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The main areas on water structures in which sediment gathers are headwater, hollows in construction and tailwater. The processes of accumulation of upstream and downstream positions develop according to duration of the object’s exploitation. This article analyses working conditions of an elongated pipeline of culvert in Potok Służewiecki stream. These conditions were examined with the aim to evaluate...
The paper analyses changes in the structure of land use types, moisture category, soil types and subtypes and meadow types of reclaimed meadows environmental system in the Wkra River valley (part Bieżuń-Poniatowo) in two periods – after reclamation (1971) and recently (2001). The main reason of changes in the meadows natural environment has been decreased efficiency of melioration system. The changes...
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