One sixth of Amazonian tree diversity is dependent on river floodplains
John Ethan Householder,Florian Wittmann,Jochen Schongart,Maria Teresa Fernandez Piedade,Wolfgang J. Junk,Edgardo Manuel Latrubesse,Adriano Costa Quaresma,Layon O. Demarchi,Guilherme De S. Lobo,Daniel P. P. de Aguiar,Rafael L. Assis,Aline Lopes,Pia Parolin,Ieda Leao do Amaral,Luiz de Souza Coelho,Francisca Dionizia de Almeida Matos,Diogenes de Andrade Lima Filho,Rafael P. Salomao,Carolina V. Castilho,Juan Ernesto Guevara-Andino,Marcelo de Jesus Veiga Carim,Oliver L. Phillips,Dairon Cardenas Lopez,William E. Magnusson,Daniel Sabatier,Juan David Cardenas Revilla,Jean-Francois Molino,Mariana Victoria Irume,Maria Pires Martins,Jose Renan da Silva Guimaraes,Jose Ferreira Ramos,Domingos de Jesus Rodrigues,Olaf S. Banki,Carlos A. Peres,Nigel C. A. Pitman,Joseph E. Hawes,Everton Jose Almeida,Luciane Ferreira Barbosa,Larissa Cavalheiro,Marcia Cleia Vilela dos Santos,Bruno Garcia Luize,Evlyn Marcia Moraes de Leao Novo,Percy Nunez Vargas,Thiago Sanna Freire Silva,Eduardo Martins Venticinque,Angelo Gilberto Manzatto,Neidiane Farias Costa Reis,John Terborgh,Katia Regina Casula,Flavia R. C. Costa,Euridice N. Honorio Coronado,Abel Monteagudo Mendoza,Juan Carlos Montero,Ted R. Feldpausch,Gerardo A. Aymard C,Chris Baraloto,Nicolas Castano Arboleda,Julien Engel,Pascal Petronelli,Charles Eugene Zartman,Timothy J. Killeen,Lorena Maniguaje Rincon,Beatriz S. Marimon,Ben Hur Marimon-Junior,Juliana Schietti,Thaiane R. Sousa,Rodolfo Vasquez,Bonifacio Mostacedo,Dario Dantas do Amaral,Hernan Castellanos,Marcelo Brilhante de Medeiros,Marcelo Fragomeni Simon,Ana Andrade,Jose Luis Camargo,William F. Laurance,Susan G. W. Laurance,Emanuelle de Sousa Farias,Maria Aparecida Lopes,Jose Leonardo Lima Magalhaes,Henrique Eduardo Mendonca Nascimento,Helder Lima de Queiroz,Roel Brienen,Pablo R. Stevenson,Alejandro Araujo-Murakami,Tim R. Baker,Bruno Barcante Ladvocat Cintra,Yuri Oliveira Feitosa,Hugo F. Mogollon,Janaina Costa Noronha,Flavia Rodrigues Barbosa,Rainiellen de Sa Carpanedo,Joost F. Duivenvoorden,Miles R. Silman,Leandro Valle Ferreira,Carolina Levis,Jose Rafael Lozada,James A. Comiskey,Freddie C. Draper,Jose Julio de Toledo,Gabriel Damasco,Nallarett Davila,Roosevelt Garcia-Villacorta,Alberto Vicentini,Fernando Cornejo Valverde,Alfonso Alonso,Luzmila Arroyo,Francisco Dallmeier,Vitor H. F. Gomes,Eliana M. Jimenez,David Neill,Maria Cristina Penuela Mora,Fernanda Antunes Carvalho,Fernanda Coelho de Souza,Kenneth J. Feeley,Rogerio Gribel,Marcelo Petratti Pansonato,Marcos Rios Paredes,Jos Barlow,Erika Berenguer,Kyle G. Dexter,Joice Ferreira,Paul V. A. Fine,Marcelino Carneiro Guedes,Isau Huamantupa-Chuquimaco,Juan Carlos Licona,Toby Pennington,Boris Eduardo Villa Zegarra,Vincent Antoine Vos,Carlos Ceron,Emile Fonty,Terry W. Henkel,Paul Maas,Edwin Pos,Marcos Silveira,Juliana Stropp,Raquel Thomas,Doug Daly,William Milliken,Guido Pardo Molina,Ima Celia Guimaraes Vieira,Bianca Weiss Albuquerque,Wegliane Campelo,Thaise Emilio,Alfredo Fuentes,Bente Klitgaard,Jose Luis Marcelo Pena,Priscila F. Souza,J. Sebastian Tello,Corine Vriesendorp,Jerome Chave,Anthony Di Fiore,Renato Richard Hilario,Luciana de Oliveira Pereira,Juan Fernando Phillips,Gonzalo Rivas-Torres,Tinde R. van Andel,Patricio von Hildebrand,William Balee,Edelcilio Marques Barbosa,Luiz Carlos de Matos Bonates,Hilda Paulette Davila Doza,Ricardo Zarate Gomez,Therany Gonzales,George Pepe Gallardo Gonzales,Bruce Hoffman,Andre Braga Junqueira,Yadvinder Malhi,Ires Paula de Andrade Miranda,Linder Felipe Mozombite-Pinto,Adriana Prieto,Agustin Rudas,Ademir R. Ruschel,Natalino Silva,Cesar I. A. Vela,Stanford Zent,Eglee L. Zent,Angela Cano,Yrma Andreina Carrero Marquez,Diego F. Correa,Janaina Barbosa Pedrosa Costa,Bernardo Monteiro Flores,David Galbraith,Milena Holmgren,Michelle Kalamandeen,Marcelo Trindade Nascimento,Alexandre A. Oliveira,Hirma Ramirez-Angulo,Maira Rocha,Veridiana Vizoni Scudeller,Rodrigo Sierra,Milton Tirado,Maria Natalia Umana,Geertje van der Heijden,Emilio Vilanova Torre,Manuel Augusto Ahuite Reategui,Claudia Baider,Henrik Balslev,Sasha Cardenas,Luisa Fernanda Casas,William Farfan-Rios,Cid Ferreira,Reynaldo Linares-Palomino,Casimiro Mendoza,Italo Mesones,Germaine Alexander Parada,Armando Torres-Lezama,Ligia Estela Urrego Giraldo,Daniel Villarroel,Roderick Zagt,Miguel N. Alexiades,Edmar Almeida de Oliveira,Karina Garcia-Cabrera,Lionel Hernandez,Walter Palacios Cuenca,Susamar Pansini,Daniela Pauletto,Freddy Ramirez Arevalo,Adeilza Felipe Sampaio,Elvis H. Valderrama Sandoval,Luis Valenzuela Gamarra,Hans ter Steege
NATURE ECOLOGY & EVOLUTION（2024）
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摘要
Amazonia's floodplain system is the largest and most biodiverse on Earth. Although forests are crucial to the ecological integrity of floodplains, our understanding of their species composition and how this may differ from surrounding forest types is still far too limited, particularly as changing inundation regimes begin to reshape floodplain tree communities and the critical ecosystem functions they underpin. Here we address this gap by taking a spatially explicit look at Amazonia-wide patterns of tree-species turnover and ecological specialization of the region's floodplain forests. We show that the majority of Amazonian tree species can inhabit floodplains, and about a sixth of Amazonian tree diversity is ecologically specialized on floodplains. The degree of specialization in floodplain communities is driven by regional flood patterns, with the most compositionally differentiated floodplain forests located centrally within the fluvial network and contingent on the most extraordinary flood magnitudes regionally. Our results provide a spatially explicit view of ecological specialization of floodplain forest communities and expose the need for whole-basin hydrological integrity to protect the Amazon's tree diversity and its function.
