Cited by 2,245Wildlife-Road Interactions and ConservationWildlife Ecology and ConservationLand Use and Ecosystem Services

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

USING CIRCUIT THEORY TO MODEL CONNECTIVITY IN ECOLOGY, EVOLUTION, AND CONSERVATION

Abstract

Connectivity among populations and habitats is important for a wide range of ecological processes. Understanding, preserving, and restoring connectivity in complex landscapes requires connectivity models and metrics that are reliable, efficient, and process based. We introduce a new class of ecological connectivity models based in electrical circuit theory. Although they have been applied in other disciplines, circuit-theoretic connectivity models are new to ecology. They offer distinct advantages over common analytic connectivity models, including a theoretical basis in random walk theory and an ability to evaluate contributions of multiple dispersal pathways. Resistance, current, and voltage calculated across graphs or raster grids can be related to ecological processes (such as individual movement and gene flow) that occur across large population networks or landscapes. Efficient algorithms can quickly solve networks with millions of nodes, or landscapes with millions of raster cells. Here we review basic circuit theory, discuss relationships between circuit and random walk theories, and describe applications in ecology, evolution, and conservation. We provide examples of how circuit models can be used to predict movement patterns and fates of random walkers in complex landscapes and to identify important habitat patches and movement corridors for conservation planning.

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Crossref · 10.1890/07-1861.1

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44 of 44 references verified0 citation errors · 0 not checkable

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  1. 10.1086/587070 · DOI

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Metadata

Authors
McRae, B. H., Dickson, B. G., Keitt, T. H., & Shah, V. B.
Affiliations
  • National Center for Ecological Analysis and Synthesis (US)
  • Northern Arizona University (US)
  • The University of Texas at Austin (US)
  • University of California, Santa Barbara (US)
Corresponding author
McRae, Brad H.
Venue
Ecology
Publisher
Wiley
Published
2008-10
Volume
89
Issue
10
Pages
2712-2724
ISSN
0012-9658 (ISSN-L)
OpenAlex
W2091202128
Cited by
2,244
References
44
Citations by year
2026: 258 · 2025: 233 · 2024: 226 · 2023: 166 · 2022: 209 · 2021: 177 · 2020: 148 · 2019: 148 · 2018: 96 · 2017: 130 · 2016: 93 · 2015: 89 · 2014: 65 · 2013: 69 · 2012: 49
FWCI
21.77
Type
journal article
Language
en
Open access
closed
Locations
  • Ecology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Wildlife-Road Interactions and Conservation
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Physical Sciences › Environmental Science › Global and Planetary Change › Land Use and Ecosystem Services
Keywords
ecological connectivity, circuit theory, random walk hypothesis, resistance surfaces, gene flow, animal movement, dispersal routes, habitat patches, movement corridors, conservation planning, landscape connectivity, population networks
MeSH terms
Algorithms, Animals, Conservation of Natural Resources, Ecology, Biological Evolution, Models, Biological, Models, Theoretical, Population Density, Population Dynamics, Ecosystem

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