生物多样性 ›› 2015, Vol. 23 ›› Issue (1): 41-49.doi: 10.17520/biods.2014100

• 研究报告:动物多样性 • 上一篇    下一篇

庙岛群岛南部海域大型底栖动物多样性

李乃成1, 刘晓收1*, 徐兆东1, 赵瑞1, 石洪华2*   

  1. 1中国海洋大学海洋生命学院, 山东青岛 266003
    2国家海洋局第一海洋研究所, 山东青岛 266061
  • 收稿日期:2014-05-26 修回日期:2014-08-10 出版日期:2015-01-20
  • 通讯作者: 刘晓收, 石洪华 E-mail:liuxs@ouc.edu.cn; shihonghua@fio.org.cn
  • 基金项目:

    科技部科技基础性工作专项;海洋公益性行业科研专项

Biodiversity of macrofauna in the southern waters of Miaodao Archipelago, China

Naicheng Li1, Xiaoshou Liu1*, Zhaodong Xu1, Rui Zhao1, Honghua Shi2*   

  1. 1College of Marine Life Sciences, Ocean University of China, Qingdao, Shandong 266003

    2The First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061
  • Received:2014-05-26 Revised:2014-08-10 Online:2015-01-20
  • Contact: Xiaoshou Liu, Honghua Shi E-mail:liuxs@ouc.edu.cn; shihonghua@fio.org.cn

为了解庙岛群岛南部海域大型底栖动物群落多样性变化, 我们在该海域设置了11个站位, 于2012年11月、2013年2月、5月、8月共进行了4个航次的调查, 对该海域大型底栖动物的生物多样性变化、种类组成以及优势种等进行了分析。在研究海域共采集到大型底栖动物164种, 包括环节动物多毛类82种, 节肢动物甲壳类38种, 软体动物30种, 棘皮动物9种, 其他类群5种。各站位种类数在6–42种之间。物种数冬夏较多、春季较少。各站位Shannon-Wiener多样性指数未呈现明显的季节性变化; 均匀度指数春夏最高; 而丰富度指数春夏两季最低。沉积物中有机质与叶绿素含量是影响大型底栖动物多样性的主要因素。丰度–生物量比较曲线(ABC曲线)结果表明, 位于庙岛与北长山岛之间的C13站、毗邻庙岛的C17站和C28站的底栖动物群落受到了中等程度的扰动, 其余站位未受到明显扰动。

关键词: 庙岛群岛, 大型底栖动物, 生物多样性, ABC曲线, 沉积物

The objectives of this study were to reveal fluctuations in the macrofaunal biodiversity and to provide a scientific basis for sustainable exploration of biological resources in the southern waters of the Miaodao Archipelago. Accordingly, in November 2012, February 2013, May 2013 and August 2013, four cruises were carried out in this area to investigate patterns in macrofaunal biodiversity. Shannon-Wiener diversity index, species evenness and richness indices were compared to investigate biodiversity patterns. Meanwhile, species composition and dominant species of macrofauna were also estimated. A total of 164 species of macrofauna were identified, including 82 species of polychaetes, 38 species of crustaceans, 30 species of mollusks, 9 species of echinoderms, and 5 species from other phyla. The species number of each station ranged from 6 to 42. Numbers of species in summer and winter were higher than in spring. No seasonal differences in Shannon-Wiener diversity were detected. Pielou’s evenness index was highest in summer and spring. The species richness index was slightly lower in spring and in summer. It was revealed that the number of species and the abundance had great effects on macrobenthic species diversity, while some environmental factors correlated closely with biodiversity. Sediment levels of organic matter and chlorophyll were the main factors affecting biodiversity of macrofauna, through their influence on number of species and evenness. According to abundance-biomass comparison curves (ABC curves), macrobenthic communities at Station C13 (between Miao Island and Beichangshan Island), Stations C17 and C28 (close to Miao Island) were affected by moderate disturbance. Disturbance was not detected at the other stations in the study area.

Key words: Miaodao Archipelago, macrofauna, biodiversity, ABC curves, sediment

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