Pages on Natural Features / Ecosystems
Most of these features were first published in the park's newsletter, Spanning the Gap, (STG). For related pages in this website, look up the feature by year under:
Did You Know?
... that shad have made a comeback in the Delaware River, due to pollution control. This member of the herring family lives its adult life in the ocean, but travels up rivers and streams to spawn. Each spring, anglers follow the "shad run" up the Delaware River to catch these hard-fighting fish. More...