高原鼠兔和高原鼢鼠在高寒草甸生态系统的作用  

Effects of rodents activities on grazing land and ecosystem in alpine meadow

作　　者：张兴禄 李广[1] 

机构地区：[1]甘肃农业大学资源与环境学院,甘肃兰州730070

出　　处：《草业科学》2015年第5期816-822,共7页Pratacultural Science

基　　金：国家自然科学基金项目(31172249);"十二五"国家科技支撑(2012BAD13B05-02)

摘　　要：高原鼠兔(Ochotona curzoniae)和高原鼢鼠(Myospalax baileyi)是高寒草甸生态系统中的重要组成部分,在生态系统能量循环中发挥着重要作用。本文从3个方面客观的分析了高原鼠兔和高原鼢鼠对放牧地有益和有害的影响,高原鼠兔和高原鼢鼠对放牧地植物群落和土壤的影响及放牧地对高原鼠兔和高原鼢鼠的影响,以改变目前人们对高原鼠兔和高原鼢鼠的传统认识。高原鼠兔和高原鼢鼠活动对放牧地利害转变的关键在于确定高原鼠兔和高原鼢鼠种群致灾密度和家畜数量及放牧方式,从而发挥其积极作用,维持高寒草甸放牧地生态系统的平衡。Plateau pika(Ochotona curzoniae)and plateall zokor(Myospalax baileyi)are the important members of the ecosystem and have significant effects on energy cycles in alpine meadow.The present paper analysis the benefits and harms of these two rodents on pasture grassland,plant community and soil and their response to these variations on grasslands which will improve the understanding on rodents.The key issue of conversion of rodents' activities from harms to benefits is to determine the population density associated with disaster and the number and grazing method of livestock in alpine meadow ecosystem.

关 键 词：高原鼠兔 高原鼢鼠 放牧地 高寒草甸 

分 类 号：S812.6[农业科学—草业科学]