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Showing items 1 through 9 of 6.
  1. Library Resource
    Conference Papers & Reports
    December, 2015
    Northern 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

    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.

  2. Library Resource
    Institutional & promotional materials
    May, 2018
    Kenya, 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.

  3. Library Resource
    Journal Articles & Books
    December, 1977
    France, 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.

  4. Library Resource
    Journal Articles & Books
    October, 2016
    Burkina 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.

  5. Library Resource
    Journal Articles & Books
    January, 2010
    Madagascar

    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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