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Global warming leads to larger bats with a faster life history pace in the long-lived Bechstein’s bat (Myotis bechsteinii)
- Whether species can cope with environmental change depends considerably on their life history. Bats have long lifespans and low reproductive rates which make them vulnerable to environmental changes. Global warming causes Bechstein’s bats (Myotis bechsteinii) to produce larger females that face a higher mortality risk. Here, we test whether these larger females are able to offset their elevated mortality risk by adopting a faster life history. We analysed an individual-based 25-year dataset from 331 RFID-tagged wild bats and combine genetic pedigrees with data on survival, reproduction and body size. We find that size-dependent fecundity and age at first reproduction drive the observed increase in mortality. Because larger females have an earlier onset of reproduction and shorter generation times, lifetime reproductive success remains remarkably stable across individuals with different body sizes. Our study demonstrates a rapid shift to a faster pace of life in a mammal with a slow life history.
Author: | Carolin Mundinger, Toni Fleischer, Alexander Scheuerlein, Gerald Kerth |
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URN: | urn:nbn:de:gbv:9-opus-104811 |
DOI: | https://doi.org/10.1038/s42003-022-03611-6 |
ISSN: | 2399-3642 |
Parent Title (English): | Communications Biology |
Publisher: | Nature Publishing Group |
Place of publication: | London |
Document Type: | Article |
Language: | English |
Date of first Publication: | 2022/07/09 |
Release Date: | 2024/01/18 |
Volume: | 5 |
Article Number: | 682 |
Page Number: | 8 |
Faculties: | Mathematisch-Naturwissenschaftliche Fakultät / Zoologisches Institut und Museum |
Collections: | Artikel aus DFG-gefördertem Publikationsfonds |
Licence (German): | Creative Commons - Namensnennung |