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Mary's river test site
Macroinvertebrate data: 08-25-2015
School: Oregon State University
Date and time: Aug. 25, 2015, 11:40 a.m.
Water quality: Good
Number of people sorting/identifying: 2
Water type: pool
Time spent sorting/identifying: 20 minutes
Weather:
Percent EPT: 8.00%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: Catfish 2 Shiner 3 Sucker 1
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
1 |
Mayfly
|
1 |
Riffle beetle
|
12 |
Stonefly
|
0 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
1 |
Crane fly
|
0 |
Crayfish
|
1 |
Damselfly
|
1 |
Dragonfly
|
2 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
8 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
6 |
Mosquito larva
|
0 |
|
Tolerant total |
1 |