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载畜率对荒漠草原植物群落影响的研究

贾乐,赵萌莉,韩国栋

Chinese Journal of Grassland（2012）

Cited 6|Views21
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Abstract
<正>对不同载畜率下短花针茅荒漠草原植物群落特征进行比较,结果表明:不同植物种群的盖度对载畜率的响应不同,无芒隐子草盖度在轻度放牧区最大,栉叶蒿盖度在7月份、8月份分别以中度放牧区和轻度放牧区最大;短花针茅、冷蒿、阿氏旋花、细叶葱、木地肤随载畜率增大高度下降明显,猪毛菜高度在四个载畜率下差异均不显著;随着载畜率的增大,植物群落生物量呈下降趋势,且重度放
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Desert steppe,Stocking rate,Importance value,Diversity index
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