A plot-based dataset of plant community on the Qingzang Plateau

doi:10.17521/cjpe.2022.0174

Abstract

Abstract:

Plot-based data are an important foundation for studying plant community characteristics and compiling vegetation monographs, vegetation map, and vegegraphy. It is the key data source of studies in vegetation ecology. To understand the species composition, community characteristics, and distribution pattern of special plateau vegetation on the Qingzang Plateau (QZP), this study uses the data of 338 sites including 758 plots in different regions of the QZP from 2018 to 2021 to analyze the species composition, floristic characteristics, and vegetation classification of plateau plant communities. A plot-based dataset of plant community on the QZP is then established. The 758 plots have 837 plant species belonging to 279 genera from 65 families in the alpine and temperate vegetation communities. The largest number of species are found in five families: Asteraceae (134 species), Poaceae (88 species), Fabaceae (75 species), Rosaceae (43 species), and Cyperaceae (40 species), as well as five genera: Artemisia (29 species), Pedicularis (27 species), Saussurea (25 species), Astragalus (23 species), and Poa (23 species). The floristic composition is mainly temperate (145 genera) and cosmopolitan (36 genera). The growth forms of the species are mainly herbs (83.51%) and shrubs (10.87%), and the life forms of herbs and woody plants are mainly perennial herbs (88.23%) and deciduous shrubs (83.67%), respectively. A total of 338 sites can be divided into four vegetation formation groups, 10 vegetation formations, 20 vegetation subformations, 78 alliance groups, and 117 alliances, in which 34 are steppe alliances, 33 are meadow alliances, 33 are desert alliances, 14 are shrubland alliances, and 3 are coniferous forest alliances. This dataset covers most of the alpine shrubland, meadow, steppe, desert, and temperate steppe, desert vegetation regions of the QZP. This work provides a solid foundation for exploring the vegetation characteristics and regularity of vegetation zonal differentiation and determining the impacts of climate change and human disturbances on alpine vegetation and their ecological restoration. The dataset also provides a reference for the updating of the next generation of China's vegetation map.

Key words: plot data, Qingzang Plateau, alpine vegetation, vegetation classification, species composition

JIN Yi-Li, WANG Hao-Yan, WEI Lin-Feng, HOU Ying, HU Jing, WU Kai, XIA Hao-Jun, XIA Jie, ZHOU Bo-Rui, LI Kai, NI Jian. A plot-based dataset of plant community on the Qingzang Plateau[J]. Chin J Plant Ecol, 2022, 46(7): 846-854.

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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2022.0174

https://www.plant-ecology.com/EN/Y2022/V46/I7/846

Figures/Tables 4

References 42

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条目 Item	描述 Description
样地号 Site No.	由调查地点和调查时间组成的样地编号, 如TP2018071501 Site number based on the location and time of surveys, for example, TP2018071501
人类干扰 Human disturbance	调查记录的人类干扰强度: 无、弱、中、强 Human disturbance intensity recorded in the survey: none, weak, medium, and strong
动物活动 Animal activity	调查记录的动物活动强度: 无、弱、中、强 Animal activity intensity recorded in the survey: none, weak, medium, and strong
植被类型 Vegetation type	调查记录的植被类型: 高寒草甸、高寒草原、高寒灌丛、高寒荒漠、温带草甸、温带草原、温带荒漠、针叶林 Vegetation types recorded in the survey: alpine meadow, alpine steppe, alpine shrubland, alpine desert, temperate meadow, temperate steppe, temperate desert, and coniferous forest
生境照片数量 Habitat photos number	每个样地的照片(JPG)数量 The number of photos (JPG) of each site
样方号 Plot No.	由调查地点和调查时间组成的样方编号, 如TP2018071501A Plot number based on the location and time of surveys, for example, TP2018071501A
经度 Longitude	使用全球定位系统(GPS)测定每个样方的经度 The Global Position System (GPS) was used to determine the longitude of each plot
纬度 Latitude	使用GPS测定每个样方的纬度 GPS was used to determine the latitude of each plot
海拔 Altitude	使用GPS测定每个样方的海拔 GPS was used to determine the altitude of each plot
坡向 Slope direction	使用指南针测定每个样方的坡向, 以0°为北向, 180°为南向 Compass was used to measure the slope direction of each plot, with 0° as the north direction and 180° as the south direction
坡度 Slope	用水平仪测定每个样方的坡度 Gradienter was used to measure the slope of each plot
样方类型 Plot type	代表地带性植物群落的样方(用A表示)和反映局域性小生境的样方(用B表示) Plots representing zonal plant community (A) and plots reflecting local habitat (B)
样方面积 Plot area	样方面积=样方长×样方宽 Plot area = plot length × plot width
样方盖度 Plot coverage	用目测法估计样方内所有植物的地上器官对地面的水平投影面积之和 Visually estimated sum of the horizontally projected areas of aboveground organs of all plants in the plot
样方照片数量 Plot photos number	每个样方的照片(JPG)数量 The number of photos (JPG) of each plot
中国植被图群系 Alliance from Vegetation Map of China	中国植被图(中国科学院中国植被图编辑委员会, 2007b)中提取的样地群系类型 Alliance types of sites extracted from the Vegetation Map of China (Editorial Committee of Vegetation Map of China, the Chinese Academy of Sciences, 2007b)

条目 Item	描述 Description
样地号 Site No.	由调查地点和调查时间组成的样地编号, 如TP2018071501 Site number based on the location and time of surveys, for example, TP2018071501
人类干扰 Human disturbance	调查记录的人类干扰强度: 无、弱、中、强 Human disturbance intensity recorded in the survey: none, weak, medium, and strong
动物活动 Animal activity	调查记录的动物活动强度: 无、弱、中、强 Animal activity intensity recorded in the survey: none, weak, medium, and strong
植被类型 Vegetation type	调查记录的植被类型: 高寒草甸、高寒草原、高寒灌丛、高寒荒漠、温带草甸、温带草原、温带荒漠、针叶林 Vegetation types recorded in the survey: alpine meadow, alpine steppe, alpine shrubland, alpine desert, temperate meadow, temperate steppe, temperate desert, and coniferous forest
生境照片数量 Habitat photos number	每个样地的照片(JPG)数量 The number of photos (JPG) of each site
样方号 Plot No.	由调查地点和调查时间组成的样方编号, 如TP2018071501A Plot number based on the location and time of surveys, for example, TP2018071501A
经度 Longitude	使用全球定位系统(GPS)测定每个样方的经度 The Global Position System (GPS) was used to determine the longitude of each plot
纬度 Latitude	使用GPS测定每个样方的纬度 GPS was used to determine the latitude of each plot
海拔 Altitude	使用GPS测定每个样方的海拔 GPS was used to determine the altitude of each plot
坡向 Slope direction	使用指南针测定每个样方的坡向, 以0°为北向, 180°为南向 Compass was used to measure the slope direction of each plot, with 0° as the north direction and 180° as the south direction
坡度 Slope	用水平仪测定每个样方的坡度 Gradienter was used to measure the slope of each plot
样方类型 Plot type	代表地带性植物群落的样方(用A表示)和反映局域性小生境的样方(用B表示) Plots representing zonal plant community (A) and plots reflecting local habitat (B)
样方面积 Plot area	样方面积=样方长×样方宽 Plot area = plot length × plot width
样方盖度 Plot coverage	用目测法估计样方内所有植物的地上器官对地面的水平投影面积之和 Visually estimated sum of the horizontally projected areas of aboveground organs of all plants in the plot
样方照片数量 Plot photos number	每个样方的照片(JPG)数量 The number of photos (JPG) of each plot
中国植被图群系 Alliance from Vegetation Map of China	中国植被图(中国科学院中国植被图编辑委员会, 2007b)中提取的样地群系类型 Alliance types of sites extracted from the Vegetation Map of China (Editorial Committee of Vegetation Map of China, the Chinese Academy of Sciences, 2007b)