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Global root traits (GRooT) database

  • Nathaly R. Guerrero-Ramirez
  • , Liesje Mommer
  • , Gregoire T. Freschet
  • , Colleen M. Iversen
  • , M. Luke McCormack
  • , Jens Kattge
  • , Hendrik Poorter
  • , Fons van Der Plas
  • , Joana Bergmann
  • , Thom W. Kuyper
  • , Larry M. York
  • , Helge Bruelheide
  • , Daniel C. Laughlin
  • , Ina C. Meier
  • , Catherine Roumet
  • , Marina Semchenko
  • , Christopher J. Sweeney
  • , Jasper van Ruijven
  • , Oscar J. Valverde-Barrantes
  • , Isabelle Aubin
  • Jane A. Catford, Peter Manning, Adam Martin, Rubén Milla, Vanessa Minden, Juli G. Pausas, Stuart W. Smith, Nadejda A. Soudzilovskaia, Christian Ammer, Bradley Butterfield, Joseph Craine, Johannes H. C. Cornelissen, Franciska T. de Vries, Marney E. Isaac, Koen Kramer, Christian Koenig, Eric G. Lamb, Vladimir G. Onipchenko, Josep Peñuelas, Peter B. Reich, Matthias C. Rillig, Lawren Sack, Bill Shipley, Leho Tedersoo, Fernando Valladares, Peter van Bodegom, Patrick Weigelt, Justin P. Wright, Alexandra Weigelt
  • German Center for Integrative Biodiversity Research Halle-Jena-Leipzig
  • University of Göttingen
  • Wageningen University & Research
  • Université Paul Sabatier Toulouse III
  • Oak Ridge National Laboratory
  • Morton Arboretum
  • Jülich Research Centre
  • Max Planck Institute of Biochemistry
  • Leipzig University
  • Free University of Berlin
  • Berlin-Brandenburg Institute of Advanced Biodiversity Research
  • Noble Research Institute LLC
  • Martin Luther University Halle-Wittenberg
  • University of Wyoming
  • Université Paul-Valéry Montpellier III
  • University of Manchester
  • Florida International University
  • Canadian Forest Service
  • King's College London
  • Senckenberg Biodiversity and Climate Research Centre
  • University of Toronto
  • Universidad Rey Juan Carlos
  • University of Oldenburg
  • Vrije Universiteit Brussel
  • CSIC - Centro de Investigaciones sobre Desertificación (Spain)
  • Norwegian University of Science and Technology
  • Nanyang Technological University
  • Leiden University
  • Northern Arizona University
  • Jonah Ventures
  • Vrije Universiteit Amsterdam
  • University of Amsterdam
  • Humboldt University of Berlin
  • University of Saskatchewan
  • Lomonosov Moscow State University
  • Centre for Ecological Research and Forestry Applications
  • University of Minnesota
  • Western Sydney University
  • University of California at Los Angeles
  • Université de Sherbrooke
  • University of Tartu
  • National Museum of Natural Sciences
  • Duke University

Research output: Contribution to journalArticlepeer-review

Abstract

Motivation
Trait data are fundamental to the quantitative description of plant form and function. Although root traits capture key dimensions related to plant responses to changing environmental conditions and effects on ecosystem processes, they have rarely been included in large-scale comparative studies and global models. For instance, root traits remain absent from nearly all studies that define the global spectrum of plant form and function. Thus, to overcome conceptual and methodological roadblocks preventing a widespread integration of root trait data into large-scale analyses we created the Global Root Trait (GRooT) Database. GRooT provides ready-to-use data by combining the expertise of root ecologists with data mobilization and curation. Specifically, we (a) determined a set of core root traits relevant to the description of plant form and function based on an assessment by experts, (b) maximized species coverage through data standardization within and among traits, and (c) implemented data quality checks.

Main types of variables contained
GRooT contains 114,222 trait records on 38 continuous root traits.

Spatial location and grain
Global coverage with data from arid, continental, polar, temperate and tropical biomes. Data on root traits were derived from experimental studies and field studies.

Time period and grain
Data were recorded between 1911 and 2019.

Major taxa and level of measurement
GRooT includes root trait data for which taxonomic information is available. Trait records vary in their taxonomic resolution, with subspecies or varieties being the highest and genera the lowest taxonomic resolution available. It contains information for 184 subspecies or varieties, 6,214 species, 1,967 genera and 254 families. Owing to variation in data sources, trait records in the database include both individual observations and mean values.

Software format
GRooT includes two csv files. A GitHub repository contains the csv files and a script in R to query the database.
Original languageEnglish
Pages (from-to)25-37
JournalGlobal Ecology and Biogeography
Volume30
Issue number1
DOIs
Publication statusPublished - 9 Sept 2020
Externally publishedYes

Keywords

  • Belowground ecology
  • Functional biogeography
  • Macroecological studies
  • Plant form and function
  • Publicly-available database
  • Root traits

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