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Peavy Arboretum
Macroinvertebrate data: 06-11-2015
School: Avery House Nature Center
Date and time: June 11, 2015, 8:27 a.m.
Water quality: Good
Number of people sorting/identifying: 5
Water type: riffle
Time spent sorting/identifying: 25 minutes
Weather:
Percent EPT: 4.44%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
0 |
Mayfly
|
2 |
Riffle beetle
|
11 |
Stonefly
|
0 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
6 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
1 |
Crane fly
|
0 |
Crayfish
|
1 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
2 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
6 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
3 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
25 |
Mosquito larva
|
0 |
|
Tolerant total |
2 |