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Title	Species endangerment patterns in the United States.
Creator	Flather, Curtis H.
Contributor	Joyce, L. A. ;<br> Bloomgarden, Carol A. ;<br> Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Description	The single-species approach to conserving threatened and endangered species in the United States is insufficient, given the number of species (more than 700) officially considered at risk of extinction (i.e., formally listed under the Endangered Species Act of 1973), the rate at which new species are being listed (more than 50 species a year), and the number of species awaiting listing (more than 3,500 candidate species). Regions supporting many endangered species were located in the humid Southeast and the arid Southwest, and tended to be unique with respect to taxonomic composition, prevalence of endemism, climate, land-type associations, and factors contributing to species endangerment. A comparison of the state-level distribution of candidate, Category 1 species indicated that general spatial patterns would remain consistent with the present distribution of endangerment regions; only the Pacific Northwest emerged as a new concentration of endangered species. Directing land management and policy consideration to endangerment regions could increase the efficiency (e.g., multiple-species benefits) to efforts to conserve endangered species.
Publisher	Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, [1994]
Subject	Endangered species - - United States. ; <br> Endangered species - - United States - - Geographical distribution. ; <br> Endangered plants - - United States. ; <br> Endangered plants - - United States - - Geographical distribution.
Relation	General technical report RM ; 241.
Source	A 13.88:RM-241
Date Original	1994-01-01
Date Digital	2007;
Type	text
Format	application/pdf
Resource Identifier	mtg002121
Contributing Institution	The University of Montana
Language	en
Digitization Specifications	Scanned by Lacey Gibbons using an OpticBook 3600 scanner at 400 dpi, 8 bit gray scale. Master images stored as TIFF and derivatives presented as PDF. Abbey FineReader 8.0 used for optical character recognition.

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