한국수산과학회

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  • pISSN : 2234-8395
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  • eISSN : 2234-1757

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kfas, vol. 51, no. 5, pp.571-578, October, 2018
DOI. https://doi.org/10.5657/KFAS.2018.0571

Seasonal Variation in Seaweed Community Structure in the Subtidal
Zone of the Southern Part of the East Coast of Korea
동해 남부 해역 조하대 해조류 군집구조의 계절적 변화

한수진·황용훈·손민호·최한길1·장재길*
해양생태기술연구소, 1원광대학교 생명과학부/기초자연과학연구소

Seasonal variability in algal community structure of the subtidal zone was examined at four study sites on the southeastern
coast of Korea from February to November 2016. A total of 81 species of algae (8 green, 12 brown, and 61
red) were indentified. During the study period, the greatest number of species was observed at Sinamri (57 species)
followed by Daesongri (50 species), Dongbaekri (47 species) and Gangyangri (42 species). Of the six functional
seaweed forms, the coarsely-branched form was the most dominant, accounting for about 43% of the total species at
Daesongri. The annual average biomass in wet weight varied from 700.59 g/m2 at Sinamri to 1,712.45 g/m2 at Daesongri.
The parameters of seaweed community structures were as follows: dominance index (DI), 0.30-0.54; richness
index (R), 4.92-7.05; evenness index (J’), 0.54-0.72; and diversity index (H’), 2.05-2.91.

Keyword : Key words: Algal flora, Biomass, Community, Diversity, Functional form

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