chevron_left Back to Willamette River, Mussel bed
Willamette River, Mussel bed
Macroinvertebrate data: 07-23-2014
School: Oregon State University
Date and time: July 23, 2014, noon
Water quality: Fair
Number of people sorting/identifying: 3
Water type: riffle
Time spent sorting/identifying: 30 minutes
Weather:
Percent EPT: 10.34%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: Custom stream type checked: Glide (not riffle or pool)
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
2 |
Mayfly
|
1 |
Riffle beetle
|
0 |
Stonefly
|
0 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
6 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
1 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
1 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
4 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
1 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
23 |
Mosquito larva
|
0 |
|
Tolerant total |
2 |