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首页> 外文期刊>Journal of nannoplankton research: A publication of the International Nannoplankton Association >Combination coccospheres from the eastern Adriatic coast (Mediterranean Sea)
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Combination coccospheres from the eastern Adriatic coast (Mediterranean Sea)

机译：从东部亚德里亚海沿岸的组合Coccospheres（地中海）

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摘要

Coccolithophores commonly exhibit a heteromorphic life cycle, alternating between morphologically distinct heterococcolith (diploid) and holococcolith (haploid) phases (Young et al., 2005). Transition between the two phases is occasionally observed in field samples in the form of combination coccospheres containing both heterococcoliths and holococcoliths. Such coccospheres have great taxonomic importance as they link previously unrelated morphospecies to a common life cycle (Cros et al., 2000). Here, we present combination coccospheres that were observed in a survey of coccolithophore distribution and diversity along the Krka River estuary (eastern Adriatic Sea). Samples were collected at six stations along a coastal-to-estuarine transect during winter and summer 2013. Water samples from four to six different depths were obtained, using a series of 5L Niskin water samplers. Seawater was filtered in a pre-determined volume onto a polycarbonate filter (0.8 μm pore size), rinsed with bottled fresh water, and oven dried at 50°C. Samples were sputter-coated with gold and studied under a Zeiss Supra35-VP scanning electron microscope.
机译：CoccolithoChores通常表现出异常的生命周期，在形态学上不同的杂菌（二倍体）和Holococcolith（单倍体）相之间交替（杨等，2005）。在含有杂菌和全核细胞的组合CoccoCheres的形式的野外样品中偶尔观察到两相之间的转变。这种CoccoSpheres有很大的分类分类重要性，因为他们将以前与常见的生命周期联系起来的无关的形态学（Cros等，2000）。在这里，我们在沿克尔卡河口（东亚得里亚海）的Coccolthophor分布和多样性调查中观察到的组合Coccospheres。在冬季和2013年夏季，沿着沿着河口横断的六个站收集样品。使用一系列5L Niskin水采样器获得4至6种不同深度的水样。将海水用预定体积过滤到聚碳酸酯过滤器（0.8μm孔径）上，用瓶装淡水冲洗，并在50℃下干燥烘箱。样品溅射涂覆金，并在Zeiss Supra35-VP扫描电子显微镜下研究。

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