基于改进型遥感生态指数的京津冀地区生态系统服务价值时空演变及其驱动因素
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湖南省自然科学基金面上项目(2025JJ50469,2025JJ30032);长沙市自然科学基金面上项目(kq2402104);国家社会科学基金一般项目(25BJY130)


Analysis of the spatial and temporal evolution and drivers of ecosystem service values in Beijing-Tianjin-Hebei region based on modified remote sensing ecological index
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    摘要:

    生态系统服务价值(ESV)的时空变化及其驱动因素的确定是生态系统服务管理和决策的基础。基于2013、2015、2017、2019、2021以及2023年6期土地利用/土地覆盖遥感监测数据,对京津冀地区的遥感生态指数和ESV进行计算,并分析其时空演变、损益情况及驱动因素。研究发现:研究期内京津冀地区存在大量耕地向其他土地利用类型转化,其中耕地转不透水面和草原的面积最多;ESV总体变化呈现出先降低后上升的趋势,ESV的空间分布呈现出山地高于平原地区,沿海地区高于内陆地区;2013-2023年京津冀地区ESV变化指数总体表现出先减少后增加的态势,尤其是在2017-2023年阶段研究区域内部获得增益最多;ESV的损益情况分析表明,京津冀地区的ESV变化呈现出先损失后增益再平稳的态势。相比自然因素,社会经济因素对ESV的影响更强,尤其是人均GDP在其中发挥了关键驱动作用,而人类活动强度(HAI值)大体呈现上升态势,北京市、天津市等经济活力较强的地区人类活动强度较高,并且在2023年分别达到峰值0.7466和0.6801;交互探测结果表明,各因子对研究区生态系统服务价值作用呈现双因子增强和非线性增强,表明京津冀地区ESV不仅受各驱动因子单独作用,同时也会受到驱动因子叠加影响。研究结果为京津冀地区的生态环境与区域经济协调发展提供了参考依据。

    Abstract:

    The spatio-temporal variations of ecosystem service value (ESV) and the determination of its driving factors are the basis for ecosystem service management and decision-making. Based on the remote sensing monitoring data of land use/land cover in 2013, 2015, 2017, 2019, 2021 and 2023, the remote sensing ecological index and ESV of the Beijing-Tianjin-Hebei region were calculated, and their spatio-temporal evolution, profit and loss situation, and driving factors were analyzed. Our findings showed that, during the research periods, a large amount of cultivated land in the Beijing-Tianjin-Hebei region was transformed into other land use types, among which the area of cultivated land with low permeability and grasslands was the largest. The overall change of ESV shows a trend of decrease and then increase. The spatial distribution of ESV showed that it is higher in mountainous areas than in plain areas, and higher in coastal areas than in inland areas. From 2013 to 2023, the ESV change index in the Beijing-Tianjin-Hebei region generally showed a trend of first decreasing and then increasing. The gain was the greatest during the period from 2017 to 2023. The analysis of the profit and loss situation of ESV showed that the changes in ESV in the Beijing-Tianjin-Hebei region present a trend of first loss, then gain, and finally stabilization. Compared with natural factors, socio-economic factors had a stronger impact on ESV, especially per capita GDP plays a key driving role in it. Meanwhile, the intensity of human activities (HAI value) generally showed an upward trend. Regions with strong economic vitality such as Beijing and Tianjin have a higher intensity of human activities, which reached their peaks of 0.7466 and 0.6801 respectively in 2023. The results of interactive detection showed that the role of each factor in the ecosystem service value of the study area presents a two-factor and nonlinear enhancement, indicating that the ESV in the Beijing-Tianjin-Hebei region is not only affected by the individual action of each driving factor, but also by the compound effects of driving factors. The results provide a basis for coordinating development of the ecological environment and regional economy in the Beijing-Tianjin-Hebei region.

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刘亦文,熊万灵,邓楠,颜建军.基于改进型遥感生态指数的京津冀地区生态系统服务价值时空演变及其驱动因素.生态学报,2026,46(1):235~252

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