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Koch M, Manecke J, Burgard JP, Münnich R, Kugelschafter K, Kiefer A, Veith M. How weather triggers the emergence of bats from their subterranean hibernacula. Sci Rep 2023; 13:6344. [PMID: 37072427 PMCID: PMC10113228 DOI: 10.1038/s41598-023-32166-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 03/23/2023] [Indexed: 05/03/2023] Open
Abstract
Hibernation is one of the most important behaviours of bats of the temperate zone. During winter, when little food or liquid water is available, hibernation in torpor lowers metabolic costs. However, the timing of emergence from hibernation is crucial for the resumption of the reproductive process in spring. Here, we investigate the spring emergence of six bat species or pairs of bat species of the genera Myotis and Plecotus at five hibernation sites in Central Europe over 5 years. Using generalized additive Poisson models (GAPMs), we analyze the influence of weather conditions (air and soil temperature, atmospheric pressure, atmospheric pressure trend, rain, wind, and cloud cover) as predictors of bat activity and separate these extrinsic triggers from residual motivation to emerge from hibernation (extrinsic factors not studied; intrinsic motivation). Although bats in a subterranean hibernaculum are more or less cut off from the outside world, all species showed weather dependence, albeit to varying degrees, with air temperature outside the hibernaculum having a significant positive effect in all species. The residual, potentially intrinsic motivation of species to emerge from their hibernacula corresponds to their general ecological adaptation, such as trophic specialization and roosting preferences. It allows the definition of three functional groups (high, medium and low residual activity groups) according to the degree of weather dependence of spring activity. A better knowledge of the interplay of extrinsic triggers and residual motivation (e.g., internal zeitgebers) for spring emergence will help to understand the flexibility of a species to adapt to a changing world.
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Affiliation(s)
- Martin Koch
- Department of Biogeography, Trier University, Universitätsring 15, 54296 Trier, Germany
| | - Julia Manecke
- Economics and Social Statistics Department, Trier University, Universitätsring 15, 54296 Trier, Germany
| | - Jan Pablo Burgard
- Economics and Social Statistics Department, Trier University, Universitätsring 15, 54296 Trier, Germany
| | - Ralf Münnich
- Economics and Social Statistics Department, Trier University, Universitätsring 15, 54296 Trier, Germany
| | | | - Andreas Kiefer
- Department of Biogeography, Trier University, Universitätsring 15, 54296 Trier, Germany
- NABU Rhineland-Palatinate, 55118 Mainz, Germany
| | - Michael Veith
- Department of Biogeography, Trier University, Universitätsring 15, 54296 Trier, Germany
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Festa F, Ancillotto L, Santini L, Pacifici M, Rocha R, Toshkova N, Amorim F, Benítez-López A, Domer A, Hamidović D, Kramer-Schadt S, Mathews F, Radchuk V, Rebelo H, Ruczynski I, Solem E, Tsoar A, Russo D, Razgour O. Bat responses to climate change: a systematic review. Biol Rev Camb Philos Soc 2023; 98:19-33. [PMID: 36054527 PMCID: PMC10087939 DOI: 10.1111/brv.12893] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 01/13/2023]
Abstract
Understanding how species respond to climate change is key to informing vulnerability assessments and designing effective conservation strategies, yet research efforts on wildlife responses to climate change fail to deliver a representative overview due to inherent biases. Bats are a species-rich, globally distributed group of organisms that are thought to be particularly sensitive to the effects of climate change because of their high surface-to-volume ratios and low reproductive rates. We systematically reviewed the literature on bat responses to climate change to provide an overview of the current state of knowledge, identify research gaps and biases and highlight future research needs. We found that studies are geographically biased towards Europe, North America and Australia, and temperate and Mediterranean biomes, thus missing a substantial proportion of bat diversity and thermal responses. Less than half of the published studies provide concrete evidence for bat responses to climate change. For over a third of studied bat species, response evidence is only based on predictive species distribution models. Consequently, the most frequently reported responses involve range shifts (57% of species) and changes in patterns of species diversity (26%). Bats showed a variety of responses, including both positive (e.g. range expansion and population increase) and negative responses (range contraction and population decrease), although responses to extreme events were always negative or neutral. Spatial responses varied in their outcome and across families, with almost all taxonomic groups featuring both range expansions and contractions, while demographic responses were strongly biased towards negative outcomes, particularly among Pteropodidae and Molossidae. The commonly used correlative modelling approaches can be applied to many species, but do not provide mechanistic insight into behavioural, physiological, phenological or genetic responses. There was a paucity of experimental studies (26%), and only a small proportion of the 396 bat species covered in the examined studies were studied using long-term and/or experimental approaches (11%), even though they are more informative about the effects of climate change. We emphasise the need for more empirical studies to unravel the multifaceted nature of bats' responses to climate change and the need for standardised study designs that will enable synthesis and meta-analysis of the literature. Finally, we stress the importance of overcoming geographic and taxonomic disparities through strengthening research capacity in the Global South to provide a more comprehensive view of terrestrial biodiversity responses to climate change.
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Affiliation(s)
- Francesca Festa
- Laboratory of Emerging Viral Zoonoses, Research and Innovation Department, Istituto Zooprofilattico Sperimentale delle Venezie, 35020, Legnaro, Italy
| | - Leonardo Ancillotto
- Wildlife Research Unit, Dipartimento di Agraria, Università degli Studi di Napoli Federico II, via Università, 100, 80055, Portici, Napoli, Italy
| | - Luca Santini
- Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Viale dell'Università, 32, Rome, 00185, Italy
| | - Michela Pacifici
- Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Viale dell'Università, 32, Rome, 00185, Italy
| | - Ricardo Rocha
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, 4485-661, Vairão, Portugal.,CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017, Lisbon, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
| | - Nia Toshkova
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000, Sofia, Bulgaria.,National Museum of Natural History at the Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000, Sofia, Bulgaria
| | - Francisco Amorim
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, 4485-661, Vairão, Portugal.,CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017, Lisbon, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
| | - Ana Benítez-López
- Integrative Ecology Group, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas, Cartuja TA-10, Edificio I, C. Américo Vespucio, s/n, 41092, Sevilla, Spain.,Department of Zoology, Faculty of Sciences, University of Granada, Campus Universitario de Cartuja, Calle Prof. Vicente Callao, 3, 18011, Granada, Spain
| | - Adi Domer
- Department of Life Sciences, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva, 8410501, Israel
| | - Daniela Hamidović
- Ministry of Economy and Sustainable Development, Institute for Environment and Nature, Radnička cesta 80, HR-10000, Zagreb, Croatia.,Croatian Biospelological Society, Rooseveltov trg 6, HR-10000, Zagreb, Croatia
| | - Stephanie Kramer-Schadt
- Department of Ecological Dynamics, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany.,Institute of Ecology, Technische Universität Berlin, Rothenburgstr. 12, 12165, Berlin, Germany
| | - Fiona Mathews
- University of Sussex, John Maynard Smith Building, Falmer, Brighton, BN1 9RH, UK
| | - Viktoriia Radchuk
- Department of Ecological Dynamics, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany
| | - Hugo Rebelo
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, 4485-661, Vairão, Portugal.,CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017, Lisbon, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
| | - Ireneusz Ruczynski
- Mammal Research Institute Polish Academy of Sciences, Stoczek 1, 17-230, Białowieża, Poland
| | - Estelle Solem
- Department of Ecological Dynamics, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany
| | - Asaf Tsoar
- Israel Nature and Parks Authority, Southern District Omer Industrial Park, P.O. Box 302, Omer, Israel
| | - Danilo Russo
- Wildlife Research Unit, Dipartimento di Agraria, Università degli Studi di Napoli Federico II, via Università, 100, 80055, Portici, Napoli, Italy
| | - Orly Razgour
- Biosciences, University of Exeter, Streatham Campus, Hatherly Laboratories, Prince of Wales Road, Exeter, EX4 4PS, UK
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Andrews PT, Andrews MM, McOwat TP, Culyer P, Haycock RJ, Haycock AN, Harries DJ, Andrews NP, Stebbings RE. Foraging Time and Temperature Affected Birth Timing of Rhinolophus ferrumequinum and Predicted Year-To-Year Changes for 25 Years in a Population in West Wales, U.K. ACTA CHIROPTEROLOGICA 2022. [DOI: 10.3161/15081109acc2022.24.1.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Peter T. Andrews
- Department of Physics, Liverpool University, Liverpool L69 5BX, United Kingdom
| | - Margaret M. Andrews
- Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, United Kingdom
| | - Thomas P. McOwat
- 19 Parc Puw, Drefach Velindre, Llandysul, Wales, SA44 5UZ, United Kingdom
| | - Paul Culyer
- Natural Resources Wales, Stackpole, Wales, SA71 5DQ, United Kingdom
| | - Robert J. Haycock
- CCW, Stackpole, 1 Rushmoor Martletwy, Pembrokeshire, Wales, SA67 8BB, United Kingdom
| | - Ann N. Haycock
- 1 Rushmoor Martletwy, Pembrokeshire, Wales, SA67 8BB, United Kingdom
| | - David J. Harries
- Somerton Cottage, Hundleton, Pembrokeshire, Wales, SA71 5RX, United Kingdom
| | | | - Robert E. Stebbings
- ITE, Willowbrook House, 76 Park Street, King's Cliffe, Peterborough, PE8 6XN, United Kingdom
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