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首页> 外文期刊>Polar biology >Phytoplankton succession during a massive coastal diatom bloom at Marian Cove, King George Island, Antarctica
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Phytoplankton succession during a massive coastal diatom bloom at Marian Cove, King George Island, Antarctica

机译：在巨型沿海硅藻土盛开的植物植物春天在Marian Cove，国王乔治岛，南极洲

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摘要

To understand the community structure and the functional dynamics of phytoplankton over the long term, it is essential to identify rapid changes in the properties of Antarctic phytoplankton communities in relation to ongoing changes in environmental factors due to climate change. This study investigated short-term variability in the phytoplankton biomass and its composition over the summer of 2010 when the sea surface temperature was lowest and chlorophyll-a (chl-a) concentrations were the highest, relative to a 15-year monitoring period (1996-2011). We assessed the intraseasonal variability of the phytoplankton assemblage structure and its synchrony with changes in the main environmental variables in Marian Cove of King George Island, Antarctica. Chlorophyll-a concentrations in summer 2010 (January-February) were significantly higher (up to 24 mu g L-1) when the high phytoplankton carbon biomass (603 mu g C L-1) was dominated by the sympagic diatom Navicula glaciei, the benthic diatoms Licmophora belgicae and Fragilaria striatula, the planktonic diatoms Thalassiosira antarctica and Thalassiosira spp. (cell size 10 mu m), and the Haptophyceae nanoplanktonic cells of Phaeocystis antarctica. Intraseasonal processes such as easterly winds direction on Maxwell Bay appeared to be the main factors affecting the advection of cold, nutrient-rich waters, and water stability that enhanced phytoplankton growth in Marian Cove.
机译：要了解长期植物结构和浮游植物的功能动态，必须识别南极浮游植物社区在环境因素持续变化中的快速变化，由于气候变化。本研究在2010年夏季，当海表面温度最低，叶绿素-A（CHL-A）浓度最高，相对于15年监测期（1996年）（1996年-2011）。我们评估了浮游植物组合结构的初始变异性和其同步，与南极洲国王岛玛丽岛海湾的主要环境变量的变化。叶绿素 - 2010年夏季（1月至2月）的浓度显着高（603亩碳生物量（603μgc1-1）由调调硅藻族甘蔗队主导Benthic硅藻氏士甲基比利卡拉和Fragilaria striatula，浮游硅藻土塔拉西拉南极和丘萨斯期拉SPP。 （细胞尺寸<10μm）和Phaeocystis南极的Haptophyceae纳米植物细胞。麦克斯韦湾的东风方向等陷入困境的过程似乎是影响冷，营养丰富的水平的平流的主要因素，以及增强玛丽安海湾的浮游植物生长的水稳定性。

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  • 来源
    《Polar biology》 |2021年第10期|1993-2010|共18页
  • 作者

    Jeon Misa; Iriarte Jose Luis; Yang Eun Jin; Kang Sung-Ho; Lee Youngju; Joo Hyoung Min; Ahn In-Young; Park Jisoo; Min Gi-Sik; Park Sang-Jong;

  • 作者单位

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Univ Austral Chile Inst Acuicultura Res Ctr FONDAP IDEAL Puerto Montt Punta Arena Chile;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Korea Polar Res Inst Div Polar Ocean Sci 26 Songdo Dong Incheon 21990 South Korea;

    Inha Univ Dept Biol Sci & Bioengn Incheon 22212 South Korea;

    Korea Polar Res Inst Div Polar Climate Sci 26 Songdo Dong Incheon 21990 South Korea;

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  • 正文语种 eng
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  • 关键词

    Phytoplankton blooms; Marian Cove; Sympagic diatom; Benthic diatom; 2010 summer bloom;

    机译：Phytoplankton Blooms;Marian Cove;调调硅藻;Benthic Diadom;2010年夏季绽放;

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