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USGS National Wetlands Research Center Digital Library

Habitat Suitability Index Models

This series provides habitat information for evaluating impacts on fish and wildlife habitat resulting from water or land use changes. The reports synthesize habitat information into explicit habitat models useful in quantitative assessments. Models in this series reference numerous literature sources in an effort to consolidate scientific information on species-habitat relationships. HSI models are usually presented in three basic formats: (1) graphic; (2) word; and (3) mathematical. The models should be viewed as hypotheses of species-habitat relationships rather than statements of proven cause and effect relationships. Their value is to serve as a basis for improved decision-making and increased understanding of habitat relationships because they specify hypotheses of habitat relationships that can be tested and improved.

This site contains citations to all reports from the Habitat Suitability Index (HSI) Models published by the US Fish and Wildlife Service, along with related HSI publications made available as part of the National Wetlands Research Center's digital library collection. Reports in the series are numbered from 82(10) through 82(10.156) and are available in the form of PDF files. We recommend using Adobe Reader 8+ to view these documents. The series was produced in the 1980's. Currently, there are no plans to update, revise, or add individual profiles to this series. For assistance, please contact the NWRC Library or Email the NWRC Librarian.

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