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Crowley Creek
Macroinvertebrate data: 01-07-2016
School: Taft High School
Date and time: Jan. 7, 2016, 2:48 p.m.
Water quality: Fair
Number of people sorting/identifying: 7
Water type: riffle
Time spent sorting/identifying: 32 minutes
Weather:
Percent EPT: 12.50%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: There was a lot of logs and pools amongst the bank of the water. It was rather brisk, but still the sun was shining so it made it warmer. There were a lot of grasses in the area, though we were told that a big majority of them were not native, but rather invasive.
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
0 |
Mayfly
|
1 |
Riffle beetle
|
0 |
Stonefly
|
2 |
Water penny
|
13 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
4 |
Fishfly
|
3 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
4 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
1 |
Mosquito larva
|
0 |
|
Tolerant total |
1 |