Indirect effects of habitat loss via habitat fragmentation: A cross-taxa analysis of forest-dependent species

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Püttker, Thomas, Crouzeilles, Renato, Almeida-Gomes, Mauricio, Schmoeller, Marina, Maurenza, Daniel, Alves-Pinto, Helena, Pardini, Renata, Vieira, Marcus V., Banks-Leite, Cristina, Fonseca, Carlos R., Metzger, Jean Paul, Accacio, Gustavo M., Alexandrino, Eduardo R., Barros, Camila S., Bogoni, Juliano A., Boscolo, Danilo, Brancalion, Pedro H. S., Bueno, Adriana A., Cambui, Elaine C.B., Canale, Gustavo R., Cerqueira, Rui, Cesar, Ricardo G., Colletta, Gabriel D., Delciellos, Ana C., Dixo, Marianna, Estavillo, Candelaria, Esteves, Carolina F., Falcão, Fábio, Farah, Fabiano T., Faria, Deborah, Ferraz, Katia M. P. M. B., Ferraz, Silvio F. B., Ferreira, Patricia A., Graipel, Mauricio E., Grelle, Carlos E. V., Hernández, Malva I. M., Ivanauskas, Natalia, Laps, Rudi R., Leal, Inara R., Lima, Marilia M., Lion, Marilia B., Magioli, Marcelo, Magnago, Luiz F. S., Mangueira, Julia R. A. S., Marciano-Jr, Euvaldo, Mariano-Neto, Eduardo, Marques, Marcia C. M., Martins, Sebastião V., Matos, Marlla A., Matos, Fabio A. R., Miachir, Jeanette I., Morante-Filho, José M., Olifiers, Natalie, Oliveira-Santos, Luiz G. R., Paciencia, Mateus L. B., Paglia, Adriano P., Passamani, Marcelo, Peres, Carlos A. ORCID: https://orcid.org/0000-0002-1588-8765, Pinto Leite, Clarissa M., Porto, Tiago J., Querido, Luciano C. A., Reis, Luciana C., Rezende, Andréia A., Rigueira, Dary M. G., Rocha, Pedro L. B., Rocha-Santos, Larissa, Rodrigues, Ricardo R., Santos, Rafael A. S., Santos, Juliana S., Silveira, Maxwell S., Simonelli, Marcelo, Tabarelli, Marcelo, Vasconcelos, Rodrigo N., Viana, Blandina F., Vieira, Emerson M. and Prevedello, Jayme A. (2020) Indirect effects of habitat loss via habitat fragmentation: A cross-taxa analysis of forest-dependent species. Biological Conservation, 241. ISSN 0006-3207

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Abstract

Recent studies suggest that habitat amount is the main determinant of species richness, whereas habitat fragmentation has weak and mostly positive effects. Here, we challenge these ideas using a multi-taxa database including 2230 estimates of forest-dependent species richness from 1097 sampling sites across the Brazilian Atlantic Forest biodiversity hotspot. We used a structural equation modeling approach, accounting not only for direct effects of habitat loss, but also for its indirect effects (via habitat fragmentation), on the richness of forest-dependent species. We reveal that in addition to the effects of habitat loss, habitat fragmentation has negative impacts on animal species richness at intermediate (30–60%) levels of habitat amount, and on richness of plants at high (>60%) levels of habitat amount, both of which are mediated by edge effects. Based on these results, we argue that dismissing habitat fragmentation as a powerful force driving species extinction in tropical forest landscapes is premature and unsafe.

Item Type: Article
Uncontrolled Keywords: amount hypothesis,atlantic forest,beta-diversity,biodiversity,brazilian atlantic forest,diversity patterns,edge,edge effects,habitat amount hypothesis,habitat fragmentation,habitat loss,hierarchical modeling,landscape-level,mammals,native vegetation,responses
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups: Faculty of Science > Research Groups > Environmental Biology
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Depositing User: LivePure Connector
Date Deposited: 06 Mar 2020 08:55
Last Modified: 20 Mar 2023 14:46
URI: https://ueaeprints.uea.ac.uk/id/eprint/74443
DOI: 10.1016/j.biocon.2019.108368

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