植物生态学报 ›› 2022, Vol. 46 ›› Issue (4): 405-415.DOI: 10.17521/cjpe.2021.0374
王艺宸1, 邓芝燕1, 张守信1, 肖楚楚1,*(), 冯广1, 龙文兴1,*(
), 刘积史2
收稿日期:
2021-10-15
接受日期:
2022-02-18
出版日期:
2022-04-20
发布日期:
2022-02-18
通讯作者:
肖楚楚,龙文兴
作者简介:
(993951@hainanu.edu.cn)基金资助:
WANG Yi-Chen1, DENG Zhi-Yan1, ZHANG Shou-Xin1, XIAO Chu-Chu1,*(), FENG Guang1, LONG Wen-Xing1,*(
), LIU Ji-Shi2
Received:
2021-10-15
Accepted:
2022-02-18
Online:
2022-04-20
Published:
2022-02-18
Contact:
XIAO Chu-Chu,LONG Wen-Xing
Supported by:
摘要:
附生维管植物是热带森林中重要的特征性组分, 研究附生维管植物对宿主树的选择性对热带森林生物多样性及生态系统保护有重要意义。该研究以海南热带雨林国家公园霸王岭片区热带云雾林中的附生维管植物为研究对象, 通过设置21个20 m × 20 m的固定样地, 调查样地内所有胸径>1 cm的乔、灌木的数量、种类、胸径、植株高、基质类型及其上生长的附生维管植物的数量、种类, 用混合线性模型、单因素方差、附生选择性指数分析附生维管植物分布与宿主树种、胸径、高度、基质类型(裸树皮、苔藓、凋落物及土壤)的关系。结果表明: 在热带云雾林8 400 m2样地内, 附生维管植物共计51种2 650株, 附生兰科植物和附生蕨类植物为优势类群, 附着在10.6%的个体木上; 附生维管植物多度和丰富度与宿主树胸径显著正相关; 多度较大的琼崖石韦(Pyrrosia eberhardtii)、流苏贝母兰(Coelogyne fimbriata)、阴石蕨(Davallia repens)、蔓九节(Psychotria serpens)对宿主树种表现出一定的选择性, 显著偏好1-4个树种; 附生维管植物对轻基质类型(苔藓植物)也存在显著偏好, 70%以上的附生维管植物生存在苔藓基质上。
王艺宸, 邓芝燕, 张守信, 肖楚楚, 冯广, 龙文兴, 刘积史. 海南热带云雾林附生维管植物对宿主的选择性. 植物生态学报, 2022, 46(4): 405-415. DOI: 10.17521/cjpe.2021.0374
WANG Yi-Chen, DENG Zhi-Yan, ZHANG Shou-Xin, XIAO Chu-Chu, FENG Guang, LONG Wen-Xing, LIU Ji-Shi. Host tree selection by vascular epiphytes in tropical cloud forest of Hainan Island, China. Chinese Journal of Plant Ecology, 2022, 46(4): 405-415. DOI: 10.17521/cjpe.2021.0374
图1 附生维管植物在宿主树上的发生频率。A, 单株宿主树上附生维管植物个体数(多度)与附生维管植物物种数(丰富度)的关系。B, 单株宿主树上附生维管植物个体数的频率分布。C, 单株宿主树上附生维管植物物种数的频率分布。散点颜色越深表示观测的次数越多。
Fig. 1 Frequency of occurrence of epiphytic vascular species on host trees. A, Relationship between the number of epiphytic vascular species per tree (richness) and the number of epiphytic vascular individuals per tree (abundance). B, Frequency distribution of the number of epiphytic vascular individuals per tree. C, Frequency distribution of the number of epiphytic vascular species per tree. Darker circles indicate higher number of observations.
图2 混合线性模型中各随机因子对附生维管植物多度和丰富度的解释比例。
Fig. 2 Explainable proportion of each random factor to epiphytic vascular species abundance and richness in mixed linear model.
图3 不同基质类型条件下, 附生维管植物多度(A)、丰富度(B)差异。从矩形盒两端边向外延伸一条线段, 直到不是异常值的最远点, 表示数据正常值的分布区间。不同小写字母代表差异显著(p < 0.01)。
Fig. 3 Variations of the abundance (A) and richness (B) of epiphytic vascular species with substrate types. Vertical line of the boxplots indicate the distribution range of the normal value of data. Different lowercase letters indicate significant difference (p < 0.01).
图4 附生维管植物对基质类型的选择性。A, 琼崖石韦。B, 阴石蕨。C, 镰翅羊耳蒜。D, 蔓九节。E, 流苏贝母兰。从矩形盒两端各向外延伸一条线段, 直到不是异常值的最远点, 表示数据正常值的分布区间。不同小写字母代表差异显著(p < 0.01)。
Fig. 4 Selectivity of epiphytic vascular species for substrate types. A, Pyrrosia eberhardtii. B, Davallia repens. C, Liparis bootanensis. D, Psychotria serpens. E, Coelogyne fimbriata. Vertical line on boxplots indicate the distribution range of the normal value of data. Different lowercase letters indicate significant difference (p < 0.01).
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