[1]汪珍川,卢硕闻,黄日铭,等.木论喀斯特常绿落叶阔叶混交林植物区系特征[J].江西师范大学学报(自然科学版),2023,(06):626-636.[doi:10.16357/j.cnki.issn1000-5862.2023.06.10]
　WANG Zhenchuan,LU Shuowen,HUANG Riming,et al.The Flora Characteristics of Evergreen and Deciduous Broad-Leaved Mixed Karst Forest in Mulun[J].Journal of Jiangxi Normal University:Natural Science Edition,2023,(06):626-636.[doi:10.16357/j.cnki.issn1000-5862.2023.06.10]
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木论喀斯特常绿落叶阔叶混交林植物区系特征()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年06期
页码:
626-636
栏目:
生命科学
出版日期:
2023-11-25

文章信息/Info

Title:
The Flora Characteristics of Evergreen and Deciduous Broad-Leaved Mixed Karst Forest in Mulun
文章编号:
1000-5862(2023)06-0626-11
作者:
汪珍川1; 2; 卢硕闻1; 2; 黄日铭1; 2; 孙 君3; 黄庆青4; 王家妍4; 莫雅芳4; 李永聪4; 潘尚慧4
(1.南宁师范大学地理与海洋研究院/北部湾环境演变与资源利用教育部重点实验室,广西 南宁 530004; 2.广西地表过程与智能模拟重点实验室,广西 南宁 530004; 3.广西木论国家级自然保护区管理中心,广西 环江 547100; 4.广西国有高峰林场,广西 南宁 530001)
Author(s):
WANG Zhenchuan1; 2; LU Shuowen1; 2; HUANG Riming1; 2; SUN Jun3; HUANG Qingqing4; WANG Jiayan4; MO Yafang4; LI Yongcong4; PAN Shanghui4
(1.Institute of Geography and Oceanography,Nanning Normal University,Key Laboratory of Environment Change and Resources Use in Beibu Gulf, Ministry of Education,Nanning Guangxi 530004,China; 2.Guangxi Key Laboratory of Earth Surface Processes and Intelligent Simulation,Nanning Guangxi 530004,China; 3.Management Center for Guangxi Mulun National Nature Reserve,Huanjiang Guangxi 547100,China; 4.Guangxi Gaofeng State Owned Forest Farm,Nanning Guangxi 530001,China)
关键词:
常绿落叶阔叶混交林;  植物区系;  地理成分;  R/T值;  喀斯特
Keywords:
evergreen and deciduous broad-leaved mixed forest;  flora;  geographical components;  the value of R/T;  karst
分类号:
Q 948.5
DOI:
10.16357/j.cnki.issn1000-5862.2023.06.10
文献标志码:
A
摘要:
该文选取广西木论喀斯特常绿落叶阔叶混交林为研究对象,分析区系植物组成特征及科、属地理成分,计算科、属区系热带与温带成分的比值(R/T),并与纬度值临近地区比较.研究结果表明:1)木论喀斯特植物区系被子植物53科93属108种,蕨类植物7科7属7种,研究区暂未发现裸子植物.2)在科的分布区类型中,热带成分29科,温带成分10科.3)在属的分布区类型中,热带成分62属,温带成分24属,中国特有属4属.4)热带与温带成分的被子植物物种丰富度较小,受岩溶区环境影响较大,同时区系植物岩溶性明显,体现喀斯特植物区系特征.5)植物区系科、属R/T值分别为2.90和2.58,呈现温带向热带性质过渡的特点,这与该区的海拔变化及复杂的地貌类型有关.6)区系起源古老,地理成分复杂.
Abstract:
The selected research object is the mixed broad-leaved forest of evergreen and deciduous karst in Mulun, Guangxi,in order to analyze the characteristics of the plant composition and the geographic components of families and genera,calculate the ratio of tropical and temperate components(R/T)of families and genera, and compare it with adjacent regions based on latitude.The results are as follows.The flora of Mulun karst consists of 108 species of angiosperms in 53 families and 93 genera,7 species of ferns in 7 families and 7 genera. No gymnosperms are found in the study area.Among the distribution types of families, there are 29 tropical components and 10 temperate components.Among the distribution types of genera,there are 62 tropical components,24 temperate components,and 4 unique genera to China.The species richness of angiosperms with tropical and temperate components are relatively small,and the flora is greatly affected by the environment of karst areas.The flora is characterized by a clear karst specificity.The R/T values of families and genera are 2.9 and 2.58,respectively,showing a transitional characteristic from temperate to tropical,which is related to the changes in altitude and complex landform types in the area.The flora has a long history of origin and a complex geographic component.

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备注/Memo

备注/Memo:
收稿日期:2023-05-18
基金项目:国家自然科学基金(42007086),广西自然科学基金(2021GXNSFBA075058),广西科技基地与人才专项课题(桂科AD20297037)和南宁师范大学大学生创新创业训练计划(202210603063)资助项目.
作者简介:汪珍川(1990—),女,青海西宁人,助理研究员,博士,主要从事植物分类与区系地理研究.E-mail:zhenchuan_wang@126.com
更新日期/Last Update: 2023-11-25