The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity

Julien Lamour; Shawn P Serbin; Alistair Rogers; Kelvin T Acebron; Elizabeth Ainsworth; Loren P Albert; Michael Alonzo; Jeremiah Anderson; Owen K Atkin; Nicolas Barbier; Mallory L Barnes; Carl J Bernacchi; Ninon Besson; Angela C Burnett; Joshua S Caplan; Jérôme Chave; Alexander W Cheesman; Ilona Clocher; Onoriode Coast; Sabrina Coste; Holly Croft; Boya Cui; Clément Dauvissat; Kenneth J Davidson; Christopher Doughty; Kim S Ely; John R Evans; Jean-Baptiste Féret; Iolanda Filella; Claire Fortunel; Peng Fu; Robert T Furbank; Maquelle Garcia; Bruno O Gimenez; Kaiyu Guan; Zhengfei Guo; David Heckmann; Patrick Heuret; Marney Isaac; Shan Kothari; Etsushi Kumagai; Thu Ya Kyaw; Liangyun Liu; Lingli Liu; Shuwen Liu; Joan Llusià; Troy Magney; Isabelle Maréchaux; Adam R Martin; Katherine Meacham-Hensold; Christopher M Montes; Romà Ogaya; Joy Ojo; Regison Oliveira; Alain Paquette; Josep Peñuelas; Antonia Debora Placido; Juan M Posada; Xiaojin Qian; Heidi J Renninger; Milagros Rodriguez-Caton; Andrés Rojas-González; Urte Schlüter; Giacomo Sellan; Courtney M Siegert; Viridiana Silva-Perez; Guangqin Song; Charles D Southwick; Daisy C Souza; Clément Stahl; Yanjun Su; Leeladarshini Sujeeun; To-Chia Ting; Vicente Vasquez; Amrutha Vijayakumar; Marcelo Vilas-Boas; Diane R Wang; Sheng Wang; Han Wang; Jing Wang; Xin Wang; Andreas P M Weber; Christopher y S Wong; Jin Wu; Fengqi Wu; Shengbiao Wu; Zhengbing Yan; Dedi Yang; Yingyi Zhao

doi:10.5194/essd-18-245-2026

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The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity

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The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity

Julien Lamour, Shawn P Serbin, Alistair Rogers, Kelvin T Acebron, Elizabeth Ainsworth, Loren P Albert, Michael Alonzo, Jeremiah Anderson, Owen K Atkin, Nicolas Barbier, …

Earth System Science Data, Vol.18(1), pp.245-265

09/01/2026

DOI: https://doi.org/10.5194/essd-18-245-2026

Résumé

Accurate assessment of leaf functional traits is crucial for a diverse range of applications from crop phenotyping to parameterizing global climate models. Leaf reflectance spectroscopy offers a promising avenue to advance ecological and agricultural research by complementing traditional, time-consuming gas exchange measurements. However, the development of robust hyperspectral models for predicting leaf photosynthetic capacity and associated traits from reflectance data has been hindered by limited data availability across species and environments. Here we introduce the Global Spectra-Trait Initiative (GSTI), a collaborative repository of paired leaf hyperspectral and gas exchange measurements from diverse ecosystems. The GSTI repository currently encompasses over 7500 observations from 397 species and 41 sites gathered from 36 published and unpublished studies, thereby offering a key resource for developing and validating hyperspectral models of leaf photosynthetic capacity. The GSTI database is developed on GitHub (https://github.com/plantphys/gsti, last access: 4 January 2026) and published to ESS-DIVE https://doi.org/10.15485/2530733, Lamour et al., 2025). It includes gas exchange data, derived photosynthetic parameters, and key leaf traits often associated with traditional gas exchange measurements such as leaf mass per area and leaf elemental composition. By providing a standardized repository for data sharing and analysis, we present a critical step towards creating hyperspectral models for predicting photosynthetic traits and associated leaf traits for terrestrial plants.

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Titre: The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity
Créateurs - sans rôle: Julien Lamour - Centre de Recherche sur la Biodiversité et l'Environnement
Shawn P Serbin - Goddard Space Flight Center
Alistair Rogers - Lawrence Berkeley National Laboratory
Kelvin T Acebron - Smithsonian Environmental Research Center
Elizabeth Ainsworth - University of Illinois Urbana-Champaign
Loren P Albert - Oregon State University
Michael Alonzo - American University
Jeremiah Anderson - Goddard Space Flight Center
Owen K Atkin - ARC Centre of Excellence in Plant Energy Biology
Nicolas Barbier - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Mallory L Barnes - Indiana University Bloomington
Carl J Bernacchi - University of Illinois Urbana-Champaign
Ninon Besson - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Angela C Burnett - European Medicines Agency
Joshua S Caplan - Temple University Ambler
Jérôme Chave - Université Fédérale de Toulouse Midi-Pyrénées
Alexander W Cheesman - James Cook University
Ilona Clocher - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Onoriode Coast - University of New England
Sabrina Coste - Ecologie des Forêts de Guyane
Holly Croft - Centre for Sustainable Energy
Boya Cui - University of Toronto
Clément Dauvissat - Institut de Recherche pour le Développement
Kenneth J Davidson - ForestGEO
Christopher Doughty - Northern Arizona University
Kim S Ely - Lawrence Berkeley National Laboratory
John R Evans - Australian National University
Jean-Baptiste Féret - Université de Montpellier
Iolanda Filella - Universitat Autònoma de Barcelona
Claire Fortunel - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Peng Fu - Louisiana State University
Robert T Furbank - Australian National University
Maquelle Garcia - Oregon State University
Bruno O Gimenez - Instituto Nacional de Pesquisas da Amazônia
Kaiyu Guan - University of Illinois Urbana-Champaign
Zhengfei Guo - University of Hong Kong
David Heckmann - Bayer (Germany)
Patrick Heuret - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Marney Isaac - University of Toronto
Shan Kothari - University of Alberta
Etsushi Kumagai - National Institute for Agro-Environmental Sciences
Thu Ya Kyaw - American University
Liangyun Liu - Aerospace Information Research Institute
Lingli Liu - Aerospace Information Research Institute
Shuwen Liu - University of Wisconsin–Madison
Joan Llusià - Universitat Autònoma de Barcelona
Troy Magney - Plant (United States)
Isabelle Maréchaux - Université de Montpellier, BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Adam R Martin - University of Toronto
Katherine Meacham-Hensold - University of Illinois Urbana-Champaign
Christopher M Montes - Urbana University
Romà Ogaya - Universitat Autònoma de Barcelona
Joy Ojo - University of New England
Regison Oliveira - Instituto Nacional de Pesquisas da Amazônia
Alain Paquette - Université du Québec à Montréal
Josep Peñuelas - Universitat Autònoma de Barcelona
Antonia Debora Placido - Instituto Nacional de Pesquisas da Amazônia
Juan M Posada - Universidad del Rosario
Xiaojin Qian - Nanjing University of Posts and Telecommunications
Heidi J Renninger - Mississippi State University
Milagros Rodriguez-Caton - University of California, Davis
Andrés Rojas-González - Universidad Nacional
Urte Schlüter - Heinrich Heine University Düsseldorf
Giacomo Sellan - AgroParisTech
Courtney M Siegert - Mississippi State University
Viridiana Silva-Perez - Australian National University
Guangqin Song - University of Hong Kong
Charles D Southwick - Oregon State University
Daisy C Souza - Instituto Nacional de Pesquisas da Amazônia
Clément Stahl - Ecologie des Forêts de Guyane
Yanjun Su - Institute of Botany
Leeladarshini Sujeeun - The Scarborough Hospital
To-Chia Ting
Vicente Vasquez - Department of Forestry
Amrutha Vijayakumar - University of New England
Marcelo Vilas-Boas - Instituto Nacional de Pesquisas da Amazônia
Diane R Wang - Purdue University West Lafayette
Sheng Wang - Aarhus University
Han Wang - Tsinghua University
Jing Wang - Sun Yat-sen University
Xin Wang - Institute of Botany
Andreas P M Weber - Cluster of Excellence on Plant Sciences
Christopher y S Wong - University of New Brunswick
Jin Wu - University of Hong Kong
Fengqi Wu - Institute of Botany
Shengbiao Wu - University of Hong Kong
Zhengbing Yan - Beijing Botanical Garden
Dedi Yang - Oak Ridge National Laboratory
Yingyi Zhao - University of Hong Kong
Détails de publication: Earth System Science Data, Vol.18(1), pp.245-265
Identifiants: 99181306609311
Unité académique: BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Langue: English
Type de ressource: Journal article
Champs locaux: hal-05453548