Trends in Amphibian Occupancy in the United States

被引：167

作者：

Adams, Michael J. ^{[1
]}

Miller, David A. W. ^{[2
,3
]}

Muths, Erin ^{[4
]}

Corn, Paul Stephen ^{[5
]}

Grant, Evan H. Campbell ^{[6
]}

Bailey, Larissa L. ^{[7
]}

Fellers, Gary M. ^{[8
]}

Fisher, Robert N. ^{[9
]}

Sadinski, Walter J. ^{[10
]}

Waddle, Hardin ^{[11
]}

Walls, Susan C. ^{[12
]}

机构：

[1] US Geol Survey, Forest & Rangeland Ecosyst Sci Ctr, Corvallis, OR USA

[2] US Geol Survey, Patuxent Wildlife Res Ctr, Laurel, MD USA

[3] Penn State Univ, Dept Ecosyst Sci & Management, University Pk, PA 16802 USA

[4] US Geol Survey, Ft Collins Sci Ctr, Ft Collins, CO USA

[5] US Geol Survey, Northern Rocky Mt Sci Ctr, Missoula, MT USA

[6] US Geol Survey, Patuxent Wildlife Res Ctr, Turners Falls, MA USA

[7] Colorado State Univ, Dept Fish Wildlife & Conservat Biol, Ft Collins, CO 80523 USA

[8] US Geol Survey, Western Ecol Res Ctr, Point Reyes Stn, CA USA

[9] US Geol Survey, Western Ecol Res Ctr, San Diego, CA USA

[10] US Geol Survey, Upper Midwest Environm Sci Ctr, La Crosse, WI USA

[11] US Geol Survey, Natl Wetlands Res Ctr, Lafayette, LA USA

[12] US Geol Survey, Southeast Ecol Sci Ctr, Gainesville, FL USA

来源：

PLOS ONE | 2013年 / 8卷 / 05期

关键词：

ESTIMATING SITE OCCUPANCY; CHYTRID FUNGUS; EXTINCTION; DECLINE; CALIFORNIA; PATHOGEN; ECOLOGY;

D O I：

10.1371/journal.pone.0064347

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Though a third of amphibian species worldwide are thought to be imperiled, existing assessments simply categorize extinction risk, providing little information on the rate of population losses. We conducted the first analysis of the rate of change in the probability that amphibians occupy ponds and other comparable habitat features across the United States. We found that overall occupancy by amphibians declined 3.7% annually from 2002 to 2011. Species that are Red-listed by the International Union for Conservation of Nature (IUCN) declined an average of 11.6% annually. All subsets of data examined had a declining trend including species in the IUCN Least Concern category. This analysis suggests that amphibian declines may be more widespread and severe than previously realized.

引用

页数：5

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