水曲柳落叶松人工混交林中树木个体生长的竞争效应模型

应用生态学报 ›› 2000, Vol. ›› Issue (5): 646-650.

水曲柳落叶松人工混交林中树木个体生长的竞争效应模型

吴巩胜, 王政权

东北林业大学森林资源与环境学院, 哈尔滨150040

收稿日期:2000-03-06 修回日期:2000-05-11 出版日期:2000-09-25
通讯作者: 吴巩胜,男,1972年生,博士生.主要从事森林生态学研究,发表论文多篇.E-mail:wu_gsh@263.net
基金资助:
国家“九五”科技攻关项目(96-011-02-01)

Individual tree growth-competition model in mixed plantation of manchurian ash and dahurian larch

WU Gongsheng, WANG Zhengquan

School of Forest Resources and Environment, Northeast Forestry University, Harbin 150040

Received:2000-03-06 Revised:2000-05-11 Online:2000-09-25

摘要/Abstract

摘要： 本研究从水曲柳落叶松混交林中树木的种内种间竞争机制出发,对与距离有关的竞争模型和邻体干扰模型进行了改进,提出了以竞争指数分量和竞争效应系数来量化树木间的空间竞争.根据野外的实测数据,以年材积生长量为因变量各竞争指数分量为自变量,通过多元回归分析建立了树木个体生长的竞争效应模型,回归结果有很好的拟合优度.本研究为空间竞争模型的进一步改进和生态学研究植物竞争生长关系提供了新的思路.

Abstract: Based on distance dependent competition models and neighborhood interference models,the competition index components and competition effect coefficients were used to quantify the spatial competition among trees in the mixed plantation of ash(Fraxinus mandshurica) and larch(Larix gmelini).Taking each component of competition index as independent variables and the yearly volume growth as dependent variable,the competition growth model was established with good regression result.The study provided a new approach to deal with the further improvement of spatial competition models and the plant competition growth relationship ecological study.

吴巩胜, 王政权. 水曲柳落叶松人工混交林中树木个体生长的竞争效应模型[J]. 应用生态学报, 2000, (5): 646-650.

WU Gongsheng, WANG Zhengquan. Individual tree growth-competition model in mixed plantation of manchurian ash and dahurian larch[J]. Chinese Journal of Applied Ecology, 2000, (5): 646-650.

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