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Tumalo Creek (REALMS Shevlin Park)

Macroinvertebrate data: 11-09-2015



School: Realms (rimrock Expeditionary Alternative Learning Middle School)

Date and time: Nov. 9, 2015, 11:33 a.m.

Water quality: Fair

Number of people sorting/identifying: 5

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather:

Percent EPT: 99.01%

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

Field notes: 3 species of mayfly 4 species of stonefly

Sensitivity to pollution
Sensitive
Count
Caddisfly
10
Mayfly
60
Riffle beetle
0
Stonefly
30
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
0
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