Dataset of plant species composition and community characteristics of long-term observation plots in the Ordos sandy grassland from 2004 to 2010

doi:10.17521/cjpe.2025.0078

Abstract

Abstract:

The Ordos Sandy Grassland Ecological Research Station of the Chinese Academy of Sciences (referred to as “Ordos Ecological Station” hereafter) is located on the severely desertified agro-pastoral ecotone in the central-southern part of the Ordos Plateau. It represents a quintessential exemplar of the temperate zonal sandy grassland ecosystem. This region situated within a multi-layered and complex ecogeographical transition zone, harboring exceptionally rich endemic and relict species within the ecosystem species composition. However, over the past 50 years, climate change and escalating human activities have induced grassland degradation and land desertification, severely impacting regional sustainable development. Long-term vegetation observation data are crucial for studying the responses of vegetation to climate changes, as well as vegetation succession and restoration in the region. Therefore, we compiled manually surveyed plant community data from two long-term observation plots at the Ordos Ecological Station from 2004 to 2010. The dataset encompasses information on plot background and vegetation classification, shrub layer species composition, shrub layer community characteristics, herbaceous layer species composition, and herbaceous layer community characteristics. This dataset provides scientific foundation for the study on the Ordos Plateau, including floristic studies, analyses of regional ecosystem structure and function, and investigations into the mechanisms of vegetation succession and restoration.

Database/dataset profile

Data title	Dataset of plant species composition and community characteristics of long-term observation plots in the Ordos sandy grassland from 2004 to 2010
Data authors	ZHANG Lin, CHEN Hua-Yang, HUANG Zhen-Ying
Data corresponding author	HUANG Zhen-Ying (zhenying@ibcas.ac.cn)
Data time range	2004-2010
Data geographical scope	Ordos Desert Grassland Ecological Research Station, the Chinese Academy of Sciences (39.50° N, 110.20° E)
Data volume	56.79 Mb
Data format	.xlsx
Data links	https://www.plant-ecology.com/fileup/1005-264X/PDF/cjpe.2025.0078-D1.xlsx https://www.plantplus.cn/doi/10.57760/sciencedb.21316 https://www.scidb.cn/doi/10.57760/sciencedb.21316
Database/dataset composition	This dataset contains one file, including five data sheets: the background information and vegetation classification data of the plots, shrub layer species composition, shrub layer community characteristics, herbaceous layer species composition, and herbaceous layer community characteristics. It covers baseline data on plot representativeness, vegetation type, precipitation, soil type, soil profile stratification, human activities, etc., as well as the species composition and community characteristics data for the shrub and herbaceous layer derived from vegetation quadrat surveys

Key words: plant community, long-term observation, grassland ecosystem, desert, community succession

ZHANG Lin, CHEN Hua-Yang, HUANG Zhen-Ying. Dataset of plant species composition and community characteristics of long-term observation plots in the Ordos sandy grassland from 2004 to 2010[J]. Chin J Plant Ecol, 2025, 49(8): 1263-1270.

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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2025.0078

https://www.plant-ecology.com/EN/Y2025/V49/I8/1263

Figures/Tables 6

References 9

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项目 Item	样地1 Plot 1	样地2 Plot 2
样地名称 Plot name	鄂尔多斯站综合观测场水土生联合长期观测采样地 Long-term observation joint plot of water, soil and biology at the comprehensive observation field of Ordos Ecological Station	鄂尔多斯站辅助观测场土壤生物长期观测采样地 Long-term observation plot of soil and biology at the auxiliary observation field of Ordos Ecological Station
样地代码 Plot code	ESDZH01ABC_01	ESDFZ01AB0_01
样地类别 Plot type	综合观测场 Comprehensive observation plot	辅助观测场 Auxiliary observation plot
植被类型 Vegetation type	半灌木沙地植被 Semi-shrub sandy vegetation	半灌木沙地植被 Semi-shrub sandy vegetation
地理位置 Location	39.496° N, 110.200° E	39.497° N, 110.199° E
海拔 Altitude (m)	1 288	1 275
面积及形状 Area and shape (m × m)	100 × 100	50 × 50
建立时间 Establishment time	2004	2004
利用方式 Utilization pattern	围封 Enclosed	不围封 Unenclosed
设计使用年限 Designed service time	100 a	100 a

项目 Item	样地1 Plot 1	样地2 Plot 2
样地名称 Plot name	鄂尔多斯站综合观测场水土生联合长期观测采样地 Long-term observation joint plot of water, soil and biology at the comprehensive observation field of Ordos Ecological Station	鄂尔多斯站辅助观测场土壤生物长期观测采样地 Long-term observation plot of soil and biology at the auxiliary observation field of Ordos Ecological Station
样地代码 Plot code	ESDZH01ABC_01	ESDFZ01AB0_01
样地类别 Plot type	综合观测场 Comprehensive observation plot	辅助观测场 Auxiliary observation plot
植被类型 Vegetation type	半灌木沙地植被 Semi-shrub sandy vegetation	半灌木沙地植被 Semi-shrub sandy vegetation
地理位置 Location	39.496° N, 110.200° E	39.497° N, 110.199° E
海拔 Altitude (m)	1 288	1 275
面积及形状 Area and shape (m × m)	100 × 100	50 × 50
建立时间 Establishment time	2004	2004
利用方式 Utilization pattern	围封 Enclosed	不围封 Unenclosed
设计使用年限 Designed service time	100 a	100 a

数据项 Data Item	实例 Data example
序号 No.	1
生态站代码 Site code	ESD
生态站名称 Name of ecological station	鄂尔多斯沙地草地生态研究站 Ordos Sandy Grassland Ecological Research Station
样地代码 Plot code	ESDZH01ABC_01
样地名称 Plot name	鄂尔多斯生态站综合观测场水土生联合长期观测采样地 Long-term observation joint plot of water, soil and biology at the comprehensive observation field of Ordos Ecological Station
样地类别 Plot type	综合观测场 Comprehensive observation plot
样地代表性 Plot representativeness	毛乌素沙地, 以油蒿为建群种的沙地植被 Sandy vegetation with Artemisia ordosica as constructive species, Mau Us sandy land
地理位置 Location	39.496° N, 110.200° E
海拔高度 Altitude (m)	1 288
面积及形状 Area and shape (m × m)	100 × 100
建立时间和设计使用年限 Establishment time and designed service time	2004, 100 a
植被型组 Vegetation Formation Group	草本植被(草地) Herbaceous Vegetation (Grassland)
植被型 Vegetation Formation	半灌木草地 Semi-Shrubby Grassland
植被亚型 Vegetation Subformation	半灌木典型草原 Semi-Shrubby Typical Steppe Grassland
群系 Alliance	油蒿半灌木典型草原 Artemisia ordosica Semi-Shrubby Typical Steppe Grassland Alliance
群丛 Association	油蒿-塔落岩黄耆半灌木典型草原 Artemisia ordosica - Hedysarum fruticosum var. leave Semi-Shrubby Typical Steppe Association Grassland
优势种 Dominant species	灌木层: 油蒿、塔落岩黄耆 Shrub layer: Artemisia ordosica, Hedysarum fruticosum var. leave
荒漠类型 Desert type	砂质荒漠 Sandy desert
行政位置 Administrative location	内蒙古伊金霍洛旗纳林陶亥镇淖尔壕村 Naoerhao Village, Nalin Taogai Township, Ejin Horo Banner, Nei Mongol
年均温 Mean annual temperature (℃)	6.0-8.5
年降水量 Annual precipitation (mm)	358
年蒸发量 Annual evaporation (mm)	1 800-2 500
平均年大风天数 Mean annual windy days (d)	33
平均年沙尘暴天数 Mean annual dust storm days (d)	26
地貌特征 Geomorphology	高度在10 m以下的起伏沙丘 Undulating dunes up to 10 m in height
坡向和坡度 Slope aspect and gradient	15° NW
地表状况 Surface condition	微起伏、岩石出露、无水蚀、无龟裂 Slightly undulating, rocky outcrops, no water erosion or cracking
地表盖度 Surface coverage	地表60%裸露, 40%砾石、凋落物、草 60% bare soil + 40% gravel, litter + grass
沙丘类型 Dune type	固定沙丘, 轻度风蚀 Fixed dune fixation, incipient wind erosion
土壤类型 Soil type	全国第二次土壤普查名称: 土类—风沙土亚类—荒漠风沙土; 中国土壤系统分类名称: 初育土 Name of the second national soil survey: Soil Class — Aeolian Sandy Soil Subclass — Desert Aeolian Sandy Soil; name of Chinese soil taxonomy: primary breeding soil
土壤母质 Soil parent material	砂岩 Sandstone
土壤剖面分层情况 Soil profile characteristics	风沙土, 无分层 Windy sandy soil, unstratified
地下水位深度 Water table depth (m)	1.5-10
年平均湿度 Mean annual humidity (%)	30
年干燥度 Annual aridity index	1.1-1.5
动物活动 Animal activity	封育, 无家畜活动。有野生动物, 如野兔、野鸡、蜥蜴等动物活动 Enclosed, no livestock activity, have wildlife activity such as rabbits, pheasants, lizards, etc.
人类活动 Human activities	无 No
历史破坏性灾害 Historical catastrophic events	无 No
观测场建立前的利用和管理历史、群落演替历史 Pre-establishment land use & management, documented community succession	围封 Enclosed
观测场建立后的利用和管理方式 Post-establishment management practices	围封; 样地所代表的半干旱区沙地所占比例为100%, 其周边环境均为固定和半固定沙丘。所选样地的沙丘起伏平缓, 所分布的植被均匀 Enclosed; the sampled plots represent 100% of the semi-arid sandy land ecosystem, surrounded by fixed and semi-fixed dunes. The selected dunes exhibit gentle undulations with homogeneous vegetation cover

数据项 Data Item	实例 Data example
序号 No.	1
生态站代码 Site code	ESD
生态站名称 Name of ecological station	鄂尔多斯沙地草地生态研究站 Ordos Sandy Grassland Ecological Research Station
样地代码 Plot code	ESDZH01ABC_01
样地名称 Plot name	鄂尔多斯生态站综合观测场水土生联合长期观测采样地 Long-term observation joint plot of water, soil and biology at the comprehensive observation field of Ordos Ecological Station
样地类别 Plot type	综合观测场 Comprehensive observation plot
样地代表性 Plot representativeness	毛乌素沙地, 以油蒿为建群种的沙地植被 Sandy vegetation with Artemisia ordosica as constructive species, Mau Us sandy land
地理位置 Location	39.496° N, 110.200° E
海拔高度 Altitude (m)	1 288
面积及形状 Area and shape (m × m)	100 × 100
建立时间和设计使用年限 Establishment time and designed service time	2004, 100 a
植被型组 Vegetation Formation Group	草本植被(草地) Herbaceous Vegetation (Grassland)
植被型 Vegetation Formation	半灌木草地 Semi-Shrubby Grassland
植被亚型 Vegetation Subformation	半灌木典型草原 Semi-Shrubby Typical Steppe Grassland
群系 Alliance	油蒿半灌木典型草原 Artemisia ordosica Semi-Shrubby Typical Steppe Grassland Alliance
群丛 Association	油蒿-塔落岩黄耆半灌木典型草原 Artemisia ordosica - Hedysarum fruticosum var. leave Semi-Shrubby Typical Steppe Association Grassland
优势种 Dominant species	灌木层: 油蒿、塔落岩黄耆 Shrub layer: Artemisia ordosica, Hedysarum fruticosum var. leave
荒漠类型 Desert type	砂质荒漠 Sandy desert
行政位置 Administrative location	内蒙古伊金霍洛旗纳林陶亥镇淖尔壕村 Naoerhao Village, Nalin Taogai Township, Ejin Horo Banner, Nei Mongol
年均温 Mean annual temperature (℃)	6.0-8.5
年降水量 Annual precipitation (mm)	358
年蒸发量 Annual evaporation (mm)	1 800-2 500
平均年大风天数 Mean annual windy days (d)	33
平均年沙尘暴天数 Mean annual dust storm days (d)	26
地貌特征 Geomorphology	高度在10 m以下的起伏沙丘 Undulating dunes up to 10 m in height
坡向和坡度 Slope aspect and gradient	15° NW
地表状况 Surface condition	微起伏、岩石出露、无水蚀、无龟裂 Slightly undulating, rocky outcrops, no water erosion or cracking
地表盖度 Surface coverage	地表60%裸露, 40%砾石、凋落物、草 60% bare soil + 40% gravel, litter + grass
沙丘类型 Dune type	固定沙丘, 轻度风蚀 Fixed dune fixation, incipient wind erosion
土壤类型 Soil type	全国第二次土壤普查名称: 土类—风沙土亚类—荒漠风沙土; 中国土壤系统分类名称: 初育土 Name of the second national soil survey: Soil Class — Aeolian Sandy Soil Subclass — Desert Aeolian Sandy Soil; name of Chinese soil taxonomy: primary breeding soil
土壤母质 Soil parent material	砂岩 Sandstone
土壤剖面分层情况 Soil profile characteristics	风沙土, 无分层 Windy sandy soil, unstratified
地下水位深度 Water table depth (m)	1.5-10
年平均湿度 Mean annual humidity (%)	30
年干燥度 Annual aridity index	1.1-1.5
动物活动 Animal activity	封育, 无家畜活动。有野生动物, 如野兔、野鸡、蜥蜴等动物活动 Enclosed, no livestock activity, have wildlife activity such as rabbits, pheasants, lizards, etc.
人类活动 Human activities	无 No
历史破坏性灾害 Historical catastrophic events	无 No
观测场建立前的利用和管理历史、群落演替历史 Pre-establishment land use & management, documented community succession	围封 Enclosed
观测场建立后的利用和管理方式 Post-establishment management practices	围封; 样地所代表的半干旱区沙地所占比例为100%, 其周边环境均为固定和半固定沙丘。所选样地的沙丘起伏平缓, 所分布的植被均匀 Enclosed; the sampled plots represent 100% of the semi-arid sandy land ecosystem, surrounded by fixed and semi-fixed dunes. The selected dunes exhibit gentle undulations with homogeneous vegetation cover

数据项 Data item	实例 Data example
序号 No.	55
生态站代码 Site code	ESD
年 Year	2010
月 Month	10
日 Day	3
样地代码 Plot code	ESDZH01ABC_01
样地名称 Plot name	鄂尔多斯站综合观测场水土生联合长期观测采样地 Long-term observation joint plot of biology, soil and water at the comprehensive observation field of Ordos ecological station
样地类别 Plot type	综合观测场 Comprehensive observation plot
样方号 Quadrat No.	Z1
样方面积 Quadrat size (m × m)	5 × 5
植物种名 Common name_plant	油蒿
植物拉丁名 Scientific name_plant	Artemisia ordosica
株(丛)数(株(丛)·样方^-1) Count ((inds.·quadrat^-1))	4
平均单丛茎数(茎·丛^-1) Mean number of stems per cluster (stems·cluster^-1)	10.0
平均基径 Mean basal diameter (cm)	0.2
平均高度 Mean height (m)	0.38
盖度 Coverage (%)	2.00
生活型 Life form	半灌木, 地上芽植物 Semi-shrubs, chamaephytes
物候期 Phenological phase	果期 Fruit development stage
枝干干重(g·样方^-1) Dry weight_stem (g·quadrat^-1)	158.40
叶干重(g·样方^-1) Dry weight_foliage (g·quadrat^-1)	51.56
地上部总干重(g·样方^-1) Total dry weight_aboveground parts (g·quadrat^-1)	209.96
地下部取样样方 Sampled soil volume for belowground biomass (m × m × m)	5 × 5 × 0.5
地下部总干重(g·样方^-1) Total dry weight_belowground parts (g·quadrat^-1)	112.36
备注 Remark