| 天山北坡三工河流域中山带森林发育与气候土壤的关系 |
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| 引用本文： | 李艳忠,罗格平,许文强,尹昌应,韩其飞,冯异星.天山北坡三工河流域中山带森林发育与气候土壤的关系[J].山地学报,2011,29(1). |
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| 作者姓名： | 李艳忠 罗格平 许文强 尹昌应 韩其飞 冯异星 |
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| 作者单位： | 1. 中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011;中国科学院研究生院,北京100039
2. 中国科学院新疆生态与地理研究所,新疆乌鲁木齐,830011 |
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| 基金项目： | 国家自然科学基金项目(40971066); 国家高技术研究发展计划(863计划)(2008AA12Z112); 国家重点基础研究发展规划(973计划)(2009CB825105)资助项目~~ |
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| 摘 要： | 开展干旱区山地森林发育状况及其土壤因素影响的分析,对干旱区乃至全球山地森林带的成因研究具有重要的理论意义。以天山北坡三工河流域为研究区,主要利用森林调查与遥感影像数据,确定该流域森林带的分布状况,并结合流域气象与土壤采样数据,重点分析气候土壤因素对森林发育的影响。结果表明:1.该流域森林带位于海拔1 510～2 720 m,胸径与树高随海拔增加呈双峰曲线;其中胸径两个峰值分别位于约海拔2 000 m与2 550m,而树高峰值分别为海拔2 100 m与2 600 m,均稍高于胸径的峰值海拔高度;2.在森林带内,年均温随海拔高度增加呈线性下降趋势,最冷月均温(1月)则表现先增加后减小趋势;与其他地区相比,该流域高山林线年均温较高,最冷月均温相差较大,而最热月均温差异不明显;年降水量呈先增加后减小的趋势,且在海拔2 000 m左右达到最大值。土壤属性随海拔递增呈规律性的变化趋势:森林带内海拔约2 000～2 700 m树木发育较好,其有机质、全磷及全氮含量较高;CaCO3,pH值及电导率最小值与海拔2 000 m的最大降水带恰好吻合;土壤A层(0～10 cm)有机质、全磷及全氮含量与B(10～30 cm)、C(>3...
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| 关 键 词： | 天山北坡 三工河流域 气候条件 土壤属性 高山林线 |
Forest Development and Their Relationships with Climatic and Soil in the Mid-mountain Area of Sangong River Watershed, Northern Slope of Tianshan Mountains |
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| LI Yanzhong,LUO Geping,XU Wenqiang,YIN Changying,HAN Qifei,FENG Yixing.Forest Development and Their Relationships with Climatic and Soil in the Mid-mountain Area of Sangong River Watershed, Northern Slope of Tianshan Mountains[J].Journal of Mountain Research,2011,29(1). |
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| Authors: | LI Yanzhong LUO Geping XU Wenqiang YIN Changying HAN Qifei FENG Yixing |
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| Institution: | LI Yanzhong1,2,LUO Geping1,XU Wenqiang1,YIN Changying1,HAN Qifei1,FENG Yixing1,2(1.Xinjiang Institute of Ecology and Geography,CAS,Urumqi 830011,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100039,China) |
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| Abstract: | It has important theoretical significance to the cause of arid region even the world forest belt to carry out the forest development characteristic and their relationship with climatic and soil facors in aird area.The forest distribution patterns development charateristic were confirmed by field survey and Remote Sense in Sangong River watershed,and the analysis of climate and soil factors on the forest development was carried out combining meteorological and soil data.The result shows that:(1) The forest b... |
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| Keywords: | north slope of Tian Mountain Sangong River watershed climate condition soil properties alpine timberline |
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