| 生态梯度轴(EGA)用于林木生态遗传的研究——CA方法估算EGA(CA1)和EGA(r2) |
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| 引用本文： | 顾万春,王维胜,李斌,郭文英.生态梯度轴(EGA)用于林木生态遗传的研究——CA方法估算EGA(CA1)和EGA(r2)[J].生态学报,1993,13(2):148-156. |
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| 作者姓名： | 顾万春 王维胜 李斌 郭文英 |
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| 作者单位： | 中国林业科学院林业研究所 |
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| 摘 要： |
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| 关 键 词： | 生态梯度 生态遗传 林木 |
| 收稿时间： | 1991/10/4 0:00:00 |
| 修稿时间： | 1992/3/16 0:00:00 |
STUDY ON THE APPLICATION OF ECOLOGICAL GRADIENT AXES(EGA) IN FOREST ECOLOGICAL GENETICS-USING CA METHOD TO ESTIMATE EGA1) and EGA(r2) |
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| Gu Wan-Chun.STUDY ON THE APPLICATION OF ECOLOGICAL GRADIENT AXES(EGA) IN FOREST ECOLOGICAL GENETICS-USING CA METHOD TO ESTIMATE EGA1) and EGA(r2)[J].Acta Ecologica Sinica,1993,13(2):148-156. |
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| Authors: | Gu Wan-Chun |
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| Institution: | Research Institute of Forestry; CAF; Beijing 100091 |
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| Abstract: | The multivarible geographic coordinates and ecological factors were reduced to a single element by using the principle and technology of canonical correlation. Two ecological gradient axes (EGA) were suggested: EGA(CA) and EGA(r2). These two EGA were calculated among twenty provenances of American elm. The average correlation coefficients between the two EGA and six environmental factors were 0.8551 and 0.8604.The multiple correlation coefficients were 0.9998 and 0.9985,respectively All environmental factor... |
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| Keywords: | canonical correlation ecological gradient gradient variation |
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