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Degradace lesni pudy vodni erozi v centralni casti Moravskoslezskych Beskyd (Dégradation des sols forestiers dans la partie centrale des monts Beskidy Moravskoslezské)
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The example of several river basins that the erosive processes in the central part of the Moravskoslozské Beskydy Mts. (North Moravia) depend not only on the natural conditions, but also on the human activities, especially the using of heavy forest