| 黄土高原刺槐细根生长模型 |
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| 引用本文： | 胡小宁,赵忠,袁志发,郭满才,李剑.黄土高原刺槐细根生长模型[J].生物数学学报,2011(3):504-508. |
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| 作者姓名： | 胡小宁 赵忠 袁志发 郭满才 李剑 |
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| 作者单位： | 西北农林科技大学西部环境与生态教育部重点实验室;西北农林科技大学理学院;杨凌职业技术学院; |
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| 基金项目： | 国家自然科学基金(30671673) |
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| 摘 要： | 通过室分析方法建立了细根表面积密度随土层深度变化的房室模型,并根据黄土高原人工刺槐林细根的调查数据,从数值上验证了模型S=Ah~B（C＋Dh＋Eh~2＋Fh~3）是房室模型的简化形式,还进一步建立了黄土高原刺槐细根生长关于土层深度和时间的动态生长模型.经验证,该模型能准确地计算黄土高原不同水分生态区及不同时间和土层的刺槐细根表面积密度,具有很高的应用价值.
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| 关 键 词： | 黄土高原 刺槐 生长模型 室分析 |
A Model for Fine Root Growth of Robinia Pseudoacacia in the Loess Plateau |
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| HU Xiao-ning ZHAO Zhong YUAN Zhi-fa GUO Man-cai LI Jian.A Model for Fine Root Growth of Robinia Pseudoacacia in the Loess Plateau[J].Journal of Biomathematics,2011(3):504-508. |
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| Authors: | HU Xiao-ning ZHAO Zhong YUAN Zhi-fa GUO Man-cai LI Jian |
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| Institution: | HU Xiao-ning~(1,2,3) ZHAO Zhong~1 YUAN Zhi-fa~2 GUO Man-cai~2 LI Jian~1 (1 Key Laboratory of Environment and Ecology in Western China,Ministry of Education,Northwest A&F University,Yangling Shanxi 712100 China) (2 College of Science,Yangling Shanxi 712100 China) (3 Yangling Vocational & Technical College,Yangling Shanxi 712100 China) |
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| Abstract: | This paper established a compartment model of fine root surface area density with the change of soil depth;and verified its equivalence with the model S=Ah~B(C+Dh+Eh~2+Fh~3) using numerical method,according to the investigation on fine root of Robinia pseudoacacia in the Loess Plateau;then established a dynamic model for fine root growth of Robinia pseudoacacia in the Loess Plateau with depth of soil and time.It was validated the model can be used to accurately calculate the surface area density of the fine... |
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| Keywords: | The Loess Plateau Robinia pseudoacacia Growth model Compartment analysis |
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