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… 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 …