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A. and Demarchi, Layon O. and Schöngart, Jochen and de Leão Novo, Evlyn Márcia Moraes and Vargas, Percy Núñez and Silva, Thiago Sanna Freire and Venticinque, Eduardo Martins and Manzatto, Angelo Gilberto and Reis, Neidiane Farias Costa and Terborgh, John and Casula, Katia Regina and Honorio Coronado, Euridice N. and Mendoza, Abel Monteagudo and Montero, Juan Carlos and Costa, Flávia R. C. and Feldpausch, Ted R. and Quaresma, Adriano Costa and Arboleda, Nicolás Castaño and Zartman, Charles Eugene and Killeen, Timothy J. and Marimon, Beatriz S. and Marimon‐Junior, Ben Hur and Vasquez, Rodolfo and Mostacedo, Bonifacio and Assis, Rafael L. and Baraloto, Chris and do Amaral, Dário Dantas and Engel, Julien and Petronelli, Pascal and Castellanos, Hernán and de Medeiros, Marcelo Brilhante and Simon, Marcelo Fragomeni and Andrade, Ana and Camargo, José Luís and Laurance, William F. and Laurance, Susan G. 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A. and Guedes, Marcelino Carneiro and Levis, Carolina and Licona, Juan Carlos and Zegarra, Boris Eduardo Villa and Vos, Vincent Antoine and Cerón, Carlos and Durgante, Flávia Machado and Fonty, Émile and Henkel, Terry W. and Householder, John Ethan and Huamantupa‐Chuquimaco, Isau and Silveira, Marcos and Stropp, Juliana and Thomas, Raquel and Daly, Doug and Millike, William and Molina, Guido Pardo and Pennington, Toby and Vieira, Ima Célia Guimarães and Albuquerque, Bianca Weiss and Campelo, Wegliane and Fuentes, Alfredo and Klitgaard, Bente and Pena, José Luis Marcelo and Tello, J. Sebastián and Vriesendorp, Corine and Chave, Jerome and Di Fiore, Anthony and Hilário, Renato Richard and de Oliveira Pereira, Luciana and Phillips, Juan Fernando and Rivas‐Torres, Gonzalo and van Andel, Tinde R. and von Hildebrand, Patricio and Balee, William and Barbosa, Edelcilio Marques and de Matos Bonates, Luiz Carlos and Doza, Hilda Paulette Dávila and Gómez, Ricardo Zárate and Gonzales, Therany and Gonzales, George Pepe Gallardo and Hoffman, Bruce and Junqueira, André Braga and Malhi, Yadvinder and de Andrade Miranda, Ires Paula and Pinto, Linder Felipe Mozombite and Prieto, Adriana and Rudas, Agustín and Ruschel, Ademir R. and Silva, Natalino and Vela, César I. A. and Zent, Stanford and Zent, Egleé L. and Cano, Angela and Márquez, Yrma Andreina Carrero and Correa, Diego F. and Costa, Janaina Barbosa Pedrosa and Flores, Bernardo Monteiro and Galbraith, David and Holmgren, Milena and Kalamandeen, Michelle and Lobo, Guilherme and Montenegro, Luis Torres and Nascimento, Marcelo Trindade and Oliveira, Alexandre A. and Pombo, Maihyra Marina and Ramirez‐Angulo, Hirma and Rocha, Maira and Scudeller, Veridiana Vizoni and Umaña, Maria Natalia and van der Heijden, Geertje and Torre, Emilio Vilanova and Reategui, Manuel Augusto Ahuite 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 Parada, Germaine Alexander and Torres‐Lezama, Armando and Giraldo, Ligia Estela Urrego and Villarroel, Daniel and Zagt, Roderick and Alexiades, Miguel N. and de Oliveira, Edmar Almeida and Garcia‐Cabrera, Karina and Hernandez, Lionel and Cuenca, Walter Palacios and Pansini, Susamar and Pauletto, Daniela and Arevalo, Freddy Ramirez and Sampaio, Adeilza Felipe and Valderrama Sandoval, Elvis H. and Gamarra, Luis Valenzuela and Dexter, Kyle G. (2024) Geography and ecology shape the phylogenetic composition of Amazonian tree communities. Journal of Biogeography. ISSN 0305-0270
Full text not available from this repository.Abstract
Aim: Amazonia hosts more tree species from numerous evolutionary lineages, both young and ancient, than any other biogeographic region. Previous studies have shown that tree lineages colonized multiple edaphic environments and dispersed widely across Amazonia, leading to a hypothesis, which we test, that lineages should not be strongly associated with either geographic regions or edaphic forest types. Location: Amazonia. Taxon: Angiosperms (Magnoliids; Monocots; Eudicots). Methods: Data for the abundance of 5082 tree species in 1989 plots were combined with a mega‐phylogeny. We applied evolutionary ordination to assess how phylogenetic composition varies across Amazonia. We used variation partitioning and Moran's eigenvector maps (MEM) to test and quantify the separate and joint contributions of spatial and environmental variables to explain the phylogenetic composition of plots. We tested the indicator value of lineages for geographic regions and edaphic forest types and mapped associations onto the phylogeny. Results: In the terra firme and várzea forest types, the phylogenetic composition varies by geographic region, but the igapó and white‐sand forest types retain a unique evolutionary signature regardless of region. Overall, we find that soil chemistry, climate and topography explain 24% of the variation in phylogenetic composition, with 79% of that variation being spatially structured (R2 = 19% overall for combined spatial/environmental effects). The phylogenetic composition also shows substantial spatial patterns not related to the environmental variables we quantified (R2 = 28%). A greater number of lineages were significant indicators of geographic regions than forest types. Main Conclusion: Numerous tree lineages, including some ancient ones (>66 Ma), show strong associations with geographic regions and edaphic forest types of Amazonia. This shows that specialization in specific edaphic environments has played a long‐standing role in the evolutionary assembly of Amazonian forests. Furthermore, many lineages, even those that have dispersed across Amazonia, dominate within a specific region, likely because of phylogenetically conserved niches for environmental conditions that are prevalent within regions.