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The Loess Plateau of China has been experiencing great land use and land cover changes under the “Grain for Green” program to control severe soil loss from human activities. Over the past 30 years, annual streamflow and sediment delivery have also reduced in most areas of Loess Plateau. In consequence, a physically based model of Soil and Water Assessment Tool (SWAT) has been employed to simulate...
This paper presented a multi-objective indicator system for the performance evaluation of crop production system based on emergy method. Eight emergy indicators were selected to analyze the crop production system in the 31 provinces of mainland China to compare intensive use, scale management, investment density, environmental pressure, output benefit, output density, output per capita, and economic...
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