Leaf Pack Experiment Details at VLAWMO-2 station at Cty Rd F Flume
Placement Information

Placement Date Oct. 3, 2019
Number of Packs Placed 1
Placement Air Temperature 9.2 °C
Placement Water Temperature 14.05 °C
Stream Habitat Type Pool
Leaf Pack Type and Composition

Predominant Leaf Species:


Retrieval Information

Retrieval Date Oct. 31, 2019
Number of Packs Retrieved 1
Retrieval Air Temperature 1.7 °C
Retrieval Water Temperature 3.3 °C
Storm and Non-Storm Events

Did storms occur while your leaf packs were in the stream? Yes
Number of storms that occurred 1
Total precipitation depth that occurred 8.7 cm
Did flooding occur? No
Was this site experiencing a drought during your experiment? No

Summary Analysis
Results Overview

Total Number of Individuals Found 37
Pollution Tolerance Index Score 9
Pollution Tolerance Index Rating Poor - Severe pollution likely
Percent EPT 0.00%


Beetles: Adult dytiscidae Pack placed too shallow - water level dropped in time it was placed and was partly exposed.