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  • Influence
Lead accumulation and osprey production near a mining site on the coeur d'Alene River, Idaho
Mining and smelting at Kellogg-Smelterville, Idaho, resulted in high concentrations of lead in Coeur d'Alene (CDA) River sediments 15–65 km downstream, where ospreys (Pandion haliaetus) nested. AdultExpand
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Contaminant Exposure and Reproductive Success of Ospreys (Pandion haliaetus) Nesting in Chesapeake Bay Regions of Concern
Abstract:The Chesapeake Bay osprey population has more than doubled in size since restrictions were placed on the production and use of DDT and other toxic organochlorine contaminants in the 1970s.Expand
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Parasitism at the Landscape Scale: Cowbirds Prefer Forests
Landscape-scale examination of parasitism patterns of Brown-headed Cowbirds (Molothrus ater) revealed heterogeneous parasitism rates across the mosaic of a forest and associated old-fieldExpand
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Demographic analysis from summaries of an age-structured population.
Demographic analyses of age-structured populations typically rely on life history data for individuals, or when individual animals are not identified, on information about the numbers of individualsExpand
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Population Dynamics of the Concho Water Snake in Rivers and Reservoirs
Abstract The Concho Water Snake (Nerodia harteri paucimaculata) is confined to the Concho–Colorado River valley of central Texas, thereby occupying one of the smallest geographic ranges of any NorthExpand
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Reproductive success, growth and survival of black-crowned night-heron ( Nycticorax nycticorax ) and snowy egret ( Egretta thula ) chicks in coastal Virginia
ABsTRAcr.-We studied reproductive success, growth, and survival of Black-crowned NightHeron (Nycticorax nycticorax) and Snowy Egret (Egretta thula) chicks in two mixed-species heronries on marshExpand
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Relation among cytochrome p450, ah‐active pcb congeners and dioxin equivalents in pipping black‐crowned night‐heron embryos
Pipping black-crowned night-heron (Nycticorax nycticorax) embryos were collected from a relatively uncontaminated site (next to Chincoteague National Wildlife Refuge, VA) and three polluted sitesExpand
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Absorption and biotransformation of polybrominated diphenyl ethers DE-71 and DE-79 in chicken (Gallus gallus), mallard (Anas platyrhynchos), American kestrel (Falco sparverius) and black-crowned
We recently reported that air cell administration of penta-brominated diphenyl ether (penta-BDE; DE-71) evokes biochemical and immunologic effects in chicken (Gallus gallus) embryos at very lowExpand
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Diffusion analysis and stationary distribution of the two-species lottery competition model
Abstract The lottery model is a stochastic population model in which juveniles compete for space. Examples include sedentary organisms such as trees in a forest and members of marine benthicExpand
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