The global abundance of tree palms

Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens‐Christian, Affum‐Baffoe, Kofi, Aiba, Shin‐Ichiro, Almeida, Everton C., Almeida, Samuel S., Oliveira, Edmar Almeida, Álvarez‐Dávila, Esteban, Alves, Luciana F., Alvez‐Valles, Carlos Mariano, Carvalho, Fabrício Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragão, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean‐François, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Böhning‐Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Cerón Martínez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flávia R. C., Culmsee, Heike, David‐Higuita, Heriberto, Davidar, Priya, Aguila‐Pasquel, Jhon, Derroire, Géraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean‐Louis, Dourdain, Aurélie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Eurídice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah‐Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, K, Anitha, Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgård, Bente Bang, Kooyman, Robert, Labrière, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Peña, Jose Luis Marcelo, Marimon‐Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jérôme, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Núñez, Nurtjahya, Eddy, Araújo, R. Nazaré O., Onrizal, Onrizal, Palacios, Walter A., Palacios‐Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean‐Philippe, Qie, Lan, Quesada, Carlos A., Ramírez‐Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena‐Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustín Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi‐Manage, Ruwan, Salomão, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva‐Espejo, Javier E., Silveira, Marcos, Sonké, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stévart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres‐Lezama, Armando, Umunay, Peter, Uriarte, María, Gamarra, Luis Valenzuela, Bult, Martin, Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Célia Guimarães, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo‐Bi, Irié Casimir, Balslev, Henrik, and McGeoch, Melodie (2020) The global abundance of tree palms. Global Ecology and Biogeography, 29 (9). pp. 1495-1514.

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Abstract

Aim: Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily, morphologically and physiologically distinct from other trees, and these differences have important consequences for ecosystem services (e.g., carbon sequestration and storage) and in terms of responses to climate change. We quantified global patterns of tree palm relative abundance to help improve understanding of tropical forests and reduce uncertainty about these ecosystems under climate change.

Location: Tropical and subtropical moist forests.

Time period: Current

Major taxa studied: Palms (Arecaceae).

Methods: We assembled a pantropical dataset of 2,548 forest plots (covering 1,191 ha) and quantified tree palm (i.e., ≥10 cm diameter at breast height) abundance relative to co‐occurring non‐palm trees. We compared the relative abundance of tree palms across biogeographical realms and tested for associations with palaeoclimate stability, current climate, edaphic conditions and metrics of forest structure.

Results: On average, the relative abundance of tree palms was more than five times larger between Neotropical locations and other biogeographical realms. Tree palms were absent in most locations outside the Neotropics but present in >80% of Neotropical locations. The relative abundance of tree palms was more strongly associated with local conditions (e.g., higher mean annual precipitation, lower soil fertility, shallower water table and lower plot mean wood density) than metrics of long‐term climate stability. Life‐form diversity also influenced the patterns; palm assemblages outside the Neotropics comprise many non‐tree (e.g., climbing) palms. Finally, we show that tree palms can influence estimates of above‐ground biomass, but the magnitude and direction of the effect require additional work.

Conclusions: Tree palms are not only quintessentially tropical, but they are also overwhelmingly Neotropical. Future work to understand the contributions of tree palms to biomass estimates and carbon cycling will be particularly crucial in Neotropical forests.

Item ID: 65304
Item Type: Article (Research - C1)
ISSN: 1466-8238
Keywords: above‐ground biomass; abundance patterns; Arecaceae; local abiotic conditions; Neotropics; pantropical biogeography; tropical rainforest; wood density
Copyright Information: © 2020 The Authors. Global Ecology and Biogeography published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Date Deposited: 11 Dec 2020 06:50
FoR Codes: 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960899 Flora, Fauna and Biodiversity of Environments not elsewhere classified @ 100%
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