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
Comparisons of patch-use models for wintering American tree sparrows Comparisons of patch-use models for wintering American tree sparrows
Optimal foraging theory has stimulated numerous theoretical and empirical studies of foraging behavior for >20 years. These models provide a valuable tool for studying the foraging behavior of an organism. As with any other tool, the models are most effective when properly used. For example, to obtain a robust test of a foraging model, Stephens and Krebs (1986) recommend experimental...
Authors
M.W. Tome
Snow as a driving force in a wolf-deer system Snow as a driving force in a wolf-deer system
No abstract available.
Authors
L.D. Mech
Breeding ecology of the wood duck: a review Breeding ecology of the wood duck: a review
No abstract available.
Authors
G.M. Haramis
Accumulation, metabolism and toxicity of parathion in tadpoles Accumulation, metabolism and toxicity of parathion in tadpoles
No abstract available.
Authors
R.J. Hall
Small mammal populations at hazardous waste disposal sites near Houston, Texas, USA Small mammal populations at hazardous waste disposal sites near Houston, Texas, USA
Small mammals were trapped, tagged and recaptured in 0?45 ha plots at six hazardous industrial waste disposal sites to determine if populations, body mass and age structures were different from paired control site plots. Low numbers of six species of small mammals were captured on industrial waste sites or control sites. Only populations of hispid cotton rats at industrial waste sites...
Authors
C.S. Robbins
Feeding activities of black skimmers in Guyana Feeding activities of black skimmers in Guyana
Discrepancies appear in the literature concerning the influence of time of day and tide on feeding activities of Black Skimmers (Rhynchops niger). Observations from Guyana, South America, suggest that skimmers do feed during the day, but are strongly cued to receding tides.
Authors
R.M. Erwin
Effects of tillage practices and carbofuran exposure on small mammals Effects of tillage practices and carbofuran exposure on small mammals
We compared population estimates, body mass, movement, and blood chemistry of small mammals between conventionally tilled and no-till cornfields in Maryland and Pennsylvania to evaluate the effects of tillage practices and carbofuran exposure on small mammals. Estimates suggest that populations of white-footed mice (Peromyscus leucopus) were not significantly related (P > 0.05) to...
Authors
Peter H. Albers, Greg L. Linder, James D. Nichols
Summer-fall survival of American woodcock in Maine Summer-fall survival of American woodcock in Maine
We estimated summer-fall (15 Jun-20 Oct) survival for 32 adult and 96 fledged young American woodcock (Scolopax minor) radiotagged in eastern Maine during 1982-84 using single-interval, multiple-interval, and nonparametric (product-limit) methods. Single-interval survival estimates were 0.90, 0.88, 0.57, and 0.73 for adult males, adult females, young males, and young females...
Authors
Eric L. Derleth, Greg F. Sepik
New records of birds for Kwajalein Atoll, Marshall Islands New records of birds for Kwajalein Atoll, Marshall Islands
No abstract available.
Authors
R. B. Clapp, William L. Schipper
Lead and cadmium concentrations in mink from northern Idaho Lead and cadmium concentrations in mink from northern Idaho
The purposes of this study were to determine concentrations of cadmium and lead in mink (Mustela vison) in northern Idaho, to discuss potential effects, and to determine whether levels have declined. Mink (skinned carcasses) from the Coeur d'Alene River system (northern Idaho) were ohtained from trappers during the 1981-82 (n = 17) and 1986-87 (n= 14) seasons. Livers of all eight mink...
Authors
L. J. Blus, Charles J. Henny
An evaluation of the Christmas Bird Count for monitoring population trends of selected species An evaluation of the Christmas Bird Count for monitoring population trends of selected species
No abstract available.
Authors
G.S. Butcher, M.R. Fuller, L.S. McAllister, P.H. Geissler