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Hamilton Creek - LHS & Santiam Watershed Council
Macroinvertebrate data: 03-12-2014
School: South Santiam Watershed Council
Date and time: March 12, 2014, midnight
Water quality: Fair
Number of people sorting/identifying: 11
Water type: riffle
Time spent sorting/identifying: 45 minutes
Weather:
Percent EPT: 90.24%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: GROUP 4
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly |
1 |
Mayfly |
36 |
Riffle beetle |
0 |
Stonefly |
0 |
Water penny |
1 |
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
|
1 |
Leech
|
0 |
Midge
|
0 |
Snail
|
2 |
Mosquito larva
|
0 |
Tolerant total |
2 |