祁连山区不同人工草地杂草特征  

Weeds Characteristics of Different Cultivated Grassland in Qilian Mountain Areas

作　　者：景美玲[1,2] 马玉寿[1,2] 刘玉[1,2] 

机构地区：[1]青海大学研究生院,西宁810016 [2]三江源区高寒草地生态省部共建教育部重点实验室,西宁810003

出　　处：《青海畜牧兽医杂志》2013年第5期6-8,共3页Chinese Qinghai Journal of Animal and Veterinary Sciences

基　　金：国家科技支撑计划课题"祁连山天然草地生态系统修复与保护技术集成示范"(2012BAC08B03)

摘　　要：通过对祁连山区不同人工草地杂草的群落组成和物种多样性的研究,结果表明:建植2年的不同人工草地中杂草种类组成大体较为简单,从高度、盖度、生物量方面分析则种植草种相对于杂草而言总体生长旺盛,竞争力强占有一定优势,而疏花针茅人工草地中杂草种类丰富、竞争力较强;垂穗披碱草人工草地中甘肃马先蒿突出成为次优势种,具有较强的竞争力。The characteristics and Species Diversity of weeds community on established different artificial grassland was studied. The results showed that the composition of weed community is simple on established two - year different artificial grassland. The comparison of the biomasses, height, coverage between the weeds and grasses indicated that the grasses growth better than the weeds, and grasses have the stronger competitiveness. Stipa aliena artificial grassland has rich weeds and Stronger competitiveness. Pedieularis kansuensis＇s Simpson is sub -dominant speciese on Elymusnutans artificial grassland, it has the stronger competitiveness than other weeds.

关 键 词：祁连山 物种多样性 人工草地 杂草 

分 类 号：S812[农业科学—草业科学]