chevron_left Back to Bear Creek

Bear Creek

Macroinvertebrate data: 10-25-2011



School: Enterprise High School

Date and time: Oct. 25, 2011, 9:40 a.m.

Water quality: Fair

Number of people sorting/identifying: 8

Water type: riffle

Time spent sorting/identifying: 10 minutes

Weather:

Percent EPT: 95.24%

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
15
Riffle beetle
0
Stonefly
10
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
1
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1