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Publications

These publications showcase the significant science conducted in our Science Centers.

Filter Total Items: 16785

Deciduous forest management

No abstract available.
Authors
C.S. Robbins

How to obtain information on nongame migratory birds: Patuxent Wildlife Research Center

No abstract available.
Authors
M.A. Howe, R.M. Erwin, M.R. Fuller, C.E. Keller, C.S. Robbins

Inventory and management of trespass recreation use at Upper Delaware and Scenic and Recreational River

Recreational trespass on private lands within the Upper Delaware Scenic and Recreational River, located along the eastern border between Pennsylvania and New York, prompted this survey of recreational trespass sites. The National Park Service has been mandated to manage river recreational use within its boundaries but land ownership shall remain predominantly private. This survey was conducted t
Authors
J. L. Marion

Snowy owl

The snowy owl is a rare to uncommon, irregular winter visitor in the northeastern United States, decreasing southward in abundance except during incursion years, when it is more common and widely distributed. Although snowy owls are recorded in northern New England every winter, major incursions occur at approximately three to four year intervals. Limiting factors include food, habitat and human
Authors
D.G. Smith, D. H. Ellis