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Updated: Nov 6, 2025
11:53
Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
13.2K
A study on the effects of regional differences on agricultural water resource utilization efficiency using
Yujie Huang1, Xianke Huang2, Munan Xie3
1College of Economics and Trade, Xinjiang Agricultural University, Urumqi, 830052, Xinjiang, China.
Scientific Reports
|May 12, 2021
Summary
China's agricultural water use efficiency is declining, with significant regional variations. Key economic and resource factors influence water consumption, showing a non-linear relationship with efficiency under government and labor considerations.
Area of Science:
- Environmental Science
- Agricultural Economics
- Resource Management
Background:
- Agricultural water resource utilization is critical for China's economy and environment.
- Understanding efficiency and consumption patterns is vital for sustainable development.
- Previous studies have not fully integrated pollution emissions as constraints.
Purpose of the Study:
- To evaluate water resource utilization efficiency and consumption across China's agricultural sectors.
- To analyze the impact of agricultural water use efficiency on consumption using threshold models.
- To incorporate key agricultural pollution emissions as environmental constraints for the first time.
Main Methods:
- Super-efficiency Slacks-Based Measure (SBM) for efficiency evaluation.
- Threshold regression model to assess the impact of water use efficiency on consumption.
- Inclusion of Chemical Oxygen Demand, ammonia nitrogen, and carbon emissions as environmental constraints.
Main Results:
- Overall agricultural water resource utilization efficiency in China shows a fluctuating downward trend.
- Significant regional disparities in water use efficiency and consumption were observed.
- A single threshold effect was identified for per capita water resources, income, trade dependence, industrial structure, and GDP on water consumption.
- Non-linear relationships were found between water use efficiency and consumption when considering government attention and rural labor force.
Conclusions:
- China's agricultural water resource efficiency requires strategic interventions to reverse the downward trend.
- Policy interventions should consider regional differences and the identified threshold effects of economic and resource variables.
- Integrating environmental constraints into efficiency assessments provides a more comprehensive understanding of sustainable water management.
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