Biotic Index Details

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Location and Identity Information

Beth Altemus
Briggs Gully
5/19/2021

Biotic Index Information

Major Group
Number
Assigned
Biotic Index
Biotic Value
Group
Plecoptera:
All Stoneflies
Ephemeroptera:
All Mayflies
Trichoptera:
All Caddisflies except Netspinner Caddisflies
Gastropoda:
Gilled Snails
Megaloptera:
Dobsonflies, Fishflies, Alderflies
Odonata:
Dragonflies
Diptera:
Crane Flies
Diptera:
Watersnipe Flies
Coleoptera:
Water Penny Beetle Larvae
Coleoptera:
Whirligig Beetles
Coleoptera:
Other Beetles
Trichoptera:
Netspinner Caddisflies
Diptera:
Black Flies
Diptera:
Midges
Odonata:
Damselflies
Arachnida:
Water Mites
Decapoda:
All Crayfish
Bivalvia:
All Clams
Amphipoda:
All Scuds
Gastropoda:
Lunged Snails
Hirudina:
All Leeches
Isopoda:
All Sowbugs
Oligochaeta:
All Aquatic Worms
Total Organisms:
Sum Total Biotic Value:
Biotic Index Score:

Biotic Index:

The stream site is: Non-Impacted (0 - 4.50)
Slightly Impacted (4.51 - 5.50) Moderately Impacted (5.51 - 7.00) Severely Impacted (7.01 - 10)