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… flow). The introduction of alien species, wetland drainage and river channelisation, pollution, sedimentation … area around N’Zérékore in southeastern Guinea in the upper drainage systems of the Saint John/Mani and Saint Paul/Oulé … of endemism (Figure 3.3), the upper Guinea region (coastal drainage of Guinea, Sierra Leone and western Liberia) and the …

… collective farms or state enterprises, which saw extensive drainage operations and the introduction of alien species for … Things started to change when from the 17th century larger drainage systems were built. The efforts to win more arable … rakosiensis).61 In the Hanság areas, even with extensive drainage, the land remained partially water-logged and many …

… animals that dispersed from their colony followed trails, drainage lines and topographic features, to create ‘squirrel … + + + + + + + + + + + + + + + 2 Water resources • Surface drainage patterns • Ground water accession • Flood mitigation … linear habitats through the landscape, from intermittent drainage lines to minor streams to major rivers. The mesic …

… sea-based activities. They originate upstream in the vast drainage basins of major river systems and inland with the … (1966). ILA • Rules on Water Pollution in an International Drainage Basin (1982). ILA • Seoul Rules on International …

… clearing of natural vegetation, improper irrigation, poor drainage practices, degradation of watercourses and water … on the grounds that it acts as a filter strip for drainage from the proposed development. In these …