[1]王飞,曹秀文*,刘锦乾,等. 白龙江林区2种次生林群落组成与结构特征[J].西北林学院学报,2021,36(3):44-51.[doi:10.3969/j.issn.1001-7461.2021.03.07]
　WANG Fei,CAO Xiu-wen*,LIU Jin-qian,et al. Community Composition and Structural Characteristics of Two Secondary Forests in Bailongjiang Forest Area[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(3):44-51.[doi:10.3969/j.issn.1001-7461.2021.03.07]
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 白龙江林区2种次生林群落组成与结构特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第3期
页码:
44-51
栏目:
出版日期:
2021-05-31

文章信息/Info

Title:
 Community Composition and Structural Characteristics of Two Secondary Forests in Bailongjiang Forest Area
文章编号:
1001-7461(2021)03-0044-08
作者:
 王飞1; 2; 曹秀文1; 2*; 刘锦乾1; 2; 齐瑞1; 2; 赵阳1; 2; 张涛1; 2; 陈学龙1; 2; 曹家豪1; 2; 王若鉴1; 2; 武亚男1; 2; 杨静1; 2
 (1.甘肃省白龙江林业管理局 林业科学研究所，甘肃 兰州 730070；2.甘肃白龙江森林生态系统国家定位观测研究站，甘肃 舟曲 746300)
Author(s):
 WANG Fei1; 2; CAO Xiu-wen1; 2*; LIU Jin-qian1; 2; QI Rui1; 2; ZHAO Yang1; 2; ZHANG Tao1; 2; CHEN Xue-long1; 2; CAO Jia-hao1; 2; WANG Ruo-jian1; 2; WU Ya-nan1; 2; YANG Jing1; 2
 (1.Institute of Forestry Science,Bailongjiang Forestry Management Bureau of Gansu Province,Lanzhou 730070,Gansu,China; 2.Gansu Bailongjiang National Forest Ecosystem Research Station,Zhouqu 746300,Gansu,China)
关键词:
 ; 群落组成; 次生林; 白龙江; 群落结构
Keywords:
 ; community composition;  secondary forest;  Bailong river;  community structure
分类号:
S718.5
DOI:
10.3969/j.issn.1001-7461.2021.03.07
文献标志码:
A
摘要:
 分析白龙江林区2种次生林群落与结构组成，丰富该地区森林动态资料，为该地区生物多样性保护和生态恢复提供一定的科学依据。采用群落生态学研究方法，于自然恢复林中选取次生林栎林（LL）和桦木林（HM）2种林分，分别设置8块20 m×20 m固定样地，对胸径≥3 cm的林木进行每木检尺，计算群落多样性指数、特征值和相似性系数等指标。结果表明，HM和LL中树种丰富且在群落内空间分布比较均匀。LL中共有植物70种，属于46个属、26个科，以壳斗科、蔷薇科、松科、忍冬科为主；HM中共有植物63种，属于35个属、22个科，以桦木科、蔷薇科、松科、杨柳科为主。LL和HM径级结构均呈倒“J”型，群落个体主要集中在Ⅰ～Ⅲ级，Ⅴ龄级以后个体较少，表明2种群落均为增长型。2种次生林群落树种组成、空间结构存在异同，HM和LL群落均表现出多数种集中在少数科。说明试验林分植被恢复遵循群落演替动态规律，选择起源和演化具有相似性的树种作为建群种。建议在该地区搭配合理的其他树种，提高林分质量，加强次生林优势植物的利用。
Abstract:
 To analyze the community composition and structure of two secondary forests occurring in Bailongjiang forest area,to enrich the dynamic data of the forest and to provide a scientific basis for the protection of biodiversity and ecological restoration.Based on the theory of community ecology,firstly,secondary oak forests (LL) and birch forests (HM) were selected from the naturally restoring forests,in which sample 8 plots with the size of 20 m×20 m were set up.Secondly,all the tally trees with the breast diameter greater than 3 cm were measured.Finally,diversity index,characteristic value and similarity coefficient of the trees were calculated.There were abundant tree species in HM and LL groups and their spatial distributions in the community were relatively uniform.Seventy plant species,belong to 26 families and 46 genera were observed in LL group,with the dominant family Fagaceae,Rosaceae,Pinaceae and Caprifoliaceae; 63 plant species were found in HM group,belonging to 22 families and 35 genera,with the dominant family Betulaceae,Rosaceae,Pinaceae and Salicaceae.The diameter class structures of LL and HM groups presented a “J” pattern.The community individuals were mainly concentrated in gradesⅠto Ⅲ,and there were fewer individuals large thanⅤgrade,indicating that the two groups were the growing type.Differences and similarities in tree species of composition and spatial structure existed between the two groups,in which most species were concentrated in a minority group of the family level.The vegetation restoration in the experimental forests followed the dynamic law of community succession,and tree species with similar origins and evolution should be selected as constructive species.Therefore,it was recommended to mix reasonable tree species in the secondary forests to improve the quality of the stands in Bailongjiang forest area to strengthen the use of dominant plants.

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备注/Memo

备注/Memo:
 收稿日期：2020-06-18修回日期：2020-08-03
基金项目：甘肃省2019年林业科技创新与国际合作项目(KJCX201909)；甘肃省林业科技项目(2015kj045，2016kj058)。
作者简介：王飞，工程师。研究方向：森林生态。E-mail：173763825@qq.com
*通信作者：曹秀文，正高级工程师。研究方向：林业土壤。E-mail：1336190642@qq.com
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