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Joseph City Park

Macroinvertebrate data: 10-17-2017



School: Abernethy Elementary School

Date and time: Oct. 17, 2017, noon

Water quality: Fair

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather: sunny/partly cloudy

Percent EPT: 74.07%

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

Field notes: Water type: both riffle & pool

Sensitivity to pollution
Sensitive
Count
Caddisfly
7
Mayfly
3
Riffle beetle
0
Stonefly
10
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
1
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
2
Blackfly
0
Leech
0
Midge
1
Snail
3
Mosquito larva
0
Tolerant total
3