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Riverside Campground

Macroinvertebrate data: 10-07-2010



School: Cascade Academy of Central Oregon

Date and time: Oct. 7, 2010, 10:51 a.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 35 minutes

Weather:

Percent EPT: 82.40%

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

Field notes: There were alot of stoneflies.

Sensitivity to pollution
Sensitive
Count
Caddisfly
20
Mayfly
100
Riffle beetle
30
Stonefly
100
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
0
Mite
0
Somewhat sensitive total
0
Tolerant
Count
Aquatic worm
12
Blackfly
0
Leech
0
Midge
5
Snail
0
Mosquito larva
0
Tolerant total
2