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基于GIS的生境类型及其与印度野牛生存关系的研究 总被引:14,自引:2,他引:12
在ARC/INFO 和ARC/ VIEW 地理信息系统的支持下,对构成生境的基本要素图形数据库进行叠加分析,研究了西双版纳纳板河自然保护区的生境格局.然后,运用Bayes 决策和模糊数学中的隶属度的概念,试图定量化描述生境格局与印度野牛生存的关系.结果表明,目前印度野牛生境适宜区对热带季节雨林生境类型的适宜性概率为0 .292 ,对亚热带季风常绿阔叶林生境类型的适宜性概率为0 .6 ,对亚热带苔藓常绿阔叶林生境类型的适宜性概率为0 .108 ;暗示热带雨林景观的破坏已威胁着印度野牛的生存 相似文献
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The earth’s surface landscape classification was obtained by computer analysis of LANDSAT multispectral data. Clustering analysis of spectral data provides an element, repeatable classification based upon spectral characteristics of earth’s surface landscape. The classification procedure repeated until the data are classified into the natural lusters. In this experiment, the clustering algorithm yields 17(0–16) types of earth′s surface landscape by 8 iterations.The accuracy of the classification was verified by a comparison with aerial photography and ground investigation, and the agreement was in the order of 83%. The results from automatic classification were satisfactory. 相似文献
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