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Timberhill City Park

Macroinvertebrate data: 04-10-2019



School: Avery House Nature Center: Nature School Class

Date and time: April 10, 2019, 2 p.m.

Water quality: Fair

Number of people sorting/identifying: 10

Water type:

Time spent sorting/identifying: 30 minutes

Weather:

Percent EPT: 47.73%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
8
Mayfly
0
Riffle beetle
8
Stonefly
13
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
2
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
2
Midge
0
Snail
0
Mosquito larva
11
Tolerant total
2