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
A field comparison of nested grid and trapping web density estimators A field comparison of nested grid and trapping web density estimators
The usefulness of capture-recapture estimators in any field study will depend largely on underlying model assumptions and on how closely these assumptions approximate the actual field situation. Evaluation of estimator performance under real-world field conditions is often a difficult matter, although several approaches are possible. Perhaps the best approach involves use of the...
Authors
David A. Jett, J.D. Nichols
Antibody response of sandhill and whooping cranes to an eastern equine encephalitis virus vaccine Antibody response of sandhill and whooping cranes to an eastern equine encephalitis virus vaccine
As a possible strategy to protect whooping cranes (Grus americana) from fatal eastern equine encephalitis (EEE) viral infection, studies were conducted to determine the immune response of this species and sandhill cranes (Grus canadensis) to a formalin-inactivated EEE viral vaccine. Viral-specific neutralizing antibody was elicited in both species after intramuscular (IM) vaccination...
Authors
G.G. Clark, F. J. Dein, C.L. Crabbs, J. W. Carpenter, D.M. Watts
Comparison of neotropical winter bird populations in isolated patches versus extensive forest Comparison of neotropical winter bird populations in isolated patches versus extensive forest
Wintering birds were captured with mist nets at 12 pairs of forested sites in the New World tropics in 1984 and 1985 to compare populations in small isolated woodlands (generally 5-50 ha) with those in extensive forests (> 1,000 ha). Net-hours of effort were similar in large and small sites, as were total birds captured and banded, but species composition was very different. Members of...
Authors
C.S. Robbins, B.A. Dowell, D.K. Dawson, J. Colon, F. Espinoza, J. Rodriguez, R. Sutton, T. Vargas
Review of wintering by eared grebes in the southwestern United States Review of wintering by eared grebes in the southwestern United States
No abstract available.
Authors
R.C. Banks, R. B. Clapp
A survey of Pb, Cu, Zn, Cd, Cr, As, and Se in earthworms and soil from diverse sites A survey of Pb, Cu, Zn, Cd, Cr, As, and Se in earthworms and soil from diverse sites
Earthworms and soils were collected from 20 diverse sites in Maryland, Pennsylvania, and Virginia, and were analyzed for Pb, Cu, Zn, Cd, Cr, As, and Se. Correlation coefficients relating concentrations of the elements in earthworms to concentrations in soil were low (−0.20
Authors
W. N. Beyer, E.J. Cromartie
Survival of spotted salamander eggs in temporary woodland ponds of coastal Maryland Survival of spotted salamander eggs in temporary woodland ponds of coastal Maryland
Temporary ponds on the Atlantic Coastal Plain in maryland were characterized according to water chemistry, rain input, phytoplankton, zooplankton and use by the spotted salamander Ambystoma maculatum during March-October 1983-1984. Neither the number of egg masses per unit of pond surface (abundance) nor the survival of spotted salamander embryos was significantly correlated (P>0.05)...
Authors
P.H. Albers, R. M. Prouty
Attraction of Hawaiian seabirds to lights: conservation efforts and effects of moon phase Attraction of Hawaiian seabirds to lights: conservation efforts and effects of moon phase
Increased urban lighting on Kauai Island, Hawaii, has resulted in new problems for threatened and endangered procellariiform birds. Between 1978 and 1985,11,767 Kewell's shearwaters, 38 dark-rumped petrels, and 8 band-rumped storm petrels were attracted to bright urban lights, struck unseen objects, and fell to the ground. A salvage effort involving public cooperation and government-run...
Authors
T.C. Telfer, J.L. Sincock, G.V. Byrd, J.R. Reed
Aquatic cycling of selenium: Implications for fish and wildlife Aquatic cycling of selenium: Implications for fish and wildlife
No abstract available.
Authors
A.D. Lemly, G. J. Smith
Population ecology of the mallard VIII: Winter distribution patterns and survival rates of winter-banded mallards Population ecology of the mallard VIII: Winter distribution patterns and survival rates of winter-banded mallards
In the present report we address questions about winter distribution patterns and survival rates of North American mallards Anas platyrhynchos. Inferences are based on analyses of banding and recovery data from both winter and preseason banding period. The primary wintering range of the mallard was dividded into 45 minor reference areas and 15 major reference areas which were used to...
Authors
James D. Nichols, James E. Hines
Habitat sampling, measurement and evaluation Habitat sampling, measurement and evaluation
No abstract available.
Authors
J. A. Mosher, K. Titus, M.R. Fuller