Abstract
The Loess Plateau in China receives lots of attention from around the world. The expansion of bad agricultural practices for hundreds of years aggravated the soil erosion on the Loess Plateau, however, and a lot of efforts were and are being made to reduce the serious soil erosion as well as regional poverty. Agricultural development of the Loess Plateau is still confronted with intricate challenges such as food concerns, environment concerns, and regional poverty. The strategy of development towards sustainability offers a possible and important way to face the challenges. This study tried to develop a holistic “variation-selection-replication-retention” model to analyze the transformation of agricultural development from an evolutionary view which is generally integrative. It is indicated that policies should be lively and vibrant organisms full of innovations owning to ever-changing environment in the evolutionary view. Under this analytical framework, one possible path from serious soil erosion region to region with sustainable agriculture could be recognized in the case study of Fuxian County: serious soil erosion regions → regions with poor production conditions → production-optimized regions → regions with developed agriculture → regions with sustainable agriculture. Diversified integrative development is suggested due to regional differences and the possible developing order in Fuxian County. State-subsidized “Grain for Green” policy and diversified land use are necessary for the transformation of serious soil erosion regions which are usually trapped in regional poverty. To the transformation of regions with poor production conditions, a state-subsidized “production optimization” policy and diversified land use deserve to be considered, due to regional poverty in regions with poor production conditions. Agricultural scale operation is priority for the transformation of production-optimized regions towards agricultural modernization. Ecological thinking is very helpful for the transformation of regions with developed agriculture. The area of serious soil erosion regions in Fuxian County has dropped down from 1760 km2 in 1949 to 360.6 km2 in 2010. The diversified integrative routine tends to be one possible way to realize the development towards sustainability.
Highlights
The Loess Plateau is located between 34–40°N and 101–138°E in North China, covering an area of0.64 million km2 [1]
It is indicated that policies should be lively and vibrant organisms full of innovations owning to ever-changing environment in the evolutionary view
This study has tried to develop a holistic “variation–selection–replication–retention” model to analyze the transformation of agricultural development from an evolutionary view
Summary
The Loess Plateau is located between 34–40°N and 101–138°E in North China, covering an area of0.64 million km2 [1]. The Loess Plateau, as one of the most serious soil erosion areas in the world, receives a lot of attention from around the world [2,3,4,5,6,7,8,9]. It has an extremely hilly loess landscape and a semi-arid climate. It is characterized by steep sloping lands, which are unsuitable for cropping. Over 60% of the land in the Loess Plateau region has had severe soil erosion [2]
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