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Evans Creek at Palmerton

Macroinvertebrate data: 04-15-2014



School: Rogue River Elementary School

Date and time: April 15, 2014, 2:02 p.m.

Water quality: Good

Number of people sorting/identifying: 13

Water type: riffle

Time spent sorting/identifying: 70 minutes

Weather:

Percent EPT: 19.23%

Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs

Field notes: We also found two lamprey.  Very cool.

Sensitivity to pollution
Sensitive
Count
Caddisfly
2
Mayfly
2
Riffle beetle
0
Stonefly
1
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
6
Damselfly
0
Dragonfly
1
Scud
3
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
11
Snail
0
Mosquito larva
0
Tolerant total
1