基于城市森林生态系统健康评价的郑州市土地利用规划研究
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河南省科技攻关计划项目“中欧城市开发强度对森林生态系统的影响研究”(编号:222102520033);河南省科技厅国际合作项目“河南省城乡绿地资源调控与景观生态设计学科创新引智基地”(编号:KXJD006)


Research on Land Use Planning of Zhengzhou City Based on Health Evaluation of Urban Forest Ecosystem
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    摘要:

    将城市森林生态系统健康评价纳入土地利用规划,对实现城市生态系统的良性循环具有重要意义。以郑州市为研究区域,基于2009年和2019年两期土地利用数据,使用CA-Markov模型预测了4类发展情景下郑州市2029年的土地利用情况,通过构建耦合城市生态系统服务的城市森林生态系统健康评估体系,对4类发展情景下的城市森林生态系统作健康评价,以此讨论最优土地利用策略。结果显示,生态城市建设情景下的城市健康值较2019年增加了19.01%,增幅最大;快速发展情景下的城市健康值则降低了17.03%,降幅最大。此外,城市核心性斑块的数量和面积对城市森林生态系统健康产生了显著影响。为实现最大化的林地扩张收益和有效提升城市森林生态系统的健康水平,可采用在高增量生态廊道和潜在生态廊道处增加林地建设的土地利用规划策略。

    Abstract:

    Incorporating the health assessment of urban forest ecosystems into land use planning is of great significance to realize the virtuous cycle of the urban ecosystem. This paper takes Zhengzhou City as the research area, based on the land use data in 2009 and 2019, uses the CA-Markov model to predict the land use situation of Zhengzhou City in 2029 under four types of development scenarios, and builds a city that couples urban ecosystem services The forest ecosystem health assessment system evaluates the health of urban forest ecosystems under four types of development scenarios and discusses optimal land use strategies. According to the evaluation results, the urban health value under the ecological city construction scenario increased by 19.01% compared with 2019, the largest increase, while the urban health value under the rapid development scenario decreased by 17.03%, the largest decline. In addition, the number and size of urban core patches significantly impacted the health of urban forest ecosystems. To maximize the benefits of forest land expansion and effectively improve the health level of urban forest ecosystems, land use planning strategies that increase forest land construction at high-increment ecological corridors and potential ecological corridors can be adopted.

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  • 在线发布日期: 2023-08-16
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