浙江乌岩岭叶蜂多样性分布及影响因素

doi:10.17520/biods.2025459

生物多样性

浙江乌岩岭叶蜂多样性分布及影响因素

张海龙¹, 聂海燕¹, 刘萌萌², 魏美才³, 李泽建^4*

1. 中南林业科技大学生命科学与技术学院，长沙 410000; 2. 丽水学院农业与生物技术学院，浙江丽水，323000; 3. 江西师范大学生命科学学院，南昌 330022; 4. 丽水市林业局华东药用植物园科研管理中心省级博士后科研工作站，浙江丽水 323000

收稿日期:2025-11-15 修回日期:2026-01-27 接受日期:2026-04-17
通讯作者: 李泽建
基金资助:
国家自然科学基金(32370500)

Diversity patterns and influencing factors of sawflies in Mt. Wuyanling, Zhejiang Province, China

Hailong Zhang¹, Haiyan Nie¹, Mengmeng Liu², Meicai Wei³, Zejian Li^4*

1 Academy of Life Sciences and Technology, Central South University of Forestry and Technology, Changsha 410000, China

2 College of Agriculture and Biotechnology, Lishui University, Lishui, Zhejiang 323000, China

3 College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China

4 Provincial Postdoctoral Research Station, Scientific Research and Management Center of East China Medicinal Botanical Garden, Lishui Forestry Bureau, Lishui, Zhejiang 323000, China

Received:2025-11-15 Revised:2026-01-27 Accepted:2026-04-17
Contact: Zejian Li
Supported by:
National Natural Science Foundation of China(32370500)

摘要/Abstract

摘要： 山地生态系统在有限空间内集成多样的地质、地貌与气候条件，形成陡峭而连续的环境梯度，是生物地理学和群落生态学研究的理想场所，也是生物多样性保护的关键区域。本研究以华东地区保存最完整的中亚热带常绿阔叶林—浙江乌岩岭国家级自然保护区的叶蜂群落为对象，沿海拔梯度设置4条固定样线，并在2023–2024年的3–7月进行重复调查，整理出区域叶蜂物种名录与丰度数据。基于此，探究了叶蜂群落多样性分布格局及其影响因子。结果表明: (1)在α多样性方面，叶蜂物种多样性和丰富度随海拔升高而显著降低(P < 0.05); 7月叶蜂丰富度显著降低(P < 0.05)，而其余多样性指数在月份间差异不显著(P > 0.05)。(2)广义可加模型(GAM)模拟结果表明，物种丰富度对海拔的响应由多个局部峰谷构成。日均温与物种丰富度呈显著单峰关系，湿度则表现为微弱的非线性效应; 气压与物种丰富度、海拔与群落均匀度之间均呈显著线性正相关。(3)在β多样性方面，不同海拔带及月份间的群落组成差异显著，且主要由物种周转过程驱动。(4)Mantel检验表明，群落组成的总差异及空间周转组分与多种环境因子差异呈显著正相关，群落相似性随环境距离增加而显著降低。本研究形成了乌岩岭叶蜂物种名录，揭示了叶蜂群落多样性的多样性分布格局，阐明了环境因子对群落构建的驱动作用，为区域昆虫多样性保护提供了科学依据。

关键词: 叶蜂类群, 物种名录, 昆虫多样性分布, 浙江省

Abstract

Aim: This study investigated sawflies communities in the Wuyanling National Nature Reserve, which preserves the most intact mid-subtropical evergreen broad-leaved forest in East China. The objectives were to: (1) explore the spatiotemporal distribution patterns of sawfly diversity across different elevations and months; and (2) identify the environmental drivers shaping these diversity patterns.

Methods: We established four fixed transects along an elevational gradient (categorized as low, lower-mid, mid, and high elevations) within the reserve. Repeated systematic surveys were conducted from March to July in 2023 and 2024 to compile a species checklist and obtain abundance data.

Results: The results showed that regarding α diversity, sawfly species diversity and richness decreased significantly with increasing elevation (P < 0.05), and sawfly richness was significantly lower in July (P < 0.05), whereas the other diversity indices showed no significant differences among months (P > 0.05). Generalized Additive Model (GAM) results indicated that the response of species richness to elevation was characterized by multiple local peaks and valleys. Mean daily temperature exhibited a significant unimodal relationship with species richness, while humidity showed a weak non-linear effect. There were significant positive linear correlations between air pressure and species richness, as well as between elevation and community evenness. Regarding β diversity, community composition differed significantly across elevation zones and months, and was primarily driven by species turnover processes. Mantel tests revealed that the total variation in community composition and the spatial turnover component were significantly positively correlated with variations in multiple environmental factors, and community similarity decreased significantly with increasing environmental distance.

Conclusion: This study supplements the regional checklist of sawfly taxa and systematically reveals the spatial distribution patterns of sawfly communities in Mt. Wuyanling. These findings provide essential baseline data for regional insect diversity surveys and offer insights for biodiversity conservation in subtropical mountain ecosystems.

Key words: sawfly taxa, species checklist, insects diversity distribution, Zhejiang Province

张海龙, 聂海燕, 刘萌萌, 魏美才, 李泽建. 浙江乌岩岭叶蜂多样性分布及影响因素. 生物多样性, DOI: 10.17520/biods.2025459.

Hailong Zhang, Haiyan Nie, Mengmeng Liu, Meicai Wei, Zejian Li. Diversity patterns and influencing factors of sawflies in Mt. Wuyanling, Zhejiang Province, China. Biodiversity Science, DOI: 10.17520/biods.2025459.

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链接本文: https://www.biodiversity-science.net/CN/10.17520/biods.2025459

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