邱书婷, 刘昕明, 陈彬, 王彦国, 廖建基, 杜建国. 西沙群岛珊瑚礁鱼类多样性及分布格局[J]. 海洋环境科学, 2022, 41(3): 395-401. DOI: 10.12111/j.mes.20200235
引用本文: 邱书婷, 刘昕明, 陈彬, 王彦国, 廖建基, 杜建国. 西沙群岛珊瑚礁鱼类多样性及分布格局[J]. 海洋环境科学, 2022, 41(3): 395-401. DOI: 10.12111/j.mes.20200235
QIU Shu-ting, LIU Xi-ming, CHEN Bin, WANG Yan-guo, LIAO Jian-ji, DU Jian-guo. Reef fish diversity and community pattern of the Xisha Islands, South China Sea[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2022, 41(3): 395-401. DOI: 10.12111/j.mes.20200235
Citation: QIU Shu-ting, LIU Xi-ming, CHEN Bin, WANG Yan-guo, LIAO Jian-ji, DU Jian-guo. Reef fish diversity and community pattern of the Xisha Islands, South China Sea[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2022, 41(3): 395-401. DOI: 10.12111/j.mes.20200235

西沙群岛珊瑚礁鱼类多样性及分布格局

Reef fish diversity and community pattern of the Xisha Islands, South China Sea

  • 摘要: 为了解西沙群岛珊瑚礁鱼类多样性、营养级特征及其分布格局,本研究于2019年5月在西沙群岛6座主要岛礁(北礁、赵述岛、西沙洲、玉琢礁、华光礁、晋卿岛)采用水下录像方式进行了原位监测,对该海域鱼类的种类组成、优势种和群落格局等进行了分析。结果表明,调查海域共记录珊瑚礁鱼类116种,隶属3目21科;主要优势种为栉齿刺尾鱼( Ctenochaetus striatus)、燕尾光鳃雀鲷( Chromis fumea)、日本鹦嘴鱼( Chlorurus japanensis)和福氏鹦哥鱼( Scarus forsteni);全海域鱼类的Shannon -Wiener多样性指数( H')为1.57~2.58,平均为2.07;大型鱼类指数( LRFI)为0~0.86,平均为0.40;平均营养级( MTL)为2.24~3.17,平均为2.74;该海域珊瑚礁鱼类可划分为3个群落,即由珊瑚礁和海草床镶嵌生境组成的潟湖群落、永乐群岛群落和宣德群岛群落。

     

    Abstract: In order to explore the diversity, trophic level characteristics and distribution pattern of coral reef fishes in Xisha Islands, the fish communities were monitored using diving surveys in 6 coral reefs (Beijiao Reef, Zhaoshu Island, Xishazhou Reef, Yuzhuo Reef, Huaguang Reef, Jinqin Island) of the Xisha Islands in May 2019, and the species composition, dominant species, and community pattern were analyzed. A total of 116 fish species which belong to 3 families and 21 orders were recorded during the survey. The four most dominant species were Ctenochaetus striatus, Chromis fumea, Chlorurus japanensis, and Scarus forsteni. Shannon-Wiener diversity indices ( H') ranged from 1.57 to 2.58 among the six reefs, with an average of 2.07. Large reef fish indexes ( LRFI) ranged from 0 to 0.86 among the six reefs, with an average of 0.4. Mean trophic level ( MTL) ranged from 2.24 to 3.17 among the six reefs, with an average of 2.74.Three major groups were identified based on fish assemblages, with group A located in the lagoon composed of coral reef and seagrass bed, group B located in the Yongle Islands and Group C in the Xuande Islands.

     

/

返回文章
返回