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dc.contributor.authorSerafy, J.-
dc.contributor.authorShideler, G.-
dc.contributor.authorAraújo, R.-
dc.contributor.authorNagelkerken, I.-
dc.identifier.citationPLoS One, 2015; 10(11):e0142022-1-e0142022-15-
dc.description.abstractSeveral studies conducted at the scale of islands, or small sections of continental coastlines, have suggested that mangrove habitats serve to enhance fish abundances on coral reefs, mainly by providing nursery grounds for several ontogenetically-migrating species. However, evidence of such enhancement at a regional scale has not been reported, and recently, some researchers have questioned the mangrove-reef subsidy effect. In the present study, using two different regression approaches, we pursued two questions related to mangrove-reef connectivity at the Caribbean regional scale: (1) Are reef fish abundances limited by mangrove forest area?; and (2) Are mean reef fish abundances proportional to mangrove forest area after taking human population density and latitude into account? Specifically, we tested for Caribbean-wide mangrove forest area effects on the abundances of 12 reef fishes that have been previously characterized as "mangrove-dependent". Analyzed were data from an ongoing, long-term (20-year) citizen-scientist fish monitoring program; coastal human population censuses; and several wetland forest information sources. Quantile regression results supported the notion that mangrove forest area limits the abundance of eight of the 12 fishes examined. Linear mixed-effects regression results, which considered potential human (fishing and habitat degradation) and latitudinal influences, suggested that average reef fish densities of at least six of the 12 focal fishes were directly proportional to mangrove forest area. Recent work questioning the mangrove-reef fish subsidy effect likely reflects a failure to: (1) focus analyses on species that use mangroves as nurseries, (2) consider more than the mean fish abundance response to mangrove forest extent; and/or (3) quantitatively account for potentially confounding human impacts, such as fishing pressure and habitat degradation. Our study is the first to demonstrate at a large regional scale (i.e., the Wider Caribbean) that greater mangrove forest size generally functions to increase the densities on neighboring reefs of those fishes that use these shallow, vegetated habitats as nurseries.-
dc.description.statementofresponsibilityJoseph E. Serafy, Geoffrey S. Shideler, Rafael J. Araújo, Ivan Nagelkerken-
dc.publisherPublic Library of Science-
dc.rightsThis is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication-
dc.subjectPopulation Density-
dc.subjectPopulation Dynamics-
dc.subjectCaribbean Region-
dc.subjectCoral Reefs-
dc.titleMangroves enhance reef fish abundance at the Caribbean regional scale-
dc.typeJournal article-
dc.identifier.orcidNagelkerken, I. [0000-0003-4499-3940]-
Appears in Collections:Aurora harvest 7
Ecology, Evolution and Landscape Science publications

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