Volume 24, Issue 7 p. 741-749
Research Paper

Disease alters macroecological patterns of North American bats

Winifred F. Frick

Corresponding Author

Winifred F. Frick

Department Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, 95064 USA

Correspondence: Winifred F. Frick, Department Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA 95064, USA.

E-mail: [email protected]

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Sébastien J. Puechmaille

Sébastien J. Puechmaille

Zoology Institute, Ernst-Moritz-Arndt University, 17489 Greifswald, Germany

UCD School of Biology and Environmental Science, University College Dublin, Belfield, Dublin, 4 Ireland

Groupe Chiroptères de Midi-Pyrénées (CREN-GCMP), Toulouse, France

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Joseph R. Hoyt

Joseph R. Hoyt

Department Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, 95064 USA

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Barry A. Nickel

Barry A. Nickel

Center for Integrated Spatial Research, University of California, Santa Cruz, Santa Cruz, CA, 95064 USA

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Kate E. Langwig

Kate E. Langwig

Department Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, 95064 USA

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Jeffrey T. Foster

Jeffrey T. Foster

Center for Microbial Genetics and Genomics, Northern Arizona University, Flagstaff, AZ, 86011 USA

Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire, Durham, NH, 03824 USA

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Kate E. Barlow

Kate E. Barlow

Bat Conservation Trust, Quadrant House, 250 Kennington Lane, London, SE11 5RD UK

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Tomáš Bartonička

Tomáš Bartonička

Department of Botany and Zoology, Masaryk University, Kotlářská 2, CZ 611 37 Brno, Czech Republic

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Dan Feller

Dan Feller

Maryland Department of Natural Resources, Appalachian Laboratory, Wildlife and Heritage Service, 301 Braddock Rd., Frostburg, MD, 21532 USA

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Anne-Jifke Haarsma

Anne-Jifke Haarsma

Department of Animal Ecology and Ecophysiology, Radboud University Nijmegen, P.O. Box 9010, Nijmegen, The Netherlands

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Carl Herzog

Carl Herzog

Wildlife Diversity Unit, New York State Department of Environmental Conservation, 625 Broadway, Albany, NY, 12233 USA

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Ivan Horáček

Ivan Horáček

Department of Zoology, Charles University, Viničná 7, CZ 128 44 Praha, Czech Republic

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Jeroen van der Kooij

Jeroen van der Kooij

Norwegian Zoological Society, PB 102 Blindern, 0314 Oslo, Norway

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Bart Mulkens

Bart Mulkens

Vleermuizenwerkgroep Natuurpunt VZW, Coxiestraat 11, 2800 Mechelen, Belgium

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Boyan Petrov

Boyan Petrov

National Museum of Natural History, Tsar Osvoboditel 1, Sofia, 1000 Bulgaria

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Rick Reynolds

Rick Reynolds

Virginia Department of Game and Inland Fisheries, 517 Lee Highway, Verona, VA, 24482 USA

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Luísa Rodrigues

Luísa Rodrigues

Instituto da Conservação da Natureza e das Florestas, Av. da República 16-16B, 1050-191 Lisboa, Portugal

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Craig W. Stihler

Craig W. Stihler

West Virginia Division of Natural Resources, Wildlife Resources Section, Elkins, WV, 26241 USA

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Gregory G. Turner

Gregory G. Turner

Wildlife Diversity Division, Pennsylvania Game Commission, 2001 Emerton Avenue, Harrisburg, PA, 16669 USA

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A. Marm Kilpatrick

A. Marm Kilpatrick

Department Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, 95064 USA

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First published: 27 January 2015
Citations: 78
Editor: Christy McCain

Abstract

Aim

We investigated the effects of disease on the local abundances and distributions of species at continental scales by examining the impacts of white-nose syndrome, an infectious disease of hibernating bats, which has recently emerged in North America.

Location

North America and Europe.

Methods

We used four decades of population counts from 1108 populations to compare the local abundances of bats in North America before and after the emergence of white-nose syndrome to the situation in Europe, where the disease is endemic. We also examined the probability of local extinction for six species of hibernating bats in eastern North America and assessed the influence of winter colony size prior to the emergence of white-nose syndrome on the risk of local extinction.

Results

White-nose syndrome has caused a 10-fold decrease in the abundance of bats at hibernacula in North America, eliminating large differences in species abundance patterns that existed between Europe and North America prior to disease emergence. White-nose syndrome has also caused extensive local extinctions (up to 69% of sites in a single species). For five out of six species, the risk of local extinction was lower in larger winter populations, as expected from theory, but for the most affected species, the northern long-eared bat (Myotis septentrionalis), extinction risk was constant across winter colony sizes, demonstrating that disease can sometimes eliminate numerical rarity as the dominant driver of extinction risk by driving both small and large populations extinct.

Main conclusions

Species interactions, including disease, play an underappreciated role in macroecological patterns and influence broad patterns of species abundance, occurrence and extinction.

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