Dynamic evaluation and driving mechanism of natural capital occupation in Shanxi mining areas of the Yellow River Basin
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摘要:
自然资本是经济社会绿色可持续发展的必要保障,对其进行评估是维持区域生态系统平衡的重要内容。以矿区自然资本为视角,运用三维生态足迹模型,测算黄河流域山西矿区生态足迹深度与广度并分析其变化特征,进一步阐释矿区生态占用动态演变的作用机理。结果表明:黄河流域山西矿区人均生态赤字由2010年的4.40 hm2/人增至2016年的6.31 hm2/人,随后降至2019年的5.02 hm2/人,生态足迹与生态承载力的差距总体趋于缩小。2010—2019年,人均生态足迹广度大致呈递减趋势,由0.63 hm2/人降到0.47 hm2/人,而人均生态足迹深度呈现出先增后减的倒U型变化趋势。黄河流域山西矿区自然资本时空动态演变过程的驱动机制是由生态环境供给、资源禀赋、社会发展、经济增长、能源损耗以及煤炭污染等诸多因素共同作用的结果。其中,煤炭污染、能源损耗、资源禀赋和经济增长中的第二产业增加值与矿区自然资本占用动态演变呈正相关,生态环境供给、社会发展中的环境规制指数与其呈负相关。总之,黄河流域山西矿区生态足迹与生态承载力的差距趋于缩小,但生态占用赤字仍然存在。
Abstract:Natural capital is a necessary guarantee for the green and sustainable development of the economy and society, and its assessment is an important part of maintaining the balance of the regional ecosystem. From the perspective of natural capital for the mining areas, a three-dimensional ecological footprint model was used to calculate the depth and breadth of the ecological footprint of Shanxi mining areas in the Yellow River Basin, its dynamic evolution characteristics were analyzed, and the mechanism of the dynamic evolution of the ecological occupation of the mining areas was further explained. The results showed that: the per capita ecological deficit of Shanxi mining areas in the Yellow River Basin increased from 4.40 hm2 in 2010 to 6.31 hm2 in 2016, and then decreased to 5.02 hm2 in 2019. The gap between ecological footprint and ecological carrying capacity tended to narrow overall. The breadth of the per capita ecological footprint generally showed a declining trend, from 0.63 hm2 in 2020 to 0.47 hm2 in 2019, and the depth of the per capita ecological footprint showed an inverted U-shaped change trend that first increased and then decreased. The driving mechanism of the spatiotemporal dynamic evolution process of natural capital in Shanxi mining areas in the Yellow River Basin was driven by many factors such as ecological environment supply, resource endowment, social development, economic growth, energy loss and coal pollution. The dynamic evolution of natural capital occupation was positively correlated with coal pollution, energy loss, resource endowment and the secondary industry added value of economic growth, and negatively correlated with ecological environment supply and the environmental regulations of social development. The gap between the ecological footprint and carrying capacity of Shanxi mining areas in the Yellow River Basin tended to improve, but the ecological occupation deficit still existed.
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图 2 自然资本广度与深度的物理意义[22]
Figure 2. Physical meanings of depth and size of natural capital
表 1 2019年黄河流域山西矿区不同土地利用类型面积
Table 1. Area of different land types in Shanxi mining areas of the Yellow River Basin in 2019
万hm2 土地
利用类型西山
矿区大同
矿区沁水
矿区宁武
矿区霍西
矿区河东
矿区均衡
因子产量
因子耕地 0.23 7.12 68.57 4.76 20.19 43.28 2.80 1.66 草地 6.88 3.00 29.35 7.44 13.20 32.10 0.50 0.91 林地 11.03 5.90 180.24 17.62 24.77 61.34 1.10 0.19 水域 0.22 0.21 1.49 0.16 0.37 0.62 0.20 1.00 建筑
用地0.18 0.62 11.07 0.37 1.68 6.21 2.80 0.60 化石能
源用地0.24 0.96 14.28 0.52 2.35 8.91 1.11 1.00 总计 18.78 17.81 305.00 30.87 62.56 152.46 表 2 黄河流域山西矿区自然资本占用动态演变的驱动因素
Table 2. Driving factors of the dynamic evolution for ecological capital occupation in Shanxi mining areas of the Yellow River Basin
表 3 2010—2019年黄河流域山西矿区人均生态足迹深度与广度
Table 3. Per capita ecological footprint depth and size of Shanxi mining areas in the Yellow River Basin from 2010 to 2019
hm2/人 年份 人均生态赤字 人均生态足迹广度 人均生态足迹深度 2010 4.40 0.63 7.98 2011 4.80 0.61 8.87 2012 5.22 0.56 10.32 2013 5.54 0.55 11.07 2014 5.71 0.53 11.77 2015 5.90 0.49 13.04 2016 6.31 0.44 15.34 2017 5.70 0.44 13.95 2018 5.42 0.46 12.78 2019 5.02 0.47 11.68 表 4 2010—2019年黄河流域山西矿区足迹深度与足迹广度剪刀差
Table 4. Scissors difference between footprint depth and footprint size of Shanxi mining areas in the Yellow River Basin from 2010 to 2019
年份 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 剪刀差 1.13 1.25 1.38 1.43 1.47 1.51 1.56 −1.53 −1.50 −1.48 表 5 PLS模型回归结果
Table 5. Regression results of PLS model
因变量 常数项 驱动因子 Y 4.753 X1 X2 X3 X4 X5 X6 X7 −0.165 0.147 0.083 0.062 0.027 0.009 −0.110 X8 X9 X10 X11 X12 X13 X14 0.007 0.108 0.013 0.137 0.128 0.174 0.182 -
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