
33
A
A
C
G
F
E
E
D
28
30
32
Milwaukee R.
L. Winnebago - Wolf R. System
Lake Michigan
Holey, M. E., E. A. Baker, T. F. Thuemler and R. F. Elliott. 2000. Research and assessment needs to restore lake sturgeon in the Great Lakes: Results of a workshop sponsored by the Great Lakes Fishery Trust.
Peshtigo
Oconto
Fox
Wolf
Menominee
Manistee
Muskegon
Black
St. Clair
Sturgeon
Bad
0.01
Western basinLake Michigan
(Wisconsin)
Eastern basinLake Michigan(Michigan)
Lake Huron
Lake Superior
Neighbor joining tree describing genetic affinities among all sampled lake sturgeon breeding populations in the upper Great Lakes. Populations cluster as a function of lake basin and within Lake Michigan by location within the basin.
McQuown, E., C. C. Krueger, H. L. Kincaid, G. A. E. Gall and B. May. 2003. Genetic comparison of lake sturgeon populations: differentiation based on allelic frequencies at seven microsatellite loci. J. Great Lakes Res. 29(1):3-13.
The Sturgeon Streamside Rearing Facility Arrives
Bamboo Bend
Lake Sturgeon Spawning in the Wolf River – Shiocton, WI
4/14/06
Genetic Sampling
Fertilization
days of operation 181days of operation w ith 1 visit 123days of operation w ith 2 visits 55days of operation w ith 3 visits 3srf visits 242
daily operation worker visits 425volunteer visits 255rnc staff visits 142w dnr staff visits 28
total daily operation worker hrs. 534.3volunteer daily operation hrs. 303.6rnc staff daily operation hrs. 170w dnr staff daily operation hrs. 60.5
mean visit duration (hrs.) 1.26mean # w orkers/srf visit 1.75w ork hrs. / visit 2.21mean volunteer visit duration (hrs.) 1.19mean rnc staff visit duration (hrs.) 1.20mean w dnr staff visit duration (hrs.) 2.16
Daily Operation Basic Statistics
Milwaukee River SRF - 2006
Daily Operation of the Milwaukee River SRF - 2006
0
10
20
30
40
50
60
1 2 3 4 5 6
30 Day Period
Wor
ker V
isits
Volunteers
Riveredge Staff
WDNR Staff
Daily Operation of the Milwaukee River SRF - 2006
0
10
20
30
40
50
60
70
80
90
1 2 3 4 5 6
30 Day Period
Wor
ker V
isits
WDNR Staff
Riveredge Staff
Volunteers
Daily Operation of the Milwaukee River SRF - 2006
0
10
20
30
40
50
60
70
1 2 3 4 5 6
30 Day Period
Wor
ker H
ours
Volunteers
Riveredge Staff
WDNR Staff
Daily Operation of the Milwaukee River SRF - 2006
0
20
40
60
80
100
120
140
1 2 3 4 5 6
30 Day Period
Wor
ker H
ours
WDNR Staff
Riveredge Staff
Volunteers
Average length and weight of Lake Sturgeon at the Milwaukee Streamside Rearing Facility
Day 31 Day 49 Day 66 Day 79 Day 89 Day 103Day 117Day 131Day 156
Leng
th (m
m)
0
50
100
150
200
250
300
Days post hatch Days post hatch - Wild Rose Transfers
Day 79 Day 89 Day 103 Day 117 Day 131 Day 156
Wei
ght (
g)
0
20
40
60
80
Days post hatchDays post hatch - Wild Rose transfers
Average length and weight of Lake Sturgeon at the Milwaukee Streamside Rearing Facility
Water Temperature - Milwaukee R. and Riveredge Cr.
5
10
15
20
25
30
3505
/18/
06 0
0:01
:00.
0
05/2
5/06
00:
01:0
0.0
06/0
1/06
00:
01:0
0.0
06/0
8/06
00:
01:0
0.0
06/1
5/06
00:
01:0
0.0
06/2
2/06
00:
01:0
0.0
06/2
9/06
00:
01:0
0.0
07/0
6/06
00:
01:0
0.0
07/1
3/06
00:
01:0
0.0
07/2
0/06
00:
01:0
0.0
07/2
7/06
00:
01:0
0.0
08/0
3/06
00:
01:0
0.0
08/1
0/06
00:
01:0
0.0
08/1
7/06
00:
01:0
0.0
08/2
4/06
00:
01:0
0.0
08/3
1/06
00:
01:0
0.0
09/0
7/06
00:
01:0
0.0
Date & Time
Wat
er T
empe
ratu
re (*
C)
