Estimating the effects of road mortality on turtle populations

作者: James P. Gibbs , W. Gregory Shriver

DOI: 10.1046/J.1523-1739.2002.01215.X

关键词:

摘要: Road mortality is suspected to have contributed widespread population declines in turtles the United States, a country with exceptionally high turtle diversity. We examined issue through modeling study that integrated road maps and traffic-volume data simulated movements of (1) small-bodied pond turtles, (2) large-bodied (3) terrestrial semiterrestrial ("land") turtles. Our model predicted networks typical northeastern, southeastern, central regions potential limit land-turtle populations and, lesser extent, Nowhere are likely threatened regionally by mortality. conclude demographic traits some combination their mobility, may jeopardize persistence within eastern States.

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