化隆县草地鼠虫危害调查  

Investigation of grassland rodents and locusts in Hualong County

作　　者：韩学明 

机构地区：[1]青海省化隆县草原站,青海巴燕镇810900

出　　处：《草业科学》2000年第4期27-28,共2页Pratacultural Science

摘　　要：1997～ 1998年对化隆县草场上发生的鼠虫危害进行了调查研究 ,发现 5大类草场都有害鼠和蝗虫分布 ;其中 ,在山地草甸和山地草原上较多。全县鼠害草场面积 2 2 50 6 hm2 ,虫害草场面积 2 1986 hm2 ;高原鼢鼠和高原鼠兔是优势害鼠 ,狭翅雏蝗、小翅雏蝗和红翅皱膝蝗是优势害虫。高原鼠兔密度为 2 .5只 / hm2 ,高原鼢鼠为 3只 / hm2 ;蝗虫平均密度为 2 1头 / hm2。Grassland rodents and locusts pests occurred in 1997～1998 were investigated. The results indicated that rodents and locusts had a wide distribution in all five major type grasslands, especially in alpine meadow and alpine steppe. A total of 22 506 hm 2and 21 986 hm 2 grassland suffered from rodents and locusts damage, respectively. Predominant harmful rodents were Myospalax baileyi and Ochotona curzoniae. Predominant locusts were Chorthippus dubibius, Chorthippus fillax and Angaracris rhodopa. The densities of Myospalax baileyi and Ochotona curzoniae were 3.0 and 2.5 individuals/hm 2. Average density of locusts was 21 individuals/hm 2.

关 键 词：优势种 草原害虫 草原害鼠 危害 防治 

分 类 号：S812.6[农业科学—草业科学]