Elevation Gradient Distribution Pattern of Plant Community Diversity in Gongnaisi Subalpine Meadow and its Driving Factors

doi:10.11733/j.issn.1007-0435.2026.05.025

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (5): 1841-1851.DOI: 10.11733/j.issn.1007-0435.2026.05.025

Elevation Gradient Distribution Pattern of Plant Community Diversity in Gongnaisi Subalpine Meadow and its Driving Factors

YANG Ming-li^1,3,4, LIU Bin^1,3,4, LI Xin-guo², WANG En-zhao^1,3,4, FAN Xiao-ling^1,3,4, SUN Qing-zhen^1,3,4

1. College of Life Sciences, Xinjiang Normal University, Urumqi, Xinjiang 830017, China;
2. College of Geographic Sciences and Tourism, Xinjiang Normal University, Urumqi, Xinjiang 830017, China;
3. Xinjiang Laboratory of Special Environmental Species Conservation and Regulatory Biology, Urumqi, Xinjiang 830017, China;
4. Xinjiang Key Laboratory of Application and Regulation of Special Environmental Biodiversity, Urumqi, Xinjiang 830017, China

Received:2025-07-15 Revised:2025-09-25 Published:2026-05-08

巩乃斯亚高山草甸植物群落多样性海拔梯度分布格局及其驱动因子

杨明力^1,3,4, 刘彬^1,3,4, 李新国², 王恩召^1,3,4, 樊晓玲^1,3,4, 孙庆振^1,3,4

1. 新疆师范大学生命科学学院, 新疆乌鲁木齐 830017;
2. 新疆师范大学地理科学与旅游学院, 新疆乌鲁木齐 830017;
3. 新疆特殊环境物种保护与调控生物学实验室, 新疆乌鲁木齐 830017;
4. 新疆特殊环境物种多样性应用与调控重点实验室, 新疆乌鲁木齐 830017

通讯作者: 刘彬，E-mail:onlinelb@163.com
作者简介:杨明力（2001-），男，汉族，湖南邵阳人，硕士研究生，主要从事植物群落构建研究，E-mail:a13579884772@163.com；
基金资助:
新疆维吾尔自治区自然科学基金（2022D01A230）；国家自然科学基金地区基金项目（32160271）资助

Abstract

Abstract: Studying the altitude distribution pattern and driving factors of plant community diversity in subalpine meadow is helpful to reveal the mechanism of plant community species coexistence and diversity maintenance under the background of coastal elevation gradient. In this study， the plant community in Gongnaisi mountain area was taken as the research object， and the distribution law of plant community diversity along the elevation gradient and environmental influencing factors were discussed to reveal the plant community construction mechanism in this area. The results showed that：（1） With increasing the altitude， Pielou index， Simpson index， Shannon-Wiener index， Functional Evenness Index （FEVE）， Functional Divergence Index （FDIS） and Rao’s second entropy index all showed a single-peak change pattern， and the system development structure changed from divergence to aggregation；（2） PD index was significantly positively correlated with species richness and Margalef index， and positively correlated with Pielou index and Rao second entropy index. In addition， except FDis， there was a positive correlation between species richness index and functional diversity index；（3） Community diversity was mainly affected by environmental factors such as soil organic matter， total nitrogen， pH， average annual temperature， average annual precipitation and soil moisture. The plant community diversity in Gongnaisi subalpine meadow changed regularly along the elevation gradient， and its distribution pattern was mainly driven by environmental factors such as soil organic matter， total nitrogen， pH， annual average temperature， soil moisture content and annual average precipitation.

Key words: Functional diversity, Phylogenetic diversity, Phylogenetic structure, Environmental factors, Subalpine meadow

摘要： 研究亚高山草甸植物群落多样性海拔分布格局及其驱动因子，有助于揭示沿海拔梯度背景下植物群落物种共存及多样性维持机制。本研究以巩乃斯山区植物群落为研究对象，探讨植物群落多样性沿海拔梯度分布规律及环境影响因子，揭示该区植物群落构建机制。结果表明：（1）随海拔的升高，Pielou指数、Simpson指数、Shannon-Wiener指数、功能均匀度指数（Functional evenness， FEve）、功能离散度指数（Functional divergence， FDis）和Rao二次熵指数均呈单峰变化格局，系统发育结构由发散转为聚集状态；（2）系统发育多样性指数与物种丰富度及Margalef指数均呈极显著的正相关，与Pielou指数、Rao二次熵指数之间呈显著正相关。此外，除FDis，物种丰富度指数与功能多样性指数之间均具有正相关关系；（3）群落多样性主要受土壤有机质、全氮、pH、年均温、年均降水和土壤含水等环境因素影响。巩乃斯亚高山草甸植物群落多样性沿海拔梯度呈现规律性变化，其群落多样性的分布格局主要受土壤有机质、全氮、pH、年均温、土壤含水率和年均降水等环境因子的驱动。

关键词: 功能多样性, 系统发育多样性, 系统发育结构, 环境因子, 亚高山草甸

CLC Number:

S812

YANG Ming-li, LIU Bin, LI Xin-guo, WANG En-zhao, FAN Xiao-ling, SUN Qing-zhen. Elevation Gradient Distribution Pattern of Plant Community Diversity in Gongnaisi Subalpine Meadow and its Driving Factors[J]. Acta Agrestia Sinica, 2026, 34(5): 1841-1851.

杨明力, 刘彬, 李新国, 王恩召, 樊晓玲, 孙庆振. 巩乃斯亚高山草甸植物群落多样性海拔梯度分布格局及其驱动因子[J]. 草地学报, 2026, 34(5): 1841-1851.

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Elevation Gradient Distribution Pattern of Plant Community Diversity in Gongnaisi Subalpine Meadow and its Driving Factors

巩乃斯亚高山草甸植物群落多样性海拔梯度分布格局及其驱动因子

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