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REALMS Tumalo Creek Study Site 1

Macroinvertebrate data: 11-05-2018



School: Realms (rimrock Expeditionary Alternative Learning Middle School)

Date and time: Nov. 5, 2018, 1 p.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather: Sunny, cold

Percent EPT: 89.67%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
16
Mayfly
112
Riffle beetle
13
Stonefly
89
Water penny
0
Dobsonfly
2
Sensitive total
15
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
7
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
3
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
0