| 不同时间草地火烧后群落地上生物量结构的变化 |
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| 引用本文： | 周道玮,祝玲.不同时间草地火烧后群落地上生物量结构的变化[J].应用生态学报,1996,7(3):280-282. |
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| 作者姓名： | 周道玮 祝玲 |
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| 作者单位： | 东北师范大学国家草地生态工程实验室 |
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| 基金项目： | 国家“八五”重点科技攻关项目 |
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| 摘 要： | 不同时间草地火烧后，群落地上生物量结构发生不同程度的变化，最明显的是火烧地各层没有立枯体组分，未烧地立枯体随季节推迟逐渐转向下层．火烧地茎矮化，各层段叶生物量皆高于未烧地，未烧地各层段茎叶比例高于火烧地．火烧地的光线通透系数高于未烧地．
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| 关 键 词： | 草地，火烧，生物量，群落 |
Structural dynamics of aboveground biomass of communities on Songnen grassland after different burning time |
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| .Zhou Daowei,Zhu Ling and Zhang Baotian.Structural dynamics of aboveground biomass of communities on Songnen grassland after different burning time[J].Chinese Journal of Applied Ecology,1996,7(3):280-282. |
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| Authors: | Zhou Daowei Zhu Ling and Zhang Baotian |
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| Abstract: | The structure of aboveground biomass of communities on Songnen grassland is changed in yaring degrees after different burning time.On burned plot,the litter is removed;but on unburned one,it is gradually transfered to the lower layer of the community.The stem is dwarfed on burned plot and its leaf biomass is greater;but on unburned plot,the ratio of stem to leaf is higher.The penetration coefficient of light is higher on burned plot than on unburned one. |
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| Keywords: | Grassland Burning Biomass Community |
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