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Bear Creek Riparian Restoration Project

Macroinvertebrate data: 03-20-2012



School: South Medford High School

Date and time: March 20, 2012, 9:30 a.m.

Water quality: Fair

Number of people sorting/identifying: 2

Water type: riffle

Time spent sorting/identifying: 150 minutes

Weather:

Percent EPT: 47.75%

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
51
Riffle beetle
0
Stonefly
2
Water penny
0
Dobsonfly
0
Sensitive total
6
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
16
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
42
Snail
0
Mosquito larva
0
Tolerant total
1