青海湖滨区草地蝗虫发生与环境因素关联性的初步探讨  被引量:8

RESEARCH OF CORRELATION BETWEEN GRASSHOPPER AND ENVIRONMENTAL FACTOR IN THE REGION AROUND QINGHIA LAKE

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作  者:巩爱岐[1] 王薇娟[1] 张生合[1] 

机构地区:[1]青海省草原总站,青海西宁810001

出  处:《青海草业》2001年第2期38-41,共4页Qinghai Prataculture

基  金:国家自然科学基金资助项目 (4 96 710 5 6 )

摘  要:青海湖滨区草地蝗虫适生于海拔 31 0 0~ 350 0m ,植被盖度 60 %~ 85%的温性草原和高寒草原上坡度≤ 9℃的缓坡区 ;其种群数量主要受胚胎期和蝗蝻期温湿 (或温雨 )系数的影响 ,当胚胎期温湿系数为9%~ 1 4%、蝗蝻期温湿系数为 1 1 %~ 1 6%时 。Grasshopper are suitable in the temperate grassland and alpine grassland with an elevation 3100~3500m,cover of vegetation reavhes to。60%~85% sloping ares(≤9°).Grasshoppers quantity were effected by temperature coefficient of embryonic and larva period.. Grasshoppers were occurring when temperature coefficient reached to 9%~14% during embryonic period and 11%~16% during larva period.

关 键 词:草地 蝗虫 环境因素 关联性 

分 类 号:S8433.2[农业科学—畜牧兽医]

 

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