摘要
气候变化和全球变暖是珊瑚白化的主要原因之一,2016年的高温事件导致大堡礁内40%的珊瑚白化死亡,普遍认为海洋热浪会导致珊瑚种群的严重损失,包括珊瑚死亡率增加和珊瑚分布密度降低、生物量下降等。全球珊瑚礁的迅速减少使得人们越来越关注保护和恢复珊瑚礁生态系统。珊瑚礁是地球上典型的生态系统之一,为许多鱼类和海洋无脊椎动物提供了理想的生存条件,具有丰富的海洋生物多样性,为人类提供重要的服务和产品,如海岸保护、渔业资源和制药原料,并具有重要的文化价值,对人类社会和海洋生态环境的健康与可持续发展起着至关重要的作用。八放珊瑚是珊瑚礁生态系统中重要的组成类别,在维持海洋生态系统结构完整性和生物多样性方面具有重要作用。为了解厦门湾内大佰屿、小佰屿海域八放珊瑚物种多样性现状,于2017年7月和2021年4月,在厦门湾内的大佰屿、小佰屿附近海域进行潜水调查,分别采集了137株和42株八放珊瑚样本。采用传统形态学鉴定方法对样本进行鉴定,结果显示,大佰屿栖息有6科8属16种珊瑚,小佰屿栖息有5科7属13种珊瑚。发现厦门湾新记录种7种,分别是真丛柳珊瑚(Euplexaura amerea、Euplexaura robusta)、小月柳珊瑚(Menella flora、Menella simplex、Menella woodin)、等柳珊瑚(Parisis laxa)和棘穗软珊瑚Dendronephthya purpurea。发现中国八放珊瑚新记录种5种,分别是真丛柳珊瑚E.amerea、小月柳珊瑚(M.flora、M.simplex、M.woodin)及等柳珊瑚(P.laxa),并对这5种珊瑚进行了详细的形态描述。此外,通过基因片段定序技术(COI、mtMutS及ND2基因片段),对珊瑚样本进行系统发育分析。结果显示,mtMutS基因系统发育进化树能将真丛柳珊瑚属、小月柳珊瑚属、棘穗软珊瑚属、星柳珊瑚属、刺柳珊瑚属清晰地分开。COI、ND2基因系统发育进化树能将真丛柳珊瑚属、瘦枝珊瑚属�
Climate change and global warming are one of the main reasons of coral bleaching.The 2016 heat event caused 40%of coral bleaching and death on the Great Barrier Reef.It is generally believed that marine heat waves can lead to serious losses in coral populations,including increased coral mortality,reduced coral distribution density,and reduced biomass.The rapid decline of coral reefs around the world has prompted increasing attention to the protection and restoration of coral reef ecosystems.Coral reefs are one of the typical ecosystems on Earth,providing ideal living conditions for many species of fish and marine invertebrates and enriching marine biodiversity.It provides important services and products to mankind,such as coastal protection,fishery resources and pharmaceutical raw materials,and has important cultural value,playing a vital role in the health and sustainable development of human society and the marine ecological environment.Octocoral corals is an important component of coral reefs ecosystem,playing a crucial role in maintaining the structural integrity and biodiversity of marine ecosystems.In order to understand the species diversity of Octocoral corals in the waters of Dabai island and Xiaobai island in Xiamen Bay,137 and 42 Octocoral coral samples were collected respectively in July 2017 and April 2021.Traditional morphological identification methods were used to identify the samples.The results showed that there were 16 species of Octocoralcorals in 6 families,8 genera in Dabai island,and 13 species of corals in 5 families,7 genera in Xiaobai island.Seven newly recorded species were found in Xiamen Bay,including Euplexaura amerea,Euplexaura robusta,Menella flora,Menella simplex,Menella woodin,Parisis laxa and Dendronephthya purpurea.Comparing records from China,five new recorded species were found,including E.amerea,M.flora,M.simplex,M.woodin and P.laxa,which were described in detail.In addition,phylogenetic analysis of coral samples was performed using gene fragment sequencing techniques(COI,mt
作者
阳静
王云沛
施宜佳
刘佳英
YANG Jing;WANG Yunpei;SHIH Yijia;LIU Jiaying(Fisheries College of Jimei University,Xiamen 361021,China;Marine Sustainability Promotion Research Center,National Sun Yat-sen Universit,Gaoxiong 804,China;Fujian Provincial Key Laboratory of Marine Fishery Resources and Ecological Environment,Xiamen 361021,China)
出处
《生态学报》
CAS
CSCD
北大核心
2024年第23期10545-10559,共15页
Acta Ecologica Sinica
基金
福建省自然科学基金(2019J01690)
厦门市海洋经济发展专项资金(13GQT001NF14)
集美大学国家基金培育计划(ZP2020021)。
关键词
珊瑚
分类
新记录种
大佰屿
小佰屿
coral
classification
newly recorded species
Dabai island
Xiaobai island
