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当前位置: 首页 > 文章 > 云南哀牢山主峰两侧沉积物孢粉区系成分对比分析 亚热带植物科学 2009,38 (2) 1-5
Position: Home > Articles > Floristic Elements of Sediment Spore-pollen between Western and Eastern Sample Plots beside Main Peak of Ailao Mountain in Yunnan Subtropical Plant Science 2009,38 (2) 1-5

云南哀牢山主峰两侧沉积物孢粉区系成分对比分析

作  者：
郝成元;陈志超;吴绍洪
单  位：
河南理工大学;中国科学院
关键词：
哀牢山;沉积物孢粉;植物区系;印度夏季风;东亚冬季风
摘  要：
哀牢山作为滇东高原与横断山系南段滇西南山地的分界线,其高大山脉造就了山体两侧气候、植被差异显著。本研究以沉积物孢粉为媒介,对山脉主峰两侧的植物物种区系成分进行对比分析。结果显示,哀牢山西坡样地受印度夏季风影响程度高于东坡样地,沉积物孢粉中热带成分大于东坡,分别为6.8%和4.7%;哀牢山东坡样地则受北来东亚冬季风影响显著,造成东坡样地孢粉中北温带成分远大于西坡样地,分别为26.4%和13.4%。哀牢山成为印度夏季风与东亚冬季风的重要分界之一。
译  名：
Floristic Elements of Sediment Spore-pollen between Western and Eastern Sample Plots beside Main Peak of Ailao Mountain in Yunnan
作  者：
HAO Cheng-yuan1,CHEN Zhi-chao1,WU Shao-hong2(1.Henan Polytechnic University,Jiaozuo 454000,Henan China;2.Institute of Geographic Sciences and Natural Resource Research,Chinese Academy of Sciences,Beijing 100101,China)
关键词：
Ailao Mountain;sediment spore-pollen;flora;India summer monsoon;East Asia winter monsoon
摘  要：
As the natural boundary between the eastern Yunnan plateau and the southwestern Yunnan in Hengduan Mountains,the large-scale prominent terrain leads to obvious regional difference of climate and vegetation on both sides of Ailao Mountain.In this article,a comparative analysis is made on plant species floristic elements of sediment spore-pollen in two sample plots beside the main peak respectively.The results show that there is a remarkable difference on sediment spore-pollens between these two sample spots while there is no on the topsoil spore-pollens.The tropical genera elements of sediment spore-pollens is higher in the western sample plot(6.8%) than one in eastern part(4.7%) because the western plot is controlled by India summer monsoon at all times.And the north temperate elements of sediment spore-pollens is lower in the western sample plot(13.4%) than one in eastern part(26.4%) because the eastern plot is influenced evidently sometimes by East Asia winter monsoon.In a word,Ailao Mountain is one of important boundaries between India summer monsoon and East Asia winter monsoon.

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