A triple-isotope approach to predict the breeding origins of European bats

Despite a commitment by the European Union to protect its migratory bat populations, conservation efforts are hindered by a poor understanding of bat migratory strategies and connectivity between breeding and wintering grounds. Traditional methods like mark-recapture are ineffective to study broad-s...

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Veröffentlicht in:PloS one 2012-01, Vol.7 (1), p.e30388-e30388
Hauptverfasser: Popa-Lisseanu, Ana G, Sörgel, Karin, Luckner, Anja, Wassenaar, Leonard I, Ibáñez, Carlos, Kramer-Schadt, Stephanie, Ciechanowski, Mateusz, Görföl, Tamás, Niermann, Ivo, Beuneux, Grégory, Mysłajek, Robert W, Juste, Javier, Fonderflick, Jocelyn, Kelm, Detlev H, Voigt, Christian C
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container_start_page e30388
container_title PloS one
container_volume 7
creator Popa-Lisseanu, Ana G
Sörgel, Karin
Luckner, Anja
Wassenaar, Leonard I
Ibáñez, Carlos
Kramer-Schadt, Stephanie
Ciechanowski, Mateusz
Görföl, Tamás
Niermann, Ivo
Beuneux, Grégory
Mysłajek, Robert W
Juste, Javier
Fonderflick, Jocelyn
Kelm, Detlev H
Voigt, Christian C
description Despite a commitment by the European Union to protect its migratory bat populations, conservation efforts are hindered by a poor understanding of bat migratory strategies and connectivity between breeding and wintering grounds. Traditional methods like mark-recapture are ineffective to study broad-scale bat migratory patterns. Stable hydrogen isotopes (δD) have been proven useful in establishing spatial migratory connectivity of animal populations. Before applying this tool, the method was calibrated using bat samples of known origin. Here we established the potential of δD as a robust geographical tracer of breeding origins of European bats by measuring δD in hair of five sedentary bat species from 45 locations throughout Europe. The δD of bat hair strongly correlated with well-established spatial isotopic patterns in mean annual precipitation in Europe, and therefore was highly correlated with latitude. We calculated a linear mixed-effects model, with species as random effect, linking δD of bat hair to precipitation δD of the areas of hair growth. This model can be used to predict breeding origins of European migrating bats. We used δ(13)C and δ(15)N to discriminate among potential origins of bats, and found that these isotopes can be used as variables to further refine origin predictions. A triple-isotope approach could thereby pinpoint populations or subpopulations that have distinct origins. Our results further corroborated stable isotope analysis as a powerful method to delineate animal migrations in Europe.
doi_str_mv 10.1371/journal.pone.0030388
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subjects Acrocephalus paludicola
Analysis
Animal behavior
Animal migration
Animal Migration - physiology
Animal populations
Animals
Annual precipitation
Bats
Behavior, Animal - physiology
Biology
Breeding
Chiroptera
Chiroptera - physiology
Connectivity
Conservation
Demography
Ecology
Europe
Germany
Goats
Hair
Horses
Hydrogen
Hydrogen isotopes
Isotopes
Keratin
Long distance
Mathematical models
Mean annual precipitation
Neurosciences
Origins
Phylloscopus trochilus
Phylloscopus trochilus acredula
Population Dynamics
Populations
Precipitation
Radioactive Tracers
Reproduction - physiology
Sedentary species
Sheep
Spain
Studies
Subpopulations
Sweden
Tanzania
Tracers (Biology)
Transmitters
Wildlife conservation
title A triple-isotope approach to predict the breeding origins of European bats
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