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Hawthorne Salmon Watch

Macroinvertebrate data: 09-12-2017



School: South Santiam Watershed Council

Date and time: Sept. 12, 2017, 12:20 p.m.

Water quality: Fair

Number of people sorting/identifying: 11

Water type: riffle

Time spent sorting/identifying: 30 minutes

Weather:

Percent EPT: 48.39%

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
15
Stonefly
4
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
1
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
0
Snail
0
Mosquito larva
0
Tolerant total
0