基于多方法融合的张家界大鲵自然保护区功能分区研究

doi:10.19741/j.issn.1673-4831.2018.0522

摘要/Abstract

摘要： 中国大鲵（Andrias davidianus）为两栖类野生保护动物，在淡水生态系统中扮演着重要的角色和功能，但目前探讨其自然保护区功能分区的研究较少。以张家界大鲵自然保护区为研究对象，综合考虑地理环境、人类活动和大鲵分布等因素，融合最小费用距离、空间统计学方法的Ripley's K函数、核密度分析和Iso聚类等多种方法，对张家界市域内水域的地理空间数据进行分析，得到大鲵自然保护区范围和功能分区。结果表明：（1）聚类结果所处位置和河段符合大鲵生境要求，并通过野外实地调查加以验证；（2）保护区总面积为13 101 hm²，其中核心区面积占保护区总面积的35.46%，缓冲区面积占35.73%，实验区面积占28.81%。功能分区结果考虑了大鲵水陆两栖特性，且符合生态和经济发展双重需要，对两栖类野生动物自然保护区功能分区研究具有一定的指导意义。

关键词: 中国大鲵, 功能分区, 最小费用距离, 空间统计学, Iso聚类

Abstract: The Chinese giant salamander (Andrias davidianus) is a protected amphibian species,which plays important functional roles in freshwater ecosystems. However,few studies have been conducted on the function zoning of its nature reserves. Zhangjiajie Chinese Giant Salamander Nature Reserve was selected as the model area to adjust the area of the nature reserves and to explore its functional zones. Geographical environment,human activities,and distribution of the Chinese giant salamander were considered comprehensively,and the minimum cost distance,Ripley's K function of spatial statistics,nuclear density analysis,Iso clustering and other methods were incorporated to analyze the geospatial data of the waters in Zhangjiajie. The results show that:(1) The locations and the reaches of the river resulted from clustering method meet with the habitat requirements of Chinese giant salamander,which have been verified by field investigation. (2) The total area of the adjusted nature reserve is 13 101 hm²,among which the core zone,buffer zone,and the experimental zone account for 35.46%,35.73%,and 28.81%,respectively. The adjusted functional zoning take into account the amphibious characteristics of land and water of Chinese giant salamander,and meet the dual needs of ecological and economic development,which has a certain guiding significance for the research on function zoning of amphibians nature reserves.

Key words: Chinese giant salamander(Andrias davidianus), function zoning, the minimum cost distance, spatial statistics, Iso clustering

中图分类号:

杨杰, 黄磊, 罗庆华. 基于多方法融合的张家界大鲵自然保护区功能分区研究[J]. 生态与农村环境学报, 2019, 35(7): 853-858.

YANG Jie, HUANG Lei, LUO Qing-hua. Study on Function Zoning for Zhangjiajie Chinese Giant Salamander (Andrias davidianus) Nature Reserve Based on Multi-method Fusion[J]. Journal of Ecology and Rural Environment, 2019, 35(7): 853-858.

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