[1]金鹏,徐明,文春玉,等. 黔中地区马尾松-甜槠针阔混交林群落结构特征与林木空间分布格局及其关联性[J].西北林学院学报,2024,39(1):132-139.[doi:10.3969/j.issn.1001-7461.2024.01.18]
 JIN Peng,XU Ming,WEN Chun-yu,et al. Community Structure Characteristics and Forest Spatial Distribution Pattern and Their Correlation of Pinus massoniana-Castanopsis eyrei Mixed Forest in Central Guizhou[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2024,39(1):132-139.[doi:10.3969/j.issn.1001-7461.2024.01.18]
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 黔中地区马尾松-甜槠针阔混交林群落结构特征与林木空间分布格局及其关联性()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第39卷
期数:
2024年第1期
页码:
132-139
栏目:
出版日期:
2024-01-31

文章信息/Info

Title:
 Community Structure Characteristics and Forest Spatial Distribution Pattern and Their Correlation of Pinus massoniana-Castanopsis eyrei Mixed Forest in Central Guizhou
文章编号:
1001-7461(2024)01-0132-08
作者:
 金鹏徐明文春玉聂坤杨雪唐雪娅魏珊张健*
 (贵州大学 生命科学学院,贵州 贵阳 550025)
Author(s):
 JIN PengXU MingWEN Chun-yuNIE KunYANG XueTANG Xue-yaWEI ShanZHANG Jian*
 (College of Life Sciences,Guizhou University,Guiyang 550025,Guizhou,China)
关键词:
 马尾松针阔混交林群落结构林木空间分布
Keywords:
Pinus massoniana coniferous and broad-leaved mixed forest community structure forest tree spatial distribution
分类号:
S757.2
DOI:
10.3969/j.issn.1001-7461.2024.01.18
文献标志码:
A
摘要:
 为探究黔中地区天然次生马尾松针阔混交林群落结构及其空间分布格局特征,选取典型的马尾松-甜槠针阔混交林和马尾松纯林为调查对象,采用成对相关函数分析环境异质性对主要树种空间分布的影响、主要树种及径级空间格局和空间关联性研究。调查共记录91种植物,其中马尾松-甜槠针阔混交林和马尾松纯林分别为42种和68种。2个森林群落中乔木总径级整体均呈倒“J”形结构,结构稳定,自然更新良好。结果表明,生境异质性对2种群落类型在小距离上空间分布格局的影响作用明显。2块样地幼树、中树及总体分布格局相似,均为点距离在0~10 m内呈聚集分布、在10~25 m内呈随机分布,而大树在整个观察尺度内均为随机分布。马尾松纯林中马尾松-甜槠、甜槠-槲栎的空间关联性均以不相关为主,马尾松-槲栎以负相关为主;而马尾松-甜槠针阔混交林中马尾松与甜槠在10~20 m以负相关为主。2种群落类型不同径级的空间关联性总体为不相关。黔中山地天然次生马尾松-甜槠针阔混交林、马尾松纯林群落结构存在差异,环境异质性、径级结构和空间尺度对两者空间分布格局及其关联性影响明显。
Abstract:
 In order to explore the community structure and spatial distribution pattern characteristics of natural secondary conifer-broadleaved mixed forest of Pinus massoniana in central Guizhou,typical mixed P.massoniana-Castanopsis eyre forest and pure P.massoniana forest were selected as the survey objects.Paired correlation function was adopted to analyze the influence of environmental heterogeneity on the spatial distribution of main tree species,the spatial pattern and spatial correlation of main tree species and diameter class.A total of 91 species of plants were recorded,including 42 and 68 species in the mixed forest and pure forest,respectively.The total diameter class of the trees in the two forest communities showed an inverted ’J-shape’ with stable structure and good natural regeneration.Habitat heterogeneity had a significant influence on the spatial distribution pattern of the two community types at small distances.The distribution pattern of saplings,middle trees and the overall distribution pattern were similar in the two sampling plots:in the range of 0-10 m,the point distance was in aggregated distribution,random distribution in the range of 10-25 m,and for the big trees,it was in random distribution in whole observation scale.In pure P.massoniana forest,P.massoniana & C.eyrei and C.eyrei & Quercus aliena were mostly uncorrelated in special correlationship and P.massoniana & Q.aliena was mainly negatively correlated.In the mixed forest of P.massoniana & C.eyrei,the two species were mainly negatively correlated in the range of 10-20 m.The spatial correlation of different diameter classes of the two community types was generally uncorrelated.It is concluded that the community structure and spatial distribution pattern of natural secondary broad-leaved mixed forest P.massoniana-C.eyrei coniferous and in central Guizhou mountainous area are significantly different from those of pure P.massoniana forest.The two forests studied are different in community structure.Environmental heterogeneity,diameter structure and spatial scale have obvious effects on the spatial distribution pattern and correlation of the two.

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备注/Memo

备注/Memo:
 收稿日期:2022-12-31修回日期:2023-03-24
基金项目:国家自然科学基金(31960234,31660150);贵州大学“SRT计划”项目(2021SRT-273)。
第一作者:金鹏。研究方向:植物生态学。E-mail:1934171891@qq.com。
*通信作者:张健,博士,副教授。研究方向:微生物生态学。E-mail:zhangjian12102@163.com
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