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SHHS Biology Field Day

Macroinvertebrate data: 05-21-2014



School: South Santiam Watershed Council

Date and time: May 21, 2014, 10:26 a.m.

Water quality: Good

Number of people sorting/identifying: 13

Water type: riffle

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 70.69%

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

Field notes: Group 3: Morning Found a Sculpin

Sensitivity to pollution
Sensitive
Count
Caddisfly
2
Mayfly
37
Riffle beetle
0
Stonefly
2
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
1
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
7
Blackfly
0
Leech
0
Midge
0
Snail
9
Mosquito larva
0
Tolerant total
2