草原鼠害宜生区划分方法探索——以色达县高原鼠兔为例

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英文篇名：Division Method on Grassland Rodent of Inhabitable Area:a Case Study on Plateau Pika in Seda 作者：赵磊 ; 严东海 ; 张绪校 ; 荣璟 ; 周俗 英文作者：ZHAO lei;YAN Dong-hai;ZHANG Xu-xiao;RONG jing;ZHOU su;Grassland Station of Sichuan Province;Sichuan Academy of Grassland Science; 关键词：草原鼠害 ; 高原鼠兔 ; 宜生指数 ; 宜生区 英文关键词：grassland rodent;;plateau pika;;inhabitability index;;inhabitable area 中文刊名：SCCY 英文刊名：Journal of Grassland and Forage Science 机构：四川省草原工作总站;四川省草原科学研究院; 出版日期：2018-02-20 出版单位：草学 年：2018 期：No.237 语种：中文; 页：SCCY201801010 页数：4 CN：01 ISSN：51-1777/S 分类号：48-50+55

摘要

本文以色达县高原鼠兔为例,运用影响高原鼠兔分布的草原类型、海拔、坡度、坡向等主要因子的图件和遥感影像数据,对单一因子进行宜生指数赋值并运算生成宜生指数图。根据各因子对高原鼠兔发生分布的影响程度不同,建立高原鼠兔综合宜生指数加权模型,运算生成色达县高原鼠兔综合宜生指数图,即宜生区图。为下一步全省草原主要生物灾害宜生区划分提供技术参考。
        Taking the plateau pika in Seda as example,using the remote sensing image data of the main factors which affect the distributing of plateau pika,including the grassland type,altitude,gradient and slope aspect,to evaluate the inhabitability index of every factor and meanwhile calculatethe map of inhabitability index.According to the differences of the effect of each factor on the distribution of plateau pika,a weighted model of the comprehensive inhabitability index of plateau pika was established to calculate and obtain the image of inhabitable area which would provide the technical reference for dividing inhabitable area of the main biohazards of grassland in the whole province.

引文

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