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Wallowa River Wolfe Ranch

Macroinvertebrate data: 10-21-2014



School: Enterprise High School

Date and time: Oct. 21, 2014, 11:05 a.m.

Water quality: Good

Number of people sorting/identifying: 4

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 82.43%

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

Field notes: 1 predacious beetle was also caught

Sensitivity to pollution
Sensitive
Count
Caddisfly
37
Mayfly
5
Riffle beetle
0
Stonefly
19
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
7
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
4
Snail
2
Mosquito larva
0
Tolerant total
2