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Soils of wet heathlands have lost their buffering capacity as a result of acidification, eutrophication, and desiccation. Many characteristic plant species have disappeared from these ecosystems because of the unfavourable soil conditions. Restoration projects should aim at counteracting the negative effects of acidification in particular. Blocking of drainage ditches to increase groundwater influence...
Valuable wetland areas in the Kampinos National Park (KNP), Poland, are exposed to anthropogenic pressure mainly from the neighbouring Warsaw metropolitan area. Deterioration of hydrogenic soils and wetland vegetation has been observed for many years in the KNP. Currently land use change (urbanisation) and increasing groundwater intake are regarded as the main threats to the KNP wetland ecosystems...
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