Journal of Species Research

  • 제12권4호
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  • Pages.313-320
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  • 2023
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  • 2234-7909(pISSN)
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  • 2713-8615(eISSN)
국립생물자원관 (The National Institute of Biological Resources)
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Description of an unrecorded diatom Fragilaria saxoplanctonica Lange-Bertalot & Ulrich (Bacillariophyceae) from Paldang Reservoir in Korea

  • Ha-Eun Lee (Department of Life Science, Sangmyung University) ;
  • Taehee Kim (Department of Life Science, Sangmyung University) ;
  • Sang Deuk Lee (Protist Research Team, Microbial Research Department, Nakdonggang National Institute of Biological Resources (NNIBR)) ;
  • Jang-Seu Ki (Department of Life Science, Sangmyung University)
  • 투고 : 2023.05.31
  • 심사 : 2023.08.01
  • 발행 : 2023.11.30
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초록

Diatoms are unicellular eukaryotic microalgae, and they are highly diversified in aquatic environments. We describe an unrecorded diatom species Fragilaria saxoplanctonica Lange-Bertalot & Ulrich (Bacillariophyceae) collected from Paldang Reservoir, Korea, on 4 April 2022. The valve was needle shaped and narrowly rectangular, its ends were rounded, and no spines were found on the outline of their valves. The valve was 67.2-70.2㎛ in length and 1.4-2.9㎛ in width. The ratio of width-to-length was 1 : 23.2-50.1. The pattern of striation was alternate or opposite, and the number of striae in 10㎛ was 24-26. Molecular comparisons of the 18S rDNA and rbcL sequences showed that it belonged to the genus Fragilaria. These morphological and phylogenetic results confirmed that our species was F. saxoplanctonica, and it was the first record in Korea.

키워드

과제정보

This work was supported by grants from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment(MOE) of the Republic of Korea (NIBR202203204 and NIBR202313101), and by Korea Environment Industry & Technology Institute (KEITI) through Aquatic Ecosystem Conservation Research Program funded by Korea Ministry of Environment (MOE) (2022003050002).

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