Floodplain land cover affects biomass distribution of fish functional diversity in the Amazon River

Simple item page
dc.contributor.authorArantes, Caroline C.en
dc.contributor.authorWinemiller, Kirk O.en
dc.contributor.authorAsher, Alexen
dc.contributor.authorCastello, Leandroen
dc.contributor.authorHess, Laura L.en
dc.contributor.authorPetrere, Miguel, Jr.en
dc.contributor.authorFreitas, Carlos E. C.en
dc.contributor.departmentFish and Wildlife Conservationen
dc.date.accessioned2020-02-06T18:02:04Zen
dc.date.available2020-02-06T18:02:04Zen
dc.date.issued2019-11-13en
dc.description.abstractLand-cover change often shifts the distribution of biomass in animal communities. However, the effects of land-cover changes on functional diversity remain poorly understood for many organisms and ecosystems, particularly, for floodplains. We hypothesize that the biomass distribution of fish functional diversity in floodplains is associated with land cover, which would imply that fish traits affect behavioral and/or demographic responses to gradients of land cover. Using data from surveys of 462 habitats covering a range of land-cover conditions in the Amazon River floodplain, we fitted statistical models to explain landscape-scale variation in functional diversity and biomass of all fish species as well as subsets of species possessing different functional traits. Forest cover was positively associated with fish biomass and the strength of this relationship varied according to functional groups defined by life history, trophic, migration, and swimming-performance/microhabitat-use traits. Forty-two percent of the functional groups, including those inferred to have enhanced feeding opportunities, growth, and/or reproductive success within forested habitats, had greater biomass where forest cover was greater. Conversely, the biomass of other functional groups, including habitat generalists and those that directly exploit autochthonous food resources, did not vary significantly in relation to forest cover. The niche space occupied by local assemblages (functional richness) and dispersion in trait abundances (functional dispersion) tended to increase with forest cover. Our study supports the expectation that deforestation in the Amazon River floodplain affects not only fish biomass but also functional diversity, with some functional groups being particularly vulnerable.en
dc.description.notesThis work was supported by the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico -CNPq (grant numbers 563073/2010 and 200893/2012-2), Instituto de Desenvolvimento Sustentavel Mamiraua (IDSM), Applied Biodiversity Science Program (ABS/NSF-IGERT), Tom Slick Fellowship -Texas A&M University, Dissertation Fellowship -Texas A&M University, National Science Foundation (grant numbers 1639115 and 1257813) and the International Sportfish Fund via the Estate of George and Caroline Kelso. Habitat mapping was funded by NASA's Land Cover and Land Use Change program (grant number NNX12AD27G) and Interdisciplinary Research in Earth Sciences program (grant number NNX14AD29G). F. Merry and D. McGrath provided logistic support and J. A. de Oliveira, P. Batista, P. Vinhote, S. Laurido, K. Auzeir, L. Fernandes, V. Penuel, M. Gomes, E.M. Sousa, F. Sarmento, A.R. Picanco, L. Winemiller, D. Fitzgerald, D. Gurdak, K. Mandrekar, and several fishermen from local communities provided assistance with sample collection.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Cientifico e Tecnologico -CNPqNational Council for Scientific and Technological Development (CNPq) [563073/2010, 200893/2012-2]; Instituto de Desenvolvimento Sustentavel Mamiraua (IDSM); Applied Biodiversity Science Program (ABS/NSF-IGERT); Tom Slick Fellowship -Texas AM University; Dissertation Fellowship -Texas AM University; National Science FoundationNational Science Foundation (NSF) [1639115, 1257813]; International Sportfish Fund via the Estate of George and Caroline Kelso; NASA's Land Cover and Land Use Change programNational Aeronautics & Space Administration (NASA) [NNX12AD27G]; NASA's Interdisciplinary Research in Earth Sciences program [NNX14AD29G]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41598-019-52243-0en
dc.identifier.issn2045-2322en
dc.identifier.other16684en
dc.identifier.pmid31723146en
dc.identifier.urihttp://hdl.handle.net/10919/96744en
dc.identifier.volume9en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleFloodplain land cover affects biomass distribution of fish functional diversity in the Amazon Riveren
dc.title.serialScientific Reportsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
s41598-019-52243-0.pdf
Size:
3.37 MB
Format:
Adobe Portable Document Format
Description:
Download

Collections

Scholarly Works, Fish and Wildlife Conservation