chevron_left Back to Oregon 4-H Center
Oregon 4-H Center
Macroinvertebrate data: 08-06-2011
School: Oregon State University
Date and time: Aug. 6, 2011, 11:31 a.m.
Water quality: Excellent
Number of people sorting/identifying: 15
Water type: pool
Time spent sorting/identifying: 30 minutes
Weather:
Percent EPT: 7.14%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: These Macros were collected from the pond between the Dining Hall and office building.
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
0 |
Mayfly
|
1 |
Riffle beetle
|
1 |
Stonefly
|
0 |
Water penny
|
1 |
Dobsonfly
|
1 |
| Sensitive total |
12 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
1 |
Crayfish
|
0 |
Damselfly
|
1 |
Dragonfly
|
1 |
Scud
|
3 |
Fishfly
|
1 |
Alderfly
|
2 |
Mite
|
0 |
|
Somewhat sensitive total |
12 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
1 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
1 |