福建东山海域新记录种揭示我国北缘造礁石珊瑚群落多样性

doi:10.17520/biods.2025335

生物多样性

福建东山海域新记录种揭示我国北缘造礁石珊瑚群落多样性

罗熙^1,2,3, 王啟芳^1,2,3*, 王建佳^1,2,3, 杨倩曦^1,2,3, 方鸿飞^1,2,3, 洪淼^1,2,3, 张琦^1,2,3, 蔡灵^1,2,3, 周曦杰^1,2,3, 黄丁勇^1,2,3, 郑新庆^1,2,3

1. 自然资源部第三海洋研究所海洋生态保护和修复重点实验室, 福建厦门 361005; 2. 海峡西岸海岛海岸带生态系统野外科学观测研究站, 福建厦门 361005; 3. 漳州海岛海岸带福建省野外科学观测研究站, 福建厦门 361005

收稿日期:2025-08-20 修回日期:2025-11-02 接受日期:2026-02-09
通讯作者: 王啟芳
基金资助:
国家重点研发计划(2022YFF0802204); 海洋三所基本科研业务费项目(2025044); 海洋三所基本科研业务费项目(2019017); 国家自然科学基金(42376110); 福建省自然科学基金杰青项目(2023J06043)

Newly recorded coral species near the region of Dongshan, Fujian Province expands the biodiversity of the northernmost scleractinian communities of China

Xi Luo^1,2,3, Qifang Wang^1,2,3*, Jianjia Wang^1,2,3, Qianxi Yang^1,2,3, Hongfei Fang^1,2,3, Miao Hong^1,2,3, Qi Zhang^1,2,3, Ling Cai^1,2,3, Xijie Zhou^1,2,3, Dingyong Huang^1,2,3, Xinqing Zheng^1,2,3

1 Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, Fujian 361005, China

2 Observation and Research Station of Island and Coastal Ecosystem in the Western Taiwan Strait, Xiamen, Fujian 361005, China

3 Fujian Provincial Station for Field Observation and Research of Island and Coastal Zone in Zhangzhou, Xiamen, Fujian 361005, China

Received:2025-08-20 Revised:2025-11-02 Accepted:2026-02-09
Contact: Qifang Wang
Supported by:
National Key Research and Development Program of China(2022YFF0802204); Scientific Research Foundation of the Third Institute of Oceanography, Ministry of Natural Resources of China(2025044); Scientific Research Foundation of the Third Institute of Oceanography, Ministry of Natural Resources of China(2019017); National Natural Science Foundation of China(42376110); Fujian Provincial Natural Science Funds for Distinguished Young Scholar(2023J06043)

摘要/Abstract

摘要： 造礁石珊瑚作为珊瑚礁生态系统的主要构建者, 不仅列属《濒危野生动植物种国际贸易公约》附录II, 亦是我国国家重点保护水生野生动物。高纬度海域因其较低的热胁迫风险, 被视为气候变化背景下热带造礁石珊瑚的潜在避难所。然而, 高浊度水体以及珊瑚的强表型可塑性导致这些区域的物种鉴定困难, 长期缺乏准确的名录, 制约了其科学保护与管理。为厘清我国北缘造礁石珊瑚群落的物种组成, 本研究结合生态影像数据、骨骼形态学分析, 以及核糖体基因组内转录间隔区(ITS)和线粒体细胞色素c氧化酶亚基I基因(CO1)分子标记方法, 发现福建东山海域分布着至少7科12属13种造礁石珊瑚, 包括6个新记录种, 表明东山造礁石珊瑚的生物多样性可能被低估。此次发现的中国造礁石珊瑚新记录种——佩罗尼同星珊瑚(Plesiastrea peroni), 具有珊瑚杯间隔较大、珊瑚杯隔片数量较少以及隔片表面呈颗粒状等形态学特征。利用针对同星珊瑚的线粒体基因CO1特异性引物Pv-CO1扩增出的基因序列与已报道多孔同星珊瑚(P. versipora)存在差异。此外, 本研究还对斯氏伯孔珊瑚(Bernardpora stutchburyi)、翘齿盘星珊瑚(Dipsastraea matthaii)、黑星珊瑚(Oulastrea crispata)、膨胀蔷薇珊瑚(Montipora turgescens)和毗邻沙珊瑚(Psammocora contigua) 5个区域新记录种进行了形态描述。本研究丰富了我国北缘造礁石珊瑚群落的物种多样性信息, 可为东山及周边海域造礁石珊瑚群落的保护和管理提供基础数据支持。

关键词: 造礁石珊瑚, 物种多样性, 福建东山, 新记录种, 同星珊瑚属

Abstract

Aims: Scleractinian corals, as the framework species of reef ecosystems, are listed in Appendix II of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and are designated as National Key Protected Aquatic Wildlife in China. High-latitude coral communities have been proposed as potential climate refugia for tropical corals due to lower thermal stress. However, the high turbidity of local seawater and strong coral phenotypic plasticity at high latitudes could complicate species identification in these areas.

Methods: To determine the species composition of scleractinian corals in China’s northernmost coral communities (Dongshan, Fujian Province), we conducted systematic surveys in Dongshan waters through using integrated ecological imaging, skeletal morphology, and molecular genotyping, with the molecular identification targeted at nuclear internal transcribed spacers (ITS) and the mitochondrial cytochrome coxidase I (CO1) gene.

Results: Our analysis revealed that Dongshan waters host at least 13 scleractinian coral species from 12 genera across 7 families. This includes six newly recorded species (Plesiastrea peroni, Bernardpora stutchburyi, Dipsastraea matthaii, Oulastrea crispata, Montipora turgescens, and Psammocora contigua), indicating previously underestimated regional coral diversity. We report Plesiastrea peroni for the first time in China. This species is morphologically distinct from Plesiastrea versipora having wider corallite spacing, fewer septa, and a granulated septal surface, which has been confirmed via sequencing of the Pv-CO1 gene.

Conclusion: These findings expand our knowledge of the biodiversity of South China’s coral communities, providing baseline data to strengthen the function of Dongshan as a northern refugium for the protection and management of pole-ward-moving tropical corals.

Key words: Scleractinian coral, biodiversity, Dongshan Fujian Province, newly recorded species, Plesiastrea

罗熙, 王啟芳, 王建佳, 杨倩曦, 方鸿飞, 洪淼, 张琦, 蔡灵, 周曦杰, 黄丁勇, 郑新庆. 福建东山海域新记录种揭示我国北缘造礁石珊瑚群落多样性. 生物多样性, DOI: 10.17520/biods.2025335.

Xi Luo, Qifang Wang, Jianjia Wang, Qianxi Yang, Hongfei Fang, Miao Hong, Qi Zhang, Ling Cai, Xijie Zhou, Dingyong Huang, Xinqing Zheng. Newly recorded coral species near the region of Dongshan, Fujian Province expands the biodiversity of the northernmost scleractinian communities of China. Biodiversity Science, DOI: 10.17520/biods.2025335.

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链接本文: https://www.biodiversity-science.net/CN/10.17520/biods.2025335

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