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首页> 外文期刊>Russian journal of marine biology >The species composition, morphology, and seasonal distribution of diatoms of the genus Attheya West, 1860 from the Sea of Japan
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The species composition, morphology, and seasonal distribution of diatoms of the genus Attheya West, 1860 from the Sea of Japan

机译：日本海1860年Attheya West属硅藻的物种组成，形态和季节性分布

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摘要

Six species that belong to the diatom genus Attheya were found in the Russian waters of the Sea of Japan. A. cf. flexuosa is a new record for the seas of Russia. A. decora is recorded for the first time for the Sea of Japan. The peculiarities of the morphology of A. decora and A. cf. flexuosa are described and illustrated. The study of the seasonal distribution, abundance, and ecology of Attheya species in the northwestern Sea of Japan showed that A. longicornis and A. ussurensis were the most numerous and widespread species, reaching maximum densities (up to 1.5 x 10(6) and 1.8 x 10(4) cells/liter, respectively) in the spring, summer, and fall. A. cf. flexuosa and A. septentrionalis were rare and were found in low numbers in the winter and early spring. Based on the ultrastructure of the girdle bands, the form and number of chloroplasts, the presence/absence of rimoportula on the valve, and habitat features, we distinguished two groups of species of the genus Attheya from the Sea of Japan. The first group includes psammophytes A. decora, A. arenicola, and A. ussurensis; the second one comprises A. longicornis and A. cf. flexuosa epiphytic on other diatoms, as well as A. septentrionalis, which is found in the under-ice plankton and is able to attach to the underside of ice.
机译：在日本海的俄罗斯水域中发现了硅藻属Attheya属的6种。 A.比较flexuosa是俄罗斯海洋的新纪录。 A. decora首次记录在日本海中。 A. decora和A. cf.的形态特征。描述和说明了flexuosa。对日本西北海地区Attheya物种的季节分布，丰度和生态学的研究表明，A。longicornis和A.ussurensis是数量最多，分布最广的物种，达到最大密度（最大1.5 x 10（6））。春季，夏季和秋季分别为1.8 x 10（4）个细胞/升）。 A.比较flexuosa和A. septentrionalis很少见，在冬季和早春发现的数量很少。基于腰带的超微结构，叶绿体的形式和数量，瓣膜上是否存在缘膜小孔以及栖息地特征，我们将日本海中的Attheya属分为两组。第一组包括雪生假单胞菌（A. decora），沙曲菌（A. arenicola）和ussurensis。第二个包括A. longicornis和A. cf.。在其他硅藻上还有附生的flexuosa，以及在冰底浮游生物中发现的能够附着在冰底的七叶草。

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  • 来源
    《Russian journal of marine biology》 |2016年第4期|357-361|共5页
  • 作者

    Stonik I. V.; Aizdaicher N. A.;

  • 作者单位

    Russian Acad Sci, Zhirmunsky Inst Marine Biol, Far East Branch, Ul Palchevskogo 17, Vladivostok 690041, Russia;

    Russian Acad Sci, Zhirmunsky Inst Marine Biol, Far East Branch, Ul Palchevskogo 17, Vladivostok 690041, Russia;

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  • 正文语种 eng
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  • 关键词

    diatoms; Attheya; Sea of Japan;

    机译：硅藻;Attheya;日本海;

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