Global patterns of tree density are contingent upon local determinants in the world’s natural forests
2023
Madrigal-González, Jaime | Calatayud, Joaquín | Ballesteros-Cánovas, Juan | Escudero, Adrián | Cayuela, Luis | Marqués, Laura | Rueda, Marta | Ruiz-Benito, Paloma | Herrero, Asier | Aponte, Cristina | Sagardia, Rodrigo | Plumptre, Andrew | Dupire, Sylvain | Espinosa, Carlos | Tutubalina, Olga | Myint, Moe | Pataro, Luciano | López-Sáez, Jerome | Macía, Manuel | Abegg, Meinrad | Zavala, Miguel | Quesada-Román, Adolfo | Vega-Araya, Mauricio | Golubeva, Elena | Timokhina, Yuliya | Bañares de Dios, Guillermo | Granzow-de la Cerda, Íñigo | Stoffel, Markus | Université de Genève = University of Geneva (UNIGE) | National Research Centre for the Working Environment (NRCWE) | Universidad Rey Juan Carlos = Rey Juan Carlos University (URJC) | Centro Hospitalar do Porto | Universidad de Sevilla = University of Seville | Universidad de Alcalá [Alcalá de Henares, España] = University of Alcalá [Alcalá de Henares, Spain] = Université d'Alcalá [Alcalá de Henares, Espagne] (UAH) | University of Melbourne | Department of Zoology [Cambridge] ; University of Cambridge [UK] (CAM) | Laboratoire des EcoSystèmes et des Sociétés en Montagne (UR LESSEM) ; Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Observatoire des Sciences de l'Univers de Grenoble (Fédération OSUG)-Université Grenoble Alpes (UGA) | Universidad Técnica Particular de Loja (UTPL) | Lomonosov Moscow State University = Université d'État Lomonossov de Moscou [Moscou] (MSU) | Universidad Autónoma de Madrid (UAM) | Universidad de Costa Rica (UCR) | Universidad Nacional de Costa Rica | Institute for Environmental Sciences [Geneva] (ISE) ; Université de Genève = University of Geneva (UNIGE) | Research Commission of the Swiss National Park, Swiss Academy of Sciences SCNAT (project FLUCTREE- 02/2020)Ministerio de Ciencia e Innovación (Project UNIPER, PID2020-114851GA-100)Talento fellowships, Comunidad de Madrid (project INOVA-RISK, 2020-T1/AMB-19913 the European Social Fund managed by the Regional Government of Madrid (Remedinal TE-CM: S2018/EMT-4338)projects CGL2013-45634-P, CGL2016-75414-P, and PID2019-105064GB-I00Swiss National Science Foundation (PCEFP2_181115) and the Margarita Salas Postdoctoral Fellowship from Universidad deAlcalá (MIU, Spain). A.H. was supported by the Basque Country Government funding support to FisioClimaCO 2 (IT1682-22) research group. GBD was funded by the Spanish Ministry of Education (MINEDU; FPU14/05303) and the Regional Government of Madrid (Remedinal TE-CM: S2018/EMT-4338)
International audience
Mostrar más [+] Menos [-]Inglés. Previous attempts to quantify tree abundance at global scale have largely neglected the role of local competition in modulating the influence of climate and soils on tree density. Here, we evaluated whether mean tree size in the world’s natural forests alters the effect of global productivity on tree density. In doing so, we gathered a vast set of forest inventories including >3000 sampling plots from 23 well-conserved areas worldwide to encompass (as much as possible) the main forest biomes on Earth. We evidence that latitudinal productivity patterns of tree density become evident as large trees become dominant. Global estimates of tree abundance should, therefore, consider dependencies of latitudinal sources of variability on local biotic influences to avoid underestimating the number of trees on Earth and to properly evaluate the functional and social consequences.
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