Land degradation and desertification are among the biggest environmental challenges of our time. In the last 40 years, we lost nearly a third of the world’s arable farmland due to erosion, just as the number of people to be fed from it almost doubled. That’s why the UN General Assembly declared 2015 as the International Year of Soils. And the good news is that this new report shows that while Africa remains the most severely a«ected region, the benefit of taking action across the continent outweighs the cost of implementing it: not just by a little, but by a factor of seven.
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Showing items 1 through 9 of 6.-
Library ResourceConference Papers & ReportsDecember, 2015Northern Africa, Egypt, Morocco, Sudan, Tunisia, Eastern Africa, Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Malawi, Mozambique, Rwanda, South Sudan, Tanzania, Zambia, Zimbabwe, Middle Africa, Angola, Cameroon, Central African Republic, Chad, Congo, Democratic Republic of the Congo, Gabon, Southern Africa, Botswana, Lesotho, Namibia, South Africa, Eswatini, Western Africa, Benin, Burkina Faso, Ghana, Guinea, Côte d'Ivoire, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Togo
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Library ResourceInstitutional & promotional materialsMay, 2018Kenya, Mozambique, Zambia, Madagascar, Germany, Tunisia, Africa
Pour la première fois, les besoins et les opportunités de restauration des terres dans le cadre de la Grande Muraille Verte africaine ont été cartographiés et quantifiés afin de promouvoir les actions visant à renforcer la résilience des populations et de ces paysages confrontés au changement climatique.
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Library ResourceJournal Articles & BooksDecember, 1977France, Nigeria, Spain, Zambia, Iraq, Australia, Côte d'Ivoire, Kenya, Jordan, Morocco, Syrian Arab Republic, Libya, Somalia, Madagascar, Tanzania, Botswana, Argentina, India, Sudan, Lebanon
There is a urgent need for a better understanding of the risks of soil degradation and their geographical distribution as well as a better knowledge of where degradation occurs at present. it would be desirable to combine soil conservation activities with other elements for increasing crop production.Erosion, salinity and alkalinity and the loss of soil fertility seriously reduce the natural potential of soils to produce food fibres. During the meeting, many criteria to assess the various types of soil degradation were outlined by the experts.
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Library ResourceJournal Articles & BooksDecember, 2003Angola, Burkina Faso, Mozambique, Ghana, Mali, Burundi, Zimbabwe, Eswatini, Canada, Congo, Djibouti, Sierra Leone, Malawi, Niger, Rwanda, Lesotho, Madagascar, Togo, Botswana, Gabon, Kenya, Africa
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Library ResourceJournal Articles & BooksOctober, 2016Burkina Faso, Mauritania, Mali, Australia, Ghana, Senegal, Niger, Kenya, Syrian Arab Republic, South Africa, Madagascar, Uzbekistan, Tanzania, Botswana, Kazakhstan, Cuba, Asia, Africa, Oceania
Les terres arides couvrent près de la moitié de la surface terrestre et abritent un tiers de la population mondiale. Elles sont confrontées à des défis hors du commun, notamment ceux posés par la désertification, la perte de biodiversité, la pauvreté, l’insécurité alimentaire et les changements climatiques. Quelque 20 pour cent des terres arides de la planète sont dégradées, et les personnes qui vivent sur ces terres sont souvent piégées dans un cercle vicieux de pauvreté, pratiques destructrices et détérioration de l’environnement.
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Library ResourceJournal Articles & BooksJanuary, 2010Madagascar
Environmental change and adaptation
in degraded agro-ecosystems: the case
of highland Madagascar
Jon Unruh*, Bill McConnell** and Joe Rodman†
Area (2010) 42.3, 359–368
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