land degradation and desertification pdf

Land Degradation And Desertification Pdf

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Land Degradation and Restoration

The following organisations and initiatives are leaders in the field of Land Degradation and Restoration. They have provided content, experts, and more to BES-Net. To learn more about a particular organization and the work they are doing click below. Search or browse through our library of existing resources on Land Degradation and Restoration.

Entries include scientific articles, reports, policy briefs, webinars, videos, and more. To view a particular resource, click below. These individuals are experts in the field of Land Degradation and Restoration. BES-Net experts come from a wide range of sectors, from community activists to research scientists.

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Tackling Land Degradation And Desertification. Document language:. Organization producing the document:. Thematic area:. Organisations and Initiatives The following organisations and initiatives are leaders in the field of Land Degradation and Restoration. View All. Search library Search or browse through our library of existing resources on Land Degradation and Restoration. Experts These individuals are experts in the field of Land Degradation and Restoration.

Forest and Lanscape Restoration Mechanism. Desertification: The Invisible Frontline. Land Degradation Neutrality; Resilience at local, national, and regional levels.

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The following organisations and initiatives are leaders in the field of Land Degradation and Restoration. They have provided content, experts, and more to BES-Net. To learn more about a particular organization and the work they are doing click below. Search or browse through our library of existing resources on Land Degradation and Restoration. Entries include scientific articles, reports, policy briefs, webinars, videos, and more. To view a particular resource, click below.

Land Degradation, Desertification and Food Security in India

Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. This is considered to be an important topic of the 21st century due to the implications land degradation has upon agricultural productivity , the environment, and its effects on food security. According to the Special Report on Climate Change and Land of the Intergovernmental Panel on Climate Change : "About a quarter of the Earth's ice-free land area is subject to human-induced degradation medium confidence. Soil erosion from agricultural fields is estimated to be currently 10 to 20 times no tillage to more than times conventional tillage higher than the soil formation rate medium confidence. The United Nations Sustainable Development Goal 15 has a target to restore degraded land and soil and achieve a land degradation-neutral world by

University of Dodoma , Tanzania. Land degradation which is caused by multiple forces—extreme weather conditions and anthropogenic activities that pollute or degrade the quality of soils and land utility—negatively affects food production, livelihoods, and the provision of other ecosystem goods and services. Land degradation can also lead to climate change and affect human health. The problem is more pronounced in leas The problem is more pronounced in least developing countries due to overdependence of natural resources for survival.

Land Degradation, Desertification and Food Security in India

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Desertification is a type of land degradation in drylands in which biological productivity is lost due to natural processes or induced by human activities whereby fertile areas become increasingly arid. Throughout geological history, the development of deserts has occurred naturally; however, when deserts emerge due to unchecked depletion of nutrients in soil that are essential for it to remain arable, then a virtual "soil death" can be spoken of, [5] which traces its cause back to human overexploitation. Desertification is a significant global ecological and environmental problem with far-reaching socio-economic and political consequences. As recently as , considerable controversy existed over the proper definition of the term "desertification. However, this original understanding that desertification involved the physical expansion of deserts has been rejected as the concept has evolved. There exists also controversy around the sub-grouping of types of desertification, including, for example, the validity and usefulness of such terms as "man-made desert" and "non-pattern desert". The world's most noted deserts have been formed by natural processes interacting over long intervals of time.

This leaves their soils less able to support crops, livestock and wildlife. The report, written by hundreds of scientists and researchers from across the world, dedicates one of its seven chapters solely to the issue of desertification. Ahead of the report, Carbon Brief looks at what desertification is, the role that climate change plays and what impact it is having around the world. The Convention itself was a response to a call at the UN Earth Summit in Rio de Janeiro in to hold negotiations for an international legal agreement on desertification. The opening section of Article 1 of the United Nations Convention to Combat Desertification, which was adopted in and came into force in Source: United Nations Treaty Collection. So, rather than desertification meaning the literal expansion of deserts, it is a catch-all term for land degradation in water-scarce parts of the world.

Soil Use. Published in: Eswaran, H. Lal and P. Land degradation: an overview.

5 comments

Sam S.

PDF | This paper seeks to provide an overview of the relationships between food insecurity, land degradation and desertification, and its antithesis, | Find, read.

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Ramicenra

Desertification and land degradation are gradually reducing the capacity of ecosystems in affected regions to sustain life.

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Christie J.

Attention to land degradation and environmental pollution has increased significantly in the past 25 years, largely due to greater levels of international cooperation and recognition that local changes in land resources have global impacts.

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Denis G.

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