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Bald Hill Farm- Mulkey Creek
Macroinvertebrate data: 08-26-2015
School: Oregon State University
Date and time: Aug. 26, 2015, 1:32 p.m.
Water quality: Fair
Number of people sorting/identifying: 4
Water type: pool
Time spent sorting/identifying: 20 minutes
Weather:
Percent EPT: 66.67%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: water striders 2
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
2 |
Mayfly
|
4 |
Riffle beetle
|
0 |
Stonefly
|
2 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
4 |
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 |