Organic Soils: Formation, Classification and Environmental Changes Records in the Highlands of Southeastern Brazil

Eduardo Carvalho Silva Neto (), Marcondes Geraldo Coelho-Junior, Ingrid Horák-Terra, Thamyres Sabrina Gonçalves, Lúcia Helena Cunha Anjos and Marcos Gervasio Pereira
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Eduardo Carvalho Silva Neto: Graduate Program in Agronomy—Soil Science (PPGA-CS), Federal Rural University of Rio de Janeiro, Seropédica 23897-000, RJ, Brazil
Marcondes Geraldo Coelho-Junior: Graduate Program in Environmental and Forest Sciences (PPGCAF), Federal Rural University of Rio de Janeiro, Seropédica 23897-000, RJ, Brazil
Ingrid Horák-Terra: Institute of Agricultural Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Unaí 38610-000, MG, Brazil
Thamyres Sabrina Gonçalves: Institute of Agricultural Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Unaí 38610-000, MG, Brazil
Lúcia Helena Cunha Anjos: Graduate Program in Agronomy—Soil Science (PPGA-CS), Federal Rural University of Rio de Janeiro, Seropédica 23897-000, RJ, Brazil
Marcos Gervasio Pereira: Graduate Program in Agronomy—Soil Science (PPGA-CS), Federal Rural University of Rio de Janeiro, Seropédica 23897-000, RJ, Brazil

Sustainability, 2023, vol. 15, issue 4, 1-15

Abstract: Soils constitute the largest terrestrial carbon (C) pool, representing more than the sum of carbon contained in the atmosphere and vegetation. In this context, organic soils stand out, storing 21% of the global soil organic C stock in only 3% of the Earth’s land surface. Moreover, these soils are a key component in our climate system, biodiversity, water cycle and records of environmental changes. Organic soils require specific attention as they provide a large variety of ecosystem services, but also because of their vulnerability to climate change. In this paper, we present a review of terms and concepts related to organic soils, their formation, pedoenvironments, and taxonomic classification. We also present a synthesis of studies in the highlands of southeastern Brazil using these soils as records of environmental change.

Keywords: Histosols; Atlantic Forest; soil carbon (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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