Les pays du sud et de l’est de l’Afrique sont confrontés à des pénuries alimentaires récurrentes. Pour lutter contre l’urgence alimentaire et éviter que les produits alimentaires ne quittent le pays, les gouvernements imposent des restrictions commerciales et interviennent sur les marchés. Dans…
O foco deste trabalho é a representação dos espaços presentes no romance Terra Sonâmbula (COUTO, 1999). Ele traz à tona a guerra civil em Moçambique (1976-1992), desencadeada por duas facções distintas que lutam por um mesmo fim: a conquista do poder político no país, após a independência…
This study presents four strategies of a novel evolutionary algorithm, multi-objective differential evolution algorithm (MDEA). The four strategies namely, MDEA1, MDEA2, MDEA3 and MDEA4 are adapted to solve the multi-objective crop planning model with multiple constraints in a farmland in the…
Agricultural land use and sugarcane residue management effects on soil bacterial communities at two long-term sites in KwaZulu/Natal, South Africa, were investigated by PCR-DGGE. Land uses at site 1 were maize [M]; pre-harvest burnt sugarcane [SC]; permanent kikuyu pasture [KIK]; pine forest [PF…
National parks are often places where people have previously lived and worked-they have been formed by a combination of natural and human processes that embody an identifiable history of cultural and political values. Conservation of protected areas is primarily about how we perceive such…
Grasslands in South Africa have been extensively transformed and fragmented, but are poorly protected. Commercial afforestation poses a particular threat to grassland biodiversity because areas suitable for forestry coincide with those supporting the greatest richness of endemic and threatened…
We describe an initiative to improve the flow of information between researchers and managers as part of two international scientific symposia on biological invasions held in South Africa in 2008 and 2009. Formal workshops and information sessions for land managers were run during the symposia.…
The CPWF was designed to be different. Developed in response to a call for change in a previous round of Consultative Group on International Agricultural Research (CGIAR) system
reform, the CPWF was intended to foster cross-CGIAR cooperation and find ways to bring in new partners. Over…
IN response to an on-line survey, 76 project leaders and staff gave CPWF Phase 1 a
generally favorable review. Respondents came from 68 CPWF projects in 45 countries on
three continents. The survey sought to help learn what went well in Phase 1, what did not
go so well and can…
The Rhodes trout fishery, located in the North Eastern Cape, is one of South Africa’s premier fly-fishing destinations. The integrity of the fishery is, however, under threat due to various land-use practices, which could weaken its appeal as a tourist attraction. The aim of this study is to…