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dc.contributor.authorPANAGOS Panagiotisen_GB
dc.contributor.authorBORRELLI PASQUALEen_GB
dc.contributor.authorMEUSBURGER Katrinen_GB
dc.contributor.authorVAN DER ZANDEN Emmaen_GB
dc.contributor.authorPOESEN Jeanen_GB
dc.contributor.authorALEWELL Christineen_GB
dc.identifier.citationENVIRONMENTAL SCIENCE & POLICY vol. 51 p. 23-34en_GB
dc.description.abstractThe USLE/RUSLE support practice factor (P-factor) is rarely taken into account in soil erosion risk modelling at sub-continental scale, as it is difficult to estimate for large areas. This study attempts to model the P-factor in the European Union. For this, it considers the latest policy developments in the Common Agricultural Policy, and applies the rules set by Member States for contour farming over a certain slope. The impact of stone walls and grass margins is also modelled using the more than 226,000 observations from the Land use/cover area frame statistical survey (LUCAS) carried out in 2012 in the European Union. The mean P-factor considering contour farming, stone walls and grass margins in the European Union is estimated at 0.9702. The support practices accounted for in the P-factor reduce the risk of soil erosion by 3%, with grass margins having the largest impact (57% of the total erosion risk reduction) followed by stone walls (38%). Contour farming contributes very little to the P-factor given its limited application; it is only used as a support practice in eight countries and only on very steep slopes. Support practices have the highest impact in Malta, Portugal, Spain, Italy, Greece, Belgium, Netherlands and United Kingdom where they reduce soil erosion risk by at least 5%. The P-factor modelling tool can potentially be used by policy makers to run soil-erosion risk scenarios for a wider application of contour farming in areas with slope gradients less than 10%, maintaining stone walls and increasing the number of grass margins under the forthcoming reform of the Common Agricultural Policy.en_GB
dc.description.sponsorshipJRC.H.5-Land Resources Managementen_GB
dc.publisherELSEVIER SCI LTDen_GB
dc.titleModelling the effect of support practices (P-factor) on the reduction of soil erosion by water at European Scaleen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Sustainable Resources

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