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The Academy of Natural Sciences is dedicated to understanding the natural world and inspiring everyone to care for it Discover our Impact
The Academy of Natural Sciences is dedicated to understanding the natural world and inspiring everyone to care for it
The Delaware River Watershed Initiative (DRWI) is an innovative new approach to grant-making and environmental stewardship funded by the William Penn Foundation. The DRWI is targeting subwatersheds to restore degraded ecological conditions and to protect areas that have high ecological value.
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.
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.
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.
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.
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.
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
Ecological data were gathered from a network of 70 riparian restoration projects in Pennsylvania to facilitated future assessments of restoration outcomes.
This is the sixth of a series of biological and water quality surveys of the Sabine River near Longview, Texas.
