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Amazon Creek

Macroinvertebrate data: 01-04-2012



School: South Eugene High School

Date and time: Jan. 4, 2012, 11:51 a.m.

Water quality: Fair

Number of people sorting/identifying: 6

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 9.09%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
0
Mayfly
1
Riffle beetle
0
Stonefly
0
Water penny
0
Dobsonfly
0
Sensitive total
3
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
1
Scud
2
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
3
Blackfly
0
Leech
0
Midge
0
Snail
4
Mosquito larva
0
Tolerant total
2