Consulta: subjectFacets:"Declining species"
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Data/hora: 11/06/2024 14:59:47

A Framework for Spatial Risk Assessments: Potential Impacts of Nonindigenous Invasive Species on Native Species
Provedor de dados: 7
Autores: Allen, Craig R; USGS  Nebraska Cooperative Fish &amp; Wildlife Research Unit, University of Nebraska; allencr@unl.edu; Johnson, Alan R; Clemson University; alanj@clemson.edu; Parris, Leslie; Clemson University; leslie.parris@us.army.mil.
Many populations of wild animals and plants are declining and face increasing threats from habitat fragmentation and loss as well as exposure to stressors ranging from toxicants to diseases to invasive nonindigenous species. We describe and demonstrate a spatially explicit ecological risk assessment that allows for the incorporation of a broad array of information that may influence the distribution of an invasive species, toxicants, or other stressors, and the incorporation of landscape variables that may influence the spread of a species or substances. The first step in our analyses is to develop species models and quantify spatial overlap between stressor and target organisms. Risk is assessed as the product of spatial overlap and a hazard index based...
Tipo: Peer-Reviewed article
Palavras-chave: Declining species; Invasive species; Nonindigenous species; Risk assessment; Spatial risk.
Ano: 2006