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Collection: African environment collection

African environment collection
African environment collection
Assorted graphics, on issues related to environment and livelihoods in Africa
Catches in the Mauritania Exclusive Economic Zone (EEZ) 1950-2002
Marine fisheries represent a significant, but finite, natural resource for coastal countries. For some countries like Mauritania, the majority of the catches belong to international fleets. This represents a significant ...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Nigeria and the freshwater challenge
Out of the total precipitation reaching Nigeria, it can be separated into green and blue water. Green water (79% of the precipitation) represents the fraction of rainfall that generates soil moisture and which supports t...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Coastal issues in the islands of Comoros and Mayotte
With poverty and high population density this group of volcanic islands between Eastern Africa and Madagascar faces challenges in the management of the coastal environment. The islands are fringed by magnificent coral re...
23 Feb 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Woodfuel and energy consumption
Biomass, primarily woodfuel, is the major source of energy in Sub-Saharan Africa, with the exception of South Africa. Over 90% of the total energy consumption is biomass in Ethiopia, DPR Congo and Tanzania. Projections e...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Current and potential arable land use in Africa
Out of the total land area in Africa, only a fraction is used for arable land. Using soil, land cover and climatic characteristics a FAO study has estimated the potential land area for rainfed crops, excluding built up a...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Catches in the Mauritania Exclusive Economic Zone (EEZ) 1950-2002
Marine fisheries represent a significant, but finite, natural resource for coastal countries. The majority of the catches in some of the areas of the coast are not primarily by the coastal countries, but rather as in thi...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Agriculture in Africa, value added out of GDP
For the future of Africa, agriculture remains one of the most important issues. A majority of the population, especially outside urban areas, are involved in agriculture, and food security is one of the most important is...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Gender equality and empowerment of women: eliminate differences in education
In increasing living standards, sustainability and livelihoods and eliminating poverty, gender equality and education are seen as some of the main means. This is further recognized in the Millennium Development Goals, as...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Africa: Stockholm convention on persistent organic pollutants (POPs)
The process initiated by UNEP in 1995, materialised as the Stockholm convention in May 2001. The convention bans chemicals such as chlordane, DDT and PCB and other organic pesticides and industrial chemicals, as well as ...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Loss of Great Ape habitat 2002-2032 (Africa)
Based on population pressures the GLOBIO2 model has assessed the current and future human impacts on Great Ape habitat in Africa (Chimpanzee, Bonobo and Gorilla). The analysis shows a vast reduction of some of the world'...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Sub-Saharan Africa: Mineral resources and political instability
Africa, south of Sahara, is a region with plenty of valuable mineral resources - metals, oil and diamonds. Foreign investments lead the extraction and exploration in many of these places to supply the world markets. This...
02 Nov 2006 - by Philippe Rekacewicz, Le Monde Diplomatique
Population and growth, projections and historic data
The population has rapidly increased in Africa, to reach approximately 905 million inhabitants by 2005. The rate of the annual growth is levelling out after seeing a peak around 1990. Out of the sub-regions, the populati...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Invasive alien plants in South Africa
Species that has been introduced on purpose or spread in the wild threaten livelihoods in agriculture or water resources. As illustrated in this map, some regions of South Africa have very high ratios of invasive alien p...
23 Feb 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Africa: policy on genetically modified organisms (GMO) and genetically engineered (GE) foods
The Cartagena protocol on biosafety, a supplement to the convention on biological diversity, has strong support in Africa, with a majority of the countries as signatories. In addition, several countries have, in the past...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Emissions of carbon dioxide, in Africa and selected OECD countries
Africa represents only a small fraction, 3.6%, out of the total carbon dioxide (CO2) emissions per year, yet 14% of the population of the world lives here. The emissions per inhabitant in Libya, the Seychelles and South ...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Pesticides stockpiles in Africa
Mountains of obsolete pesticides are stockpiled in Africa. Problems with labelling, storage, and the supply of unsuitable products, means that they sit around unused, some for as long as 40 years. They include poisons lo...
02 Nov 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal