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The Role of Habitat Selection Behavior in Population Dynamics: Source–sink Systems and Ecological Traps by William B. Kristan; III is a Environmental Science article available to read on EtoBox.

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Ecological traps, poor‐quality habitat that nonetheless attract individuals, have been observed in both natural and human‐altered settings. Until recently, ecological traps were considered a kind of source–sink system, but source–sink theory does not model maladaptive habitat choice, and therefore cannot accurately represent ecological traps or predict their population‐level consequences. Although recent models of ecological traps addressed this problem, they used patch‐based models containing only two habitats that were very different from one another, but were internally homogeneous. These sorts of patch models may not apply to many real populations, and using them for populations in landscapes with mosaic or gradient habitat structures may be misleading. I developed models that treat source–sink dynamics and ecological traps as special cases of a single process, in which the attractiveness and quality of the habitat are separate variables that can be either positively or negatively related, and in which habitat quality varies continuously throughout the landscape. As expected, sinks are less detrimental to populations than ecological traps, in which preferential use of poor habi

Who reads The Role of Habitat Selection Behavior in Population Dynamics: Source–sink Systems and Ecological Traps?

Author

William B. Kristan; III

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0030-1299)

Published

2003

Language

EN

Field

Environmental Science (Physical Sciences)