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Effects of soil conservation techniques on water erosion control: A global analysis

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Effects of soil conservation techniques on water erosion control: A global analysis

In: The Science of the total environment, 15 December 2018, Vol.645, pp.753-760
Autor: Xiong, Muqi , Sun, Ranhao , Chen, Liding
Ort, Verlag, Jahr: , Elsevier B.V, 2018
ISBN/ISSN/ISMN: 0048-9697
Kollektion: ScienceDirect (Elsevier)
Erscheinungsform: article

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Autor:Xiong, Muqi
Autor:Sun, Ranhao
Autor:Chen, Liding
Titel:Effects of soil conservation techniques on water erosion control: A global analysis
Verlag:Elsevier B.V
Jahr:2018
ISBN/ISSN/ISMN:0048-9697
Sprache:eng
Zusammenfassung:<p>Water erosion control is one of the most important ecosystem services provided by soil conservation techniques (SCTs), which are being widely used to alter soil and water processes and improve ecosystem services. But few studies have focused on providing this service using various techniques across the world. Here, a comprehensive review was conducted to compare the effects of SCTs on water erosion control. We conducted a meta-analysis consisting of 1589 sample plots in 22 countries to identify SCTs, which we classified into three groups: biological techniques (BTs, such as afforestation and grain for green), soil management techniques (STs, such as no tillage and soil amendment), and engineering techniques (ETs, such as terraces and contour bunds). Our results were as follows: (1) The SCTs had significant positive effects on water erosion control, and they were generally more effective at reducing annual soil loss (84%) than at reducing annual runoff (53%). (2) The BTs (e.g.,...
Kollektion:ScienceDirect (Elsevier)
In:The Science of the total environment, 15 December 2018, Vol.645, pp.753-760
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