Plant diversity dataset of the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (2005-2020)

doi:10.17520/biods.2024417

Abstract

Abstract:

Species diversity is an important indicator of community structure, composition and function of forests. Evaluating and monitoring changes in species diversity of forest communities are crucial for natural resource management and conservation effectiveness, providing important support for scientific research, policy-making, and ecological conservation. The Qianjiangyuan-Baishanzu National Park candidate area is located within a priority area for biodiversity conservation in China, preserving contiguous large-area mid-subtropical low-altitude evergreen broad-leaved old-growth forests that exemplify typical, integrity, and nationally representative characteristics. The Zhejiang Qianjiangyuan Forest Biodiversity National Observation and Research Station (hereinafter referred to as “Qianjiangyuan Station”) established a 24-ha forest dynamics plot within the Gutianshan area (formerly the Gutianshan National Nature Reserve) of the Qianjiangyuan section, which is part of the Qianjiangyuan-Baishanzu National Park candidate area following ForestGEO protocols during 2004-2005. The plot provides an ideal platform for long-term monitoring of species diversity in subtropical evergreen broad-leaved forest communities. This study is based on four censuses organized by the Qianjiangyuan Station in 2005, 2010, 2015, and 2020 on the 24-ha subtropical evergreen broad-leaved forest dynamics plot in Gutianshan. We conducted data quality control assessments and statistical analyses of census data for all stems with diameters at breast height (DBH) ≥ 1 cm of woody species. The study provides species diversity data for 600 quadrats of 20 m × 20 m scale. It calculates community α diversity indices (species richness, Shannon-Wiener diversity index, and Pielou evenness index) and β diversity (Jaccard index) were calculated for each quadrat. These data offer a foundational basis for in-depth research into biodiversity, community structure, and functions in the subtropical forest communities of Gutianshan. Furthermore, these data support evaluations of biodiversity conservation effectiveness and adaptive management strategies in this national park.

Database/Dataset Profile

Title	Plant diversity dataset of the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (2005-2020)
Data author(s)	Weiwei Wang, Xiangcheng Mi, Ningning Wang, Haibao Ren, Zhixi Tang, Zhuning Zhang, Keping Ma, Lei Chen
Data corresponding author	Lei Chen (chenlei@ibcas.ac.cn)
Time range	2005-2020
Geographical scope	29°15′ N, 118°07′ E
File size	402 kb
Data volume	Number of records: 10,198
Data format	*.csv
Data link	https://www.scidb.cn/detail?dataSetId=41a6c89df8f34d1bb72822edd50a3169 https://doi.org/10.57760/sciencedb.16672 https://www.biodiversity-science.net/fileup/1005-0094/DATA/2024417.zip
Database/Dataset composition	The dataset consists of 10 data files, including: (1) alpha diversity.csv: this file contains α-diversity data, with a total of 4,799 records. (2) beta_diversity.zip: this compressed file contains β-diversity data, also with a total of 4,799 records. (3) coordinates of the quadrats.csv: this file contains the coordinates of the quadrats, with a total of 600 records.

Key words: Qianjiangyuan station, national park, woody plants, α diversity, β diversity, temporal dynamics

Weiwei Wang, Xiangcheng Mi, Ningning Wang, Haibao Ren, Zhixi Tang, Zhuning Zhang, Keping Ma, Lei Chen. Plant diversity dataset of the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (2005-2020)[J]. Biodiv Sci, 2024, 32(12): 24417.

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URL: https://www.biodiversity-science.net/EN/10.17520/biods.2024417

https://www.biodiversity-science.net/EN/Y2024/V32/I12/24417

Figures/Tables 6

Fig. 1 Distribution map of 20 m × 20 m quadrats in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (the numbers within the cells correspond to the quadrat IDs)

Table 1 Examples of woody plant species α-diversity indicators of 20 m × 20 m quadrats in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot

样方号 Quadrat number	时间 Time	生活型 Life form	物种丰富度 Species richness	Simpson多样性指数 Simpson diversity index	Shannon-Wiener多样性指数 Shannon-Wiener diversity index	Pielou均匀度指数 Pielou evenness index
1	2005	乔木 Tree	33	0.92	2.97	0.85
1	2005	灌木 Shrub	5	0.58	1.16	0.72

Fig. 2 Spatial variation of tree α diversity among 20 m × 20 m quadrats in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot

Fig. 3 Spatial variation of shrub α diversity among 20 m × 20 m quadrats in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot

Fig. 4 Inter-annual variation in tree α diversity in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (mean ± SD). Different lowercase letters indicate significant differences between years (P < 0.05).

Fig. 5 Inter-annual variation in shrub α diversity in the 24-ha Zhejiang Gutianshan subtropical evergreen broad-leaved forest dynamics plot (mean ± SD). Different lowercase letters indicate significant differences between years (P < 0.05).

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