【摘要】 在揭示岩溶景观系统的形成机制及系统演化的特性基础上 ,本文着重分析长江流域岩溶生态环境脆弱带的生成因素与其特征 ,揭示岩溶山区人地系统演化和退化原因以及简要提出长江流域岩溶山区人地关系调控对策。更多还原

【Abstract】 Eco environmental fragility hinders regional sustainable development. The karst mountain area in the Yangtze Basin belongs to the typical eco environmental fragile belt. While revealing the mechanism of formation of Karst landscape system and its system evolution, the author analyzes the development conditions and the characteristic of the Karst eco environmental fragile belt in the Yangtze Basin, the paper reveals the evolution characteristics and the cause of degradation of human land system in karst mountain area, and puts forth the regulation countermeasure for human land relationship of the karst mountain area in the Yangtze Basin.更多还原