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首页> 外文期刊>Oceanologia >First records of two planktonic Indo-Pacific diatoms: Chaetoceros bacteriastroides and C. pseudosymmetricus in the Adriatic Sea
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First records of two planktonic Indo-Pacific diatoms: Chaetoceros bacteriastroides and C. pseudosymmetricus in the Adriatic Sea

机译：亚得里亚海的两个浮游印度洋-太平洋硅藻的原始记录：Chaetocerosbacteriumstrotroides和C. pseudosymmetricus

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Summary Unusual occurrence of planktonic diatom species, Chaetoceros bacteriastroides and Chaetoceros pseudosymmetricus , was noticed in three different marine ecosystems of Adriatic Sea: the Krka Estuary and Tela??ica Bay in the Central Adriatic, and in southern Adriatic offshore. From 2010 to 2015, these two Chaetoceros species were recorded in heterogeneous environmental conditions and in a very low abundances. Both species are regarded as very rare in world oceans, and consequently knowledge of their distribution and ecology is rather poor. Primarily described from tropical waters and showing Indo-Pacific distribution, C . bacteriastroides and C . pseudosymmetricus findings in Adriatic represent the northernmost records in world's oceans and seas. For C. pseudosymmetricus this is also the first occurrence in European seas. Areal expansion and introduction of new phytoplankton species in the Adriatic Sea might be related to different circulation regimes in the Ionian Sea and the concurrent rise in sea temperature in the Mediterranean in the last decade. Recent investigations have shown that entering currents, of either Atlantic/Western Mediterranean or Eastern Mediterranean origin, modify the composition of the plankton community in the Adriatic by bringing different newcomers.
机译：小结在亚得里亚海的三个不同海洋生态系统（亚得里亚海中部的Krka河口和Telaica湾）以及亚得里亚海南部的近海，都发现了浮游硅藻物种Chaetocerosbacteriumstroides和Chaetoceros pseudosymmetricus的异常出现。从2010年到2015年，这两个Chaetoceros物种在异质环境条件下记录的丰度非常低。这两种物种在世界海洋中都被认为是非常稀有的，因此对其分布和生态学的知识还很贫乏。主要从热带水域进行描述，并显示出印度太平洋分布C。细菌和C。亚得里亚海的假对称发现代表了世界海洋中最北端的记录。对于假对称梭状芽胞杆菌，这也是在欧洲海洋中的首次出现。在亚得里亚海中，新的浮游植物物种的大规模扩张和引进可能与爱奥尼亚海中不同的环流方式以及过去十年中地中海海温的同时上升有关。最近的调查表明，来自大西洋/西地中海或东地中海起源的洋流通过带来不同的新移民来改变亚得里亚海的浮游生物群落的组成。

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