Macro-invertebrate Survey

Spring Lake Terrace

Date 21 Apr 07 14 Jul 07 13 Oct 07 19 Jan 08 12 Apr 08 19 Jul 08
Monitor Duane Murphy Duane Murphy Duane Murphy Duane Murphy Duane Murphy Duane Murphy
Nr Participants 6 5   7 1 1
Time Start 10:00 a.m. 9:00 am 0900 9:30 a.m. 9:30 12:30 p.m.
Time End 12:00 p.m. 11:00 am 1100 11:30 a.m. 11:30 2:30 p.m.
Nr Nets 1 2   3 1 1
Riffle Water Depth(in) 2 2   2 3 2
Stream (water) width(ft) 6 4   5 8 7
Channel (bank to bank) width(ft) 10 10 10 10 10 10
Stream Flow Rate low   low low med low
Water Temp 50°F 69.8°F N/A°F 36.6°F 62.5°F 74.7°F
Air temp 58°F 78.7°F   34.3°F 73.2°F 86.7°F
Surface Water Appearance clear cloudy   clear clowdy clear
Algae color Brown green N/A black brown green
Algae percent 45 50 N/A 10 20 30
Comments Bottom 90% 2-4" stone& 80%covered w/silt, one 3' floating matt of yard clippings. ~30-2" and 2-8" fish. Wx: fair. Don't know why water looks cloudy. No rain in past several days. Surprised to find a stonefly. No monitoring due to drought. See reference. Cold. Moved to park about 100 yards downstream. Has table and cover near stream and street. sediment in stream Did not collect 200 -- Will return in August. Saw about 50 fish- one newt in sample
 
Macro-invertebrates
Click on underlined name for picture
Count Count Count Count Count Count
Worms   1   198 18 2
Flat Worms            
Leeches   1     1  
Crayfishes            
Sowbugs            
Scuds            
Stoneflies   1        
Mayflies           2
Dragonflies and Damselflies            
Hellgrammites, Fishflies, and Alderflies            
Common Netspinner Caddisfly 4 64   1 2 27
Most Caddisflies            
Beetles            
Midges 277 136   7 433 20
Black Flies   1     2  
Most True Flies   4   18    
Gilled Snails            
Lunged Snails   3   7 1 27
Clams            
Other       2 2  
Other Description   Two 1" fish, one 2" black salimander- (Jefferson Newt?)   Jefferson Newts? Newts Pics of small mayfly, small fish with dark strip on side/silver belly.
Total Macro-Invertebrate Count 281 211   233 459 78
Ecological condition
Acceptable (7 - 12)
Unacceptable (0-6)
6 4 0 2 6 0