Selected Projects

field crew sampling for american eels using backpack electorfishing

American Eel Population Trends

The status and population trends of the yellow eel stage of this commercially and ecologically significant fish was studied in several streams in southeastern Pennsylvania. » More

field crew taking a sediment core sample from a tidal marsh

Ecological Change in the Delaware

Potential ecological effects of dam removal across a range of dam and stream/watershed characteristics were studied in southeastern Pennsylvania and northeastern Maryland using ecological risk assessment. » More
A deteriorated 5 ft dam in York County, Pennsylvania

Ecological Effects of Small Dams

Potential ecological effects of dam removal across a range of dam and stream/watershed characteristics were studied in southeastern Pennsylvania and northeastern Maryland using ecological risk assessment. » More

view upstream from Cresiem Creek in Fairmont Park

Fairmount Park Restoration

The Academy worked with Morris Arboretum and the Natural Lands Trust to develop master plans to restore natural landscapes in seven watersheds of the Fairmount Park system in Philadelphia. » More
Holston River

Holston River Monitoring

This is the seventh¬†in a series of biological and water quality surveys of the Holston River near Kingsport, Tennessee, conducted by the Patrick Center since 1965. » More

heavy machinery demolishing the low dam spanning the Manatawny

Manatawny Creek Dam Removal

The Patrick Center collaborated with local organizations in 2000 to undertake one of the first comprehensive studies to document large-scale physical, chemical, and biological changes in a river following dam removal. » More
field crew seining for shoreline fish along an estuarine shipping channel

Neches River Monitoring

For over 50 years independent academic and scientific institutions have conducted periodic monitoring studies of the lower Neches River in Texas. This is a report on the sixth of such surveys conducted by the Academy's Patrick Center » More

partially restored headwater stream in Pennsylvania

Stream Restoration Projects

Ecological data were gathered from a network of 70 riparian restoration projects in Pennsylvania to facilitated future assessments of restoration outcomes. » More
Paul Kiry collects a sample

Sabine River Monitoring

This is the seventh of a series of biological and water quality surveys of the Sabine River near Longview, Texas. » More

Delaware Watershed Conservation Program

The Delaware Watershed Conservation Program (DWCP) is an innovative new approach to grant-making and environmental stewardship funded by the William Penn Foundation. DWCP is targeting subwatersheds to restore degraded ecological conditions and to protect areas that have high ecological value. » More