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+( i•~ REPORT DOCUMENTATION ~ 1_REPORT NO. 2. 3. Recipients Accession No. ' SAGE 4 FWS/OBS-82/10.2 4. Title and Subtitle S Report Date h ~ tfi l Ch Februar 1982 ca s anne Habitat Suitability Index Models: fi. 7. Author(s) & PeAorming OBanization Rept. No. Thomas E. McMahon, and James W. Terrell 9. PeAorming Organization Nams and Address Habitat Eval uati on Procedures Group 10. Project/Task/Work Unit No. Western Energy"and Land Use Team U. S . Fi sh~ and Wi 1 dl i fe Service 11. Contractcc~ or Grant(G1 No. Drake Creekside Building One ' ccl 2625 Redwing~:Road _ cG) Fort-Collins, Colorado 80526 1Z Sponsoring Organization Name and Address Western Energy and Land Use Team 13. Type of Report & Period Covered Office of Biological. Services k__- Fish and Wildlife Service ., U.S. Department of Interior ~la. hington, D.C. 20240 35. Supplementary Notes 16. Abstract (Limit: 200 words) Literature concerning the habitat requirements of the channel catfish (Ictalurus punctatus) is reviewed, and the data is then synthesized into Habitat Suitability Index models. This is one in a series of publications developed to provide information on the habitat requirements of selected fish and wildlife species. Numerous literature sources have been consulted in an effort to consolidate scientific data on species-habitat relation- ships. These data have subsequently been synthesized into explicit Habitat Suitability Index (HSI) models. The models are based on suitability indices indicating habitat preferences. Indices have been formulated for variables found to affect the life cycle and survival of each species. Habitat Suitability Index (HSI) models are designed to provide information for use in impact assessment and habitat management activities. The HSI technique is a corollary to the U.S. Fish and Wildlife Service's Habitat Evaluation Procedures. .,c 17. Document Analysis a. Dexriptors Habitability Fishes b. Identifiers/Open-Ended Terms y Habitat Habitat Suitability Index Channel catfish Ictalurus punctatus e. COSATI F;e1dlGroup 18. Availability Statement 19. Security Class (This Report) 21. No, of Pagea Unlimited ~ Unclassified 29 20. Security Class (This Pagel ~ 22. Price Unclassified (See ANSI-239.18) Ses Insiruettions on Reverse "r""^^~ "'^^' "` " (FormeNy NTIS-35) U.S. GOVERNMENT PRINTING OFFICE: 1982-57&1241186 REGION No. 8 Department o! Commerce