Virginia Ecological Services
Northeast Region

Lake Tecumseh Weir Project

Overview - Weir - Boat Portage - Environmental Monitoring - Studies - Construction

Environmental Monitoring - Fish Surveys

Throughout 2011, the U.S. Fish and Wildlife Service and the Virginia Department of Game and Inland Fisheries used an electrofishing boat to sample the fish population of Lake Tecumseh. Three different locations were sampled throughout the lake for a period of 600 seconds, for a total of 1,800 seconds of survey time. A total of 19 fish species were found. Photogrpah of Virginia DGIF biologisy conducting fish survey at Lake Tecumseh


FALL 2008
SPRING 2009
SPRING 2011
FALL 2011
Sept. 2008
May 2009
June 2011
Sept 2011
Species
# collected
%
# collected
%
# collected
%
# collected
%
Striped Mullet 53 34% 46 26%     3 1%
White Perch 42 27% 37 21% 27 12% 102 47%
Spot 19 12%     1 0.5%    
Gizzard Shad 13 8% 4 2% 45 21% 6 3%
Menhaden 10 6%     2 1%    
Croaker 4 3%            
Largemouth Bass 3 2% 17 10% 10 5% 12 6%
Silver Perch 3 2%            
Yellow Perch 2 1% 3 2% 32 15% 44 20%
Pumkinseed 2 1% 12 7% 15 7% 11 5%
Striped Bass 1 1% 2 1%        
Bluegill 1 1% 27 15% 55 25% 14 6%
Common Carp 1 1% 6 3%     1 0%
Longnose Gar 1 1% 6 3% 1 0.5%    
Banded Killifish     1 1%     2 1%
Chain Pickerel     1 1% 2 1% 4 2%
Golden Shiner     1 1%     2 1%
Redear Sunfish     5 3% 8 4% 10 5%
White Catfish     5 3% 3 1%    
Amer. Eel         8 4% 2 1%
Bowfin         2 1%    
Black Crappie         2 1% 1 0%
Channel Catfish         1 0.5%    
Tidewater Silversides         obs   4 2%
Blue Crab         3 1.4%    
Bullhead Catfish         1 0.5%    
Blue-spotted Sunfish             1 0%
River Herring             obs  
Alewife             1 0%
Mosquitofish             obs  
Color Key:
Species First Observed
Most Common Species
Pre-Weir Species
Post-Weir Species

PRE WEIR
POST WEIR
FALL 2008
SPRING 2009
SPRING 2011
FALL 2011
Total Fish:
155
173
218
220
Total Biomass (lbs):
21.8*
**
24.9*
12.3
Total Species:
14
15
18
19
CPUE (fish per min)
5.2
5.4
5.7
7.05
Water Temp. (F)
75.6
N/A
85
70
Total Time (mins)
30
32
40
31.2

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Last updated: December 6, 2012
All images by FWS unless otherwise noted.