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Bear Creek Riparian Restoration Project

Macroinvertebrate data: 03-16-2012



School: South Medford High School

Date and time: March 16, 2012, 10:30 a.m.

Water quality: Poor

Number of people sorting/identifying: 2

Water type: riffle

Time spent sorting/identifying: 120 minutes

Weather:

Percent EPT: 100.00%

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

Field notes: Creek water height was twice as high than normal water level and current was slightly less swift than 10mph. Water temperature was 7 degrees farenheit.

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
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
0
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
0