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Tumalo Creek (REALMS Shevlin Park)

Macroinvertebrate data: 10-08-2013



School: Realms (rimrock Expeditionary Alternative Learning Middle School)

Date and time: Oct. 8, 2013, 10:09 a.m.

Water quality: Fair

Number of people sorting/identifying: 8

Water type: riffle

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 96.83%

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

Field notes: Shevlin Park proper, between footbridge and car bridge.

Sensitivity to pollution
Sensitive
Count
Caddisfly
1
Mayfly
35
Riffle beetle
0
Stonefly
25
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
1
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1