Distribution on freshwater phytoplankton in North Korea

Lee, Jin Hwan and Lee, Eun Ho and Ács, Éva and Lee, In Kyu (1997) Distribution on freshwater phytoplankton in North Korea. Korean Journal of Limnology, 30. pp. 405-422. ISSN 1225-1437

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Abstract

In order to reveal the distribution on freshwater phytoplankton of North Korea, the present studí was carried out at 8 sites of inland and lake waters from 16 May to 31 May 1991. A total of 162 taxa of phytoplankton communities, representing 11 taxa 6 genera of cyanophytes, 2 taxa 2 genera of dinoflagellates, 4 taxa 3 genera of euglenoids, 1 species 1 genera of xanthophyte, 30 taxa 19 genera of chlorophytes, and 114 taxa 37 genera of diatoms, were identified. Chlorophytes were predominant in the rice field of Pyungyang, Chungchon River and Sanju Fall, cyanophytes and brackish diatoms were dominated in salt pan pool of Nampo. Sodongjung and Samil Lake were poor in phytoplankton flora but maintained a good water quality, while Mureung Fall of Mt. Myohyang was rich in biota, and suggested a poor water quality based on an ecological habit in species occurence. Sijung Lake was abundant in brackish phytoplankton of information between North and South Korea, no information on freshwater algal flora of North Korea was available for 50 years. We expect that this investigation will help us contribute to the understanding of a phytoplankton distribution and ecology of North Korea in part.

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