[1]钟浔,王新杰*,和敬渊,等. 基于空间结构参数多元分布的云冷杉红松林模拟采伐研究[J].西北林学院学报,2023,38(3):146-152.[doi:10.3969/j.issn.1001-7461.2023.03.20]
　ZHONG Xun,WANG Xin-jie*,HE Jing-yuan,et al. Simulated Harvesting of Spruce-Fir Red Pine Forest Based on Multivariate Distribution of Spatial Structure Parameters[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(3):146-152.[doi:10.3969/j.issn.1001-7461.2023.03.20]
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 基于空间结构参数多元分布的云冷杉红松林模拟采伐研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第3期
页码:
146-152
栏目:
出版日期:
2023-05-31

文章信息/Info

Title:
 Simulated Harvesting of Spruce-Fir Red Pine Forest Based on Multivariate Distribution of Spatial Structure Parameters
文章编号:
1001-7461(2023)03-0146-07
作者:
 钟浔1; 王新杰1*; 和敬渊1; 柴雷1; 刘佳荣1; 刘丽2
 （1.北京林业大学，北京 100083；2.中国地质调查局 自然资源综合调查指挥中心，北京 100055）
Author(s):
 ZHONG Xun1; WANG Xin-jie1*; HE Jing-yuan1; CHAI Lei1; LIU Jia-rong1; LIU Li2
 (1.Beijing Forestry University,Beijing 100083,China; 2.China Geological Survey Natural Resources Integrated Survey Command Center,Beijing 100055,China)
关键词:
 ; 结构化森林经营; 林分空间结构; 多元分布; 模拟采伐
Keywords:
 ; structured forest management;  stand spatial structure;  multivariate distribution;  simulated logging
分类号:
S750
DOI:
10.3969/j.issn.1001-7461.2023.03.20
文献标志码:
A
摘要:
 验证以林分空间结构参数四元分布作为林分结构调整依据的有效性，为林分结构调整及抚育采伐中合理选择采伐木提供理论依据。以延吉地区金沟岭林场的云冷杉红松天然林为研究对象，设置20块距离较远的标准样地，调查记录林分的基本特征并使用混交度、角尺度、密集度及大小比数4种空间结构参数来描述林分的空间结构，根据林分空间结构参数四元分布的特点确定采伐目标树，按采伐优先级进行模拟采伐，比较伐前伐后林分空间结构参数的变化。结果表明，伐后林分中树种的重要值未产生明显变化，林分的空间结构参数在均值分布上亦无明显变化，在一元分布上体现为密集度和大小比数减小，即林分的分布更为稀疏，林木的生长环境得到改善，在四元分布上体现为满足更优林分结构（C=0.0，W=0.5，M=1.0，U=0.0）的林木占比增加。研究表明，按照林分空间参数多元分布确定采伐木并进行采伐，对林分的空间结构有一定的改善作用，可以使林分的空间结构更接近理想状态，更加符合结构化森林经营的林分目标结构，同时不会对林分的树种组成造成较大影响，可以为森林的经营生产提供参考依据。
Abstract:
 The objectives of this study were to verify the validity of the quadratic distribution of stand spatial structure parameters as the basis for stand restructuring,and to provide a theoretical basis for stand restructuring and reasonable selection of harvesting wood in felling and harvesting.In order to make the surveyed stands better represent the overall situation of the area,20 standard sample plots of spruce-fir red pine forests occurring in Jingouling Forest Farm of Yanji were set up at long distances,and the basic characteristics of the stands were surveyed.The target trees were identified according to the quadratic distribution of the spatial structure parameters,and the simulated harvesting was carried out according to the harvesting priority,and the changes of the spatial structure parameters in the stands were compared before and after the harvesting.The spatial structure parameters of the stands did not change significantly in the mean distribution,but the densities and size ratios decreased in the univariate distribution,i.e.,the stands were more sparsely distributed,and the growing environment of the stands was improved in the quadratic distribution.The proportion of trees that meet the better stand structure (C=0.0，W=0.5，M=1.0，U=0.0) increased.It is proved that determining the harvesting wood and conducting harvesting according to the multivariate distribution of stand spatial parameters has a certain improvement effect on the spatial structure of the stands,which can make the spatial structure of the stands closer to the ideal state and more consistent with the target structure of the stands for structured forest management,and at the same time,it will not have a large impact on the species composition of the stand,which can provide a reference basis for forest management and production.

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备注/Memo

备注/Memo:
 收稿日期：2022-03-29修回日期：2022-05-06
基金项目：国家重点研发项目（2017YFC050410101）。
第一作者：钟浔。研究方向：森林多目标经营。E-mail:852137487@qq.com
*通信作者：王新杰，教授。研究方向：森林结构与生长模型模拟。E-mail:xinjiew@bjfu.edu.cn
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