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首页> 外文期刊>Harmful Algae >Seasonal dynamics and spatial distribution of epiphytic dinoflagellates in Peter the Great Bay (Sea of Japan) with special emphasis on Ostreopsis species
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Seasonal dynamics and spatial distribution of epiphytic dinoflagellates in Peter the Great Bay (Sea of Japan) with special emphasis on Ostreopsis species

机译：彼得大帝海湾（日本海）附生鞭毛藻的季节性动态和空间分布，特别着重于骨Ost种类

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摘要

Studies of epiphytic dinoflagellates in Peter the Great Bay, Sea of Japan in 2008-2011 revealed the presence of 13 species. Five of the species are known as potentially toxic: Amphidinium carterae, A. operculatum, Ostreopsis cf. ovata, O. cf. siamensis and Prorocentrum lima. The maximum species richness and abundance of epiphytic dinoflagellates were observed in autumn (from September to October). Ostreopsis spp. were most widely distributed and predominated, amounting to 99% of the total density of dinoflagellates. Multi-year seasonal dynamics of Ostreopsis spp. in Peter the Great Bay showed that these cells appear as epiphyton in August after maximum warming of surface waters (22-24 ℃) and disappear in early November, when the water temperature decreases below 7 ℃. Ostreopsis spp. proliferation occurred in September, when the water temperature was 17.2-21.0 ℃. The highest densities of Ostreopsis spp. were recorded on September 9, 2010 on the rhodophyte Neorhodomela aculeata -230 × 10~3 cells g~(-1) DW or 52 × 10~3 cells g~(-1) FW. The spatial distribution of epiphytic dinoflagellates was investigated in the near-shore areas of Peter the Great Bay during the second half of September 2010 to evaluate the role of hydrodynamic conditions. Epiphytic dinoflagellates were not found in sheltered sites having weak mixing hydrodynamics. However, the abundances of Ostreopsis spp. were significantly higher at sites having moderate turbulence compared to biotopes experiencing strong wave action. Densities of Ostreopsis spp. were not significantly different on macrophytes with branched thallus of all taxonomic divisions. However, the average cell densities of Ostreopsis spp. on green algae with branched thallus were significantly higher than on green algae having laminar thallus.
机译：2008-2011年在日本海彼得大帝湾的附生鞭毛藻的研究表明，存在13种。其中五个物种被认为具有潜在毒性：软骨两栖杆菌，盖草，Ostreopsis参考。瓦塔，O。cf. siamensis和Prorocentrum利马。秋季（9月至10月）观察到附生的鞭毛藻的最大物种丰富度和丰度。骨腐菌分布最广泛，占主导地位，占鞭毛藻总密度的99％。 Ostreopsis spp的多年季节动态。彼得大帝湾的研究表明，这些细胞在表层水达到最大温度（22-24℃）后于八月以附生形式出现，并在水温降至7℃以下时在11月初消失。骨腐菌水温为17.2-21.0℃时，9月发生增殖。骨质疏松菌的最高密度。于2010年9月9日记录在红假藻Neorhodomela aculeata -230×10〜3细胞g〜（-1）DW或52×10〜3细胞g〜（-1）FW上。 2010年9月下半月，在彼得大湾近岸地区对附生鞭毛藻的空间分布进行了研究，以评估水动力条件的作用。在混合水动力较弱的掩蔽处未发现附生鞭毛藻。然而，丰富的骨质疏松症。与具有强烈波动作用的生物群落相比，在具有中等湍流的部位显着更高。骨质疏松菌的密度。在所有分类学分支具有分支all的大型植物上没有显着差异。然而，骨质疏松菌的平均细胞密度。带分支all的绿藻上的藻类明显高于带层状all的绿藻。

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  • 来源
    《Harmful Algae》 |2014年第2期|1-10|共10页
  • 作者

    Marina S. Selina; Tatiana V. Morozova; Dmitry I. Vyshkvartsev; Tatiana Yu. Orlova;

  • 作者单位

    A.V. Zhirmunsky Institute of Marine Biology of the Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevskogo st., Vladivostok 690059, Russia,Far Eastern Federal University, 8 Sukhanova st., Vladivostok, Russia;

    A.V. Zhirmunsky Institute of Marine Biology of the Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevskogo st., Vladivostok 690059, Russia;

    A.V. Zhirmunsky Institute of Marine Biology of the Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevskogo st., Vladivostok 690059, Russia;

    A.V. Zhirmunsky Institute of Marine Biology of the Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevskogo st., Vladivostok 690059, Russia;

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  • 正文语种 eng
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  • 关键词

    Epiphytic dinoflagellates; Ostreopsis; Sea of Japan; Toxic microalgae;

    机译：附生鞭毛藻;骨质疏松症;日本海有毒微藻;

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