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Wo bin ich:  Startseite >> Publikationen >> 2007 - PROWATER
Publikationen
2005 - Stettin2007 - PROWATER2007 - Coastal Futures2008 - Coastal Zones2009 - ERANET2010 - LOICZ2010 - COASTLINE REPORTS2012 - Bioenergy Research2012 - Umsetzung IKZM2015 - Phosphorus economics 2016 - Phosphorus resource economics
R. Meissner & P. Leinweber & H. Rupp & M. Shenker & M. I. Litaor & S. Robinson & A. Schlichting & J. Koehn, 2007.
Mitigation of Diffuse Phosphorus Pollution during Rewetting of Fen Peat Soils: A Trans-European Case Study

In: Received: 27 June 2007 / Accepted: 25 September 2007
(c) Springer Science + Business Media B.V. 2007

    Abstract
    Intensive cultivation of fen peat soils (Eutric Histosols) for agricultural purposes, started in Europe about 250 years ago, resulting in decreased soil fertility, increased oxidation of peat and corresponding CO2-emissions to the atmosphere, nutrient transfer to aquatic ecosystems and losses in the total area of the former native wetlands. To prevent these negative environmental effects set-aside programs and rewetting measures were promoted in
    recent years. Literature results and practical experiences showed that large scale rewetting of intensively used agricultural Histosols may result in the mobilisation of phosphorus (P), its transport to adjacent surface waters and an accelerated eutrophication risk. The paper summarises results from an international European Community sponsored research project and demonstrates how results obtained at different scales and from different scientific disciplines were compiled to derive a strategy to carry out rewetting measures. A decision support system (DSS) for a hydrologically sensitive area in the Droemling catchment in north-eastern Germany was developed and is presented as a tool to regulate rewetting in order to control P release. It is demonstrated that additional laboratory experiments to identify essential processes of P release during rewetting and the site-specific management of the water table, the involvement of specific knowledge and experience of the stakeholders are necessary to develop an applicable DSS. The presented DSS is practically used to prevent freshwater resources from diffuse P pollution.

    Keywords
    Agricultural watershed . Land use change . Assessment . Measurement . Phosphorus . Histosol
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