Wetlands Conservation Conference for Southern Africa: Proceedings of the Southern African Development Coordination Conference Held in Gaborone, Botswana, 3-5 June 1991T. Matiza, H. N. Chabwela IUCN, 1992 - 224 Seiten |
Häufige Begriffe und Wortgruppen
activities agencies agricultural aquatic Avicennia Bangweulu basin benefits biological birds Botswana catchment Chilwa Chobe Chobe River coastal communal lands coral reefs countries crops Cunene River Cyrtobagous dambo dambo cultivation degradation District dunes Eastern Caprivi ecological economic ecosystems environment environmental erosion fish fisheries flood floodplain forest freshwater grazing growth rates habitats hunting impact implementation important impoundments increase Inhaca irrigation Island IUCN Kafue Flats km² Kwando lagoons Lake Bangweulu Lake Chilwa Lake Kariba lechwe Lesotho major Malawi mangroves Mozambique Namibia National Parks natural resources needs nutrient Okavango Delta planning plants pollution population problems production programme project area rainfall Ramsar Ramsar Convention region Reserve reservoir resource management result Rufiji Delta rural SADCC Salvinia molesta Schlettwein season sediments soil southern Africa species sustainable swamps Tanzania tourism utilisation vegetation village wetland conservation wetland management wetland resources wetlands project Whitlow Zambezi River Zambia Zimbabwe zone
Beliebte Passagen
Seite 10 - ... c. where data on populations are available, it regularly supports 1% of the individuals in a population of one species or subspecies of waterfowl. Guidelines for application of the criteria To assist Contracting Parties in assessing the suitability of wetlands for inclusion on the List of Wetlands of International Importance...
Seite 5 - ... funds during the period 1976 to 1986 were spent on hydroagricultural projects which affect wetlands in one way or another. The environmental impact of projects such as the Diama Dam in Senegal, the Jonglei canal in Sudan, the Selingue Dam in Mali, and the Mahaweli Ganga irrigation project in Sri Lanka, varies. However, only in very few cases have detailed studies of alternative investment in management and use of the natural ecosystems been pursued. Yet this is despite the 1980 Declaration of...
Seite 1 - Convention wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low tide does not exceed six metres.
Seite 4 - River is sold at four times the price of imported rice. A more complex example is provided by northern Nigeria where, despite efforts by the states of Borno, Kano, and Bauchi to conserve the natural floodplain of the Hadejia river system, agricultural and economic policies are spurring conversion. In response to falling oil prices and the need to save hard currency, the federal government banned all wheat imports as of January 1987. At the same time a 50% subsidy on inputs and equipment for wheat...
Seite 10 - ... or more of these species; or (b) it is of special value for maintaining the genetic and ecological diversity of a region because of the quality and peculiarities of its flora and fauna; or (c) it is of special value as the habitat of plants or animals at a critical stage of their biological cycles; or (d) it is of special value for its endemic plant or animal species or communities.
Seite 11 - The credentials shall be issued either by the Head of State or Government or by the Minister of Foreign Affairs or, in the case of a regional economic integration organization, by the competent authority of that organizaton.
Seite 10 - It is of special value as the habitat of plants or animals at a critical stage in their biological cycles. 9. It is a particularly good example of a specific type of wetland characteristic of its region.
Seite 88 - Mindful of the spirit, principles, aims and functions of the African Convention on the Conservation of Nature and Natural Resources...
Seite 193 - ... itself, however, is a necessary but not a sufficient condition for intervention. To be truly worthwhile, a government intervention must meet two other conditions. First, the intervention must outperform the market or improve its function. Second, the benefits from such intervention must exceed the costs of planning, implementation, and enforcement, as well as any indirect and unintended costs of distortions introduced to other sectors of the economy by such intervention. Ideally, government intervention...