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Hoover's Dixon Creek Water Quality
Macroinvertebrate data: 04-22-2011
School: Hoover Elementary School (Salem)
Date and time: April 22, 2011, 10:30 p.m.
Water quality: Excellent
Number of people sorting/identifying: 5
Water type: riffle
Time spent sorting/identifying: 60 minutes
Weather:
Percent EPT: 38.71%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: We found sculpin eggs and slugs. It was very sunny and the water was cold. Milo's socks got wet.
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
5 |
Mayfly
|
2 |
Riffle beetle
|
1 |
Stonefly
|
5 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
12 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
1 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
3 |
|
Somewhat sensitive total |
4 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
4 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
9 |
Mosquito larva
|
1 |
|
Tolerant total |
3 |