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Modelling the effect of support practices (P-factor) on the reduction of soil erosion by water at European scale

机译:在欧洲范围内模拟支持措施(P因子)对减少水土流失的影响

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摘要

The 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.
机译:在次大陆规模的土壤侵蚀风险模型中,很少考虑使用USLE / RUSLE支持实践因子(P因子),因为很难对大面积地区进行估算。本研究试图为欧盟的P因子建模。为此,它考虑了《共同农业政策》中最新的政策发展,并应用了成员国制定的在一定坡度上进行等高线养殖的规则。还使用2012年在欧盟进行的土地使用/覆盖面积框架统计调查(LUCAS)的226,000多个观察结果对石墙和草缘的影响进行了建模。

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