Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Donald R. Clark"'
Publikováno v:
Environments, Vol 6, Iss 12, p 121 (2019)
Environments
Volume 6
Issue 12
Environments
Volume 6
Issue 12
We examined the emergence patterns of Myotis velifer in central Texas in 2000 and assessed exposure to pesticide residues. We collected and analyzed guano from three caves for pesticide residues. In addition, bat carcasses were sampled from an active
Publikováno v:
Environmental Toxicology and Chemistry. 20:2848-2851
American kestrels (Falco sparverius) were fed diets containing 0 (control), 1, 3, 10, and 30 μg/g (wet wt) of Kelthane®. Residues of dicofol and its metabolites were then analyzed in the eggs and carcasses of females. Significant differences occurr
Publikováno v:
Ecotoxicology. 7:61-67
On 14 May 1994, tadpoles were collected from Lateral Pond and Municipal Lake in Bryan, Texas. These waters are immediately downstream from Finfeather Lake which was directly contaminated during 53 years of industrial production of arsenic (As)-based
Autor:
Donald R. Clark, Christine M. Bunck
Publikováno v:
Canadian Journal of Zoology. 69:3093-3102
Data on mammals were compiled from published studies of common barn-owl (Tyto alba) pellets. Mammalian composition of pellet samples was analyzed within geographic regions in regard to year, mean annual precipitation, latitude, and number of individu
Publikováno v:
Environmental Toxicology and Chemistry. 9:1063-1069
Reproductive parameters of American kestrels (Falco sparverius) were measured through two breeding seasons. Exposure to Kelthane® (containing no DDT-related compounds) at dietary concentrations of 0 (control), 1,3, 10 and 30 μg/g (wet weight) began
Publikováno v:
Environmental Impacts of Mining Activities ISBN: 9783642641695
Highly toxic sodium cyanide (NaCN) is used increasingly by the international mining community to extract gold and other precious metals through milling of high grade ores and heap leaching of low grade ores. Of the 98 million kg cyanide (CN) consumed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70d5c567f50282cfe85f11d42e5fa046
https://doi.org/10.1007/978-3-642-59891-3_5
https://doi.org/10.1007/978-3-642-59891-3_5
Publikováno v:
Ecotoxicology (London, England). 4(4)
Samples of bat guano, primarily from Mexican free-tailed bats (Tadarida brasiliensis), were collected at nine bat roosts in caves in northern and eastern Mexico and analysed for organochlorine residues. DDE, the most abundant residue found in each ca
Publikováno v:
Archives of environmental contamination and toxicology. 22(4)
Small mammals were live-trapped in pickleweed (Salicornia virginica) habitats near San Francisco Bay, California in order to measure the uptake of several contaminants and to evaluate the potential effects of these contaminants on the endangered salt
Publikováno v:
Environmental Toxicology and Chemistry. 19:2259
Four species of reptiles (diamondback water snake [Nerodia rhombifer], blotched water snake [N. erythrogaster], cottonmouth [Agkistrodon piscivorus], and red-eared slider [Trachemys scripta]) were collected at two contaminated and three reference sit
Publikováno v:
Journal of Herpetology. 31:476
Adult female ringneck snakes (Diadophis punctatus) collected from a Maryland population during five successive summers laid a total of 50 clutches in which all eggs hatched successfully under laboratory conditions. Mean hatchling mass was not signifi