| 内蒙古图牧吉自然保护区羊草种群营养繁殖特性的比较 |
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| 引用本文： | 李海燕,李建东,徐振国,周景英,张建峰.内蒙古图牧吉自然保护区羊草种群营养繁殖特性的比较[J].草业学报,2011,20(5):19-25. |
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| 作者姓名： | 李海燕 李建东 徐振国 周景英 张建峰 |
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| 作者单位： | 1. 东北师范大学草地科学研究所植被生态科学教育部重点实验室,吉林长春,130024
2. 内蒙古图牧吉国家级自然保护区,内蒙古扎赉特旗,137600 |
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| 基金项目： | 国家科技支撑计划(2008BADB0B06-01); 国家自然科学基金(30770397,30901049); 东北师范大学青年基金(20090501)资助 |
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| 摘 要： | 在内蒙古图牧吉国家级自然保护区内,对草甸和草甸草原上灰绿型和黄绿型2个生态型羊草种群营养繁殖的诸数量特征进行了比较研究.结果表明,在2种植被类型中,灰绿型和黄绿型羊草分蘖株的数量和生物量均由4个龄级组成,且均以4a所占比重最小,呈稳定型或增长型龄级结构；根茎均以2 a所占比重最大,呈稳定型龄级结构；2个生态型羊草的单株...
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| 关 键 词： | 草甸 草甸草原 羊草 灰绿型 黄绿型 营养繁殖 |
Vegetative reproduction characteristics of Leymus chinensis populations in Tumuji National Nature Reserve,Inner Mongolia |
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| LI Hai-yan,LI Jian-dong,XU Zhen-guo,ZHOU Jing-ying,ZHANG Jian-feng.Vegetative reproduction characteristics of Leymus chinensis populations in Tumuji National Nature Reserve,Inner Mongolia[J].Acta Prataculturae Sinica,2011,20(5):19-25. |
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| Authors: | LI Hai-yan LI Jian-dong XU Zhen-guo ZHOU Jing-ying ZHANG Jian-feng |
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| Affiliation: | LI Hai-yan1,LI Jian-dong1,XU Zhen-guo2,ZHOU Jing-ying2,ZHANG Jian-feng2(1.Institute of Grassland Science,Northeast Normal University,Key Laboratory of Vegetation Ecology,Ministry of Education,Changchun 130024,China,2.Tumuji National Natural Reserve,Zalaid Qi 137600,China) |
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| Abstract: | Quantitative features of vegetative reproduction of grey-green and yellow-green Leymus chinensis on meadow and meadow steppe were studied in Tumuji National Nature Reserve,Inner Mongolia.In two vegetation types,the number and biomass of two ecotype L.chinensis tillers consisted of four age classes of which the 4-year tillers were the fewest.The tillers were stable or expansive age structures.The 2-year rhizomes were dominant,and were stable age structures.The productivity per tiller of 1-year tillers of the... |
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| Keywords: | meadow meadow steppe Leymus chinensis grey-green ecotype yellow-green ecotype vegetative reproduction |
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