围栏草地在青南牧区防灾减灾作用的调查  

IIVESTIGATION INCREASE HERBAGE PRODUCTION WITH ENCLOSURE AND PREVENT SNOW-CALAMITY IN SOUTHERN AREA OF QINGHAI PASTURE

作　　者：康海军[1] 赵鹏[1] 彭毛 

机构地区：[1]青海省草原总站,青海西宁810008 [2]黄南州河南县草专队,811500

出　　处：《青海草业》2000年第2期29-30,25,共3页Qinghai Prataculture

摘　　要：对青南地区六个县天然草地围栏内、外进行了测产，结果表明：围栏内平均产草量为4995．6kg／hm2，围栏外平均产草量为4076．98kg／hm2，围栏草地比未围栏的草地产量平均提高22.53％；在植被结构方面，围栏内植物种类增加，盖度加大，高度增加，围栏草地对抵抗雪灾起到了十分重要的作用。Herbage Production measure outside and inside of enclosure on 6 southern counties of Qinghai Province. The result showed that inside the enlosure, the herbage produc ion is 4995. 6 ha average, the herbadg production is 4076. 98, outside the enclosure. Herbage pro duction average inside enclosure is increased 22. 53% than outside. The plant variety, cov erness,plant-hight increased inside the enclosure,These are useful to resiste snow clamity.

关 键 词：青南牧区 围栏草地 防雪灾调查 

分 类 号：S427[农业科学—植物保护]