作者: Richard L. Schroeder
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摘要: Abstract : A review and synthesis of existing information was used to develop a habitat model for the downy woodpecker (Picoides pubescens). The is scaled produce an index suitability between 0 (unsuitable habitat) 1 (optimally suitable areas continental United States. Habitat indexes are designed use with Evaluation Procedures previously developed by U.S. Fish Wildlife Service.