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Riverside Campground

Macroinvertebrate data: 10-05-2010



School: Cascade Academy of Central Oregon

Date and time: Oct. 5, 2010, 11:48 a.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 30 minutes

Weather:

Percent EPT: 83.17%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
17
Mayfly
50
Riffle beetle
3
Stonefly
17
Water penny
4
Dobsonfly
0
Sensitive total
15
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
0
Tolerant
Count
Aquatic worm
10
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1