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This cookbook provides generic methodologies and the technical steps to produce a SOC map. This includes step-by-step guidance for developing 1 km grids for SOC stocks, as well as for the preparation of local soil data, the compilation and processing of ancillary spatial data sets, upscaling methodologies, and uncertainty assessments. Guidance is mainly specific to soil carbon data, but also contains many generic sections on soil grid development due to its relevance for other soil properties.
The main focus of the guidance is on the upscaling of SOC stocks in the GSOCMap and as such the cookbook supplements the “GSP Guidelines for sharing national data/information to compile a Global Soil Organic Carbon (GSOC) map”. It provides technical guidelines to prepare and evaluate spatial soil data sets to:
• Determine SOC stocks from local samples to a target depth of 30 cm;
• Prepare spatial covariates for upscaling; and
• Select and apply the best suitable upscaling methodology.


International aviation is responsible for 1.3 per cent of global anthropogenic CO2 emissions. Even considering the technological and operational improvements planned by the International Civil Aviation Organization, a gap of 523 megatonnes CO2 emissions remains to meet their set emission reduction targets. This informative note presents soil carbon sequestration as an option for offsetting this emissions through a market-based mechanism within the Carbon Offsetting and Reduction Scheme for International Aviation. Success stories of FAO projects such as the development and implementation of the Quesungual System in Honduras can enhance soil carbon stocks, thus mitigating increasing contents of greenhouse gases in the atmosphere and at the same time improving food security and climate change resilience.


Outcome Document of the Global Symposium on Soil Organic Carbon. The overall aim of the symposium was to review the role of soils and SOC in the context of climate change, sustainable development and land degradation neutrality (LDN). The three-day symposium was structured around three main themes focusing on the assessment of SOC, the maintenance and increase of SOC stocks, and SOC management in specific types of soil.


The publication was launched at the Global Symposium on Soil Organic Carbon (GSOC) held at FAO Hq (Rome, 21-23 March 2017). It provides an overview to decision-makers and practitioners of the main scientific facts and information regarding the current knowledge and knowledge gaps on SOC. It highlights how better information and good practices may be implemented to support ending hunger, adapting to and mitigating climate change and achieving overall sustainable development.


The Guidelines address sustainable management of soils as a means to the achievement of food security, climate adaptation/mitigation and Sustainable Development Goals 2.4 and 15.3. They promote the effective and viable maintenance and enhancement of the ecosystem services that soils provide serving as both a complementary tool fostering the implementation of the revised World Soil Charter and as a reference for a wide range of committed stakeholders

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