Frontiers in earth observation for global soil properties assessment linked to environmental and socio-economic factors
Status PubMed-not-MEDLINE Jazyk angličtina Země Spojené státy americké Médium electronic-ecollection
Typ dokumentu časopisecké články
PubMed
40979290
PubMed Central
PMC12447651
DOI
10.1016/j.xinn.2025.100985
PII: S2666-6758(25)00188-2
Knihovny.cz E-zdroje
- Klíčová slova
- carbon sequestration, digital soil mapping, remote sensing, soil health, soil security,
- Publikační typ
- časopisecké články MeSH
Soil has garnered global attention for its role in food security and climate change. Fine-scale soil-mapping techniques are urgently needed to support food, water, and biodiversity services. A global soil dataset integrated into an Earth observation system and supported by cloud computing enabled the development of the first global soil grid of six key properties at a 90-m spatial resolution. Assessing them from environmental and socio-economic perspectives, we demonstrated that 64% of the world's topsoils are primarily sandy, with low fertility and high susceptibility to degradation. These conditions limit crop productivity and highlight potential risks to food security. Results reveal that approximately 900 Gt of soil organic carbon (SOC) is stored up to 20 cm deep. Arid biomes store three times more SOC than mangroves based on total areas. SOC content in agricultural soils is reduced by at least 60% compared to soils under natural vegetation. Most agricultural areas are being fertilized while simultaneously experiencing a depletion of the carbon pool. By integrating soil capacity with economic and social factors, we highlight the critical role of soil in supporting societal prosperity. The top 10 largest countries in area per continent store 75% of the global SOC stock. However, the poorest countries face rapid organic matter degradation. We indicate an interconnection between societal growth and spatially explicit mapping of soil properties. This soil-human nexus establishes a geographically based link between soil health and human development. It underscores the importance of soil management in enhancing agricultural productivity and promotes sustainable-land-use planning.
5 V Dokuchaev Soil Science Institute Moscow 119017 Russia
Aristotle University of Thessaloniki 54124 Thessaloniki Greece
Center of Nuclear Energy in Agriculture University of São Paulo São Paulo 13416 903 Brazil
Centre for Earth Observation Science University of Manitoba Winnipeg R3T 2N2 Manitoba Canada
College of Environmental and Resource Sciences Zhejiang University Hangzhou 310058 China
Department of Civil Engineering Indian Institute of Science Bangalore Bengaluru 560012 India
Department of Soil Science Isfahan University of Technology Isfahan 84156 83111 Iran
Department of Soil Water and Ecosystem Sciences University of Florida Gainesville 32611 Florida USA
Department of Soils Federal University of Viçosa Avenue Peter Henry Rolfs Viçosa 36570 900 Brazil
GFZ Helmholtz Centre for Geosciences Telegrafenberg 14473 Potsdam Germany
ICAR National Bureau of Soil Survey and Land Use Planning Regional Centre Bangalore 560024 India
Indo French Cell for Water Sciences IRD Indian Institute of Science Bengaluru 560012 India
Institute of Agriculture Tokyo University of Agriculture and Technology Fuchu Tokyo 183 8509 Japan
Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 China
LISAH University Montpellier IRD INRAE Institut Agro AgroParisTech 34060 Montpellier France
National authority for remote sensing and space sciences NARSS Cairo Egypt
NSW Department of Climate Change Energy the Environment and Water Parramatta NSW 2150 Australia
Soils and Water Department Faculty of Agriculture Fayoum University Fayoum 63514 Egypt
Université Paris Saclay INRAE AgroParisTech UMR EcoSys 91120 Palaiseau France
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