[1]邓国右,石从广,许在恩,等.抚育对次生常绿阔叶林群落结构及目的树种生长的影响[J].浙江林业科技,2023,43(06):72-81.[doi:10.3969/j.issn.1001-3776.2023.06.010]
 DENG Guoyou,SHI Congguang,XU Zaien,et al.Effect of Tending on Community Structure and Target Tree Growth of Secondary Evergreen Broad-leaved Forest[J].Journal of Zhejiang Forestry Science and Technology,2023,43(06):72-81.[doi:10.3969/j.issn.1001-3776.2023.06.010]
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抚育对次生常绿阔叶林群落结构及目的树种生长的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
43
期数:
2023年06期
页码:
72-81
栏目:
出版日期:
2023-12-01

文章信息/Info

Title:
Effect of Tending on Community Structure and Target Tree Growth of Secondary Evergreen Broad-leaved Forest
文章编号:
1001-3776(2023)06-0072-010
作者:
邓国右1石从广2许在恩3赖平峰4唐旭5王相6姚丰平7周振琪1周晨8何庆海2胡亚芬9
1.建德市森林资源和自然保护地保护中心,浙江 建德 311600;2.浙江省林业科学研究院,浙江 杭州 310023;3.建德市林业局,浙江 建德 311600;4.建德市洋溪街道办事处,浙江 建德 311607;5.建德市林业总场,浙江 建德 311600;6.建德市莲花镇事业综合服务中心,浙江 建德 311618;7.庆元林场,浙江 庆元 323805;8.建德市林丰林业勘察设计有限公司,浙江 建德 311600;9.杭州市林业科学研究院,浙江 杭州 310022
Author(s):
DENG Guoyou1SHI Congguang2XU Zai’en3LAI Pingfeng4TANG Xu5WANG Xiang6YAO Fengping7ZHOU Zhenqi1ZHOU Chen8HE Qinghai2HU Yafeng9
1.Jiande Forest Resources and Nature Reserve Protection Center of Zhejiang, Jiande 311600, China;2.Zhejiang Academy of Forestry, Hangzhou 310023, China;3.Jiande Forestry Bureau of Zhejiang, Jiande 311600, China;4.Jiande Yangxi Street Office of Zhejiang, Jiande 311607, China;5.Jiande Forestry Farm of Zhejiang, Jiande 311600, China;6.Jiande Lianhua Township Service of Zhejiang, Jiande 311618, China;7.Qingyuan Forest Farm of Zhejiang, Qingyuan 323800, China;8.Jiande Linfeng Forestry Survey & Design Co., Ltd, Jiande 311600, China;9.Hangzhou Academy of Forestry, Hangzhou 310022, China
关键词:
大径材培育次生常绿阔叶林苦槠物种组成多样性指数
Keywords:
large diameter timber cultivation secondary evergreen broad-leaved forest Castanopsis sclerophyll Lithocarpus glaber species composition diversity index
分类号:
S718.54
DOI:
10.3969/j.issn.1001-3776.2023.06.010
文献标志码:
A
摘要:
2016年8月,在浙江建德市以苦槠Castanopsissclerophylla和柯Lithocarpusglaber为建群树种的次生常绿阔叶林(封育33a)中,建立2个100m×100m样地进行人工经营,采取一次性抚育和未抚育2种方式进行大径材培育试验,以RTK定位技术设置16个25m×25m的单元格样地,2021年8月,采用固定样地法调查抚育和未抚育样地的物种组成及群落结构,并利用独立样本t检验分析差异。结果表明,在抚育样地中共调查到53科86属100种植物,在未抚育样地中共调查到39科60属71种植物,抚育样地内科、属、种的数量较未抚育样地分别提升35.90%、43.33%和40.85%,目的树种苦槠和柯的平均重要值在乔木层排名靠前;抚育措施显著提升了抚育样地内的草本层、灌木层和藤本植物的物种丰富度(P<0.05),显著降低乔木层的物种丰富度(P<0.05),而Shannon-Wiener多样性指数和Simpson多样性指数在抚育和未抚育样地间乔木层、灌木层和藤本植物均没有显著性变化;与未抚育样地相比,抚育样地中的目的树种苦槠和柯在群落间的竞争能力有所提升,乔木层和灌木层的多度占比略有提升,树高、胸径、枝下高和冠幅也有显著的提升(P<0.05)。以上结果表明,抚育措施可减小林分郁闭度至合理区间,提高群落物种丰富度,保持群落结构稳定,提高目的树种在乔木层的数量占比,使其获得良好的生长空间,从而提升目的树种在群落中的竞争优势。
Abstract:
In August 2016, 2 sample plots with 100 m × 100 m and 16 subplots of 25 m × 25 m were set up using RTK positioning technology in secondary evergreen broadleaved forest dominated by Castanopsis sclerophylla and Lithocarpus glaber in Jiande, Zhejiang province for experiment of tending and no-tending (CK) on large diameter tree cultivation. In August 2021, investigation was conducted on species composition and community structure by permanent sample plots. The results showed that there were 100 species of 53 families and 86 genera of plant in tending plot and 71 species of 39 families and 60 genera of plant in no-tending plot, and the average importance value of the target species, C. sclerophylla and L. glaber, ranked the first and second in tree layer. The species richness of the grass layer, shrub layer, and vines in treated plot was significantly higher (P < 0.05) than that in the control, while the richness of the tree layer was significantly lower (P < 0.05). However, there were no significant differences of Shannon-Wiener index and Simpson index in tree layer, shrub layer, and vines between treated plot and the control. The competitive ability of target trees was improved and the abundance in tree and shrub layer was slightly increased compared to that in the control. The tree height, DBH, clear bole height, and crown diameter were also significantly improved (P < 0.05).

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备注/Memo

备注/Memo:
收稿日期:2023-04-10;修回日期:2023-10-28
基金项目:浙江省级林业专项(浙林规﹝2021﹞9号)
作者简介:邓国右,工程师,从事森林经营与管理研究;E-mail:18068910772@163.com。
通信作者:胡亚芬,高级工程师,从事森林培育及林木种苗技术研究;E-mail:404517317@qq.com。
更新日期/Last Update: 2023-12-20