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Philomath Scout Lodge

Macroinvertebrate data: 05-08-2019



School: Avery House Nature Center: Nature School Class

Date and time: May 8, 2019, 2 p.m.

Water quality: Poor

Number of people sorting/identifying: 7

Water type: pool

Time spent sorting/identifying: 30 minutes

Weather: sunny

Percent EPT: 48.45%

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

Field notes: turtle nest location

Sensitivity to pollution
Sensitive
Count
Caddisfly
47
Mayfly
0
Riffle beetle
0
Stonefly
0
Water penny
0
Dobsonfly
0
Sensitive total
3
Somewhat Sensitive
Count
Clam/mussel
12
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
7
Scud
0
Fishfly
0
Alderfly
0
Mite
2
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
29
Mosquito larva
0
Tolerant total
1