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… new ground in global efforts for nature conservation and sustainable development. Indeed, much of the philosophy … best multiple use of these new wetlands, including their maximum productivity for wildfowl. 8. Management of a part of … tropical rain forests. Intensively cultivated land will yield, at best, less than half that production, but, of …

… cooperation, as a contribution towards achieving sustainable development throughout the world”. As of January … meters at low tide (the figure is thought to come from the maximum depth to which sea ducks can dive whilst feeding), … constitute a source of aesthetic and artistic inspiration, yield invaluable archaeological evidence from the remote …

… and the change from 2000-2010. Mean, minimum and maximum population density statistics within the buffer zones … 7 indicates, the reported (in Ramsar Information Sheets) maximum elevation above sea-level of some of those Ramsar … Importance and to plan for the "wise use", or sustainable use, of all of the wetlands in their territories. …

… any use of natural resources is equitable and ecologically sustainable. A central secretariat coordinates the IUCN … the European Union has several directives specifying maximum concentrations of certain pollutants discharged into … use means "human use of a wetland so that it may yield the greatest continuous benefit to present generations …