Evaluating the effects of changes in landscape structure on soil erosion by water and tillage
作者： Kristof Van Oost , Gerard Govers , Phillipe Desmet
关键词: Physical geography 、 Sediment 、 Erosion 、 Landscape ecology 、 Environmental science 、 Environmental change 、 Tillage 、 Agricultural land 、 Soil science 、 Land use 、 Loam
摘要: Landscape structure, or the spatial organization of different land units, has an impact on erosion and sedimentation agricultural land. However, current models emphasize temporal, less spatial, variability relevant parameters so that effects changes in landscape structure have hitherto not been studied detail. Therefore, a spatially distributed water tillage model allows incorporation is presented. The applied to three study sites Belgian Loam Belt where significant occurred over last fifty years. Erosion rates were shown change by up 28% however, with decreases as well increases occurring. These could be explained interaction use position field boundaries. Thus, important control when effect environmental risk assessed.
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