[1]龚笑飞,李振飞,李大标,等.松材线虫入侵对马尾松林群落物种多样性的影响[J].浙江林业科技,2022,42(04):17-23.[doi:10.3969/j.issn.1001-3776.2022.04.003]
 GONG Xiao-fei,LI Zhen-fei,LI Da-biao,et al.Impact of Invasion of Bursaphelenchus xylophilus on Species Diversity of Pinus massoniana Forests[J].Journal of Zhejiang Forestry Science and Technology,2022,42(04):17-23.[doi:10.3969/j.issn.1001-3776.2022.04.003]
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松材线虫入侵对马尾松林群落物种多样性的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
42
期数:
2022年04期
页码:
17-23
栏目:
出版日期:
2022-07-15

文章信息/Info

Title:
Impact of Invasion of Bursaphelenchus xylophilus on Species Diversity of Pinus massoniana Forests
文章编号:
1001-3776(2022)04-0017-07
作者:
龚笑飞1李振飞2李大标1韦博良2胡广3刘金亮4吴初平5江波5 于明坚2余水生1
(1. 浙江省遂昌县生态林业发展中心,浙江 遂昌 323300;2. 浙江大学 生命科学学院,浙江 杭州 310058;3. 浙江理工大学 建筑工程学 院,浙江 杭州 310018;4. 温州大学生命与环境科学学院,浙江 温州 325035;5. 浙江省林业科学研究院,浙江 杭州 310023)
Author(s):
GONG Xiao-fei1LI Zhen-fei2LI Da-biao1WEI Bo-liang2HU Guang3LIU Jin-liang4WU Chu-ping5JIANG Bo5YU Ming-jian2 YU Shui-sheng1
(1. Suichang Ecological Forestry Development Center of Zhejiang, Suichang 323300, China; 2. College of Life Sciences, Zhejiang University, Hangzhou 310085, China; 3. School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China; 4. College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China; 5. Zhejiang Academy of Forestry, Hangzhou 310023, China)
关键词:
生物入侵松材线虫病马尾松林物种多样性演替
Keywords:
invasive species Bursaphelenchus xylophilus Pinus massoniana species diversity succession
分类号:
S718.54
DOI:
10.3969/j.issn.1001-3776.2022.04.003
文献标志码:
A
摘要:
松材线虫Bursaphelenchus xylophilus 入侵会对马尾松Pinus massoniana 林的生物多样性和生态系统功能产生很 大的影响。以染病(感染松材线虫病)4 年马尾松林(4Y)和染病8 年马尾松林(8Y)为研究对象,并与未染病马 尾松林(UN)和常绿阔叶林(EV)作比较,对松材线虫入侵马尾松林后引起的群落结构变化和演替特征进行研究。 结果发现:在染病8 年马尾松林中阔叶树种的比率仅次于常绿阔叶林;4 种群落的径级分布均以小径级为主,其中 阔叶树种在DBH(胸径)≥1 cm 木本植物中的占比从小到大依次为UN(64.99%)、4Y(66.61%)、8Y(90.64)、EV(98.83%); 4 种群落的物种丰富度、Shannon-Wiener 指数和Simpson 指数均表现为EV>8Y>UN>4Y,乔木物种多样性的变化 趋势与DBH≥1 cm 木本植物一致,灌木物种多样性在染病后一直保持较低的水平;4Y-UN、8Y-UN、EV-UN、4Y-EV、 8Y-EV 的Jaccard 相似性系数分别为0.349、0.316、0.258、0.232、0.263。上述结果表明,松材线虫入侵马尾松林后, 改变了马尾松林的物种组成,促进群落向地带性植被(常绿阔叶林)演替。
Abstract:
The invasion of the pine wood nematode (Bursaphelenchus xylophlius) has a significant impact on the biodiversity and ecosystem function of Pinus massoniana forests. In this paper, P. massoniana forests infected by pine wood nematode for 4 (4Y) and 8 years (8Y) were selected as study subjects, and compared with uninfected P. massoniana forests (UN) and evergreen broad-leaved forests (EV). Three permanent sample plots of 30 m×30 m were set up in four community types in Suichang County, Zhejiang Province in 2020, to study the changes of community structure and succession characteristics caused by the invasion of P. massoniana by B. xylophilus. The results showed that the ratio of 8Y broad-leaved tree species was second only to EV; the diameter distribution of the four communities was dominated by small-diameter classes, and the proportion of broad-leaved trees in woody plants with DBH≥1cm was UN(64.99%), 4Y(66.61%), 8Y(90.64%) and EV(98.83%), respectively; the species richness, Shannon-Wiener index and Simpson index of the four communities were ordered by EV > 8Y > UN > 4Y, and the variation trend of tree species diversity was consistent with that of woody plants with DBH≥1cm, while the diversity index of shrub species remained low after infection. The Jaccard similarity coefficients of different communities were 0.349 for 4Y-UN, 0.316 for 8Y-UN, 0.258 for EV-UN, 0.232 for 4Y-EV, 0.263 for 8Y-EV. The results showed that the species composition of P. massoniana forest changed significantly after the invasion of pine wood nematode, and the invasion of pine wood nematode accelerated the succession of zonal vegetation (evergreen broad-leaved forests).

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备注/Memo

备注/Memo:
收稿日期:2022-03-01;修回日期:2022-05-20
基金项目:遂昌县科技局项目“遂昌县马尾松林受松材线虫病侵害后的服务功能变化和提升技术研究”(2018-hz02);国家重点研发计划政 府间国际科技创新合作专项(2018YFE0112800);温州市科研项目基础性农业科技项目(N2020005)
作者简介:龚笑飞,高级工程师,从事森林培育和森林生态工作;E-mail: 717967097@qq.com。通信作者:余水生,高级工程师,从事自然 资源保护和研究工作;E-mail: schhc@Sina.com。
更新日期/Last Update: 2022-06-20