化隆县草地鼠虫害秋季基数调查及预测  

AUTUMN CARDINAL NUMBER OF RODENTS AND PESTS IN HUALONG COUNTY

作　　者：宋生发[1] 喇得元[1] 

机构地区：[1]化隆县草原工作站,青海巴燕镇810900

出　　处：《青海草业》2006年第4期51-53,共3页Qinghai Prataculture

摘　　要：通过对化隆县草地鼠虫害秋季基数调查,预测2007年高原鼠兔为387个/hm2有效洞口,发生面积2800 hm2,危害面积1500 hm2;高原鼢鼠密度可达280个/hm2土丘数,发生面积40500 hm2,危害面积21500 hm2;蝗虫发生面积40500 hm2,危害面积21500 hm2,危害密度可达152.9头/m2。From autumn cardinal number investigation of grassland rodents and pests in Hualong county . The forecasting results shows that the live holes of rodents reaches to 387 hole/ha, rodents area reaches to 2800ha, damage area reaches to 1500ha. Density of myospalax baileyi reaches to 280hole/ha, rodents area reaches to 40500ha,damage area reaches to 21500ha. Locusts area reaches to 40500ha , damage area reaches to 21500ha, Locusts density reaches to 152.9head/m^2.

关 键 词：鼠虫害 基数 调查 预测 

分 类 号：S443[农业科学—农业昆虫与害虫防治]