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SE Belmont

Macroinvertebrate data: 08-18-2010



School: Oregon City Senior High School

Date and time: Aug. 18, 2010, 8:55 a.m.

Water quality: Fair

Number of people sorting/identifying: 1

Water type: riffle

Time spent sorting/identifying: 1 minutes

Weather:

Percent EPT: 68.75%

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

Field notes: field notes

Sensitivity to pollution
Sensitive
Count
Caddisfly
5
Mayfly
7
Riffle beetle
7
Stonefly
10
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
3
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