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http://dx.doi.org/10.11626/KJEB.2021.39.1.046

Comparison between the biomass and habitat suitability index(HSI) of marine forest forming seaweeds  

Hwang, Sung Il (Underwater Ecology Institute)
Shin, Bong Kyun (Underwater Ecology Institute)
Kwak, Yong Sung (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University)
Choi, Han Gil (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University)
Publication Information
Korean Journal of Environmental Biology / v.39, no.1, 2021 , pp. 46-54 More about this Journal
Abstract
The seasonal and vertical biomass of marine forest seaweeds were examined to select a suitable species at 12 sites of the South Sea in Korea between 2018 and 2019. The Habitat Suitability Index (HSI) was also calculated in terms of biomass for six species (three kelp and three Sargassum species). A total of 16 marine forest-forming species including four kelp and 12 Sargassum species were observed at the 12 sites. The average annual seaweed biomass by season and depth ranged from 843.73-2,925.85 g wet wt. m-2 at the eastern South Sea and from 343.87-4,580.10 g wet wt. m-2 at the western South Sea. In the kelp species, the Ecklonia cava biomass was predominant, followed by E. stolonifera. The macroalgal species with the greatest biomass was Sargassum macrocarpum, followed by S. horneri. The HSI values of E. stolonifera were between 0.76-1.0 at eight sites and those of E. cava were 0.58-0.92 at four sites, indicating that E. stolonifera was more suitable than E. cava. In the HSI values of the Sargassum species, S. horneri ranged between 0.84-1.0 at all 12 sites and the S. macrocarpum values were between 0.68-0.99. The results indicate that E. cava and S. macrocarpum were the most suitable for the marine forest construction in terms of the seaweed biomass, and E. stolonifera and S. horneri in terms of the HSI values. Thus, we suggest that seaweed biomass and HSI values should be considered when choosing suitable forest-forming species.
Keywords
biomass; habitat suitability index; kelp; Sargassum; marine forest;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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