生活在阿根廷群岛加林德斯岛（南极洲的海洋）的苔藓硅藻表现出低多样性和明显的分化

IF 0.5 Q4 ECOLOGY

Czech Polar Reports Pub Date : 2022-09-05 DOI:10.5817/cpr2022-1-5

B. Chattová, A. Zotov, I. Parnikoza

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引用次数: 0

摘要

在南极海域阿根廷群岛加林德兹岛，首次对栖息于苔藓中的硅藻区系进行了调查。共鉴定出9属23个硅藻类群。与之前在南设得兰群岛和詹姆斯罗斯岛调查的其他南极地区相比，不同样品的硅藻类群分布表现出相当大的差异，物种丰富度较低。通过对大多数苔藓底物上硅藻群落结构的分析，发现硅藻具有明显的单种优势。在某些样品中，某些硅藻种被分配到特定的苔藓基质中，同时发现它们完全不存在。苔藓类硅藻群落变异的原因应在后续研究中进一步探讨。

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Moss inhabiting diatoms of Galindez Island, Argentine Islands (the maritime Antarctica) exhibit low diversity and pronounced differentiation

The moss-inhabiting diatom flora has been surveyed for the first time on the Galindez Island, Argentine Islands, the maritime Antarctica. Altogether, 23 diatom taxa belonging to 9 genera were identified. Diatom taxa distribution exhibited considerable variability across the samples and lower species richness compared to the communities surveyed in other Antarctic regions studied earlier - South Shetland Islands and James Ross Island. A pronounced single-species dominance was revealed by the analysis of moss-inhabiting diatom communities’ structure at the majority of moss substrates. The allocation of certain diatom species to the particular moss substrates was detected alongside their complete absence in some samples. The reasons for such moss-inhabiting diatom communities’ variability should be further investigated in follow-up studies.

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来源期刊

Czech Polar Reports Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.30

自引率

10.00%

发文量

期刊介绍： Czech Polar Reports is an international, multidisciplinary, peer-reviewed journal. It is issued 2 times a year. The journal is dedicated to provide original research papers for sciences related to the polar regions and other planets with polar analogues. Czech Polar Reports covers the disciplines listed below. polar paleontology, geology, geochemistry, geomorphology, glaciology, climatology, hydrology, pedology, biochemistry, ecology, environmental science, microbiology, plant and animal biology including marine biology.