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
Comparison of methods of preserving tissues for pesticide analysis Comparison of methods of preserving tissues for pesticide analysis
Formalin preservation, freezing, spoiling followed by freezing, and phenoxyethanol were compared in terms of concentrations of DDT, DDD, DDE, endrin, and heptachlor epoxide measured in brain, liver and carcass of birds fed dietary dosages of pesticides and in spiked egg homogenate. Phenoxyethanol proved to be an unsatisfactory preservative; the amount of ‘extractable lipid’ was excessive...
Authors
W. H. Stickel, L.F. Stickel, R. A. Dyrland, D.L. Hughes
Chromosome numbers and ecological observations of ferns from El Tirol, Paraguay Chromosome numbers and ecological observations of ferns from El Tirol, Paraguay
No abstract available.
Authors
A.R. Smith, M.S. Foster
Aroclor 1254 residues in birds: Lethal levels and loss rates Aroclor 1254 residues in birds: Lethal levels and loss rates
Lethal residues of polychlorinated biphenyls (PCBs) were determined experimentally in four species of wild birds given dietary dosage of 1,500 ppm of Aroclor 1254® until one-half had died, sacrificing the survivors, chemically analyzing the tissues, and comparing results in dead birds and survivors. For all species, residues of 310 ppm or higher in the brain showed increasing likelihood...
Authors
William H. Stickel, Lucille F. Stickel, R. A. Dyrland, Donald L. Hughes
Organochlorine residues in eggs of black-crowned night herons from Colorado and Wyoming Organochlorine residues in eggs of black-crowned night herons from Colorado and Wyoming
Eggs of black-crowned night-herons Nycticorax nycticorax (L.) were collected for analysis from seven nesting sites in Colorado and Wyoming in 1979. One egg was taken per nest from as many as 20 nests per site during early incubation. The nests were marked and revisited after hatching, but before fledging, to record the number of live young. DDE was detected in all of the collected eggs...
Authors
L. C. McEwen, C. J. Stafford, Gary L. Hensler
Changes in levels of organochlorines in woodcock wings from 1971 to 1975 Changes in levels of organochlorines in woodcock wings from 1971 to 1975
Wings from woodcock (Philohela minor) were first monitored for organochlorine pesticides and polychlorinated biphenyls (PCBs) in the eastern U.S. in 1971. Regional differences in these compounds were clearly demonstrated and baseline residue levels were obtained for later comparisons. An expanded sampling of wings in 1972 revealed that residues in wings of adult woodcock may differ...
Authors
M. Anne Ross McLane, D.L. Hughes, G. H. Heinz
Acute toxicity of diazinon is similar for eight stocks of bobwhite Acute toxicity of diazinon is similar for eight stocks of bobwhite
Nine-week-old bobwhite (Colinus virginianus) from eight different game farms were tested for their sensitivity to an acute oral exposure of technical-grade diazinon (phosphorothioic acid O,O-diethyl-O-[6-methyl-2-(l-methylethyl) -4-pyrimidinyl]ester). Extraneous variables associated with interlaboratory differences in husbandry were eliminated by incubating eggs and rearing chicks to...
Authors
E. F. Hill, M.B. Camardese, G. H. Heinz, J. W. Spann, A.B. DeBevec
Current impact of DDE on black-crowned night-herons in the intermountain west Current impact of DDE on black-crowned night-herons in the intermountain west
Organochlorine contamination was studied in eight black-crowned night-heron (Nycticorax nycticorax) populations nesting in Washington, Oregon, and Nevada in 1978-80. DDE was detected in 220 eggs sampled; eggshell thickness was negatively correlated with residues of DDE and polychlorinated biphenyls (PCB's). Other contaminants were detected in 35% or fewer of the eggs. Except for the two...
Authors
Charles J. Henny, Lawrence J. Blus, Alexander J. Krynitsky, Christine M. Bunck
Handbook of toxicity of pesticides to wildlife Handbook of toxicity of pesticides to wildlife
No abstract available.
Authors
Rick H. Hudson, Richard K. Tucker, M. A. Haegele
Linear regression--A useful tool in analyzing banding results Linear regression--A useful tool in analyzing banding results
No abstract available.
Authors
C.S. Robbins
A cross-fostering experiment with the Newell's race of Manx shearwater A cross-fostering experiment with the Newell's race of Manx shearwater
No abstract available.
Authors
G. Vernon Byrd, John L. Sincock, Timothy C. Elfers, D.I. Moriarty, B.G. Brady
DDE in birds: Lethal residues and loss rates DDE in birds: Lethal residues and loss rates
Lethal brain residues of DDE2 were determined experimentally in four species of wild birds given dietary dosage of 1,500 ppm DDE until one-half had died, then sacrificing the survivors, chemically analyzing the tissues, and comparing results in dead birds and survivors. In all species, residues of 300 to 400 ppm of DDE in the brain were considered to show increasing likelihood of death...
Authors
William H. Stickel, Lucille F. Stickel, R. A. Dyrland, Donald L. Hughes
Annual variation in the distribution, abundance, and habitat response of the palila (Loxioides bailleui) Annual variation in the distribution, abundance, and habitat response of the palila (Loxioides bailleui)
We studied the distribution, population size, and habitat response of the Palila (Loxioides bailleui) during the 1980-1984 nonbreeding seasons to infer factors that limit the population and to develop management strategies. Distribution was fairly constant from year to year. Palila were confined to the subalpine woodland on Mauna Kea on the island of Hawaii, occurred between 2,000 and 2...
Authors
J. M. Scott, Stephen Mountainspring, Charles van Riper, C. B. Kepler, J.D. Jacobi, T.A. Burr, Jon G. Giffen