| 基于对偶回归的杉木与马尾松地位指数互导模型 |
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| 引用本文： | 吕勇,朱光玉,易烜,周根苗,邓成,周记超. 基于对偶回归的杉木与马尾松地位指数互导模型[J]. 林业资源管理, 2007, 0(1): 72-74,28 |
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| 作者姓名： | 吕勇 朱光玉 易烜 周根苗 邓成 周记超 |
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| 作者单位： | 中南林业科技大学,湖南,长沙,410004;中南林业科技大学,湖南,长沙,410004;中南林业科技大学,湖南,长沙,410004;中南林业科技大学,湖南,长沙,410004;中南林业科技大学,湖南,长沙,410004;中南林业科技大学,湖南,长沙,410004 |
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| 基金项目： | 湖南省教育厅科研项目，中南林学院校科研和教改项目 |
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| 摘 要： | 应用对偶回归分析法,结合相关系数分析,对雪峰山地区324块同时具有杉木和马尾松地位指数值数据的样地进行对偶回归分析,建立了不同地地貌类型的雪峰山杉木与马尾松地位指数互导模型,模拟效果较好。预测误差值分布稳定,建模的平均相对误差为1.95%,模型适用性检验的平均相对误差为3.18%。不仅解决了地位指数代换偏差较大,精度不够高的问题,而且简化了建模的过程,提高了模型的实用性。
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| 关 键 词： | 杉木 马尾松 地位指数 互导模型 对偶回归 |
| 文章编号： | 1002-6622（2007）01-0072-03 |
| 收稿时间： | 2006-08-06 |
| 修稿时间： | 2006-08-062006-09-01 |
The Dual Regression Based Interconvertible Model of the Site Indices of Chinese Fir and Masson Pine |
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| LU Yong,ZHU Guangyu,YI Xuan,ZHOU Genmiao,DENG Cheng,ZHOU Jichao. The Dual Regression Based Interconvertible Model of the Site Indices of Chinese Fir and Masson Pine[J]. Forest Resources Management, 2007, 0(1): 72-74,28 |
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| Authors: | LU Yong ZHU Guangyu YI Xuan ZHOU Genmiao DENG Cheng ZHOU Jichao |
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| Affiliation: | Central South University of Forestry and Technology, Changsha 410004, Hunan Province, China |
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| Abstract: | The dual regression method was used,along with relevant factors,for analysing a total of 324 sample plots with site-index value data of Chinese fir and Masson pine in Xuefeng mountain area.The site-index interconvertible model for Chinese fir and Masson pine was established.Good simulation results were achieved and prediction error distribution was stable.The average relative error rate in modeling was 1.95% and the average relative error rate in model application test was 3.18%.As a result,the issue of site-index replacement deviation was addressed and the accuracy improved,and what's more,the modelling process simplified and the practical performance of the models enhanced. |
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| Keywords: | Chinese fir Masson pine site index interconvertible model dual regression |
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