西北“水三线”生态经济体系与调控模式研究

doi:10.12118/j.issn.1000-6060.2022.562

Abstract

Abstract:

In the contexts of the national strategies for ecological protection and high-quality development in the Yellow River Basin, as well as of the new era of development in western China, it is necessary to alter the ecological conditions and resource endowment of the “three water-related lines” area in northwest China (an area occupying two distinct basins of the Yellow River and the inland rivers) and to innovate a framework and paradigms for coordinated ecological-economic development specific to the area. Based on existing ecological-economics theories, as well as on the developing philosophy of “a benign environment equal to wealth” and the concept of the “human-nature community”, we propose a conceptual ecological-economic framework for the “three water-related lines” area, in which we identify the interactions between subsystems and their mechanisms and suggest four paradigms and four eco-economic hub areas. Further, we propose a layout for modern agriculture and indicate the pathway to coordinated urban and rural development in the four suggested eco-economic hub areas. We conclude that the proposed “three water-related lines” ecological-economic framework represents a theoretical foundation on which to base decisions concerning the layout of socio-economic development and ecological-environmental protection, the construction of ecological-economic hubs, and the overall harmonious ecological-economic development of northwest China.

Key words: “three water-related lines” area in northwest China, ecological-economic system, regulation paradigms, regional ecological-economic harmonization

DANG Xiaohu, DENG Mingjiang, LI Peng, CAO Xiaoshu, SUI Boyang, SHI Peng, ZHANG Tian, AI Zemin. Ecological-economic system and paradigms of “three water-related lines” area in northwest China[J].Arid Land Geography, 2023, 46(8): 1355-1365.

Figures/Tables 13

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年份	生态足迹/10⁸ ghm²	生态承载力/10⁸ ghm²	生态赤字/10⁸ ghm²	人均生态足迹/ghm²	人均生态承载力/ghm²	人均生态赤字/ghm²	生态压力指数
2000	1.033	1.165	0.132	1.163	1.312	0.149	0.887
2005	1.584	1.193	-0.391	1.691	1.273	-0.418	1.328
2010	2.320	1.255	-1.065	2.368	1.281	-1.087	1.849
2015	2.958	1.308	-1.650	2.912	1.288	-1.625	2.262
2018	2.911	1.314	-1.597	2.797	1.262	-1.535	2.216

类型区	年均降水量/mm	作物水分盈余量/mm	主要结构	主要功能
半干旱区	250~400	-60~20	农牧交错型牧业+集雨型种植业+保护性林业	调节：保持土壤，涵养水源，调节气候供给：粮果牧产品，淡水资源
半湿润偏旱区	400~500	20~110	集雨型种植业+舍饲养殖业+经济型林业	调节：保持土壤，涵养水源，调节气候供给：粮果牧产品，淡水资源
半湿润区	500~600	>110	节水型种植业+舍饲养殖业+经济型林业	调节：保持土壤，涵养水源，调节气候供给：粮果牧产品，淡水资源

类型区	年均降水量/mm	作物水分盈余量/mm	主要结构	主要功能
干旱区	<200	<-220	防护型林业+草地畜牧业+典型绿洲农业	调节：防风固沙，调节气候供给：畜牧和粮棉产品
半干旱偏旱区	200~250	-130~-100	草地畜牧业+牧用型林业+边际种植业	调节：防风固沙，调节气候供给：畜牧产品

类型区	年均降水量/mm	主要结构	主要功能
干旱区	<200	绿洲农耕+秸秆饲料+舍饲养殖	调节：防风固沙；供给：畜牧产品
半干旱偏旱区	200~250	人工草地+天然牧草+放牧养殖	调节：防风固沙；供给：畜牧产品
半干旱区	260~450	农林草+舍饲养殖与放牧结合+农牧	调节：保持土壤，涵养水源；供给：农林畜牧产品，淡水资源

Ecological-economic system and paradigms of “three water-related lines” area in northwest China

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