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

Correa, Diego F. and Stevenson, Pablo R. and Umaña, Maria Natalia and Coelho, Luiz de Souza and Lima Filho, Diógenes de Andrade and Salomão, Rafael P. and Amaral, Iêda Leão do and Wittmann, Florian and Matos, Francisca Dionízia de Almeida and Castilho, Carolina V. and Phillips, Oliver L. and Guevara, Juan Ernesto and Carim, Marcelo de Jesus Veiga and Magnusson, William E. and Sabatier, Daniel and Molino, Jean‐François and Irume, Mariana Victória and Martins, Maria Pires and Guimarães, José Renan da Silva and Bánki, Olaf S. and Piedade, Maria Teresa Fernandez and Pitman, Nigel C. A. and Monteagudo Mendoza, Abel and Ramos, José Ferreira and Luize, Bruno Garcia and Novo, Evlyn Márcia Moraes de Leão and Núñez Vargas, Percy and Silva, Thiago Sanna Freire and Venticinque, Eduardo Martins and Manzatto, Angelo Gilberto and Reis, Neidiane Farias Costa and Terborgh, John W. and Casula, Katia Regina and Honorio Coronado, Euridice N. and Montero, Juan Carlos and Schöngart, Jochen and Cárdenas López, Dairon and Costa, Flávia R. C. and Quaresma, Adriano Costa and Zartman, Charles Eugene and Killeen, Timothy J. and Marimon, Beatriz S. and Marimon‐Junior, Ben Hur and Vasquez, Rodolfo and Mostacedo, Bonifacio and Demarchi, Layon O. and Feldpausch, Ted R. and Assis, Rafael L. and Baraloto, Christopher and Engel, Julien and Petronelli, Pascal and Castellanos, Hernán and Medeiros, Marcelo Brilhante de and Simon, Marcelo Fragomeni and Andrade, Ana and Camargo, José Luís and Laurance, Susan G. W. and Laurance, William F. and Maniguaje Rincón, Lorena and Schietti, Juliana and Sousa, Thaiane R. and Farias, Emanuelle de Sousa and Lopes, Maria Aparecida and Magalhães, José Leonardo Lima and Nascimento, Henrique Eduardo Mendonça and Queiroz, Helder Lima de and Aymard C., Gerardo A. and Brienen, Roel and Cardenas Revilla, Juan David and Vieira, Ima Célia Guimarães and Cintra, Bruno Barçante Ladvocat and Feitosa, Yuri Oliveira and Duivenvoorden, Joost F. and Mogollón, Hugo F. and Araujo‐Murakami, Alejandro and Ferreira, Leandro Valle and Lozada, José Rafael and Comiskey, James A. and de Toledo, José Julio and Damasco, Gabriel and Dávila, Nállarett and García‐Villacorta, Roosevelt and Lopes, Aline and Vicentini, Alberto and Draper, Freddie C. and Castaño Arboleda, Nicolás and Cornejo Valverde, Fernando and Alonso, Alfonso and Dallmeier, Francisco and Gomes, Vitor H. F. and Neill, David and de Aguiar, Daniel P. P. and Arroyo, Luzmila and Carvalho, Fernanda Antunes and de Souza, Fernanda Coelho and Amaral, Dário Dantas do and Feeley, Kenneth J. and Gribel, Rogerio and Pansonato, Marcelo Petratti and Barlow, Jos and Berenguer, Erika and Ferreira, Joice and Fine, Paul V. A. and Guedes, Marcelino Carneiro and Jimenez, Eliana M. and Licona, Juan Carlos and Peñuela Mora, Maria Cristina and Villa Zegarra, Boris Eduardo and Cerón, Carlos and Fonty, Émile and Henkel, Terry W. and Householder, John Ethan and Maas, Paul and Silveira, Marcos and Stropp, Juliana and Thomas, Raquel and Durgante, Flávia Machado and Baker, Tim R. and Daly, Doug and Huamantupa‐Chuquimaco, Isau and Milliken, William and Pennington, Toby and Ríos Paredes, Marcos and Molina, Pardo and Fuentes, Alfredo and Klitgaard, Bente and Marcelo Peña, José Luis and Peres, Carlos A. and Silman, Miles R. and Tello, J. Sebastián and Campelo, Wegliane and Chave, Jerome and Di Fiore, Anthony and Hilário, Renato Richard and Phillips, Juan Fernando and Rivas‐Torres, Gonzalo and van Andel, Tinde R. and von Hildebrand, Patricio and Pereira, Luciana de Oliveira and Barbosa, Edelcilio Marques and Barbosa, Flávia Rodrigues and Bonates, Luiz Carlos de Matos and Carpanedo, Rainiellen de Sá and Dávila Doza, Hilda Paulette and Zárate Gómez, Ricardo and Gonzales, Therany and Gallardo Gonzales, George Pepe and Hoffman, Bruce and Junqueira, André Braga and Malhi, Yadvinder and Miranda, Ires Paula de Andrade and Mozombite Pinto, Linder Felipe and Prieto, Adriana and Rodrigues, Domingos de Jesus and Rudas, Agustín and Ruschel, Ademir R. and Silva, Natalino and Vela, César I. A. and Vos, Vincent Antoine and Zent, Stanford and Zent, Egleé L. and Noronha, Janaína Costa and Albuquerque, Bianca Weiss and Cano, Angela and Carrero Márquez, Yrma Andreina and Costa, Janaina Barbosa Pedrosa and Flores, Bernardo Monteiro and Galbraith, David and Holmgren, Milena and Kalamandeen, Michelle and Nascimento, Marcelo Trindade and Oliveira, Alexandre A. and Ramirez‐Angulo, Hirma and Rocha, Maira and Scudeller, Veridiana Vizoni and Sierra, Rodrigo and Tirado, Milton and van der Heijden, Geertje and Vilanova Torre, Emilio and Vriesendorp, Corine and Pombo, Maihyra Marina and Ahuite Reategui, Manuel Augusto and Baider, Cláudia and Balslev, Henrik and Cárdenas, Sasha and Casas, Luisa Fernanda and Farfan‐Rios, William and Ferreira, Cid and Linares‐Palomino, Reynaldo and Mendoza, Casimiro and Mesones, Italo and Torres‐Lezama, Armando and Urrego Giraldo, Ligia Estela and Villarroel, Daniel and Zagt, Roderick and Parada, Germaine Alexander and Alexiades, Miguel N. and de Oliveira, Edmar Almeida and Garcia‐Cabrera, Karina and Hernandez, Lionel and Palacios Cuenca, Walter and Pansini, Susamar and Pauletto, Daniela and Ramirez Arevalo, Freddy and Sampaio, Adeilza Felipe and Valderrama Sandoval, Elvis H. and 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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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.

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Journal Article
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Global Ecology and Biogeography
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28 Oct 2022 15:35
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17 Sep 2023 03:20