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Hamilton Creek - LHS & Santiam Watershed Council
Macroinvertebrate data: 03-09-2015
School: South Santiam Watershed Council
Date and time: March 9, 2015, 1:47 p.m.
Water quality: Fair
Number of people sorting/identifying: 6
Water type: riffle
Time spent sorting/identifying: 20 minutes
Weather:
Percent EPT: 97.30%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: Group 1: Lyn Leckie, Jaylene Johnson, AJ Wittrig, Tyler Hoerauf, Orasio Lopez, Cale Thompson
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
5 |
Mayfly
|
25 |
Riffle beetle
|
0 |
Stonefly
|
6 |
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
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
0 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
1 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
1 |