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SOIL EROSION, CONSERVATION, AND ECO‐ENVIRONMENT CHANGES IN THE LOESS PLATEAU OF CHINA
Author(s) -
Zhao G.,
Mu X.,
Wen Z.,
Wang F.,
Gao P.
Publication year - 2013
Publication title -
land degradation and development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.403
H-Index - 81
eISSN - 1099-145X
pISSN - 1085-3278
DOI - 10.1002/ldr.2246
Subject(s) - soil conservation , environmental science , deforestation (computer science) , erosion control , erosion , vegetation (pathology) , soil functions , wepp , soil biodiversity , loess , soil retrogression and degradation , afforestation , hydrology (agriculture) , soil fertility , agroforestry , agriculture , geology , soil water , soil science , geography , archaeology , pathology , computer science , paleontology , geomorphology , programming language , medicine , geotechnical engineering
As one of the best‐known areas in the world, the Loess Plateau, has long been suffering from serious soil erosion. The present paper reviewed the historical variation of climate, vegetation cover, and environment changes in order to understand the causes of severe soil erosion. Documentary evidence indicated that climate changes and vegetation cover were the dominant natural factors influencing the soil erosion rates during the Holocene. Intensive human activities consisting of warfare, population growth, deforestation, and soil and water conservation measures were responsible for the changes of soil erosion during the anthropogenic period. Spatial and temporal changes of specific sediment yields presented significant decrease within the last several decades, which resulted from decreasing rainfall, large scale soil and water conservation measures, agricultural irrigation, and reservoir construction. Different phase of soil conservation measures demonstrated the development of policies and techniques on soil erosion control. Effective strategies of soil and water conservation, consisting of terracing, afforestation, natural rehabilitation, and check‐dams construction, were carried out on the Loess Plateau during the past six decades. The progress of soil conservation measures confirmed that the check‐dams systems might be suitable for Loess hilly Plateau, and natural vegetation rehabilitation is the best way for soil erosion control and should be implemented in other regions with emphasis of improving the quality of conservation measures based on natural rehabilitation. Copyright © 2013 John Wiley & Sons, Ltd.

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