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.
Résultats de la recherche
Showing items 1 through 9 of 45.-
Library ResourceDocuments et rapports de conférencedécembre, 2015Afrique septentrionale, Égypte, Maroc, Soudan, Tunisie, Afrique orientale, Burundi, Djibouti, Érythrée, Éthiopie, Kenya, Madagascar, Malawi, Mozambique, Rwanda, Soudan du Sud, République-Unie de Tanzanie, Zambie, Zimbabwe, Afrique centrale, Angola, Cameroun, République centrafricaine, Tchad, Congo, République démocratique du Congo, Gabon, Afrique australe, Botswana, Lesotho, Namibie, Afrique du Sud, Eswatini, Afrique occidentale, Bénin, Burkina Faso, Ghana, Guinée, Côte d'Ivoire, Libéria, Mali, Mauritanie, Niger, Nigéria, Sénégal, Sierra Leone, Togo
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Library ResourceDocuments et rapports de conférencenovembre, 1970Ghana
The original and primary owners of lands in. Ghana are the stools or skins. Families and individuals do own lands, the original titles to which are derived from stools or skins- Before 1957, all lands of what was called the Northern Territories were held in trust for the chiefs of the Northern Territories try the Governor whilst Ashanti lands, having being occupied as a result of conquest, were British Crown lands.
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Library ResourceDocuments et rapports de conférencejuin, 1999Ghana, Afrique
In Ghana, over the years considerable amount of valuable environmental information (geospatial information included) have been collected in various forms and in different depths by government ministries, departments and agencies. A distributing feature of the availability of this information is the lack of general awareness of the existence of this valuable resource in repository agencies. Where they are known to exist, they are poorly stored or scattered in various places and mostly out of date.
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Library ResourceDocuments et rapports de conférenceoctobre, 1959Ghana
This paper focuses on the statistical field survey in Ghana office of the government statistician. Sample investigations in Ghana have shown a steady expansion, but it is only recently that it has been possible to propose plans for developing them as a permanent part of the statistics organization.
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Library ResourceDocuments et rapports de conférencedécembre, 2015Mali, Ghana, Afrique
Ever since the oil, financial and food crises of 2008, sub-Saharan Africa has witnessed a marked increase in large-scale investment in agricultural land. The drivers of this investment are varied and include growing food, water and energy insecurity as well as social and economic interests of investors and recipient countries. The shape of these investments and their eventual outcomes are equally influenced by the existing land and water governance systems in the host countries.
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Library ResourceDocuments et rapports de conférencedécembre, 2008Éthiopie, Ghana, Tunisie, Afrique
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Library ResourceDocuments et rapports de conférencenovembre, 2011Burkina Faso, Ghana, Afrique occidentale
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Library ResourceDocuments et rapports de conférencedécembre, 2012Népal, Ghana, Asie, Asie méridionale, Afrique, Afrique occidentale
Eco-toilets (human urine and faecal matter collected separately) are one of the best ways to solve sanitation problem, and this practice also improves the environment and increases the food production. This study focuses on experimental demonstration of use of urine, wood ash and poultry droppings (PD) as a fertilizer in central Nepal and in Accra, Ghana. In Nepal, Fertilizer value of urine+ash was compared with animal manure and no-fertilization in the cultivation of radish, potato, broadleaf mustard, auliflower and cabbage.
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Library ResourceDocuments et rapports de conférencedécembre, 2006Ghana, Afrique occidentale
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Library ResourceDocuments et rapports de conférencejuillet, 2011Burkina Faso, Ghana, Afrique occidentale
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