| 积雪对长白山阔叶红松林土壤温度的影响 |
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| 引用本文： | 于小舟,袁凤辉,王安志,吴家兵,关德新.积雪对长白山阔叶红松林土壤温度的影响[J].应用生态学报,2010,21(12):3015-3020. |
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| 作者姓名： | 于小舟 袁凤辉 王安志 吴家兵 关德新 |
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| 作者单位： | 1.中国科学院沈阳应用生态研究所,沈阳 110016;2.中国科学院研究生院,北京 100049 |
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| 基金项目： | 林业公益性行业科研专项，国家重点基础研究发展计划项目，中国科学院知识创新工程重要方向项目 |
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| 摘 要： | 2004-2007年对长白山阔叶红松林林地进行遮雪试验，观测了有雪、无雪覆盖的森林土壤温度和气温.结果表明:积雪对土壤温度变化有明显的缓冲作用，有雪覆盖减缓了土壤温度的变化; 积雪对浅层（0～20 cm）土壤有较好的保温作用，随雪深的增加，保温作用增大，雪深从10 cm 增至20 cm时保温作用的增幅最大，当雪深超过30 cm时，保温作用的增幅不明显; 融雪期土温经历0 ℃左右的恒温期后缓慢上升，恒温期的持续时间主要由冬季的雪深及其时间分布所决定.
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| 关 键 词： | 阔叶红松林 雪 土壤温度 长白山 森林土壤 潜在可矿化碳 易矿化碳 碳水化合物 季节变化 |
Effects of snow cover on soil temperature in broad-leaved Korean pine forest in Changbai Mountains |
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| YU Xiao-zhou,YUAN Feng-hui,WANG An-zhi,WU Jia-bing,GUAN De-xin.Effects of snow cover on soil temperature in broad-leaved Korean pine forest in Changbai Mountains[J].Chinese Journal of Applied Ecology,2010,21(12):3015-3020. |
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| Authors: | YU Xiao-zhou YUAN Feng-hui WANG An-zhi WU Jia-bing GUAN De-xin |
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| Institution: | 1.Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | A snow-shading experiment was conducted in a broad-leaved Korean pine forest in Changbai Mountains from 2004 to 2007 to observe the soil temperature with and without snow cover. Snow cover played an important buffering role in the change of soil temperature,namely,slowed down the change process of soil temperature. The effect of snow cover on preserving soil heat was quite obvious in shallow soil layer ( 0-20 cm) ,and enhanced with increasing snow depth. When the snow depth increased from 10 to 20 cm,the ef... |
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| Keywords: | broad-leaved Korean pine forest snow soil temperature Changbai Mountains |
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