川西亚高山箭竹-岷江冷杉原始林优势树种的空间格局分析

doi:10.13466/j.cnki.lyzygl.2014.06.019

林业资源管理 ›› 2014›› Issue (6): 85-90.doi: 10.13466/j.cnki.lyzygl.2014.06.019

川西亚高山箭竹-岷江冷杉原始林优势树种的空间格局分析

刘文敬¹, 徐雨², 王浪杰³, 缪宁³

1.北京林业大学国家林业局自然保护区中心,北京 100083;
2.平顶山学院资源与环境科学学院,河南平顶山 467000;
3.四川大学生命科学学院生物资源与生态环境教育部重点实验室,成都 610064

收稿日期:2014-11-28 修回日期:2014-12-18 出版日期:2014-12-28 发布日期:2020-11-23
通讯作者: 缪宁(1981-),男,新疆人,讲师,博士,主要从事森林生态学和恢复生态学研究。Email:miaoning@scu.edu.cn
作者简介:刘文敬(1980-),女,河北泊头人,助理研究员,硕士,主要从事自然保护区管理和野生动植物保护与利用研究。Email:fnrrc@sohu.com
基金资助:
林业公益性行业科研专项(201404422);国家自然科学基金项目(31200477)

Spatial Pattern Analysis of Dominant Tree Species in the Prim Bamboo-faxon Fir Forest in Sub-alpine Area in Western Sichuan,China

LIU Wenjing¹, XU Yu², WANG Langjie³, MIAO Ning³

1. SFA’s Natural Reserve Research Center,Beijing Forestry University,Beijing 100083,China;
2. School of Resources and Environmental Sciences,Pingdingshan University,Pingdingshan,Henan 467000,China;
3. Key Laboratory of Bio-resource and Eco-environment of Ministry of Education,College of Life Sciences,Sichuan University,Chengdu 610064,China

Received:2014-11-28 Revised:2014-12-18 Online:2014-12-28 Published:2020-11-23

摘要/Abstract

摘要： 箭竹-岷江冷杉林是川西亚高山暗针叶林的重要类型,研究其优势树种的空间分布格局和空间关联性对其恢复和保育具有参考意义。采用林木定位调查法,分别用Ripley’sL(t)和L₁₂(t)函数分析群落中优势树种的空间分布格局和空间关联。结果表明:群落的优势树种为岷江冷杉(Abies faxoniana)、红桦(Betula albosinensis)和云杉(Picea asperata),群落层次结构分明。3个优势树种在小尺度上均为聚集分布,其分布格局随尺度增大而变化。岷江冷杉种群在0~11m的尺度上呈聚集分布,而在11~20m的尺度上呈随机分布;红桦种群在0~14m的尺度上呈聚集分布,而在14~20m的尺度上呈随机分布;云杉种群在0~20m尺度上均呈聚集分布。3个优势树种间的空间关联性在0~20m尺度上均呈显著的相互独立关系,表明它们相互之间作用微弱。

关键词: 箭竹-岷江冷杉林, 空间分布格局, 空间关联, 优势树种, 点格局分析, 川西亚高山

Abstract: Bamboo-faxon fir forest is one of the most important dark coniferous forests in western Sichuan province,China.The spatial patterns and associations of dominant tree species in the forest were researched to offer references for restoration and conservation of the dark coniferous forests.Using Ripley’s univariate L(t)and bivariate L₁₂(t) functions,we analyzed the spatial patterns and inter-specific associations of three dominant tree species in a 40 m×40 m primeval bamboo-faxon fir forest plot in sub-alpine area of western Sichuan,China.The results showed that stratification of the vertical structure of the plant community was obvious.There were three dominant tree species which Abies faxoniana,Betula albosinensis and Picea asperata.L(t).Function analysis showed the spatial patterns of three dominant tree species were changed with scales.A.faxoniana was significantly aggregated at 0~11 m scale,while randomly distributed at 11~20 m scale.B.albosinensiswas significantly aggregated at 0~14 m scale,while randomly distributed at 14~20 m scale.P.asperata clumped and was distributed at 0~20 m scale.From the analysis of L₁₂(t)function,the results showed three dominant tree species were significantly independent with each other at the scales of 0~20 m,indicating that those species had little influence on each other.

Key words: bamboo-faxon fir forest, spatial pattern, spatial association, dominant tree species, point pattern analysis, sub-alpine area of western Sichuan

中图分类号:

S718.5

刘文敬, 徐雨, 王浪杰, 缪宁. 川西亚高山箭竹-岷江冷杉原始林优势树种的空间格局分析[J]. 林业资源管理, 2014,(6): 85-90.

LIU Wenjing, XU Yu, WANG Langjie, MIAO Ning. Spatial Pattern Analysis of Dominant Tree Species in the Prim Bamboo-faxon Fir Forest in Sub-alpine Area in Western Sichuan,China[J]. FOREST RESOURCES WANAGEMENT, 2014,(6): 85-90.

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川西亚高山箭竹-岷江冷杉原始林优势树种的空间格局分析

Spatial Pattern Analysis of Dominant Tree Species in the Prim Bamboo-faxon Fir Forest in Sub-alpine Area in Western Sichuan,China

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