云南樟科植物的多维多样性格局及其环境驱动因子探究和保护评估

doi:10.17520/biods.2024558

生物多样性

云南樟科植物的多维多样性格局及其环境驱动因子探究和保护评估

陈雯妍^1,2, 慈秀芹^1*, 陈筠灵^1,2, 刘志芳³, 李朗¹, 李捷^1*

1. 中国科学院西双版纳热带植物园综合保护中心植物系统发育与多样性保护研究组/云南省热带雨林与亚洲象保护重点实验室, 勐腊 666303 2. 中国科学院大学，北京 100049 3. 山东省农业科学院休闲农业研究所，济南 250100

收稿日期:2024-12-11 修回日期:2025-02-26 接受日期:2025-03-27
通讯作者: 慈秀芹, 李捷

Multidimensional diversity patterns of Lauraceae plants in Yunnan with their environmental driving factors and conservation assessment

Wenyan Chen^1,2, Xiuqin Ci^1*, Junling Chen^1,2, Zhifang Liu³, Lang Li^1*

1 Plant Phylogenetics and Conservation Group, Center for Integrative Conservation & Yunnan Key Laboratory for the Conservation of Tropical Rainforests and Asian Elephants, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303

2 University of Chinese Academy of Sciences, Beijing 100049

3 Institute of Leisure Agriculture, Shandong Academy of Agricultural Science, Jinan 250100

Received:2024-12-11 Revised:2025-02-26 Accepted:2025-03-27
Contact: Qinxiu Ci, Jie Li

摘要/Abstract

摘要： 从物种、进化和功能等多个维度探究多样性格局对于深入了解生物多样性和开展科学合理的保护规划至关重要。云南作为中国生物多样性最丰富的省份和全球樟科植物的重要分布中心，是研究樟科植物多维多样性格局及其环境驱动机制的关键区域。本研究以云南分布的特有性显著且受威胁程度高的樟科植物为研究对象，通过收集其分布数据，从物种、进化、功能等三个维度探究云南樟科植物的多样性空间分布格局，识别其多样性热点区域和特有中心，解析分布格局的环境驱动因子，同时对其进行保护优先区识别和保护空缺分析，为优化云南现有保护体系提供坚实的理论依据。结果显示: (1)云南现有樟科植物21属225种，不同维度的多样性格局存在空间错配; (2)滇东南、滇南、滇西南、滇西北、滇东北，以及中部的哀牢山-无量山区域是多样性热点区域和特有中心; (3)水分和土壤是主导多样性分布格局的关键环境因子; (4)云南现有的自然保护体系对樟科植物保护不足，63.4%的保护优先区存在保护空缺，52.6%的保护优先区位于与周边省份、国家毗邻的狭窄区域中。本研究强调，精准保护需对多维多样性进行综合分析，充分了解区域生物多样性的空间分布格局，从而为制定科学的保护规划提供依据；同时在云南的保护规划中，应特别关注与周边省份、临近国家接壤的边缘保护优先区。

关键词: 多样性格局, 多样性热点, 保护优先区, 樟科, 云南

Abstract

Aims: Analyzing biodiversity patterns across multiple dimensions such as species, evolution, and function is essential for deeply understanding biological diversification and informing effective conservation strategies. As the province with the richest biodiversity in China and an important distribution center of Lauraceae plants globally, Yunnan is a key region for studying the multidimensional diversity patterns of Lauraceae plants and their environmental driving mechanisms. To gain a comprehensive understanding of the multidimensional patterns of biodiversity and to enhance the conservation system in Yunnan, we focused on Lauraceae, which is highly endemic and threatened in Yunnan, to conduct studies on diversity patterns and conservation.

Methods: By collecting distribution data, we examined the multidimensional diversity patterns of Lauraceae in Yunnan, identified its endemism and diversity hotspots, analyzed the dominant environmental factors shaping these patterns, conducted conservation gap analysis to inform conservation planning.

Results: (1) The results indicate that there are 21 genera and 225 species of Lauraceae in Yunnan, and the diversity patterns of the different dimensions were mismatched. (2) Water and soil were the dominant factors affecting the patterns. (3) Southeast Yunnan, South Yunnan, Southwest Yunnan, Northwest Yunnan, Northeast Yunnan, as well as the Ailaoshan-Wuliangshan area in the central part are the diversity hotspots and centers of endemism. (4) Current protected areas in Yunnan do not adequately cover Lauraceae conservation hotspots, leaving 63.4% of the critical areas unprotected. Notably, 52.6% of these conservation hotspots were located in narrow areas adjacent to neighboring provinces and countries.

Conclusion: A multidimensional comprehensive analysis method should be employed to fully understand the distribution patterns of regional biodiversity, and develop scientific and effective conservation planning. The conservation planning of Yunnan needs to focus particularly on edge conservation hotspot grids that are adjacent to neighboring provinces or countries.

Key words: Biodiversity pattern, Biodiversity hotspots, Priority conservation area, Lauraceae, Yunnan

陈雯妍, 慈秀芹, 陈筠灵, 刘志芳, 李朗, 李捷. 云南樟科植物的多维多样性格局及其环境驱动因子探究和保护评估. 生物多样性, DOI: 10.17520/biods.2024558.

Wenyan Chen, Xiuqin Ci, Junling Chen, Zhifang Liu, Lang Li, Jie Li. Multidimensional diversity patterns of Lauraceae plants in Yunnan with their environmental driving factors and conservation assessment. Biodiversity Science, DOI: 10.17520/biods.2024558.

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链接本文: https://www.biodiversity-science.net/CN/10.17520/biods.2024558

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