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REALMS Downstream Study Site 2
Macroinvertebrate data: 11-09-2021
School: Realms (rimrock Expeditionary Alternative Learning Middle School)
Date and time: Nov. 9, 2021, 11 a.m.
Water quality: Good
Number of people sorting/identifying: 4
Water type: riffle
Time spent sorting/identifying: 30 minutes
Weather: Cold!!
Percent EPT: 83.96%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
13 |
Mayfly
|
45 |
Riffle beetle
|
1 |
Stonefly
|
31 |
Water penny
|
0 |
Dobsonfly
|
10 |
| Sensitive total |
15 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
5 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
1 |
Mite
|
0 |
|
Somewhat sensitive total |
4 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
0 |