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Last modified
8/11/2009 11:32:56 AM
Creation date
8/10/2009 3:53:19 PM
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UCREFRP
UCREFRP Catalog Number
7727
Author
Stuber, R. J., G. Gebhart and O. E. Maughan.
Title
Habitat Suitability Index Models
USFW Year
1982.
USFW - Doc Type
Green Sunfish.
Copyright Material
NO
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<br />t <br /> <br />PREFACE <br /> <br />t <br /> <br />The Habitat Suitability Index (HSI) models presented in this publication <br />aid in identifying important habitat variables. Facts, ideas, and concepts <br />obtained from the research literature and expert reviews are synthesized and <br />presented in a format that can be used for impact assessment. The models are <br />hypotheses of species-habitat relationships, and model users should recognize <br />that the degree of veracity of the HSI model, SI graphs, and assumptions will <br />vary accordi ng to geographi ca 1 area and the extent of the data base for <br />individual variables. After clear study objectives have been set, the HSI <br />model building techniques presented in U.S. Fish and Wildlife Service (1981)1 <br />and the general guidelines for modifying HSI models and estimating model <br />variables presented in Terrell et al. (1982)2 may be useful for simplifying <br />and applying the models to specific impact assessment problems. Simplified <br />models should be tested with independent data sets, if possible. <br /> <br />Model reliability is likely to vary in different geographical areas and <br />situations. The U.S. Fish and Wildlife Service encourages model users to <br />provide comments, suggestions, and test results that may help us increase the <br />utility and effectiveness of this habitat-based approach to impact assessment. <br />Please send comments to: <br /> <br />Habitat Evaluations Procedures Group or Instream <br />Flow and Aquatic Systems Group <br />Western Energy and land Use Team <br />U.S. Fish and Wildlife Service <br />2627 Redwing Road <br />Fort Collins, CO 80526-2899 <br /> <br />IU.S. Fish and Wildlife Service. <br />habitat sUitability index models. <br />Eco 1. Serv. n . p . <br /> <br />2Terrell, J. W., T. E. McMahon, P. D. Inskip, R. F. Raleigh, and K. L. <br />Williamson. 1982. Habitat sUitability index models: Appendix A. Guidelines <br />for ~iverine and lacustrine applications of fish HSI models with the Habitat <br />Evaluation Procedures. U.S. Fish Wildl. Servo FWS/OBS-82/10.A. 54 pp. <br /> <br />1981. Standards for the development of <br />103 ESM. U.S. Fish Wildl. Serv., Div. <br /> <br />t <br /> <br />i i i <br />
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