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Wiley Creek State Park

Macroinvertebrate data: 09-15-2015



School: Oregon State University

Date and time: Sept. 15, 2015, 11:30 a.m.

Water quality: Good

Number of people sorting/identifying: 9

Water type: riffle

Time spent sorting/identifying: 10 minutes

Weather:

Percent EPT: 44.74%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
0
Mayfly
5
Riffle beetle
0
Stonefly
12
Water penny
0
Dobsonfly
0
Sensitive total
6
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
2
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
17
Snail
1
Mosquito larva
0
Tolerant total
3