Geographic patterns of tree dispersal modes in Amazonia and their ecological correlates

Correa, Diego F., Stevenson, Pablo R., Umana, Maria Natalia, Coelho, Luiz de Souza, Lima Filho, Diogenes de Andrade, Salomao, Rafael P., do Amaral, Ieda Leao, Wittmann, Florian, de Almeida Matos, Francisca Dionizia, Castilho, Carolina, Phillips, Oliver L., Ernesto Guevara, Juan, Veiga Carim, Marcelo de Jesus, Magnusson, William E., Sabatier, Daniel, Molino, Jean-Francois, Irume, Mariana Victoria, Martins, Maria Pires, da Silva Guimaraes, Jose Renan, Banki, Olaf S., Fernandez Piedade, Maria Teresa, Pitman, Nigel C. A., Monteagudo Mendoza, Abel, Ramos, Jose Ferreira, Luize, Bruno Garcia, Moraes de Leao Novo, Evlyn Marcia, Nunez Vargas, Percy, Silva, Thiago Sanna Freire, Venticinque, Eduardo Martins, Manzatto, Angelo Gilberto, Costa Reis, Neidiane Farias, Terborgh, John W., Casula, Katia Regina, Honorio Coronado, Euridice N., Montero, Juan Carlos, Schongart, Jochen, Cardenas Lopez, Dairon, Costa, Flavia R. C., Quaresma, Adriano Costa, Zartman, Charles Eugene, Killeen, Timothy J., Marimon, Beatriz S., Marimon-Junior, Ben Hur, Vasquez, Rodolfo, Mostacedo, Bonifacio, Demarchi, Layon O., Feldpausch, Ted R., Assis, Rafael L., Baraloto, Christopher, Engel, Julien, Petronelli, Pascal, Castellanos, Hernan, de Medeiros, Marcelo Brilhante, Simon, Marcelo Fragomeni, Andrade, Ana, Camargo, Jose Luis, Laurance, Susan G. W., Laurance, William F., Rincon, Lorena Maniguaje, Schietti, Juliana, Sousa, Thaiane R., Farias, Emanuelle de Sousa, Lopes, Maria Aparecida, Magalhaes, Jose Leonardo Lima, Mendonca Nascimento, Henrique Eduardo, de Queiroz, Helder Lima, Aymard C, Gerardo A., Brienen, Roel, Cardenas Revilla, Juan David, Guimaraes Vieira, Ima Celia, Ladvocat Cintra, Bruno Barcante, Feitosa, Yuri Oliveira, Duivenvoorden, Joost F., Mogollon, Hugo F., Araujo-Murakami, Alejandro, Ferreira, Leandro Valle, Lozada, Jose Rafael, Comiskey, James A., de Toledo, Jose Julio, Damasco, Gabriel, Davila, Nallarett, Garcia-Villacorta, Roosevelt, Lopes, Aline, Vicentini, Alberto, Draper, Freddie C., Castano Arboleda, Nicolas, Cornejo Valverde, Fernando, Alonso, Alfonso, Dallmeier, Francisco, Gomes, Vitor H. F., Neill, David, de Aguiar, Daniel P. P., Arroyo, Luzmila, Carvalho, Fernanda Antunes, de Souza, Fernanda Coelho, do Amaral, Dario Dantas, Feeley, Kenneth J., Gribel, Rogerio, Pansonato, Marcelo Petratti, Barlow, Jos, Berenguer, Erika, Ferreira, Joice, Fine, Paul V. A., Guedes, Marcelino Carneiro, Jimenez, Eliana M., Licona, Juan Carlos, Penuela Mora, Maria Cristina, Villa Zegarra, Boris Eduardo, Ceron, Carlos, Fonty, Emile, Henkel, Terry W., Householder, John Ethan, Maas, Paul, Silveira, Marcos, Stropp, Juliana, Thomas, Raquel, Durgante, Flavia Machado, Baker, Tim R., Daly, Doug, Huamantupa-Chuquimaco, Isau, Milliken, William, Pennington, Toby, Paredes, Marcos Rios, Molina, Pardo, Fuentes, Alfredo, Klitgaard, Bente, Marcelo Pena, Jose Luis, Peres, Carlos A. ORCID: https://orcid.org/0000-0002-1588-8765, Silman, Miles R., Tello, J. Sebastian, Campelo, Wegliane, Chave, Jerome, Di Fiore, Anthony, Hilario, Renato Richard, Fernando Phillips, Juan, Rivas-Torres, Gonzalo, van Andel, Tinde R., von Hildebrand, Patricio, Pereira, Luciana de Oliveira, Barbosa, Edelcilio Marques, Barbosa, Flavia Rodrigues, de Matos Bonates, Luiz Carlos, Carpanedo, Rainiellen de Sa, Davila Doza, Hilda Paulette, Gomez, Ricardo Zarate, Gonzales, Therany, Gallardo Gonzales, George Pepe, Hoffman, Bruce, Junqueira, Andre Braga, Malhi, Yadvinder, de Andrade Miranda, Ires Paula, Mozombite Pinto, Linder Felipe, Prieto, Adriana, Rodrigues, Domingos de Jesus, Rudas, Agustin, Ruschel, Ademir R., Silva, Natalino, Vela, Cesar I. A., Antoine Vos, Vincent, Zent, Stanford, Zent, Eglee L., Noronha, Janaina Costa, Albuquerque, Bianca Weiss, Cano, Angela, Carrero Marquez, Yrma Andreina, Pedrosa Costa, Janaina Barbosa, Flores, Bernardo Monteiro, Galbraith, David, Holmgren, Milena, Kalamandeen, Michelle, Nascimento, Marcelo Trindade, Oliveira, Alexandre A., Ramirez-Angulo, Hirma, Rocha, Maira, Scudeller, Veridiana Vizoni, Sierra, Rodrigo, Tirado, Milton, van der Heijden, Geertje, Torre, Emilio Vilanova, Vriesendorp, Corine, Pombo, Maihyra Marina, Ahuite Reategui, Manuel Augusto, Baider, Claudia, Balslev, Henrik, Cardenas, Sasha, Fernanda Casas, Luisa, Farfan-Rios, William, Ferreira, Cid, Linares-Palomino, Reynaldo, Mendoza, Casimiro, Mesones, Italo, Torres-Lezama, Armando, Urrego Giraldo, Ligia Estela, Villarroel, Daniel, Zagt, Roderick, Alexander Parada, Germaine, Alexiades, Miguel N., de Oliveira, Edmar Almeida, Garcia-Cabrera, Karina, Hernandez, Lionel, Palacios Cuenca, Walter, Pansini, Susamar, Pauletto, Daniela, Ramirez Arevalo, Freddy, Sampaio, Adeilza Felipe, Valderrama Sandoval, Elvis H., Valenzuela Gamarra, Luis and ter Steege, Hans (2023) Geographic patterns of tree dispersal modes in Amazonia and their ecological correlates. Global Ecology and Biogeography, 32 (1). pp. 49-69. ISSN 1466-822X

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Abstract

Aim To investigate the geographic patterns and ecological correlates in the geographic distribution of the most common tree dispersal modes in Amazonia (endozoochory, synzoochory, anemochory and hydrochory). We examined if the proportional abundance of these dispersal modes could be explained by the availability of dispersal agents (disperser-availability hypothesis) and/or the availability of resources for constructing zoochorous fruits (resource-availability hypothesis). Time period Tree-inventory plots established between 1934 and 2019. Major taxa studied Trees with a diameter at breast height (DBH) >= 9.55 cm. Location Amazonia, here defined as the lowland rain forests of the Amazon River basin and the Guiana Shield. Methods We assigned dispersal modes to a total of 5433 species and morphospecies within 1877 tree-inventory plots across terra-firme, seasonally flooded, and permanently flooded forests. We investigated geographic patterns in the proportional abundance of dispersal modes. We performed an abundance-weighted mean pairwise distance (MPD) test and fit generalized linear models (GLMs) to explain the geographic distribution of dispersal modes. Results Anemochory was significantly, positively associated with mean annual wind speed, and hydrochory was significantly higher in flooded forests. Dispersal modes did not consistently show significant associations with the availability of resources for constructing zoochorous fruits. A lower dissimilarity in dispersal modes, resulting from a higher dominance of endozoochory, occurred in terra-firme forests (excluding podzols) compared to flooded forests. Main conclusions The disperser-availability hypothesis was well supported for abiotic dispersal modes (anemochory and hydrochory). The availability of resources for constructing zoochorous fruits seems an unlikely explanation for the distribution of dispersal modes in Amazonia. The association between frugivores and the proportional abundance of zoochory requires further research, as tree recruitment not only depends on dispersal vectors but also on conditions that favour or limit seedling recruitment across forest types.

Item Type:	Article
Uncontrolled Keywords:	amazonian rain forests,anemochory,dispersal agents,disperser-availability hypothesis,endozoochory,flooded forests,hydrochory,resource-availability hypothesis,synzoochory,terra-firme forests,seed-dispersal,climate-change,neotropical forests,fruit production,atlantic forest,scale patterns,woody-plants,size,diversity,defaunation,sdg 13 - climate action ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action
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
Depositing User:	LivePure Connector
Date Deposited:	21 Jun 2023 11:34
Last Modified:	25 Jun 2023 23:49
URI:	https://ueaeprints.uea.ac.uk/id/eprint/92453
DOI:	10.1111/geb.13596

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