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BookletGlobal Symposium on Salt-Affected Soils: Outcome document 2022
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No results found.The GSAS21 was held virtually on the Zoom platform on 20-22 October 2021 and was attended by over 4 000 participants. The objective of the symposium was to combine science, policy, and practice to evaluate the issues related to salt-affected soils and to formulate a strategy for the implementation of Voluntary Guidelines for Sustainable Soil Management in the areas affected by salinity and sodicity. The GSAS21 symposium was structured around three main themes focusing on: 1) Assessment, mapping, and monitoring of salt-affected soils; 2) Integrated soil – water – crop solutions in rehabilitation and management of salt-affected areas; 3) Agenda for action to prevent and rehabilitate salt-affected soils, protect natural saline and sodic soils, and scale-up sustainable soil management practices. The fourth session on testimonies from the field was organized to showcase the good practices illustrating the rehabilitation and sustainable use of salt-affected soils. The symposium included more than 70 oral presentations, presented over 17 hours of parallel sessions. Recordings of the presentations can be accessed via . In addition, 58 posters were open for public voting during the GSAS. Over 67 000 votes have been received which helped identify three winners of the poster session. The posters are available from . The recommendations presented in this document aim to support decision-making and innovative actions to minimize the challenges posed by soil salinity and sodicity, thereby assisting in the augmentation of global food security and ecosystem protection through salt-affected soils management in impacted regions. -
BookletLesson 1 – Requirements and preparation for national mapping of salt-affected soils
Global Soil Salinity Map (GSS map)
2020Also available in:
This Lesson is the first step of the capacity-building program, which is designed to build nation capacities as well as harmonize procedures for developing information of salt-affected soils at the national and global levels. The overall goal of this Lesion is to support participants in preparing input data and computing requirements for assessing salt-affected soils at the national level. At the end of the lesson, the participants are expected to have well-developed operational database and tools for mapping salt-affected soils in their countries. -
Brochure, flyer, fact-sheetGlobal map of salt-affected soils
GSASmap v1.0
2021Also available in:
No results found.Naturally saline or sodic soils host valuable ecosystems, including a range of rare plants, that are adapted to extreme conditions. However, salt-affected soils may develop quickly in response to human activities. Soils may thus become affected by salinity and sodicity due to inappropriate management or through saline water intrusion from sea, river, or groundwater and undergo a rapid decline of health, losing their capacity for biomass production, natural filtration, carbon sequestration, and other necessary ecosystem functions. The Global map of salt-affected soils (GSASmap) is an important tool for identifying salt-affected soils where sustainable soil management practices should be adopted to halt salinization and a foundation for launching a monitoring framework to track soil salinization and sodification and move into early detection and management.
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