-3/2方自疏法则的机理与普适性
Mechanism and universality of Yoda's -3/2 law of self-thinning in plant population
查看参考文献15篇
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文摘
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根据植物构件性理论，对经验规律-3/2方自疏法则进行了理论推导，对-3/2方自疏法则以前不能解释的实验结果进行了理论分析，并以春小麦（Triticum aestiunm L.）为材料，设置了4个密度梯度的实验，定期测定个体形态及种群数量指标，证明了-3/2方自疏法法则对春小麦作物种群的适用性，同时，基于所测定的植株形态数据，结合数值的量纲变化特点对-3/2方自疏法则的普适性进行了理论解释。 |
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其他语种文摘
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According to plant modular theory, the Yoda's - 3/2 law of self-thinning was theoretically rederived in this pa-per. With the parameters in the expression of Yoda's - 3/2 law being given biological meanings, this article of-fered universal and rational explanations for relevant data in literatures that could not be explained before. Based on the authors' hypothesis, the experiments on the self-thinning process of spring wheat ( Triticum aestvuum L. ) were conducted. Individual morphological and population quantitative indexes were examined at regular in-tervals. The results showed that the self-thinning process of spring wheat conformed to Yoda's - 3/2 law of self-thinning. At the same time, the universality of Yoda's - 3/2 law of self-thinning was explained theoretical-ly by analyzing individual morphological data. |
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来源
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应用生态学报
,2002,13(9):1081-1084 【核心库】
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关键词
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-3/2方自疏法则
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机理
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普适性
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可塑性
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可塑相似性
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限制性
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植物种群
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地址
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1.
中国科学院植物研究所, 北京, 100093
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河南大学生物系, 开封, 475001
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兰州大学, 干旱农业生态国家重点实验室, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-9332 |
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学科
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植物学 |
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基金
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国家973计划
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河南省教育厅自然科学基金
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文献收藏号
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CSCD:1075676
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