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Riverside Campground
Macroinvertebrate data: 10-07-2010
School: Cascade Academy of Central Oregon
Date and time: Oct. 7, 2010, 10:48 a.m.
Water quality: Good
Number of people sorting/identifying: 3
Water type: riffle
Time spent sorting/identifying: 55 minutes
Weather:
Percent EPT: 44.68%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: Used net to scoop up rocks, larvae, and other submerged items. Found mostly stonefly larvae, couldn't count all of the bugs because of time limits. Kicking is the best technique to loosen rocks, sediment, and keep your feet warm
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
0 |
Mayfly
|
8 |
Riffle beetle
|
0 |
Stonefly
|
13 |
Water penny
|
0 |
Dobsonfly
|
2 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
0 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
20 |
Blackfly
|
0 |
Leech
|
2 |
Midge
|
0 |
Snail
|
2 |
Mosquito larva
|
0 |
|
Tolerant total |
3 |