| 秦岭太白山桦林的稳定性 |
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| 引用本文： | 朱志诚.秦岭太白山桦林的稳定性[J].武汉植物学研究,1991,9(2):169-175. |
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| 作者姓名： | 朱志诚 |
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| 作者单位： | 西北大学生物系 西安 |
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| 摘 要： | 本文论述了桦林的稳定性。文中认为桦林地质时期和现代都可形成地带性森林,它是凉温湿润气候的顶极群落,分布在暖温带落叶阔叶林与湿冷生针叶林之间的凉温湿润地带。因此这类林的区系组成无论地质时期或现代,都是以暖温带落叶阔叶林和寒温带针叶林的混合成分为特征。
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| 关 键 词： | 太白山 桦林 稳定性 |
STABILITY OF THE BETULA FORESTS IN THE TAIBAI MOUNTAIN OF QINLING MOUNTAIN RANGE |
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| Zhu Zhicheng.STABILITY OF THE BETULA FORESTS IN THE TAIBAI MOUNTAIN OF QINLING MOUNTAIN RANGE[J].Journal of Wuhan Botanical Research,1991,9(2):169-175. |
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| Authors: | Zhu Zhicheng |
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| Institution: | Department of Biology, Northwestern University, Xian 710069 |
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| Abstract: | The present paper deals with stability of the birch forest. The birch forests are considered as the forests of zone at geological period and modern times. They are climatic climax in cool-warm moist climate, and distribute in the cool-warm moist zone between the temperate deciduous broadleaf forest region and the cold-temperate needleleaf forest region Therefore the flora elements of the birch forests are mixed elements of the temperate deciduous broadleaf forest and cold-temperate needleleaf forest at geologica period and modern times. |
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| Keywords: | The Taibai mountain Birch forests Stability |
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