Disappearance of ponds in the younger pleistocene landscapes of Pomerania
2000
Pienkowski, P. (University of Agriculture, Szczecin (Poland))
Basing on the analyses of cartographic materials, the location of ponds with various forms of utilization was established, their size and character of the surrounding zone was determined, the scale of pond disappearance was calculated and the area of its greatest intensity was established. It was found that out of 5433 ponds present on maps from the end of 19 th century merely 31 were left by the 80-ies of the 20 th century. Majority of the ponds disappeared on the field area, the least on the built-up areas. Among 2690 midfield ponds, which in both the 19th and 20th century were located on the field areas 59 disappeared completely, part of them underwent the process of land forming and only 28 retained open water surface
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