chevron_left Back to Bear Creek

Bear Creek

Macroinvertebrate data: 10-27-2011



School: Enterprise High School

Date and time: Oct. 27, 2011, 9:30 a.m.

Water quality: Fair

Number of people sorting/identifying: 11

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather:

Percent EPT: 93.22%

Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs

Sensitivity to pollution
Sensitive
Count
Caddisfly
15
Mayfly
30
Riffle beetle
0
Stonefly
10
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
4
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
0