Leaf Pack Experiment Details at Northwest Branch of Anacostia River
Placement Information

Placement Date Nov. 14, 2022
Number of Packs Placed 1
Placement Air Temperature 55.0 °C
Placement Water Temperature Unknown °C
Stream Habitat Type Run
Leaf Pack Type and Composition

Predominant Leaf Species:

Maple
Sycamore
Bitternut Hickory


Retrieval Information

Retrieval Date Nov. 30, 2022
Number of Packs Retrieved 1
Retrieval Air Temperature 35.0 °C
Retrieval Water Temperature Unknown °C
Storm and Non-Storm Events

Did storms occur while your leaf packs were in the stream? Yes
Number of storms that occurred 0
Total precipitation depth that occurred 0.0 cm
Did flooding occur? No
Was this site experiencing a drought during your experiment? No

Summary Analysis
Results Overview

Total Number of Individuals Found 12
Pollution Tolerance Index Score 7
Pollution Tolerance Index Rating Poor - Severe pollution likely
Percent EPT 16.67%