Publications
This is a list of publications written by Patuxent employees since Patuxent opened in 1939. To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.
Filter Total Items: 8128
California condor, Gymnogyps californianus (Shaw) California condor, Gymnogyps californianus (Shaw)
No abstract available.
Authors
N.F.R. Snyder
The eighty-eighth Christmas bird count. Georgia, Florida The eighty-eighth Christmas bird count. Georgia, Florida
No abstract available.
Authors
P.W. Sykes
Correlates of nest-defense behavior of common terns Correlates of nest-defense behavior of common terns
Nest-defense behavior was studied at seven Common Tern (Sterna hirundo) colonies in southern coastal New Jersey during June and July 1981. Data were collected weekly on numbers of adults, nests, eggs, and young in relation to the frequency and intensity of dive attacks on a human intruder by nesting terns. I explored the relationships between attack behavior and colony size/density...
Authors
R.M. Erwin
Ecology of hydrilla in the Potomac 1985-1987 Ecology of hydrilla in the Potomac 1985-1987
No abstract available.
Authors
R.S. Hammerschlag
Birds and environmental contaminants in San Francisco and Chesapeake Bays Birds and environmental contaminants in San Francisco and Chesapeake Bays
The direct and indirect effects of human activities, including environmental contamination, upon bird populations in San Francisco Bay and Chesapeake Bay are imperfectly understood, and few data are available. that allow a comparison of the contamination levels in birds from these two areas. Certain trace elements and organochlorine compounds have been found at sufficiently high...
Authors
H. M. Ohlendorf, W. James Fleming
Northern Alabama colonies of the endangered grey bat Myotis grisescens: organochlorine contamination and mortality Northern Alabama colonies of the endangered grey bat Myotis grisescens: organochlorine contamination and mortality
From 1976 to 1986, dead and dying grey bats Myotis grisescens and grey bat guano were collected from caves along the Tennessee River in northern Alabama to determine the possible role of organochlorine chemicals — in particular wastes from a former DDT manufacturing plant near Huntsville—in the mortalities. Concentrations of chemical residues in brains were less than known lethal levels...
Authors
D. R. Clark, F.M. Bagley, W.W. Johnson