A Review of Methods for Quantifying Wildlife Habitat in Large Landscapes

Michael A. Larson, Joshua J. Millspaugh, Frank R. Thompson

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    Abstract

    The methods of modeling wildlife habitat are classified into five general approaches that correspond to common objectives in habitat studies. Habitat Suitability Index (HSI) models are the basis of the Habitat Evaluation Procedure (HEP) developed by the US Fish and Wildlife Service and constitute a basic mathematical technique for quantifying the quality of wildlife habitat. Weighted linear combination (WLC) procedures for multicriteria evaluations provide an alternative framework to HEP for habitat quality indexing (HQI). When WLC procedures are implemented in raster geographic information system, values in maps of habitat attributes are standardized to the same unitless scale. In some cases, models for predicting the presence or absence of a species in an area are less complex and require less data than an HQI model because one can simply define only two categories on the landscape: areas that provide habitat and areas that do not. Approaches to evaluating the viability of a population using habitat data fall into four categories: assessing availability of high-quality habitat, Bayesian belief networks, population simulation, and estimating population growth rates directly. Availability of high-quality habitat can be estimated with home range mapping procedures.

    Original languageEnglish
    Title of host publicationModels for Planning Wildlife Conservation in Large Landscapes
    PublisherElsevier Inc.
    Pages225-250
    Number of pages26
    ISBN (Print)9780123736314
    DOIs
    StatePublished - 2009

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