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长江经济带如何提升生态韧性,实现经济发展与生态保护协同推进,是迫切需要解决的问题。采用熵值法测度数字经济发展与生态韧性,运用偏最小二乘法(PLS)和耦合协调度模型分析2013—2022年长江经济带11个省份数字经济发展对生态韧性的影响及耦合关系。结果表明:数字经济水平和生态韧性水平持续提高,其中长三角地区最高,从下游地区到上游地区逐渐递减;数字普惠金融占比稳步提高,数字基础设施占比逐渐下降,数字产业发展水平总体上变化不大;压力韧性水平逐年上升,状态、响应和创新韧性水平总体呈上升趋势,其中创新韧性水平在2022年下降明显;互联网接入端口数、单位面积长途光缆长度、数字金融覆盖广度指数是驱动长江经济带生态韧性提升的重要因素;数字经济发展与生态韧性的耦合协调度存在明显的空间分异特征,下游地区两者的耦合协调度明显高于上游地区。需要分区域制定差异化发展策略,逐步缩小上下游地区的数字鸿沟,强化河运主导的货运结构,降低污染排放。同时,促进区域间协同发展,推动生态韧性的整体提升。

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