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    基于生态敏感性评价的严寒地区林业村镇景观生态安全格局研究

    关键词:风景园林;严寒地区;林业村镇;生态敏感性评价;景观生态安全格局

    Key words:landscape architecture; cold region; forestry village and town; ecological sensitivity evaluation; landscape ecological security pattern

    摘要:严寒地区林业村镇是维系我国东北地区生态环境稳定与健康的基元,以探寻林业村镇实现生态安全的实用方法为目标,利用实态调研和地理数据为信息基础,采取针对性的生态评价方法,分析出严寒地区林业村镇的生态敏感性特征,结合景观生态过程研究,获取村镇现状生态威胁及成因,在生态时空结构与演变的基础上构建村镇理想景观生态安全格局;并以黑龙江省朗乡镇为例,进行了基于生态敏感性评价的景观生态安全格局的实验性研究,其结果可以为同类型村镇生态建设提供参考。

    Abstract:Forestry villages and towns in cold regions are the basic units which can make the ecological environment stable and healthy in the northeast area of China. The paper aims to find the practical methods to build ecological security of forestry villages and towns. The investigations on the actual state and geographic data were used as the information basis. By taking the appropriate ecological evaluation method, characteristics of ecological sensitivity in forestry villages and towns in cold region were precipitated. Present situation and causes of ecological threat was analyzed combining with the study on landscape ecological process. Ideal landscape ecological security pattern was constructed based on the ecological space-time structure and the evolution of it. Langxiang Town of Heilongjiang Province was taken as a case in this study. The method was conducted in the case as an actual inspected study of landscape ecological security pattern based on ecological sensitivity evaluation. The results could provide a reference about ecological construction for typical villages and towns.

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