Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Susan D. Haseltine"'
Publikováno v:
Environmental monitoring and assessment. 13(1)
Comparison of organochlorine residues in wildlife must often be made to regulatory standards or to values of known biological significance; this is difficult when dissimilar tissues are analyzed and results are expressed on different bases. To relate
Publikováno v:
Landscape and Urban Planning. 28:5-21
The northern prairie landscape has changed dramatically within the past century as a result of settlement by Europeans. Natural ecosystems have been disrupted and wildlife populations greatly altered. Natural resource agencies control only limited ar
Autor:
Paul T. Green, Paul R. Schmidt, J. Jasper Lament, John G. Rogers, C. John Ralph, Charles M. Francis, Susan D. Haseltine, Ellen I. Paul, Richard E. Young, David N. Bonter, Bradley D. Bales, Lesley-Anne Howes, Daniel L. James, David F. DeSante, Richard A. Lancia, Paul F. Doherty
Publikováno v:
Circular.
In the fall of 2005, the Directors of the U.S. Geological Survey (USGS) and the U.S. Fish and Wildlife Service (FWS) determined that to ensure that the Bird Banding Laboratory (BBL) of the USGS maintains and continues its important support of conserv
Autor:
Richard K. Stroud, Robert E. Lange, Stephen A. Nesbitt, Ramon C. Littell, William R. Davidson, J. Christian Franson, Lawrence L. Alexander, Donald J. Forrester, Susan D. Haseltine
Publikováno v:
Journal of wildlife diseases. 33(4)
Diagnostic findings are presented for 434 common loons (Gavia immer) found sick or dead on Florida beaches from 1970 through 1994, primarily during the months of December to April. The most commonly recognized problem was an emaciation syndrome (66%)
Autor:
Susan D. Haseltine
Publikováno v:
BioScience. 56:289
Publikováno v:
Toxicology Letters. 6:193-197
An in vivo intestinal perfusion technique was used to measure the absorption rates of five Cr compounds in black ducks. Cr was absorbed from saline solutions of KCr(SO4)2 and CrO3 at a rate about 1.5 to 2.0 times greater than from solutions of Cr, Cr
Autor:
R. M. Prouty, Susan D. Haseltine
Publikováno v:
Environmental Research. 23:29-34
Twenty-four pairs of adult mallards were fed a diet containing 0 or 150 ppm of the PCB Aroclor 1242 for 12 weeks during which egg laying was induced. Laying started in both groups an average of 33 days after PCB treatment began. All hens were allowed
Publikováno v:
Archives of Environmental Contamination and Toxicology. 9:461-471
Three sets of 15 pairs of black ducks (Anas rubripes) were given 0, 10, or 50 ppm toxaphene in a dry mash diet for a period of 19 months, which included two breeding seasons. Survival of adults was not affected, but the weights of treated males were
Autor:
Susan D. Haseltine, Gary H. Heinz
Publikováno v:
Toxicology Letters. 8:307-310
Pairs of adult black ducks (Anas rubripes) were fed a diet containing 0, 20, or 200 ppm chromium in the form of chromium potassium sulfate. Ducklings from these pairs were fed the same diets as adults and were tested for their avoidance responses to
Publikováno v:
Environmental Monitoring and Assessment. 5:223-236
Residues of organochlorine pesticides, polychlorinated biphenyls (PCBs), polybrominated biphenyls (PBBs), polychlorinated styrenes (PCSs), and mercury were measured in the eggs of 10 species of colonial waterbirds nesting in areas around Green Bay or