Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16785
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
Status and conservation of North American raptors migrating to the neotropics
No abstract available.
Authors
S.E. Senner, M.R. Fuller
Selenium and small mammal populations at Kesterson reservoir
No abstract available.
Authors
D. R. Clark
Selected toxic trace-element and pesticide concentrations in water, sediment, and biota from the southern Tulare Lake area near Kern National Wildlife Refuge, California
No abstract available.
Authors
R. A. Schroeder, D. Palawski, J. P. Skorupa
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
Aquatic birds and selenium in the San Joaquin Valley and San Francisco Bay
No abstract available.
Authors
H. M. Ohlendorf, R. L. Hothem
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