Placement Information

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	Placement Date	Nov. 2, 2025
	Number of Packs Placed	3
	Placement Air Temperature	10.0 °C
	Placement Water Temperature	8.3 °C
	Stream Habitat Type	Riffle

Leaf Pack Type and Composition

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Predominant Leaf Species:

Beech

Maple

Oak

Retrieval Information

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	Retrieval Date	Dec. 7, 2025
	Number of Packs Retrieved	3
	Retrieval Air Temperature	Unknown °C
	Retrieval Water Temperature	2.0 °C

Storm and Non-Storm Events

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Did storms occur while your leaf packs were in the stream?	No
Did flooding occur?	No
Was this site experiencing a drought during your experiment?	No

Group 1: Sensitive
Taxon	Tally
Stoneflies (Plecoptera)	0
Mayflies (Ephemeroptera)	4
Non-net-spinning caddisflies (Trichoptera other than Hydropsychidae)	0
Dobsonflies, fishflies, and alderflies (Megaloptera)	1
Riffle beetles larvae/adults (Elmidae)	0
Water pennies (Psephenidae)	0
Right-handed/gilled snails (Gastropoda, Prosobranchia)	0
Aquatic snipe flies (Athericidae)	3
Total # of Taxa Groups Present	3
Group Weighting Factor	3
Group Index Value	9

Group 2: Somewhat Sensitive
Taxon	Tally
Damselflies (Odonata, Zygoptera)	11
Dragonflies (Odonata, Anisoptera)	0
Aquatic sowbugs (Isopoda)	1
Scuds (Amphipoda)	6
Crane flies (Tipulidae)	2
Clams/mussels (Mollusca, Bivalvia)	0
Crayfish (Decapoda)	0
Net-spinning caddisflies (Hydropsychidae)	12
Total # of Taxa Groups Present	5
Group Weighting Factor	2
Group Index Value	10

Group 3: Tolerant
Taxon	Tally
Midge flies (Chironomidae)	6
Black flies (Simuliidae)	3
Planarians (Turbellaria)	0
Leeches (Hirudinea)	0
Left-handed/lunged snails (Gastropoda, Archaeopulmonata)	0
Aquatic worms (Oligochaeta)	92
Rat-tailed maggots (Syrphidae)	0
Total # of Taxa Groups Present	3
Group Weighting Factor	1
Group Index Value	3