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South Santiam
Macroinvertebrate data: 09-21-2017
School: Liberty Elementary School (Tillamook)
Date and time: Sept. 21, 2017, 11 a.m.
Water quality: Good
Number of people sorting/identifying: 11
Water type: pool
Time spent sorting/identifying: 30 minutes
Weather: cloudy
Percent EPT: 14.29%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly![]() |
1 |
Mayfly![]() |
1 |
Riffle beetle![]() |
5 |
Stonefly![]() |
1 |
Water penny![]() |
0 |
Dobsonfly![]() |
0 |
Sensitive total |
12 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
![]() |
0 |
Crane fly
![]() |
4 |
Crayfish
![]() |
2 |
Damselfly
![]() |
0 |
Dragonfly
![]() |
1 |
Scud
![]() |
0 |
Fishfly
![]() |
0 |
Alderfly
![]() |
0 |
Mite
![]() |
0 |
Somewhat sensitive total |
6 |
Tolerant
Count | |
---|---|
Aquatic worm
![]() |
1 |
Blackfly
![]() |
0 |
Leech
![]() |
0 |
Midge
![]() |
1 |
Snail
![]() |
4 |
Mosquito larva
![]() |
0 |
Tolerant total |
3 |