Community structure and biodiversity of fish in the north sea area of Zhoushan Island
LU Yan, NIU Weizhen, CHENG Aiyong, YU Cungen*, JIANG Xinqin*
1.China Energy Zhejiang Zhoushan Power Generation Company Limited, Zhoushan 316012, China; 2.College of Fisheries, Zhejiang Ocean University, Zhoushan 316022, China
Abstract: In order to probe for fish community structure and biodiversity characteristics in north sea area of Zhoushan Island, the fishery resources and community structure including species composition, fauna characteristics, ecological groups, and biological diversity of fish were surveyed at 20 sampling sites in the north Zhoushan Island sea in spring (April, 2021), summer (June, 2021), autumn (October, 2020) and winter (Juanuary, 2021) by bottom trawls. Then the similarity of fish community structure was analyzed at different sampling stations in different seasons by clustering method. The results showed that a total of 50 fish species were collected and identified, belonging to 12 orders, 26 families and 45 genera, in the four seasons, with the descending order of the number of fish species in each season as summer>winter>autumn>spring. The fishes in this area were composed of warm water species (56.0%) and warm-temperature species (44.0%), with the dominant seasonal migratory species. The obvious seasonal change in dominant species was observed, with 6 species in summer, 2 species in spring, 1 species in autumn and 1 species in winter, and the most important dominant species being bombay duck Harpodonnehereus in this area. The maximal diversity index (H′) was found in summer, the maximal evenness index (J) in spring, and the maximal richness index (D) in winter. There was the maximal similarity degree of community in summer and the minimal one in winter. The fish communities of four seasons were mainly represented by bombay duck and silver pomfret Pampusargenteus, with the different representative fishes in different communities. The fish community in the northern waters of Zhoushan Island was shown relatively stable in summer in recent 10 years, and the overall biodiversity level was slightly higher than that in the nearby waters.
陆延, 牛威震, 程爱勇, 俞存根, 江新琴. 舟山岛北部海域鱼类群落结构及其生物多样性[J]. 大连海洋大学学报, 2022, 37(6): 1022-1031.
LU Yan, NIU Weizhen, CHENG Aiyong, YU Cungen, JIANG Xinqin. Community structure and biodiversity of fish in the north sea area of Zhoushan Island. Journal of Dalian Ocean University, 2022, 37(6): 1022-1031.
张金勇, 高养春, Amir Shah Ruddin Md Sah, Aileen TAN Shau-Hwai, Norlaila Binti Mohd Zanuri, 李宏俊. 基于高通量测序和形态学鉴定的马来西亚马塘红树林区浮游动物多样性分析[J]. 大连海洋大学学报, 2021, 36(6): 910-919.
2022, Vol. 37 
