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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
The number of tree species on Earth
Proceedings of the National Academy of Sciences of the United States of America, Volume 119, No. 6, Article e2115329119, Year 2022
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Description
One of the most fundamental questions in ecology is how many species inhabit the Earth. However, due to massive logistical and financial challenges and taxonomic difficulties connected to the species concept definition, the global numbers of species, including those of important and well-studied life forms such as trees, still remain largely unknown. Here, based on global ground-sourced data, we estimate the total tree species richness at global, continental, and biome levels. Our results indicate that there are ∼73,000 tree species globally, among which ∼9,000 tree species are yet to be discovered. Roughly 40% of undiscovered tree species are in South America. Moreover, almost one-third of all tree species to be discovered may be rare, with very low populations and limited spatial distribution (likely in remote tropical lowlands and mountains). These findings highlight the vulnerability of global forest biodiversity to anthropogenic changes in land use and climate, which disproportionately threaten rare species and thus, global tree richness. © 2022 National Academy of Sciences. All rights reserved.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC8833151/bin/pnas.2115329119.sapp.pdf
Authors & Co-Authors
Cazzolla Gatti, Roberto
United States, West Lafayette
Purdue University
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Russian Federation, Tomsk
Tomsk State University
Reich, Peter B.
United States, Minneapolis
University of Minnesota Twin Cities
United States, Ann Arbor
University of Michigan, Ann Arbor
Australia, Penrith
Western Sydney University
Gamarra, Javier G.P.
Italy, Rome
Food and Agriculture Organization of the United Nations
Crowther, Thomas Ward
Switzerland, Zurich
Eth Zürich
Hui, Cang
South Africa, Stellenbosch
Stellenbosch University
South Africa, Muizenberg
African Institute for Mathematical Sciences
Morera, Albert
Spain, Lleida
Universitat de Lleida
Bastin, Jean François
Belgium, Liege
Université de Liège
de-Miguel, Sergio
Spain, Lleida
Universitat de Lleida
Nabuurs, Gert Jan (g J.).
Netherlands, Wageningen
Wageningen University & Research
Svenning, Jens Christian
Denmark, Aarhus
Aarhus Universitet
Serra-Diaz, Josep Maria
France, Champenoux
Silva
Merow, Cory
United States, Storrs
University of Connecticut
Enquist, Brian J.
United States, Tucson
The University of Arizona
Kamenetsky, Maria E.
United States, Madison
University of Wisconsin-madison
Lee, Junho
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Zhu, Jun
United States, Madison
University of Wisconsin-madison
Fang, Jinyun
China, Beijing
Chinese Academy of Sciences
Jacobs, Douglass Frederick
United States, West Lafayette
Purdue University
Pijanowski, Bryan Christopher
United States, West Lafayette
Purdue University
Banerjee, Arindam
United States, Urbana
University of Illinois Urbana-champaign
Giaquinto, Robert A.
United States, Minneapolis
University of Minnesota Twin Cities
Alberti, Giorgio
Italy, Udine
Università Degli Studi Di Udine
Italy, Bolzano
Free University of Bozen-bolzano
Zambrano, Angélica María Almeyda
United States, Gainesville
University of Florida
Alvarez-Davila, Esteban
Colombia, Bogota
Universidad Nacional de Colombia
Araujo-Murakami, Alejandro
Bolivia, Santa Cruz
Museo de Historia Natural Noel Kempff Mercado
Avitabile, Valerio
Belgium, Brussels
European Commission Joint Research Centre
Aymard, Gerardo Antonio C.
Unknown Affiliation
Balazy, Radomir
Poland, Warsaw
Instytut Badawczy Leŝnictwa
Baraloto, Christopher
United States, Miami
Florida International University
Barroso, J. Gonçalves
Brazil, Rio Branco
Universidade Federal do Acre
Bastian, Meredith L.
United States, Washington, D.c.
National Academy of Sciences
United States, Durham
Duke University
Birnbaum, Philippe
Unknown Affiliation
Bitariho, Robert
Uganda, Mbarara
Mbarara University of Science and Technology
Bogaert, Jan G.
Belgium, Liege
Université de Liège
Bongers, Frans J.M.
Netherlands, Wageningen
Wageningen University & Research
Bouriaud, Olivier
Romania, Suceava
Universitatea Stefan Cel Mare Din Suceava
Brancalion, Pedro Henrique Santin
Brazil, Sao Paulo
Universidade de São Paulo
Brearley, Francis Q.
United Kingdom, Manchester
Manchester Metropolitan University
Broadbent, Eben N.
United States, Gainesville
University of Florida
Bussotti, Filippo
Italy, Florence
Università Degli Studi Di Firenze
Castro, Wendeson
Brazil, Rio Branco
Universidade Federal do Acre
César, Ricardo Gomes
Brazil, Sao Paulo
Universidade de São Paulo
Češljar, Goran
Unknown Affiliation
Moscoso, Víctor Chama
Peru, Cusco
Universidad Nacional San Antonio Abad Del Cusco
Chen, Han Y.H.
Canada, Thunder Bay
Lakehead University
Cienciala, Emil
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Clark, Connie J.
United States, Durham
Duke University
Coomes, David Anthony
United Kingdom, Cambridge
University of Cambridge
Dayanandan, Selvadurai
Canada, Montreal
Centre de la Science de la Biodiversite du Quebec
Decuyper, Mathieu
Netherlands, Wageningen
Wageningen University & Research
Kenya, Nairobi
World Agroforestry Centre
Dee, Laura E.
United States, Santa Barbara
University of California, Santa Barbara
del Aguila-Pasquel, Jhon
Peru, Iquitos
Instituto de Investigaciones de la Amazonía Peruana
Derroire, Géraldine
France, Paris
Cirad
Djuikouo, Marie Noël Kamdem
Cameroon, Buea
University of Buea
van do, Tran
Viet Nam, Hanoi
Vietnamese Academy of Forest Sciences
Doležal, Jiří
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Czech Republic, Ceske Budejovice
Jihočeská Univerzita V Českých Budějovicích
Đorđević, Ilija D.
Unknown Affiliation
Engel, Julien
Unknown Affiliation
Fayle, Tom Maurice
United Kingdom, London
Queen Mary University of London
Feldpausch, Ted R.
United Kingdom, Exeter
University of Exeter
Fridman, Jonas K.
Sweden, Uppsala
Sveriges Lantbruksuniversitet
Harris, David J.
United Kingdom, Edinburgh
Royal Botanic Garden Edinburgh
Hemp, Andreas J.
Germany, Bayreuth
Universität Bayreuth
Hengeveld, Geerten M.
Netherlands, Wageningen
Wageningen University & Research
Herault, Bruno
France, Paris
Cirad
France, Montpellier
Forêts et Sociétés
Cote D'ivoire, Abidjan
Institut National Polytechnique Félix Houphouet-boigny
Herold, M.
Netherlands, Wageningen
Wageningen University & Research
Germany, Potsdam
Deutsches Geoforschungszentrum Gfz
Ibanez, Thomas T.
United States, Hilo
University of Hawaii at Hilo
Jagodziński, Andrzej M.
Poland, Warszawa
Polish Academy of Sciences
Jaroszewicz, Bogdan
Poland, Warsaw
University of Warsaw
Jeffery, Kathryn J.
United Kingdom, Stirling
University of Stirling
Johannsen, Vivian Kvist
Denmark, Copenhagen
Københavns Universitet
Jucker, Tommaso
United Kingdom, Bristol
University of Bristol
Kangur, Ahto
Estonia, Tartu
Eesti Maaülikool
Karminov, Viktor N.
Russian Federation, Moscow
Russian Academy of Sciences
Kartawinata, Kuswata
United States, Chicago
Field Museum of Natural History
Indonesia, Central Jakarta
Lembaga Ilmu Pengetahuan Indonesia
Kennard, Deborah K.
United States, Grand Junction
Colorado Mesa University
Kepfer-Rojas, Sebastian
Denmark, Copenhagen
Københavns Universitet
Keppel, Gunnar
Australia, Adelaide
University of South Australia
Khan, Mohammed Latif
India, Sagar
Dr. H. S. Gour Vishwavidyalaya Sagar
Khare, Pramod Kumar
India, Sagar
Dr. H. S. Gour Vishwavidyalaya Sagar
Kileen, Timothy J.
Bolivia, Santa Cruz
Museo de Historia Natural Noel Kempff Mercado
Korjus, Henn
Estonia, Tartu
Eesti Maaülikool
Kumar, Ashwani Lakshman
India, Ranchi
Central University of Jharkhand
Kumar, Ashwani
India, Sagar
Dr. H. S. Gour Vishwavidyalaya Sagar
Laarmann, Diana
Estonia, Tartu
Eesti Maaülikool
Labrière, Nicolas
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Lang, Mait
Estonia, Tartu
Eesti Maaülikool
Estonia, Tartu
Tartu Observatoorium
Lewis, Simon L.
United Kingdom, Leeds
University of Leeds
United Kingdom, London
University College London
Lukina, Natal’ya Vasil’evna Vasil’evna
Russian Federation, Moscow
Russian Academy of Sciences
Maitner, Brian S.
United States, Tucson
The University of Arizona
Malhi, Yadvinder Singh
United Kingdom, Oxford
University of Oxford
Marshall, Andrew Robert
Australia, Sippy Downs
University of the Sunshine Coast
United Kingdom, York
University of York
Martynenko, Olga V.
Russian Federation, Pushkino
All-russian Institute of Continuous Education in Forestry
Monteagudo-Mendoza, Abel L.
Peru, Cusco
Universidad Nacional San Antonio Abad Del Cusco
Ontikov, Petr V.
Unknown Affiliation
Ortiz-Malavasi, Edgar
Costa Rica, Cartago
Instituto Tecnológico de Costa Rica
Pallqui Camacho, Nadir Carolina
Peru, Cusco
Universidad Nacional San Antonio Abad Del Cusco
Paquette, Alain
Unknown Affiliation
Park, Minjee
United States, West Lafayette
Purdue University
Parthasarathy, Narayanaswamy
India, Puducherry
Pondicherry University
Peri, Pablo Luis
Argentina, Buenos Aires
Consejo Nacional de Investigaciones Científicas y Técnicas
Brazil, Natal
Universidade Federal do Rio Grande do Norte
Pétronelli, Pascal
France, Paris
Cirad
Pfautsch, Sebastian
Australia, Penrith
Western Sydney University
Phillips, Oliver L.
United Kingdom, Leeds
University of Leeds
Picard, Nicolas
Italy, Rome
Food and Agriculture Organization of the United Nations
France, Paris
Gip Ecofor
Piotto, Daniel
Brazil, Itabuna
Universidade Federal do Sul da Bahia
Poorter, L.
Netherlands, Wageningen
Wageningen University & Research
Poulsen, John R.
United States, Durham
Duke University
Pretzsch, Hans
Germany, Munich
Technische Universität München
Ramírez-Angulo, Hirma
Venezuela, Merida
Universidad de Los Andes, Merida
Rolim, Samir Gonçalves
Brazil, Itabuna
Universidade Federal do Sul da Bahia
Rovero, Francesco
Italy, Florence
Università Degli Studi Di Firenze
Italy, Trento
Museo Delle Scienze
Rutishauser, Ervan
Unknown Affiliation
Saikia, Purabi
India, Ranchi
Central University of Jharkhand
Salas-Eljatib, Christian
Chile, Temuco
Universidad de la Frontera
Chile, Santiago
Universidad de Chile
Schepaschenko, Dmitry
Russian Federation, Novosibirsk
Siberian Branch, Russian Academy of Sciences
Austria, Laxenburg
International Institute for Applied Systems Analysis, Laxenburg
Scherer-Lorenzen, Michael
Germany, Freiburg Im Breisgau
Universität Freiburg
Silveira, Marcos
Brazil, Rio Branco
Universidade Federal do Acre
Slik, Ferry
Brunei Darussalam, Bandar Seri Begawan
Universiti Brunei Darussalam
Sonké, Bonaventure
Cameroon, Yaounde
Université de Yaoundé I
Stereńczak, Krzysztof Jan
Poland, Warsaw
Instytut Badawczy Leŝnictwa
Svoboda, Miroslav
Czech Republic, Prague
Czech University of Life Sciences Prague
Taedoumg, Hermann Evariste
Cameroon, Yaounde
Université de Yaoundé I
Italy, Rome
Bioversity International
Tchebakova, Nadezhda M.
Russian Federation, Novosibirsk
Siberian Branch, Russian Academy of Sciences
Terborgh, John W.
United States, Gainesville
University of Florida
Australia, Townsville
James Cook University
Tikhonova, Elena V.
Russian Federation, Moscow
Russian Academy of Sciences
Torres-Lezama, Armando
Venezuela, Merida
Universidad de Los Andes, Merida
van der Plas, Fons
Germany, Leipzig
Universität Leipzig
Vasquez, R. V.
Peru, Oxapampa
Jardin Botanico de Missouri
Viana, Hélder Filipe Dos Santos
Portugal, Vila Real
University of Trás-os-montes and Alto Douro
Portugal, Viseu
Instituto Politécnico de Viseu
Vibrans, Alexander Christian
Brazil, Blumenau
Universidade Regional de Blumenau
Vilanova Torre, Emilio
United States, Berkeley
University of California, Berkeley
Vos, Vincent A.
Unknown Affiliation
Wang, Huafeng
China, Beijing
Ministry of Education of the People's Republic of China
White, Lee J.T.
Gabon, Libreville
Des Forêts
Gabon, Libreville
Institut de Recherche en Ecologie Tropicale
United Kingdom, Stirling
University of Stirling
Wiser, Susan K.
New Zealand, Lincoln
Manaaki Whenua – Landcare Research
Zawiła-Niedźwiecki, Tomasz
Poland, Warsaw
Coordination Center for Environmental Projects
Zemagho, Lise A.
Cameroon, Yaounde
Université de Yaoundé I
Zo-Bi, Irié Casimir
Cote D'ivoire, Abidjan
Institut National Polytechnique Félix Houphouet-boigny
Liang, Jingjing
United States, West Lafayette
Purdue University
Statistics
Citations: 97
Authors: 140
Affiliations: 113
Identifiers
Doi:
10.1073/pnas.2115329119
ISSN:
00278424