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South Santiam
Macroinvertebrate data: 09-21-2017
School: Liberty Elementary School (Salem)
Date and time: Sept. 21, 2017, 10:45 a.m.
Water quality: Fair
Number of people sorting/identifying: 9
Water type: pool
Time spent sorting/identifying: 30 minutes
Weather: sunny, cold and wet
Percent EPT: 33.33%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: We saw a mayfly and a stonefly. We also saw a fishfly, a alderfly,and a tiny, little mite. And we saw a snail hanging onto the rocks. But there was very few we saw. we also found a boatman that was also not on the chart.
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly |
0 |
Mayfly |
1 |
Riffle beetle |
0 |
Stonefly |
1 |
Water penny |
0 |
Dobsonfly |
0 |
Sensitive total |
6 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
1 |
Alderfly
|
1 |
Mite
|
1 |
Somewhat sensitive total |
6 |
Tolerant
Count | |
---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
1 |
Mosquito larva
|
0 |
Tolerant total |
1 |