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Algae > Volume 1(1); 1986 > Article
Algae 1986;1(1): 169-183.
Algal Communities of Sinsudo, Southern Coast and Woldo, Western Coast of Korea
Hyung-Geun Kim, Chul-Hyun Sohn, Jae-Won Kang
Department of Marine Biology and Department of Aquaculture, National Fisheries University of Pusan
In order to compare marine algal flora and communities in Sinsudo, southern coast and Woldo, western coast of Korea, the algae flora of Sinsudo was composed of 121 species and that of Woldo 62 species, respectively. The former consisted of 12 species of Chlorophyta, 26 species of Phaeophyta and 83 species of Rhodophyta, whereas the latter, 8 species of Chlorophyta, 17 species of Phaeophyta and 37 species of Rhodophyta. The most dominant species in both localities throughout th e seasons were Sargassum thunbergii, Ulva pertusa, Chondria crassicaulis and coralline algae. Species diversity calculated by the Shannon's equation showed that the value was found to be greater in Sinsudo (4.15) than in Woldo (3.75). Intertidal algal zonation of Sinsudo was clearly noticed as compared to that of Woldo. Comparing the thallus of Myagropsis myagroides in both localities, it was 1.3 times longer in Woldo than in Sinsudo on an average. However, the mean dry weight of the alga in Sinsudo was 1.8 times higher than that of Woldo. The mean of dry weight per unit length (g/cm) of the alga in Sinsudo was also 3.7 times higher than that of Woldo. It was assumed that the unstable environmental features of Woldo limited the distribution and the number species, and also reduced the diversity index.
Key words: Marine algal community, Myagropsis myagroides, Sinsodo and Woldo in Korea

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