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机构地区:[1]甘肃省张掖地区草原饲料工作站,甘肃张掖734000
出 处:《草业科学》1999年第6期26-31,共6页Pratacultural Science
摘 要:草原啮齿动物有36种,分隶于23属、8科又4亚科,啮齿动物总种数占甘肃省啮齿动物总种数的47.4%。该地区的草原啮齿动物可划分为8个群落,各群落都有其适宜的生态环境、优势种和数量组成、分布特点。就全区而言,长爪沙鼠、高原鼠兔、中华鼢鼠分别是半荒草原、高寒草原和高寒草甸的优势种,它们都具有种群密度大、分布广、危害重的特点,是该地区草原的优势害鼠,应该作为重点防治对象。There were 7 families, 4 sub - families, 23 generas, 36 species of rodents in thegrassland of Zhangye Region, which accounted for 47. 4% of rodent species in Gansuprovince. These rodents could be divided into 8 types of communities and each had the suit-able environment, dominant species, number and distribution. Meriones u1Iguiculatus, O-chotona curzoniao and MyosPalax fontanieri were the dominant species in half desert grass-land,alpine grassland and all71ne meadow respectively, and had high population density, widedistribution and serious damage so that they were dominant pest and should be controled inthis grassland.
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