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Wallowa River Wolfe Ranch

Macroinvertebrate data: 10-24-2017



School: Abernethy Elementary School

Date and time: Oct. 24, 2017, 10:30 a.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type:

Time spent sorting/identifying: 15 minutes

Weather: clear

Percent EPT: 81.82%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
80
Mayfly
6
Riffle beetle
1
Stonefly
13
Water penny
0
Dobsonfly
0
Sensitive total
12
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
1
Blackfly
1
Leech
0
Midge
7
Snail
8
Mosquito larva
0
Tolerant total
4