夏季北极王湾海域微小型浮游动物群落特征

邓邦平; 张昊飞; 曹叔楠; 范海梅; 许彩燕; 张正龙; 蒋晓山; 周红宏

doi:10.3969/j.issn.0253-4193.2019.02.010

夏季北极王湾海域微小型浮游动物群落特征

doi: 10.3969/j.issn.0253-4193.2019.02.010

1.
国家海洋局东海环境监测中心, 上海 200137;国家海洋局海洋赤潮灾害立体监测技术与应用重点实验室, 上海 200137
2.
中国极地研究中心, 上海 200136

基金项目: 国家重点研发计划"海洋环境安全保障"重点专项（2017YFC1404500）。

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出版历程
- 收稿日期: 2018-04-17
- 修回日期: 2018-07-17

Communities characteristics of nano- and microzooplankton in the Kongsfjorden, Arctic in summer

1.
East China Sea Environmental Monitoring Center, State Oceanic Administration, Shanghai 200137, China;Key Laboratory of Integrated Monitoring and Applied Technology for Marine Harmful Algal Blooms, State Oceanic Administration, Shanghai 200137, China
2.
Polar Research Institute of China, Shanghai 200136, China

摘要

摘要: 根据2017年8月北极斯瓦尔巴德地区王湾海域微小型浮游动物调查资料，研究了该区域微小型浮游动物的种类组成及群落特征。结果表明：王湾海域在水深10~50 m内存在一个明显温跃层，该温跃层内水温高于其他水层；不同水层盐度变化表现为从表层到底层逐渐增高的趋势，70 m以深海域的盐度基本保持稳定；微小型浮游动物包括无壳纤毛虫（Aloricate Ciliates）、砂壳纤毛虫（Tintinnida Ciliates）和甲壳类无节幼体（Crustacea Nauplii）3个类别，其中砂壳纤毛虫10种。甲壳类无节幼体和无壳纤毛虫均为微小型浮游动物的优势类群，砂壳纤毛虫中的钝笛杯虫（Ptychocylis obtusa）、挪威棘口虫（Acanthostomella norvegica）、网纹虫（Favella sp.）、百乐拟铃虫（Tintinnopsis beroidea）和白领细壳虫（Stenosemella nivalis）均为优势种类；微小型浮游动物主要集中分布在水体的中上层水域10~30 m，该海域温跃层内微小型浮游动物种类和丰度最为丰富，30 m以浅海域微小型浮游动物丰度约占整个水体微小型浮游动物丰度的54.8%，而100 m以浅海域这一比例高达93%以上，其中10 m层为最多（均值为343.3 ind./L），底层为最少（均值为50.9 ind./L）；整个调查区域微小型浮游动物的多样性指数均大于2.5，丰富度指数均大于1.2，均匀度均大于0.7，不同站位多样性指数、均匀度指数和丰富度指数波动范围不大，站位间差异不大。
- 北极黄河站 /
- 微小型浮游动物 /
- 群落特征 /
- 丰度
Abstract: According to the survied data of nano- and microzooplankton in the Kongsfjorden area of Svalbard in August 2017, the species composition and community characteristics of nano- and microzooplankton in the region were analyzed. The results show that there is a clear thermodynamic layer in the Kongsfjorden area in the water depth of 10-50 m, which is higher than that of other water layers. The salinity gradually increases from the surface to the bottom, and the salinity of 70 m is basically stable in the deep sea. Nano- and microzooplankton includes three categories:Aloricate Ciliates, Tintinnida Ciliates and Crustacea Nauplii. Tintinnida Ciliates include 10 species. Ptychocylis obtuse, Acanthostomella norvegica, Favella sp., Tintinnopsis beroidea and Stenosemella nivalis are dominant species. Nano- and microzooplankton mainly distributes in the upper water. Species and abundance are rich in 10-30 m water layer. Nano- and microzooplankton abundance accounts for about 54.8% in upper 30 m water layers. And it's more than 93% in the above 100 m water layers. The most of abundance of nano- and microzooplankton (the mean is 343.3 ind./L) is in the 10 m layer, and the lowest (the mean is 50.9 ind./L) is in the bottom. The biodiversity is generally preferable and the differences between different sites are slight.
- Arctic Yellow River Station /
- nano- and microzooplankton /
- community characteristics /
- abundance

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