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Matson Creek MWS Youth Program
Macroinvertebrate data: 11-02-2012
School: Marshfield High School
Date and time: Nov. 2, 2012, 12:30 p.m.
Water quality: Good
Number of people sorting/identifying: 2
Water type: riffle
Time spent sorting/identifying: 60 minutes
Weather:
Percent EPT: 61.54%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Field notes: We also found 2 lamprey and several unidentified fish. Site 2.
Sensitivity to pollution
Sensitive
Count | |
---|---|
Caddisfly![]() |
5 |
Mayfly![]() |
2 |
Riffle beetle![]() |
0 |
Stonefly![]() |
1 |
Water penny![]() |
0 |
Dobsonfly![]() |
0 |
Sensitive total |
9 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
![]() |
0 |
Crane fly
![]() |
1 |
Crayfish
![]() |
0 |
Damselfly
![]() |
0 |
Dragonfly
![]() |
0 |
Scud
![]() |
2 |
Fishfly
![]() |
1 |
Alderfly
![]() |
0 |
Mite
![]() |
0 |
Somewhat sensitive total |
6 |
Tolerant
Count | |
---|---|
Aquatic worm
![]() |
1 |
Blackfly
![]() |
0 |
Leech
![]() |
0 |
Midge
![]() |
0 |
Snail
![]() |
0 |
Mosquito larva
![]() |
0 |
Tolerant total |
1 |