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Tumalo Creek (REALMS Shevlin Park)
Macroinvertebrate data: 10-07-2013
School: Realms (rimrock Expeditionary Alternative Learning Middle School)
Date and time: Oct. 7, 2013, 10:15 a.m.
Water quality: Good
Number of people sorting/identifying: 10
Water type: riffle
Time spent sorting/identifying: 40 minutes
Weather:
Percent EPT: 98.31%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: Bugs collected just downstream from Tumalo Irrigation District's dam and diversion. Water still being diverted by TID at time of collection; minimal spill over dam.
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
3 |
Mayfly
|
100 |
Riffle beetle
|
0 |
Stonefly
|
130 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
2 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
2 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
1 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
1 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
2 |