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Sunset Park
Macroinvertebrate data: 04-17-2019
School: Avery House Nature Center: Nature School Class
Date and time: April 17, 2019, 2 p.m.
Water quality: Good
Number of people sorting/identifying: 7
Water type: pool
Time spent sorting/identifying: 30 minutes
Weather: sunny
Percent EPT: 13.64%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: beaver dams make creek into ponds / tadpole
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly |
10 |
Mayfly |
2 |
Riffle beetle |
0 |
Stonefly |
0 |
Water penny |
0 |
Dobsonfly |
0 |
Sensitive total |
6 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
|
5 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
5 |
Dragonfly
|
6 |
Scud
|
20 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
Somewhat sensitive total |
8 |
Tolerant
Count | |
---|---|
Aquatic worm
|
3 |
Blackfly
|
10 |
Leech
|
3 |
Midge
|
2 |
Snail
|
20 |
Mosquito larva
|
2 |
Tolerant total |
6 |