World reference base for soil resources (WRB)

Stephan Mantel, Stefaan Dondeyne, Seppe Deckers

Research output: Chapter in Book/Report/Conference proceedingEntry for encyclopedia/dictionaryAcademic

11 Citations (Scopus)

Abstract

The World Reference Base (WRB) is an international soil classification system that evolved from the FAO–UNESCO Legend of the Soil Map of the World. It is intended to name both natural and human-made soils within the first two meters of the Earth's terrestrial surface. Soils are classified by diagnostic features, as in all modern classification systems. The WRB uses two hierarchical levels only: 32 Reference Soil Groups (RSGs) at the first level and an undetermined number at the second level as soils are named by combining the RSG with qualifiers. The WRB is continuously being tested and updated, with the latest edition presented in 2022 at the 22nd World Congress of Soil Science in Glasgow.

Original languageEnglish
Title of host publicationEncyclopedia of Soils in the Environment
EditorsMichael J. Goss, Margaret Oliver
PublisherElsevier
Pages206-217
Number of pages12
Volume4
Edition2
ISBN (Electronic)9780128229743
ISBN (Print)9780323951333
DOIs
Publication statusPublished - 2023

Keywords

  • Global soil resources
  • Reference soil groups
  • Soil classification
  • Soil mapping
  • Soil orders
  • Soil taxonomy

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