| Yu Ying,Zhou Feng,Zhang Wuchang,Wei Chen,Wang Qunshan,Fang Enjun. 2020. Tintinnid community throughout the Bohai Sea during the spring. Acta Oceanologica Sinica, 39(6):65－71 |
| Tintinnid community throughout the Bohai Sea during the spring |
| 春季渤海不同区域砂壳纤毛虫的群落特征 |
| Received:December 29, 2018 |
| DOI：10.1007/s13131-020-1588-y |
| Key words:tintinnid community structure spatial distribution Bohai Sea spring |
| 中文关键词: 砂壳纤毛虫 群落结构 水平分布 渤海 春季 |
| 基金项目:The National Natural Science Foundation of China under contract Nos 41576164, 41806205 and 41576007; the Open Fund of State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography under contract No. SOED1610. |
| Author Name | Affiliation | E-mail | | Yu Ying | Tianjin Fisheries Research Institute, Tianjin 300457, China | | | Zhou Feng | State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China | | | Zhang Wuchang | Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China | wuchangzhang@qdio.ac.cn | | Wei Chen | Tianjin Fisheries Research Institute, Tianjin 300457, China | | | Wang Qunshan | Tianjin Fisheries Research Institute, Tianjin 300457, China | | | Fang Enjun | Tianjin Fisheries Research Institute, Tianjin 300457, China | |
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| Abstract: |
| As one of the important microzooplankton in marine pelagic habitats, tintinnids are classified as neritic genera, oceanic genera and cosmopolitan genera. Until now, we know little about the interaction between neritic and oceanic genera in continental shelves. Low species richness area was found in the mixing area between neritic and oceanic genera in the East China Sea. In this study, we investigated the spatial distribution of tintinnid community throughout the entire Bohai Sea in May (spring) of 2014 to find out: (1) whether the tintinnid assembalges differed in the three major bays bordering this shallow inland sea; (2) whether there was low species richness area in the Bohai Sea. Three genera and 11 species attributed to neritic and cosmopolitan taxa were reported from this region. Tintinnid abundance averaged (81±216) ind./L (0-1 234 ind./L). Tintinnid community differed within the three major bays, with each characterized by different tintinnid taxa. Referring to the average abundance of three bays, tintinnids were most abundant in the Laizhou Bay ((328±445) ind./L), and least abundant in the Liaodong Bay ((34±57) ind./L). A low species richness area occurred in the central Bohai Sea (20-40 m isobaths), in some stations of which no tintinnid was recorded. Our study demonstrates that tintinnid community varied greatly over small spatial scales, and low species richness area was found in the mixing area between neritic and oceanic genera within this inland sea. |
| 中文摘要: |
| 于2014年春季调查了渤海各区域砂壳纤毛虫群落的水平分布特点。共鉴定砂壳纤毛虫3属11种，可划分为近岸种和广布种两大类。砂壳纤毛虫平均丰度为81±216 ind./L（0-1234 ind./L）。渤海三个湾砂壳纤毛虫群落表现出明显的差异。三个湾砂壳纤毛虫种类组成及优势种表现出明显的差异；莱州湾砂壳纤毛虫丰度最高，辽东湾丰度最低。在渤海中部（20-30 m）发现一个种类数的低值区，尤其是渤海最中部，没有记录到砂壳纤毛虫。我们的研究表明砂壳纤毛虫群落在渤海这样一个内海的不同区域表现出较大的差异，这可能与水文条件差异有关。 |
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