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RETARDATION OF LOW PEATLANDS HABITAT CONDITIONS TRANSFORMATION IN THE VALLEY OF SUPRAŚL RIVER IN THE PERIOD OF 1987-2011
 
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Politechnika Białostocka, Katedra Technologii w Inżynierii i Ochronie Środowiska, ul. Wiejska 45 a, 15-351 Białystok
 
 
Publication date: 2014-10-20
 
 
Inż. Ekolog. 2013; 34:158-165
 
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ABSTRACT
In this paper, there were shown the physico-chemical properties of post-boggy soil in the result of conducted melioration in the meadow object of Suraśl Górna. The researches were done in the period of 1987-2001 in two habitats: moist soil-moisture complex (PSMC-B) and drying moist soil-moisture complex (PSMC-C). In the moist habitat, the level of ground water was in the depth of 30-98 cm from the land surface and fed the root layer of soil. In the drying moist habitat, the ground water was below the depth of 100 cm in the vegetation season and was periodically inaccessible for the meadow plants. Unfavourable water conditions in drying moist habitat have caused the condensation of peat mass and the decrease of water capacity of soil. In time, the progressive changes of physical and water properties effected negatively the natural values in post-boggy ecosystems. The changes of water properties caused the disappearance of many flora species, often classified as rare or protected species for example Epipatis palustris (L.) Crantz. The retardation of unfavourable changes can be achieved by the depth regulation of ground water laying and proper (especially medium intensive) meadow exploitation of these ecosystems.
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