[1]WANG Liye,SHI Chunchun,ZHANG Wenxin,et al.Evaluation of Cropland Ecological Security and Diagnosis of Its Obstacle Factors in Shandong Province in 2009—2019[J].Research of Soil and Water Conservation,2022,29(06):138-145,153.
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Evaluation of Cropland Ecological Security and Diagnosis of Its Obstacle Factors in Shandong Province in 2009—2019
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
29
Number of periods:
2022 06
Page number:
138-145,153
Column:
Public date:
2022-10-20
- Title:
- Evaluation of Cropland Ecological Security and Diagnosis of Its Obstacle Factors in Shandong Province in 2009—2019
- Keywords:
- cropland; ecological security; PSR model; Shandong Province; obstacle factors
- CLC:
- F301.21
- DOI:
- -
- Abstract:
- Cropland ecological security is an important part of national and regional ecological security. In order to have a clear understanding of cropland ecological security and its driving forces and to promote cropland use and agricultural development, this study developed an index system according to Pressure-State-Response(PSR)model and based on the second and third national land survey data, evaluated the changes of cropland ecological security in Shandong Province in 2009—2019. Additionally, this study diagnosed the obstacle factors of cropland ecological security with the help of obstacle degree model. The results showed that:(1)The cropland ecological security in Shandong Province showed a downward trend from 2009 to 2019. According to the models used, the cropland ecological security score decreased from 0.27 to 0.14;(2)From 2009 to 2019, the changes of cropland ecological security in various prefecture level cities are different. Five prefecture level cities show an upward trend, and four prefecture level cities have a generally stable cropland ecological security, while seven prefecture level cities have decreased to varying degrees;(3)The proportion of employees in secondary and tertiary industries, the proportion of output value of secondary and tertiary industries, per capita disposable income of rural residents, average altitude of cropland and multiple cropping index are the main obstacle factors affecting the cropland ecological security from 2009 to 2019. In conclusion, in 2009—2019, the cropland ecological security in Shandong Province displayed a decreasing pattern and there were several factors that affected it. This study pointed out that strengthening cropland pollution control, developing ecological agriculture, alleviating the imbalance of industrial structure were important measures to improve the cropland ecological security.
- References:
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Last Update:
2022-10-20