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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
National science review
2026
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| Online Access: | https://pubmed.ncbi.nlm.nih.gov/41623561/ |
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Table of Contents:
- Analogous environments across the tropics have similar levels of tree species alpha diversity. Xiao, Shumei Adams, Jonathan M Li, Shufeng Slik, Ferry Griffith, Daniel M Quaresma, Adriano Sultana, Aisha Rozak, Andes Hamuraby Muñoz, Andres Avella Marshall, Andrew R Gabriel, Arellano Dar, Ashaq Ahmad Mansor, Asyraf Narayanan, Ayyappan Herault, Bruno Joly, Carlos Alfredo Piotto, Daniel Harris, David J Drake, Donald R Sheil, Douglas Rocha, Diogo S B de Oliveira, Eddie Lenza Nurtjahya, Eddy van den Berg, Eduardo Webb, Edward L Ibrahim, Faridah Hanum Saiter, Felipe Zamborlini Wittmann, Florian Ardila, Francisco Mora Durigan, Giselda Shukla, Gopal Ibarra-Manríquez, Guillermo Nagamasu, Hidetoshi Theilade, Ida Zo-Bi, Irie Casimir Huamantupa-Chuquimaco, Isau Rangel-Ch, J Orlando Grogan, James Dar, Javid Ahmad Schöngart, Jochen Herbohn, John Poulsen, John R Williams, John N Lovett, Jon De Alban, Jose Don Lozada, José Rafael Pinto, José Roberto Rodrigues Guevara-Andino, Juan Ernesto Cristóbal-Azkarate, Jurgi Homeier, Jürgen Böhning-Gaese, Katrin Hakeem, Khalid Rehman Feeley, Kenneth Tomlinson, Kyle W Rasingam, Ladan Demarchi, Layon Oreste Laumonier, Yves Alves, Luciana F Montenegro, Luis Torres Satdichanh, Manichanh Macía, Manuel J Tabarelli, Marcelo Suganuma, Marcio Seiji Ríos Paredes, Marcos Antonio Fernandez Piedade, Maria Teresa Schulze, Mark van de Bult, Mattheas Bastian, Meredith L Khan, Mohammed Latif Hussain, Mohammad Shah Kessler, Michael Lawes, Michael J Munguía-Rosas, Miguel A Parthasarathy, Narayanaswamy Seuaturian, Naret Kanda, Naveen Babu Jagadeesan, Naveenkumar Pitman, Nigel Onrizal, Onrizal Vetaas, Ole R Munishi, Pantaleo Chhang, Phourin Bispo, Polyanna da Conceição Zakaria, Rahmad Sukri, Rahayu Sukmaria Muthu, Rajkumar Prasad, Rama Chandra V S, Ramachandran Harrison, Rhett D Veridiano, Rizza Karen Steinmetz, Robert Chazdon, Robin L Tumaneng, Roven Gonçalves Rolim, Samir Garkoti, S C Báez, Selene Wich, Serge Mukul, Sharif A Joseph, Shijo Vieira, Simone Aparecida Muthuramkumar, S Sundarapandian, Somaiah Chakravarty, Sumit Kothandaraman, Subashree Wendt, Tânia Metzker, Thiago Whitfeld, Timothy Su, Tao Van Andel, Tinde R Hans, Verbeeck Arroyo-Rodríguez, Víctor Chutipong, Wanlop Laurance, William F Carrero, Yrma Andreina Zhou, Zhekun Different regions of the tropics vary in overall tree species diversity, with the tropical Americas exhibiting strikingly higher regional tree species richness than Africa and Southeast Asia. We investigated whether these differences also occur at the local scale and whether the environmental conditions associated with tree species richness are consistent across tropical regions despite highly dissimilar species pools. A spatial random forest model was trained by using a network of 429 1-hectare plots across the tropics, together with 24 environmental variables, to predict plot-level tree α diversity. A combination of climatic, soil and topographical variables explained ∼86% of the variation in richness. Despite differences in regional species pools and the potentially disruptive effects of different geological, climatic and evolutionary histories, the relationship between environmental variables and local-scale tree species richness is closely similar across different continents. Our findings imply a pervasive role of niche-based mechanisms in structuring local tree species richness, regardless of the regional species assemblages. This pantropical convergence in the richness-environment relationship poses a challenge for ecology to explain.