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Compensatory recruitment allows amphibian population persistence in anthropogenic habitats

Hugo Cayuela, Benjamin Monod-Broca, Jean-François Lemaître, Aurélien Besnard, Jérôme M W Gippet, Benedikt R Schmidt, Antonio Romano, Thomas Hertach, Claudio Angelini, Stefano Canessa, Giacomo Rosa, Leonardo Vignoli (+50 others)
2022

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https://web.archive.org/web/20220921190838/https://boris.unibe.ch/172881/1/pnas.2206805119.pdf

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Habitat anthropization is a major driver of global biodiversity decline. Although most species are negatively affected, some benefit from anthropogenic habitat modifications by showing intriguing life-history responses. For instance, increased recruitment through higher allocation to reproduction or improved performance during early-life stages could compensate for reduced adult survival, corresponding to "compensatory recruitment". To date, evidence of compensatory recruitment in response to
more » ... bitat modification is restricted to plants, limiting understanding of its importance as a response to global change. We used the yellow-bellied toad (Bombina variegata), an amphibian occupying a broad range of natural and anthropogenic habitats, as a model species to test for and to quantify compensatory recruitment. Using an exceptional capture-recapture dataset composed of 21,714 individuals from 67 populations across Europe, we showed that adult survival was lower, lifespan was shorter, and actuarial senescence was higher in anthropogenic habitats, especially those affected by intense human activities. Increased recruitment in anthropogenic habitats fully offset reductions in adult survival, with the consequence that population growth rate in both habitat types was similar. Our findings indicate that compensatory recruitment allows toad populations to remain viable in human-dominated habitats and might facilitate the persistence of other animal populations in such environments.
doi:10.48350/172881 fatcat:y6l2sdvdcnb3peaax2flqwodwq
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Hugo Cayuela, Benjamin Monod-Broca, Jean-François Lemaître, Aurélien Besnard, Jérôme M W Gippet, Benedikt R Schmidt, Antonio Romano, Thomas Hertach, Claudio Angelini, Stefano Canessa, Giacomo Rosa, Leonardo Vignoli, Alberto Venchi, Marco Carafa, Filippo Giachi, Andrea Tiberi, Alena M Hantzschmann, Ulrich Sinsch, Emilie Tournier, Eric Bonnaire, Günter Gollmann, Birgit Gollmann, Annemarieke Spitzen-van der Sluijs, Holger Buschmann, Thierry Kinet, Arnaud Laudelout, Remi Fonters, Yoann Bunz, Marc Corail, Carlo Biancardi, Anna R Di Cerbo, Dominique Langlois, Jean-Marc Thirion, Laurent Bernard, Elodie Boussiquault, Florian Doré, Titouan Leclerc, Nadine Enderlin, Florian Laurenceau, Lucy Morin, Mégane Skrzyniarz, Mickael Barrioz, Yohan Morizet, Sam S Cruickshank, Julian Pichenot, Andreas Maletzky, Thibaut Delsinne, Dominik Henseler, Damien Aumaître, Miguel Gailledrat, Julien Moquet, Robert Veen, Peter Krijnen, Laurent Rivière, Matteo Trenti, Sonia Endrizzi, Paolo Pedrini, Marta Biaggini, Stefano Vanni, David Dudgeon, Jean-Michel Gaillard, Jean-Paul Léna. "Compensatory recruitment allows amphibian population persistence in anthropogenic habitats." (2022)