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Joseph Prairie Creek

Macroinvertebrate data: 10-17-2017



School: Abernethy Elementary School

Date and time: Oct. 17, 2017, 2 p.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 25 minutes

Weather: sunny/partly cloudy

Percent EPT: 46.03%

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

Field notes: Also found: Shrimp (4) & Shiner (2)

Sensitivity to pollution
Sensitive
Count
Caddisfly
7
Mayfly
4
Riffle beetle
2
Stonefly
18
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
4
Fishfly
0
Alderfly
0
Mite
9
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
1
Midge
6
Snail
11
Mosquito larva
0
Tolerant total
3