chevron_left Back to Cascadia

Cascadia

Macroinvertebrate data: 09-18-2014



School: Oregon State University

Date and time: Sept. 18, 2014, 1 p.m.

Water quality: Good

Number of people sorting/identifying: 5

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather:

Percent EPT: 20.00%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
0
Mayfly
2
Riffle beetle
0
Stonefly
4
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
7
Alderfly
1
Mite
10
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
5
Mosquito larva
0
Tolerant total
1