Dataset on plant species composition and community characteristics in a long-term observation plot of montane coniferous plantations in southwest China from 2005 to 2010

doi:10.17521/cjpe.2024.0327

Abstract

Abstract:

Montane coniferous plantations in southwest China serve as a crucial ecological barrier of the upper reaches of the Yangtze River, fulfilling multiple ecological service functions including soil and water conservation and maintenance of biodiversity. Therefore, these plantations play a key role in maintaining regional ecological security and promoting sustainable development in western China. Plant species composition and community characteristics are critical indicators for studying the structure and functioning of forest ecosystems, and are vital for observation and assessing the dynamics of community succession, biodiversity, ecosystem health and sustainability. We have conducted three community surveys in a 50 m × 50 m permanent plot of montane coniferous plantation in 2005, 2007 and 2010 at the Maoxian Mountain Ecosystem Observation and Research Station of the Chinese Academy of Sciences. The dataset provided detailed information on plant species composition and community characteristics of tree layer, bush layer, herb layer and interlayer vines. Species names, scientific names, individual number, average diameter at breast/basal height, average height, coverage and life form were recorded. Community characteristics included dominant species, density, average height of dominant species and coverage were recorded. Species number (mainly native plants) increased with community succession. However, density in tree and bush layers decreased, caused by the high mortality rate of planted bush trees due to insufficient sunlight under the forest, and native saplings entering into tree layer. The dataset would provide empirical support for studies and practices of vegetation restoration, community succession and sustainable management of montane coniferous plantations in southwest China.

Database/dataset profile

Data title	Dataset on plant species composition and community characteristics in a long-term observation plot of montane coniferous plantations in southwest China from 2005 to 2010
Data authors	ZHOU Zhi-Qiong, DING Jian-Lin, LI Xiao-Ming, HE Qi-Hua
Data corresponding author	HE Qi-Hua (heqh@cib.ac.cn)
Data time range	2005-08-05-2010-08-06
Data geographical scope	Maoxian Mountain Ecosystem Observation and Research Station of the Chinese Academy of Sciences (111.23° E, 45.48° N)
Data spatial resolution	1 m
Data volume	625.68 kb, 2 847 entries
Data format	.xlsx
Data links	https://www.plant-ecology.com/fileup/1005-264X/PDF/cjpe.2024.0327-D1.xlsx https://www.plantplus.cn/doi/10.12282/plantdata.1683 https://www.scidb.cn/doi/10.12282/plantdata.1683
Database/dataset composition	This dataset consists of one file, including eight data sheets, which are: each tree investigation of tree layer in forest community, plant species composition in tree layer of forest community, plant species composition in shrub layer of forest community, plant species composition in herb layer of forest community, community characteristics in tree layer of forest community, community characteristics in shrub layer of forest community, community characteristics in herb layer of forest community, and plant species composition of lianas in the interlayer of forest community

Key words: Pinus armandii plantation, southwest China, species composition, community characteristics, succession, China Ecosystem Research Network (CERN)

ZHOU Zhi-Qiong, DING Jian-Lin, LI Xiao-Ming, HE Qi-Hua. Dataset on plant species composition and community characteristics in a long-term observation plot of montane coniferous plantations in southwest China from 2005 to 2010[J]. Chin J Plant Ecol, 2025, 49(8): 1255-1262.

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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2024.0327

https://www.plant-ecology.com/EN/Y2025/V49/I8/1255

Figures/Tables 5

References 15

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项目 Item	信息内容 Information content
样地名称 Plot name	茂县站综合观测场针叶混交林永久样地 Maoxian comprehensive observation site permanent plot of coniferous mixed forest
样地代码 Plot code	MXFZH01AC0_01
建立时间 Establishment time	1986
植被类型 Vegetation type	华山松人工林 Pinus armandii plantation
面积 Area	50 m × 50 m
主要监测内容 Main observation content	植物群落特征、树种更新、优势种物候观测、各层优势种和凋落物矿质元素含量与能值、凋落物现存量、凋落物季节动态、鸟类种类与数量、大型野生动物种类与数量、土壤微生物生物量碳季节动态 Plant community characteristics, tree species regeneration, phenological observation of dominant species, mineral element content and energy value of dominant species and litter in each layer, existing litter contents, seasonal dynamics of litter, bird species and quantity, species and quantities of large wild animals, seasonal fluctuation of soil microbial biomass carbon

项目 Item	信息内容 Information content
样地名称 Plot name	茂县站综合观测场针叶混交林永久样地 Maoxian comprehensive observation site permanent plot of coniferous mixed forest
样地代码 Plot code	MXFZH01AC0_01
建立时间 Establishment time	1986
植被类型 Vegetation type	华山松人工林 Pinus armandii plantation
面积 Area	50 m × 50 m
主要监测内容 Main observation content	植物群落特征、树种更新、优势种物候观测、各层优势种和凋落物矿质元素含量与能值、凋落物现存量、凋落物季节动态、鸟类种类与数量、大型野生动物种类与数量、土壤微生物生物量碳季节动态 Plant community characteristics, tree species regeneration, phenological observation of dominant species, mineral element content and energy value of dominant species and litter in each layer, existing litter contents, seasonal dynamics of litter, bird species and quantity, species and quantities of large wild animals, seasonal fluctuation of soil microbial biomass carbon

字段名称 Field name	所属数据表 Belonging data table	数据类型 Data type	计量单位 Unit of measurement	示例 Example
生态站代码 Site code	表1-8 Table 1-8	字符型 Character type		MXF
年 Year	表1-8 Table 1-8	数值型 Numeric type		2005
月 Month	表1-8 Table 1-8	数值型 Numeric type		8
日 Day	表1, 表3, 表4, 表8 Table 1, Table 3, Table 4, Table 8	数值型 Numeric type		5
样地代码 Plot code	表1-8 Table 1-8	字符型 Character type		MXFZH01AC0_01
样地名称 Plot name	表1-8 Table 1-8	字符型 Character type		茂县站综合观测场针叶混交林永久样地 Maoxian Station comprehensive observation site permanent plot of coniferous mixed forest
样地类别 Plot type	表1-8 Table 1-8	字符型 Character type		综合观测场永久样地 Comprehensive observation site permanent plot
II级样方号 2nd level plot No.	表1-8 Table 1-8	字符型 Character type		A-1
树号 Tree code	表1 Table 1	字符型 Character type		1570
样方号 Quadrat code	表4, 表7 Table 4, Table 7	字符型 Character type		A-1-1
样方面积 Quadrat area	表2-8 Table 2-8	字符型 Character type	m × m	1 × 1
植物种名 Common name_plant	表1-4, 表8 Table 1-4, Table 8	字符型 Character type		华山松
植物拉丁名 Scientific name_plant	表1-4, 表8 Table 1-4, Table 8	字符型 Character type		Pinus armandii
胸径 Diameter at breast height	表1 Table 1	数值型 Numeric type	cm	4.4
高度 Height	表1 Table 1	数值型 Numeric type	m	5
植物种数 Number of species per quadrat	表5-7 Table 5-7	数值型 Numeric type	种 Species	3
株数 Plant number	表2-4, 表8 Table 2-4, Table 8	数值型 Numeric type	株·样方^-1 inds.·quadrat^-1	27
密度 Density	表5-7 Table 5-7	数值型 Numeric type	株·hm^-2 inds.·hm^-2	2 700
平均胸径 Mean diameter at breast height	表1 Table 1	数值型 Numeric type	cm	8.9
平均基径 Mean basal diameter	表3, 表8 Table 3, Table 8	数值型 Numeric type	cm	0.9
平均高度 Mean height	表2-4 Table 2-4	数值型 Numeric type	m (乔木和灌木 tree and shrub), cm (草本 herb)	6.9
平均长度 Mean length	表8 Table 8	数值型 Numeric type	m	8.7
1.3 m处的平均粗度 Mean diameter at 1.3 m aboveground	表8 Table 8	数值型 Numeric type	cm	1.0
优势种 Dominant species	表5-7 Table 5-7	字符型 Character type		华山松 Pinus armandii
优势种平均高度 Mean height_dominant species	表5-7 Table 5-7	数值型 Numeric type	m	6.9
郁闭度 Canopy density	表5 Table 5	数值型 Numeric type		0.85
盖度 Coverage	表2-4 Table 2-4	数值型 Numeric type	%	8.0
总盖度 Total vegetation coverage	表6-7 Table 6-7	数值型 Numeric type	%	46
生活型 Life form	表1-4 Table 1-4	字符型 Character type		针叶乔木 Coniferous tree

字段名称 Field name	所属数据表 Belonging data table	数据类型 Data type	计量单位 Unit of measurement	示例 Example
生态站代码 Site code	表1-8 Table 1-8	字符型 Character type		MXF
年 Year	表1-8 Table 1-8	数值型 Numeric type		2005
月 Month	表1-8 Table 1-8	数值型 Numeric type		8
日 Day	表1, 表3, 表4, 表8 Table 1, Table 3, Table 4, Table 8	数值型 Numeric type		5
样地代码 Plot code	表1-8 Table 1-8	字符型 Character type		MXFZH01AC0_01
样地名称 Plot name	表1-8 Table 1-8	字符型 Character type		茂县站综合观测场针叶混交林永久样地 Maoxian Station comprehensive observation site permanent plot of coniferous mixed forest
样地类别 Plot type	表1-8 Table 1-8	字符型 Character type		综合观测场永久样地 Comprehensive observation site permanent plot
II级样方号 2nd level plot No.	表1-8 Table 1-8	字符型 Character type		A-1
树号 Tree code	表1 Table 1	字符型 Character type		1570
样方号 Quadrat code	表4, 表7 Table 4, Table 7	字符型 Character type		A-1-1
样方面积 Quadrat area	表2-8 Table 2-8	字符型 Character type	m × m	1 × 1
植物种名 Common name_plant	表1-4, 表8 Table 1-4, Table 8	字符型 Character type		华山松
植物拉丁名 Scientific name_plant	表1-4, 表8 Table 1-4, Table 8	字符型 Character type		Pinus armandii
胸径 Diameter at breast height	表1 Table 1	数值型 Numeric type	cm	4.4
高度 Height	表1 Table 1	数值型 Numeric type	m	5
植物种数 Number of species per quadrat	表5-7 Table 5-7	数值型 Numeric type	种 Species	3
株数 Plant number	表2-4, 表8 Table 2-4, Table 8	数值型 Numeric type	株·样方^-1 inds.·quadrat^-1	27
密度 Density	表5-7 Table 5-7	数值型 Numeric type	株·hm^-2 inds.·hm^-2	2 700
平均胸径 Mean diameter at breast height	表1 Table 1	数值型 Numeric type	cm	8.9
平均基径 Mean basal diameter	表3, 表8 Table 3, Table 8	数值型 Numeric type	cm	0.9
平均高度 Mean height	表2-4 Table 2-4	数值型 Numeric type	m (乔木和灌木 tree and shrub), cm (草本 herb)	6.9
平均长度 Mean length	表8 Table 8	数值型 Numeric type	m	8.7
1.3 m处的平均粗度 Mean diameter at 1.3 m aboveground	表8 Table 8	数值型 Numeric type	cm	1.0
优势种 Dominant species	表5-7 Table 5-7	字符型 Character type		华山松 Pinus armandii
优势种平均高度 Mean height_dominant species	表5-7 Table 5-7	数值型 Numeric type	m	6.9
郁闭度 Canopy density	表5 Table 5	数值型 Numeric type		0.85
盖度 Coverage	表2-4 Table 2-4	数值型 Numeric type	%	8.0
总盖度 Total vegetation coverage	表6-7 Table 6-7	数值型 Numeric type	%	46
生活型 Life form	表1-4 Table 1-4	字符型 Character type		针叶乔木 Coniferous tree

关键指标	所属数据表 Data table	质控措施 Control measures
树高 Tree height	表1 Table 1	采用测杆进行实测, 并让一人站在样地中处于上坡的高大树木上, 观察并确保测杆顶部与树顶平齐 A person used a measuring rod for actual measurement, with a person standing on a tall tree on an uphill slope in the plot and observing and ensuring that the top of the measuring rod is level with the top of the tree
胸径 Diameter at breast height	表1 Table 1	胸径尺的放置位置应与胸径标记平行重合, 紧贴树干。如测量位置出现树皮剥落或翘起, 苔藓、藤本或附生植物生长等情况, 原则上应先除去或磨平, 消除外围影响 The placement position of the breast diameter ruler should be parallel to and coincide with the breast diameter mark, close to the trunk of the tree. If there is bark peeling or curling at the measurement location, it should in principle be removed or smoothed first to eliminate peripheral influences
平均高度 Mean height	表3, 表4 Table 3, Table 4	灌木和草本高度测量时, 应仔细找准植株的基部, 同时监测人员的视线应与植株顶部平行, 并通过至少测量一丛一半以上的灌木植株, 或样方中一半以上的草本, 以此计算平均高度 When measuring the height of shrubs and herbs, carefully locate the base of the plant, at the same time, the line of sight of the monitor should be parallel to the top of the plant. Calculate the average height by measuring at least half ramets of the shrub clump, or more than half of the herbs in the herb quadrat
平均基径 Mean basal diameter	表3, 表8 Table 3, Table 8	找准基径测量的位置, 通过多次交叉测量取平均值, 减少误差。灌木至少测量一丛中一半以上植株, 以此计算平均基径 Find the location for measuring the base diameter accurately; reduce errors by taking the average of multiple cross measurements. Measure at least half ramets of the shrub clump to calculate the average basal diameter
盖度/总盖度/郁闭度 Coverage/ Total vegetation coverage/Canopy density	表2-7 Table 2-7	保证监测人员固定, 加强对观测人员的培训。对于盖度较小的草本植物, 可通过与固定面积的参照物品进行比对目测, 减少测量误差 Ensure that monitors are fixed and strengthen the training of them. For herbaceous plants with lower coverage, visual comparison can be made with reference objects of fixed area to reduce the errors
长度 Length	表8 Table 8	保证监测人员固定, 加强对观测人员的实践训练, 培养其对长度目测的感性认识。也可选取适当的参照物。如2 m的测杆等, 进行分段目测 Ensure that monitors are fixed and strengthen the practical training to cultivate their intuition of visual length. Appropriate reference materials, such as 2 m measuring rod can also be selected for segmented visual estimation