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http://dx.doi.org/10.13000/JFMSE.2014.26.5.1037

Summer Marine Algal Communities at Dokdo, Korea  

Choi, Chang-Geun (Pukyong National University)
Kwon, Chun-Jung (Pukyong National University)
Kim, Mi-Kyong (Yeungnam University)
Publication Information
Journal of Fisheries and Marine Sciences Education / v.26, no.5, 2014 , pp. 1037-1043 More about this Journal
Abstract
We extensively observed macroalgal assemblages of species composition and biomass of summer benthic marine algae at Dokdo in the East sea of Korea. A total of 102 species (12 Chlorophyta, 36 Phaeophyta, and 54 Rhodophyta) were identified in quadrats and were analysed qualitatively to define the variation patterns. Biomass in dry weight according to various depths ranged between 146.0 to 764.2 g m-2 at study sites. Mean biomass at the investigated sites was greater in the 10m depth range than in the 5 and 15m depths at Dongdo. The flora could be classified into six functional groups: coarsely branched form (51.0%), filamentous form (17.7%), thick leather form (15.7%), sheet form (5.9%), jointed calcareous form (4.9%) and crustose form (4.9%). The R/P, C/P and (R+C)/P value were 1.67, 0.50 and 2.17, respectively. The number of marine algae species and the biomass in Dokdo area were markedly reduced as compared with those in the previous studies. This result suggests possible future changes in the algal vegetation, considering coastal marine environment of this area.
Keywords
East sea; Dokdo; Marine algae; Species composition; Biomass; Functional group;
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Times Cited By KSCI : 6  (Citation Analysis)
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