Accounting for detectability improves estimates of species richness in tropical bat surveys
Por:
Meyer, CFJ, Aguiar, LMS, Aguirre L.F., Baumgarten J., Clarke F.M., Cosson, JF, Villegas S.E., Fahr J., Faria D., Furey N., Henry M., Hodgkison R., Jenkins, RKB, Jung K.G., Kingston T., Kunz T.H., MacSwiney, MC, Moya I., Patterson B.D., Pons, JM, Racey P.A., Rex K., Sampaio E.M., Solari S., Stoner K.E., Voigt C.C., von Staden D., Weise C.D., Kalko, EKV
Publicada:
1 jun 2011
Categoría:
Ecology
Resumen:
P>1. Species richness is a state variable of some interest in monitoring programmes but raw species counts are often biased due to imperfect species detectability. Therefore, monitoring programmes should quantify detectability for target taxa to assess whether it varies over temporal or spatial scales. We assessed the potential for tropical bat monitoring programmes to reliably estimate trends in species richness. 2. Using data from 25 bat assemblages from the Old and New World tropics, we estimated detectability for all species in an assemblage (mean proportion of species detected per sampling plot) and for individual species (species-specific detectability). We further assessed how these estimates of detectability were affected by external sources of variation relating to time, space, survey effort and biological traits. 3. The mean proportion of species detected across 96 sampling plots was estimated at 0 center dot 76 (range 0 center dot 57-1 center dot 00) and was significantly gr
Filiaciones:
Aguirre L.F.:
Centro de Biodiversidad y Genética, Universidad Mayor de San Simón, Casilla Postal 538, Cochabamba, Bolivia
Centro de Estudios en Biología Teórica y Aplicada, Programa para la Conservación de los Murciélagos de Bolivia, La Paz, Bolivia
Baumgarten J.:
Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, CEP 45650-000 Ilhéus, Bahia, Brazil
Clarke F.M.:
Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, AB24 2TZ, United Kingdom
Villegas S.E.:
Department of Biology, McGill University, 1205 Docteur Penfield, Montréal, H3A 1B1, Canada
Fahr J.:
Institute of Experimental Ecology, University of Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany
Faria D.:
Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, CEP 45650-000 Ilhéus, Bahia, Brazil
Furey N.:
Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, AB24 2TZ, United Kingdom
Henry M.:
INRA, UMR 406 Abeilles and Environnement, Site Agroparc, F-84914 Avignon, France
Hodgkison R.:
Institute of Experimental Ecology, University of Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany
Jung K.G.:
Institute of Experimental Ecology, University of Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany
Kingston T.:
Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409-3131, United States
Kunz T.H.:
Department of Biology, Center for Ecology and Conservation Biology, Boston University, Boston, MA 02215, United States
Moya I.:
Centro de Estudios en Biología Teórica y Aplicada, Programa para la Conservación de los Murciélagos de Bolivia, La Paz, Bolivia
Patterson B.D.:
Department of Zoology, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago IL 60605-2496, United States
Racey P.A.:
Centre for Ecology and Conservation, University of Exeter in Cornwall, Penryn, TR10 9EZ, United Kingdom
Rex K.:
Leibniz-Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, 10315 Berlin, Germany
Sampaio E.M.:
Institute of Experimental Ecology, University of Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany
Solari S.:
Instituto de Biología, Universidad de Antioquia, A.A. 1226, Medellín, Colombia
Stoner K.E.:
Univ Nacl Autonoma Mexico, Ctr Invest & Ecosistemas, Morelia 58089, Michoacan, Mexico
Voigt C.C.:
Leibniz-Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, 10315 Berlin, Germany
von Staden D.:
Institute of Experimental Ecology, University of Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany
Weise C.D.:
Bat Conservation International, P.O. Box 162603, Austin, TX 78716, United States
All Open Access; Bronze
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