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Eagle Fern Park

Macroinvertebrate data: 10-19-2015



School: Oregon State University

Date and time: Oct. 19, 2015, 10:18 a.m.

Water quality: Fair

Number of people sorting/identifying: 9

Water type: pool

Time spent sorting/identifying:

Weather:

Percent EPT: 45.83%

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
11
Riffle beetle
1
Stonefly
0
Water penny
0
Dobsonfly
0
Sensitive total
6
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
11
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
1
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1