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South Santiam
Macroinvertebrate data: 10-26-2003
School: Abraham Lincoln Elementary
Date and time: Oct. 26, 2003, 10:05 p.m.
Water quality: Good
Number of people sorting/identifying: 40
Water type: riffle
Time spent sorting/identifying: 60 minutes
Weather: rainy
Percent EPT: 59.56%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: it was cool
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly |
20 |
Mayfly |
80 |
Riffle beetle |
0 |
Stonefly |
9 |
Water penny |
10 |
Dobsonfly |
0 |
Sensitive total |
12 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
|
3 |
Crane fly
|
0 |
Crayfish
|
20 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
40 |
Somewhat sensitive total |
6 |
Tolerant
Count | |
---|---|
Aquatic worm
|
0 |
Blackfly
|
1 |
Leech
|
0 |
Midge
|
0 |
Snail
|
0 |
Mosquito larva
|
0 |
Tolerant total |
1 |