Tallo: a global tree allometry and crown architecture database

Jucker, Tommaso; Fischer, Fabian Jörg; Chave, Jérôme; Coomes, David A.; Caspersen, John; Ali, Arshad; Loubota Panzou, Grace Jopaul; Feldpausch, Ted R.; Falster, Daniel; Usoltsev, Vladimir A.; Adu‐Bredu, Stephen; Alves, Luciana F.; Aminpour, Mohammad; Angoboy, Ilondea B.; Anten, Niels P.R.; Antin, Cécile; Askari, Yousef; Muñoz, Rodrigo; Ayyappan, Narayanan; Balvanera, Patricia; Banin, Lindsay ORCID:; Barbier, Nicolas; Battles, John J.; Beeckman, Hans; Bocko, Yannick E.; Bond‐Lamberty, Ben; Bongers, Frans; Bowers, Samuel; Brade, Thomas; van Breugel, Michiel; Chantrain, Arthur; Chaudhary, Rajeev; Dai, Jingyu; Dalponte, Michele; Dimobe, Kangbéni; Domec, Jean‐Christophe; Doucet, Jean‐Louis; Duursma, Remko A.; Enríquez, Moisés; van Ewijk, Karin Y.; Farfán‐Rios, William; Fayolle, Adeline; Forni, Eric; Forrester, David I.; Gilani, Hammad; Godlee, John L.; Gourlet‐Fleury, Sylvie; Haeni, Matthias; Hall, Jefferson S.; He, Jie‐Kun; Hemp, Andreas; Hernández‐Stefanoni, José L.; Higgins, Steven I.; Holdaway, Robert J.; Hussain, Kiramat; Hutley, Lindsay B.; Ichie, Tomoaki; Iida, Yoshiko; Jiang, Hai‐sheng; Joshi, Puspa Raj; Kaboli, Hasan; Larsary, Maryam Kazempour; Kenzo, Tanaka; Kloeppel, Brian D.; Kohyama, Takashi; Kunwar, Suwash; Kuyah, Shem; Kvasnica, Jakub; Lin, Siliang; Lines, Emily R.; Liu, Hongyan; Lorimer, Craig; Loumeto, Jean‐Joël; Malhi, Yadvinder; Marshall, Peter L.; Mattsson, Eskil; Matula, Radim; Meave, Jorge A.; Mensah, Sylvanus; Mi, Xiangcheng; Momo, Stéphane; Moncrieff, Glenn R.; Mora, Francisco; Nissanka, Sarath P.; O'Hara, Kevin L.; Pearce, Steven; Pelissier, Raphaël; Peri, Pablo L.; Ploton, Pierre; Poorter, Lourens; Pour, Mohsen Javanmiri; Pourbabaei, Hassan; Dupuy‐Rada, Juan Manuel; Ribeiro, Sabina C.; Ryan, Casey; Sanaei, Anvar; Sanger, Jennifer; Schlund, Michael; Sellan, Giacomo; Shenkin, Alexander; Sonké, Bonaventure; Sterck, Frank J.; Svátek, Martin; Takagi, Kentaro; Trugman, Anna T.; Ullah, Farman; Vadeboncoeur, Matthew A.; Valipour, Ahmad; Vanderwel, Mark C.; Vovides, Alejandra G.; Wang, Weiwei; Wang, Li‐Qiu; Wirth, Christian; Woods, Murray; Xiang, Wenhua; Ximenes, Fabiano de Aquino; Xu, Yaozhan; Yamada, Toshihiro; Zavala, Miguel A.. 2022 Tallo: a global tree allometry and crown architecture database. Global Change Biology, 28 (17). 5254-5268.

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Data capturing multiple axes of tree size and shape, such as a tree's stem diameter, height and crown size, underpin a wide range of ecological research—from developing and testing theory on forest structure and dynamics, to estimating forest carbon stocks and their uncertainties, and integrating remote sensing imagery into forest monitoring programmes. However, these data can be surprisingly hard to come by, particularly for certain regions of the world and for specific taxonomic groups, posing a real barrier to progress in these fields. To overcome this challenge, we developed the Tallo database, a collection of 498,838 georeferenced and taxonomically standardized records of individual trees for which stem diameter, height and/or crown radius have been measured. These data were collected at 61,856 globally distributed sites, spanning all major forested and non-forested biomes. The majority of trees in the database are identified to species (88%), and collectively Tallo includes data for 5163 species distributed across 1453 genera and 187 plant families. The database is publicly archived under a CC-BY 4.0 licence and can be access from: To demonstrate its value, here we present three case studies that highlight how the Tallo database can be used to address a range of theoretical and applied questions in ecology—from testing the predictions of metabolic scaling theory, to exploring the limits of tree allometric plasticity along environmental gradients and modelling global variation in maximum attainable tree height. In doing so, we provide a key resource for field ecologists, remote sensing researchers and the modelling community working together to better understand the role that trees play in regulating the terrestrial carbon cycle.

Item Type: Publication - Article
Digital Object Identifier (DOI):
UKCEH and CEH Sections/Science Areas: Atmospheric Chemistry and Effects (Science Area 2017-)
ISSN: 1354-1013
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: allometric scaling, crown radius, forest biomass stocks, forest ecology, remote sensing, stem diameter, tree height
NORA Subject Terms: Ecology and Environment
Data and Information
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Date made live: 31 Oct 2023 09:48 +0 (UTC)

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