伊拉克南部阿拉布河一种新冠硅藻(硅藻科)

IF 1.4 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Cryptogamie Algologie Pub Date : 2022-02-02 DOI:10.5252/cryptogamie-algologie2022v43a2

Adil Y. AL-HANDAL, Maitham A. Al-Shaheen, Rehab N. AL-SAEDY, A. Wulff

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引用次数: 0

摘要

摘要/ ABSTRACT摘要:synnedropsis abuflosensis sp. 11 .是在亚热带咸淡水栖息地记录的第三种，与极地分布相反。本种与本属其他种的区别在于，在瓣的两端的顶端狭缝区有不同数量的狭缝(即，末端4个有边缘狭缝，末端5个没有边缘狭缝)，一个顶端导向的边缘狭缝和3-4个无孔的环形带。它的栖息地与所有已知的Synedropsis Hasle, Medlin和Syvertsen物种不同，因为它要么是底栖的，要么是附生的，而不是浮游的或与海冰有关的。该新物种在电导率为7.1µS cm-1(盐度为3.3 psu)、温度为33°C的水中被发现。根据光镜和扫描电镜观察描述了新种的形态特征。本文对稻穗草(S. abuflosensis sp. 11 .)与形态相似的种进行了比较。

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Synedropsis abuflosensis sp. nov., a New Araphid Diatom (Bacillariophyceae) from the Shatt Al-Arab River, Southern Iraq

ABSTRACT Synedropsis abuflosensis sp. nov. is the third species of the genus recorded from a sub-tropical brackish water habitat as opposed to a polar distribution. This species is differentiated from others in the genus by having a different number of slits in the apical slit field at opposite ends of the valve (i.e., 4 at the end possessing a rimoportula versus 5 at the end lacking a rimoportula), an apically oriented rimoportula and 3-4 non-porous cingular bands. Its habitat is different than that of all known Synedropsis Hasle, Medlin & Syvertsen species as it is either benthic or epiphytic in algal mats rather than planktonic or associated with sea ice. The new species was found in waters with a conductivity of 7.1 µS cm-1 (salinity 3.3 psu) and a temperature of 33 °C. Morphological characters of the new species are described based on light and scanning electron microscopy observations. A comparison of S. abuflosensis sp. nov. with morphologically similar species is provided.

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来源期刊

Cryptogamie Algologie 生物-海洋与淡水生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Cryptogamie is a fast-track and peer-reviewed journal of international scope publishing in English only. It accepts original papers and review articles on the taxonomy, biology and ecology of all cryptogams. An issue of Cryptogamie may be devoted to a single topic, under the responsibility of guest editor(s). All articles published in Cryptogamie are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication. Cryptogamie, Algologie accepts articles on systematics as well as ecology and evolution of any kind of algae (including Cyanobacteria).