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REALMS Bridge Creek Site
Macroinvertebrate data: 11-06-2018
School: Realms (rimrock Expeditionary Alternative Learning Middle School)
Date and time: Nov. 6, 2018, 11 a.m.
Water quality: Good
Number of people sorting/identifying: 2
Water type: riffle
Time spent sorting/identifying: 20 minutes
Weather: Sunny, cold
Percent EPT: 84.38%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
8 |
Mayfly
|
37 |
Riffle beetle
|
18 |
Stonefly
|
63 |
Water penny
|
0 |
Dobsonfly
|
1 |
| Sensitive total |
15 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
1 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
2 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
0 |