亚热带植物科学 ›› 2022, Vol. 51 ›› Issue (4): 299-305.DOI: 10.3969/j.issn.1009-7791.2022.04.008

• 植物生态与资源分类 • 上一篇    下一篇

江西东南部东江源区森林维管植物区系

林杰妤1,曾思金1,2,李文斌1,3,陈蕾伊4,唐光大1*   

  1. (1. 华南农业大学林学与风景园林学院,广东 广州 510642;2. 中国科学院华南植物园,广东 广州 510650;3. 厦门大学环境与生态学院,福建 厦门 361102;4. 广东生态工程职业学院,广东 广州 520520)
  • 收稿日期:2022-06-08 接受日期:2022-08-16 出版日期:2022-08-30 发布日期:2023-01-17
  • 通讯作者: 唐光大
  • 基金资助:
    广东省林业局科技项目(2023KJCX001)

Flora of Vascular Plants in the Source Region of Dongjiang River, Southeast Jiangxi, China

LIN Jie-yu1, ZENG Si-jin1,2, LI Wen-bin1,3, CHEN Lei-yi4, TANG Guang-da1*   

  1. (1. College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong China; 2. South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong China; 3. College of the Environment & Ecology, Xiamen University, Xiamen 361102, Fujian China; 4. Guangdong Eco-Engineering Polytechnic, Guangzhou 520520, Guangdong China)
  • Received:2022-06-08 Accepted:2022-08-16 Online:2022-08-30 Published:2023-01-17
  • Contact: TANG Guang-da

摘要: 于2009~2016年对江西东江源区主要山脉的森林植物开展持续调查,采集维管植物标本2402号,结合文献资料,整理出该区域维管植物名录,并进行统计分析。结果显示:本次调查共记录维管植物1286种,隶属于190科640属。其中,蕨类植物35科65属134种,裸子植物6科8属9种,被子植物149科567属1143种;种类最丰富的科有菊科(Compositae)、禾本科(Gramineae)、蝶形花科(Papilionaceae)、蔷薇科(Rosaceae);乔木层优势科有樟科(Lauraceae)、壳斗科(Fagaceae)、杜英科(Elaeocarpaceae)、大戟科(Euphorbiaceae)、山茶科(Theaceae)等,以泛热带分布类型所占比例最高(扣除世界分布的28.42%);属的区系成分以泛热带分布及其变型为主,占扣除世界分布的29.26%,热带亚洲分布及其相关类型的成分也较高。维管植物区系成分与东江源区所处纬度带较吻合,但热带和泛热带成分相对较高,可能与东南部暖湿气流及其东南沿海植物沿北迁徙有关。

关键词: 植物区系, 东江源区, 江西

Abstract: The wild surveys were continuously carried out for the forest plants in the source region of Dongjiang River, Jiangxi Province from 2009 to 2016. 2402 specimens were collected, and the list of vascular plants was provided with the field-collected specimens and literature. The results showed that there were 1286 species of vascular plants belonging to 640 genera in 190 families. Among them, 35 families and 65 genera and 134 species of ferns, 6 families and 8 genera and 9 species of gymnosperms, 149 families and 567 genera and 1143 species of angiosperms. The families with most abundant species were Compositae, Gramineae, Papilionaceae and Rosaceae. And the dominant families in the arboreal layer were Lauraceae, Fagaceae, Elaeocarpaceae, Euphorbiaceae and Theaceae, with the highest proportion of pantropical distribution (28.42% removed cosmopolitan type). The geographical composition of genera was dominated by the pantropical distribution and its variants, accounting for 29.26% (removed cosmopolitan type), followed by a higher composition of the tropical Asian distribution and its related types. The vascular flora composition was more consistent with the latitudinal zone in which the Dongjiang source region was located, but the tropical and pantropical flora components were relatively high, which might be related to the warm and humid airflow in the southeast and the migration of its southeastern coastal plants.

Key words: flora, Dongjiang River source region, Jiangxi

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