邓茜月,王永生.黄河流域九省(区)农业面源污染与农业产值脱钩研究[J].农业环境科学学报,2024,43(11):2644-2656. |
黄河流域九省(区)农业面源污染与农业产值脱钩研究 |
Decoupling analysis of agricultural non-point source pollution and agricultural output in nine provinces of the Yellow River basin |
投稿时间:2023-12-11 |
DOI:10.11654/jaes.2023-1055 |
中文关键词: 农业面源污染 农业产值 清单分析 脱钩分析 演化机制 |
英文关键词: agricultural non-point source pollution agricultural output inventory analysis decoupling analysis evolutionary mechanism |
基金项目:国家自然科学基金项目(42271275) |
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中文摘要: |
为探究黄河流域九省(区)农业面源污染与农业产值之间的关系,本研究基于清单分析法,测算了1978—2021年黄河流域九省(区)的化学需氧量、总氮和总磷排放量,并运用Tapio脱钩评价模型,研究了农业面源污染与农业产值之间的脱钩关系及其时空演化过程。结果表明:1978—2021年,黄河流域九省(区)农业面源污染排放量与农业产值整体呈现增加趋势,污染源结构与农业产值结构均发生显著变化;农业面源污染排放与农业产值的弹性脱钩状态呈现波动变化,并以弱脱钩状态为主,且存在显著空间差异性;脱钩状态的变化受到国家政策、自然生态、经济水平、人民需求等多因素影响。未来,黄河流域九省(区)农业高质量发展应采取差异化的流域和部门防治措施。 |
英文摘要: |
The discharge of chemical oxygen demand, total N, and total P from agricultural sources in nine provinces of the Yellow River basin was measured from 1978 to 2021 based on the inventory analysis method to explore the relationship between agricultural non-point pollution and agricultural output value in nine provinces of the Yellow River basin, and the decoupling relationship between agricultural non-point pollution and agricultural output value and its spatio-temporal evolution process was investigated using Tapio evaluation model. The results showed that agricultural non-point source pollution discharges and agricultural output value in nine provinces of the Yellow River basin showed an increasing trend from 1978 to 2021, and the structure of agricultural pollution sources and the structure of agricultural output value showed significant changes. The elastic decoupling status between agricultural non-point source pollution discharges and agricultural output values showed fluctuating changes and was dominated by weak decoupling status, with significant spatial variability. Changes in decoupling status were influenced by multiple factors such as national policies, natural ecology, economic level, and people's demand, among others. Future high-quality development of agriculture in the nine provinces of the Yellow River basin should adopt differentiated watershed and sectoral control measures. |
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