Sandra Bibiana Correa, Karold V. Coronado-Franco, Celine Jézéquel, Amanda Cantarute Rodrigues, Kristine O. Evans, Joshua J. Granger, Hans Ter Steege, Iêda Leão do Amaral, Luiz de Souza Coelho, Florian Wittmann, Francisca Dionízia de Almeida Matos, Diógenes de Andrade Lima Filho, Rafael P. Salomão, Carolina V. Castilho, Juan Ernesto Guevara, Marcelo de Jesus Veiga Carim, Oliver L. Phillips, Maria Teresa Fernandez Piedade, Layon O. Demarchi, Jochen Schöngart, Juan David Cardenas Revilla, Maria Pires Martins, Mariana Victória Irume, José Renan da Silva Guimarães, José Ferreira Ramos, Adriano Costa Quaresma, Nigel C. A. Pitman, Bruno Garcia Luize, Evlyn Márcia Moraes de Leão Novo, Eduardo Martins Venticinque, Thiago Sanna Freire Silva, Percy Núñez Vargas, Angelo Gilberto Manzatto, Neidiane Farias Costa Reis, John Terborgh, Katia Regina Casula, Euridice N. Honorio Coronado, Juan Carlos Montero, Abel Monteagudo Mendoza, Ted R. Feldpausch, Flávia Machado Durgante, Nicolás Castaño Arboleda, Beatriz S. Marimon, Ben Hur Marimon-Junior, Timothy J. Killeen, Rodolfo Vasquez, Bonifacio Mostacedo, Rafael L. Assis, Dário Dantas do Amaral, John Ethan Householder, Marcelo Fragomeni Simon, Marcelo Brilhante de Medeiros, Helder Lima de Queiroz, Maria Aparecida Lopes, José Leonardo Lima Magalhães, Pablo R. Stevenson, Bruno Barçante Ladvocat Cintra, Alejandro Araujo-Murakami, Tim R. Baker, Yuri Oliveira Feitosa, Hugo F. Mogollón, Joost F. Duivenvoorden, Leandro Valle Ferreira, José Julio de Toledo, James A. Comiskey, Aline Lopes, Gabriel Damasco, Alberto Vicentini, Fernando Cornejo Valverde, Vitor H. F. Gomes, Alfonso Alonso, Francisco Dallmeier, Daniel P. P. de Aguiar, Rogerio Gribel, Juan Carlos Licona, Boris Eduardo Villa Zegarra, Marcelino Carneiro Guedes, Carlos Cerón, Raquel Thomas, William Milliken, Wegliane Campelo, Bianca Weiss Albuquerque, Bente Klitgaard, J. Sebastián Tello, Alfredo Fuentes Claros, Gonzalo Rivas-Torres, Juan Fernando Phillips, Patricio von Hildebrand, Therany Gonzales, César I. A. Vela, Bruce Hoffman, Bernardo Monteiro Flores, Maihyra Marina Pombo, Maira Rocha, Milena Holmgren, Angela Cano, Maria Natalia Umaña, Luisa Fernanda Casas, Henrik Balslev, Ligia Estela Urrego Giraldo, Rémy Bigorne, Thierry Oberdorff, Javier A. Maldonado-Ocampo, Hernan Ortega, Max Hidalgo, Koen Martens, Gislene Torrente-Vilara, Jansen Zuanon, Astrid Acosta, Edwin Agudelo, Soraya Barrera Maure, Douglas A. Bastos, Juan Bogotá Gregory, Fernando G. Cabeceira, André L. C. Canto, Fernando M. Carvajal-Vallejos, Lucélia N. Carvalho, Ariana Cella-Ribeiro, Raphaël Covain, Murilo S. Dias, Carlos Donascimiento, Carolina R. C. Dória, Cleber Duarte, Efrem J. G. Ferreira, André V. Galuch, Tommaso Giarrizzo, Rafael P. Leitão, John G. Lundberg, Mabel Maldonado, José I. Mojica, Luciano F. A. Montag, William Ohara, Tiago H. S. Pires, Marc Pouilly, Saúl Prada-Pedreros, Luiz J. de Queiroz, Lucia Rapp Py-Daniel, Frank R. V. Ribeiro, Raúl Ríos Herrera, Marcelo Rodrigues dos Anjos, Igor Hister Lourenco, Jaime Sarmiento, Leandro M. Sousa, Lis F. Stegmann, Jonathan Valdiviezo-Rivera, Francisco Villa, Takayuki Yunoki, Pablo A. Tedesco
{"title":"Floodplain forests drive fruit-eating fish diversity at the Amazon Basin-scale","authors":"Sandra Bibiana Correa, Karold V. Coronado-Franco, Celine Jézéquel, Amanda Cantarute Rodrigues, Kristine O. Evans, Joshua J. Granger, Hans Ter Steege, Iêda Leão do Amaral, Luiz de Souza Coelho, Florian Wittmann, Francisca Dionízia de Almeida Matos, Diógenes de Andrade Lima Filho, Rafael P. Salomão, Carolina V. Castilho, Juan Ernesto Guevara, Marcelo de Jesus Veiga Carim, Oliver L. Phillips, Maria Teresa Fernandez Piedade, Layon O. Demarchi, Jochen Schöngart, Juan David Cardenas Revilla, Maria Pires Martins, Mariana Victória Irume, José Renan da Silva Guimarães, José Ferreira Ramos, Adriano Costa Quaresma, Nigel C. A. Pitman, Bruno Garcia Luize, Evlyn Márcia Moraes de Leão Novo, Eduardo Martins Venticinque, Thiago Sanna Freire Silva, Percy Núñez Vargas, Angelo Gilberto Manzatto, Neidiane Farias Costa Reis, John Terborgh, Katia Regina Casula, Euridice N. Honorio Coronado, Juan Carlos Montero, Abel Monteagudo Mendoza, Ted R. Feldpausch, Flávia Machado Durgante, Nicolás Castaño Arboleda, Beatriz S. Marimon, Ben Hur Marimon-Junior, Timothy J. Killeen, Rodolfo Vasquez, Bonifacio Mostacedo, Rafael L. Assis, Dário Dantas do Amaral, John Ethan Householder, Marcelo Fragomeni Simon, Marcelo Brilhante de Medeiros, Helder Lima de Queiroz, Maria Aparecida Lopes, José Leonardo Lima Magalhães, Pablo R. Stevenson, Bruno Barçante Ladvocat Cintra, Alejandro Araujo-Murakami, Tim R. Baker, Yuri Oliveira Feitosa, Hugo F. Mogollón, Joost F. Duivenvoorden, Leandro Valle Ferreira, José Julio de Toledo, James A. Comiskey, Aline Lopes, Gabriel Damasco, Alberto Vicentini, Fernando Cornejo Valverde, Vitor H. F. Gomes, Alfonso Alonso, Francisco Dallmeier, Daniel P. P. de Aguiar, Rogerio Gribel, Juan Carlos Licona, Boris Eduardo Villa Zegarra, Marcelino Carneiro Guedes, Carlos Cerón, Raquel Thomas, William Milliken, Wegliane Campelo, Bianca Weiss Albuquerque, Bente Klitgaard, J. Sebastián Tello, Alfredo Fuentes Claros, Gonzalo Rivas-Torres, Juan Fernando Phillips, Patricio von Hildebrand, Therany Gonzales, César I. A. Vela, Bruce Hoffman, Bernardo Monteiro Flores, Maihyra Marina Pombo, Maira Rocha, Milena Holmgren, Angela Cano, Maria Natalia Umaña, Luisa Fernanda Casas, Henrik Balslev, Ligia Estela Urrego Giraldo, Rémy Bigorne, Thierry Oberdorff, Javier A. Maldonado-Ocampo, Hernan Ortega, Max Hidalgo, Koen Martens, Gislene Torrente-Vilara, Jansen Zuanon, Astrid Acosta, Edwin Agudelo, Soraya Barrera Maure, Douglas A. Bastos, Juan Bogotá Gregory, Fernando G. Cabeceira, André L. C. Canto, Fernando M. Carvajal-Vallejos, Lucélia N. Carvalho, Ariana Cella-Ribeiro, Raphaël Covain, Murilo S. Dias, Carlos Donascimiento, Carolina R. C. Dória, Cleber Duarte, Efrem J. G. Ferreira, André V. Galuch, Tommaso Giarrizzo, Rafael P. Leitão, John G. Lundberg, Mabel Maldonado, José I. Mojica, Luciano F. A. Montag, William Ohara, Tiago H. S. Pires, Marc Pouilly, Saúl Prada-Pedreros, Luiz J. de Queiroz, Lucia Rapp Py-Daniel, Frank R. V. Ribeiro, Raúl Ríos Herrera, Marcelo Rodrigues dos Anjos, Igor Hister Lourenco, Jaime Sarmiento, Leandro M. Sousa, Lis F. Stegmann, Jonathan Valdiviezo-Rivera, Francisco Villa, Takayuki Yunoki, Pablo A. Tedesco","doi":"10.1073/pnas.2414416122","DOIUrl":null,"url":null,"abstract":"Unlike most rivers globally, nearly all lowland Amazonian rivers have unregulated flow, supporting seasonally flooded floodplain forests. Floodplain forests harbor a unique tree species assemblage adapted to flooding and specialized fauna, including fruit-eating fish that migrate seasonally into floodplains, favoring expansive floodplain areas. Frugivorous fish are forest-dependent fauna critical to forest regeneration via seed dispersal and support commercial and artisanal fisheries. We implemented linear mixed effects models to investigate drivers of species richness among specialized frugivorous fishes across the ~6,000,000 km <jats:sup>2</jats:sup> Amazon Basin, analyzing 29 species from 9 families (10,058 occurrences). Floodplain predictors per subbasin included floodplain forest extent, tree species richness (309,540 occurrences for 2,506 species), water biogeochemistry, flood duration, and elevation, with river order controlling for longitudinal positioning along the river network. We observed heterogeneous patterns of frugivorous fish species richness, which were positively correlated with floodplain forest extent, tree species richness, and flood duration. The natural hydrological regime facilitates fish access to flooded forests and controls fruit production. Thus, the ability of Amazonian floodplain ecosystems to support frugivorous fish assemblages hinges on extensive and diverse seasonally flooded forests. Given the low functional redundancy in fish seed dispersal networks, diverse frugivorous fish assemblages disperse and maintain diverse forests; vice versa, diverse forests maintain more fish species, underscoring the critically important taxonomic interdependencies that embody Amazonian ecosystems. Effective management strategies must acknowledge that access to diverse and hydrologically functional floodplain forests is essential to ensure the long-term survival of frugivorous fish and, in turn, the long-term sustainability of floodplain forests.","PeriodicalId":20548,"journal":{"name":"Proceedings of the National Academy of Sciences of the United States of America","volume":"45 1","pages":""},"PeriodicalIF":9.4000,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the National Academy of Sciences of the United States of America","FirstCategoryId":"103","ListUrlMain":"https://doi.org/10.1073/pnas.2414416122","RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MULTIDISCIPLINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Unlike most rivers globally, nearly all lowland Amazonian rivers have unregulated flow, supporting seasonally flooded floodplain forests. Floodplain forests harbor a unique tree species assemblage adapted to flooding and specialized fauna, including fruit-eating fish that migrate seasonally into floodplains, favoring expansive floodplain areas. Frugivorous fish are forest-dependent fauna critical to forest regeneration via seed dispersal and support commercial and artisanal fisheries. We implemented linear mixed effects models to investigate drivers of species richness among specialized frugivorous fishes across the ~6,000,000 km 2 Amazon Basin, analyzing 29 species from 9 families (10,058 occurrences). Floodplain predictors per subbasin included floodplain forest extent, tree species richness (309,540 occurrences for 2,506 species), water biogeochemistry, flood duration, and elevation, with river order controlling for longitudinal positioning along the river network. We observed heterogeneous patterns of frugivorous fish species richness, which were positively correlated with floodplain forest extent, tree species richness, and flood duration. The natural hydrological regime facilitates fish access to flooded forests and controls fruit production. Thus, the ability of Amazonian floodplain ecosystems to support frugivorous fish assemblages hinges on extensive and diverse seasonally flooded forests. Given the low functional redundancy in fish seed dispersal networks, diverse frugivorous fish assemblages disperse and maintain diverse forests; vice versa, diverse forests maintain more fish species, underscoring the critically important taxonomic interdependencies that embody Amazonian ecosystems. Effective management strategies must acknowledge that access to diverse and hydrologically functional floodplain forests is essential to ensure the long-term survival of frugivorous fish and, in turn, the long-term sustainability of floodplain forests.
期刊介绍：
The Proceedings of the National Academy of Sciences (PNAS), a peer-reviewed journal of the National Academy of Sciences (NAS), serves as an authoritative source for high-impact, original research across the biological, physical, and social sciences. With a global scope, the journal welcomes submissions from researchers worldwide, making it an inclusive platform for advancing scientific knowledge.
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