Consequences of impediments to animal movements at different scales: A conceptual framework and review

Consequences of impediments to animal movements at different scales: A conceptual framework and... INTRODUCTIONThe ability to move around landscapes is critical for the persistence of animal populations (Fahrig & Merriam, ; Hanski, ). Habitat fragmentation, defined here as a landscape pattern whereby habitat is structurally separated, regardless of the process through which that separateness has come about, reduces structural connectivity within landscapes which can in turn reduce functional connectivity (Brooks, ; Pe'er, Henle, Dislich, & Frank, ). Structural connectivity reflects the degree to which the physical structure of landscape elements allows individuals to move, while functional connectivity reflects the degree to which movements actually occur based on an interaction between landscape structure and the behavioural and biological characteristics of a species (Betts, Gutzwiller, Smith, Robinson, & Hadley, ; Pe'er et al., ; Wiens, Schooley, & Weeks, ). Landscapes may provide variable degrees of connectivity for species depending on their affinity for habitat edges or their propensity to cross gaps (Pe'er et al., ).Substantial work has been devoted to understanding how habitat fragmentation influences individuals and populations (Fahrig, ; Prugh, Hodges, Sinclair, & Brashares, ; Tischendorf & Fahrig, ). While much of this work has focused on correlations between habitat configuration and the richness, distribution or abundance of organisms (Edge et al., ; McGarigal & Cushman, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Diversity and Distributions Wiley

Consequences of impediments to animal movements at different scales: A conceptual framework and review

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Publisher
Wiley
Copyright
Copyright © 2018 John Wiley & Sons Ltd
ISSN
1366-9516
eISSN
1472-4642
D.O.I.
10.1111/ddi.12699
Publisher site
See Article on Publisher Site

Abstract

INTRODUCTIONThe ability to move around landscapes is critical for the persistence of animal populations (Fahrig & Merriam, ; Hanski, ). Habitat fragmentation, defined here as a landscape pattern whereby habitat is structurally separated, regardless of the process through which that separateness has come about, reduces structural connectivity within landscapes which can in turn reduce functional connectivity (Brooks, ; Pe'er, Henle, Dislich, & Frank, ). Structural connectivity reflects the degree to which the physical structure of landscape elements allows individuals to move, while functional connectivity reflects the degree to which movements actually occur based on an interaction between landscape structure and the behavioural and biological characteristics of a species (Betts, Gutzwiller, Smith, Robinson, & Hadley, ; Pe'er et al., ; Wiens, Schooley, & Weeks, ). Landscapes may provide variable degrees of connectivity for species depending on their affinity for habitat edges or their propensity to cross gaps (Pe'er et al., ).Substantial work has been devoted to understanding how habitat fragmentation influences individuals and populations (Fahrig, ; Prugh, Hodges, Sinclair, & Brashares, ; Tischendorf & Fahrig, ). While much of this work has focused on correlations between habitat configuration and the richness, distribution or abundance of organisms (Edge et al., ; McGarigal & Cushman,

Journal

Diversity and DistributionsWiley

Published: Jan 1, 2018

Keywords: ; ; ; ; ; ; ; ;

References

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