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Riverside Campground

Macroinvertebrate data: 10-05-2010



School: Cascade Academy of Central Oregon

Date and time: Oct. 5, 2010, 11:47 a.m.

Water quality: Fair

Number of people sorting/identifying: 4

Water type: riffle

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 97.81%

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

Field notes: We also caught a small fish in our net.

Sensitivity to pollution
Sensitive
Count
Caddisfly
54
Mayfly
2
Riffle beetle
0
Stonefly
78
Water penny
0
Dobsonfly
0
Sensitive total
9
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
3
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1