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REALMS Tumalo Creek Study Site

Macroinvertebrate data: 11-06-2017



School: Realms (rimrock Expeditionary Alternative Learning Middle School)

Date and time: Nov. 6, 2017, 11:30 a.m.

Water quality: Fair

Number of people sorting/identifying: 6

Water type: riffle

Time spent sorting/identifying: 40 minutes

Weather: Snowy

Percent EPT: 95.11%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
8
Mayfly
116
Riffle beetle
1
Stonefly
51
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
7
Crayfish
0
Damselfly
0
Dragonfly
1
Scud
0
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