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Imnaha River
Macroinvertebrate data: 11-12-2013
School: Enterprise High School
Date and time: Nov. 12, 2013, 11 a.m.
Water quality: Good
Number of people sorting/identifying: 4
Water type: pool
Time spent sorting/identifying: 20 minutes
Weather:
Percent EPT: 68.18%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: only had small fish nets
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
13 |
Mayfly
|
1 |
Riffle beetle
|
0 |
Stonefly
|
1 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
2 |
Crayfish
|
0 |
Damselfly
|
1 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
4 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
3 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
1 |
Mosquito larva
|
0 |
|
Tolerant total |
2 |