Temporal Variations in Seaweed Biomass and Coverage in Korean Coasts: Ongdo, Chungnam

Wan, Xiao Qin; Park, Hyang-Ha; Yoo, Hyun-Il; Choi, Han‐Gil

doi:10.5657/fas.2009.12.2.130

Cited by 8 publications

(9 citation statements)

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“…Along the intertidal rocky shores of the Yellow Sea, seaweed biomass ranged from 22.00 g dry wt/m² to 295.70 g dry wt/m² in the vicinity of the Yonggwang Nuclear Power Plant (Kim and Huh, 1998) and fell below 100 g dry wt/m² along the Muchangpo and Maryangri coasts (Kim and Lee, 1985;Yoo and Kim, 1990). On offshore islands of the Yellow Sea, average annual biomasses of intertidal seaweed communities were 39.52 g dry wt/m² at Ongdo, 173.43 g dry wt/m² at Sapsido, and 97.46 g dry wt/m² at Jusamdo (Yoon and Boo, 1991;Wan et al, 2009). In the present study, seaweed biomasses in the intertidal zones of Nachido and Odo Islands were 84.32 g dry wt/m² and 107.50 g dry wt/m², respectively, which were greater than values observed at Ongdo, similar to those at Jusamdo, but less than those at Sapsido.…”

Section: Discussionmentioning

confidence: 99%

“…3) than along those of the East and South Seas, Korea . Lower seaweed biomass along the coastal or offshore rocky shores of the Yellow Sea may have resulted from seawater turbidity caused by sediment suspension (Kim et al, 1995) and differences in dominant species Wan et al, 2009). Along the rocky intertidal zone of the Yellow Sea, Sargassum thunbergii is well established as the representative or key species (Yoo and Kim, 1990;Lee et al, 1997;Lee et al, 2000;.…”

Section: Discussionmentioning

confidence: 99%

“…Along the rocky shores of island areas in the Yellow Sea, Korea, the dominant species were primarily brown algae, such as Laminaria japonica (at Bagroungdo;Beak et al, 2007) and Sargassum thunbergii (at Sapsido, Woejodo, and Jusamdo; Yoon and Boo, 1991;, followed by red algae, such as Gloiopeltis furcata (at Deokjeokdo; Lee et al, 2007b) and Gelidium amansii (at Ongdo; Wan et al, 2009). In our survey, S. thunbergii (brown alga) and G. amansii (red alga) were the dominant species, together accounting for 43.47% of total biomass at Nachido and 51.27% at Odo.…”

Section: Discussionmentioning

confidence: 99%

“…Few studies of subtidal seaweed assemblages have been conducted due to sampling difficulties and the high costs of scuba equipment and boat (Baek et al, 2007;Ko et al, 2008). In particular, our knowledge of seaweed community structure in both the intertidal and subtidal zones of offshore islands located in the Yellow Sea, Korea, is lacking, with a few recent exceptions (Baek et al, 2007;Wan et al, 2009). Therefore, the goals of the present study were to examine seasonal biomass variation of rocky-shore seaweeds and their composition in terms of both taxa and functional-form groups along the vertical shore gradients of Nachido and Odo Islands, the Yellow Sea, Korea.…”

Section: Introductionmentioning

confidence: 99%

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Seasonal Variability of Seaweed Biomass along the Vertical Shore Gradients of Nachido and Odo Islands, the Yellow Sea, Korea

Kim¹,

Kim²,

Choi³

2010

Fisheries and aquatic sciences

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Seasonal variation in seaweed biomass was examined along vertical shore gradients on the rocky shores of Nachido and Odo Islands, the Yellow Sea, Korea, from August 2007 to April 2008. The average annual biomass of seaweed was 404.07 g wet wt/m², with seasonal variation from 232.61 g in the spring to 754.90 g wet wt/m² in the summer at Nachido Island. At Odo Island, average biomass was 270.82 g wet wt/m² and ranged from 48.35 g in the winter to 451.66 g wet wt/m² in the spring. Seaweed biomass exhibited an even distribution across the shore gradient from the high intertidal zone to -5-m depth at Nachido Island, whereas seaweed biomass was concentrated from the mid intertidal zone to -1-m depth in the subtidal zone at Odo Island. Sargassum thunbergii was the most dominant species, occupying 28.24% (114.12 g wet wt/m²) and 36.57% (99.05 g wet wt/m²) of total biomass at Nachido and Odo Islands, respectively. Subdominant seaweed species was Gelidium amansii, comprising 15.23% (61.52 g wet wt/m²) and 14.70% (39.82 g wet wt/m²) of total biomass at Nachido and Odo Islands, respectively. Dominant functional group was the coarsely branched-form group, which grows under moderate environmental conditions and comprised 93.34% (377.15 g wet wt/m²) and 66.96% (181.35-g wet wt/m²) of total biomass at Nachido and Odo Islands, respectively. Percentage biomass of sheet-form seaweeds growing at relatively disturbed and polluted areas was approximately 20.83% (56.40 g wet wt/m²) of total biomass along the Odo rocky shore. Based on the biomass and functional-form composition of seaweeds, we concluded that Nachido Island provides better environmental conditions than does Odo Island. In addition, the vertical distribution and dominant species of seaweeds on the two islands were very similar, but the functional-form composition of seaweeds at Nachido Island differed slightly from that at Odo Island.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Seasonal Variability of Seaweed Biomass along the Vertical Shore Gradients of Nachido and Odo Islands, the Yellow Sea, Korea

Kim¹,

Kim²,

Choi³

2010

Fisheries and aquatic sciences

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“…, , , , (Lindstrom, 2009;Whitaker et al, 2010). (Wan et al, 2009;Ja niak and Whitlatch, 2012;Satheesh and Wesley, 2012). , (bio filter) , (biological indicator) (Worm et al, 2000;Wells et al, 2007;Scherner et al, 2013).…”

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confidence: 99%

Seasonal Variations in the Macroalgal Flora and Community Structure in Hallyeohaesang National Park on the South Coast of Korea

Oh¹,

Ahn²,

Kim³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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Seasonal variability in the marine seaweed community structure was examined in the intertidal zones at nine study sites in Hallyeohaesang National Park, on the southern coast of Korea from March to October 2014. A total of 145 seaweeds were indentified, comprising 15 green, 41 brown and 89 red algae. Coarsely branched seaweeds were the dominant functional group, comprising 58.95% in species number, whereas filamentous, sheet, thick leathery, crustose and jointed calcareous forms comprised 2.63-17.72% each. The seaweed biomass averaged 358.00 g dry wt/ m 2 and it was maximal at Somaemuldo (847.64 g dry wt/m 2 ) and minimal at Gamam (56.51 g dry wt/m 2 ). Based on biomass, the dominant and subdominant seaweeds were Ulva australis at Gamam, Sargassum thunbergii at Sangju, Ulva australis and S.fulvellum at Neukdo, S.horneri at Dala-Bijindo-Somaemuldo, S. thunbergii at Dapo, and Corallina pilulifera at Songdo. Community indices were as follows: dominance index (DI), 0.43-0.71; richness index (R), 8.26-16.50; evenness index (J'), 0.36-0.54; and diversity index (H'), 1.57-2.19. In conclusion, we found that both biomass and the community structure of seaweeds in Hallyeohaesang National Park were similar to those in other studies of the Southern Sea along the Korean peninsula, and that Hallyeohaesang National Park is a relatively favorable habitat for seaweeds. Future studies should examine the changes in seaweed composition and biomass as they relate to climate change and environmental pollution.Key words: Biomass, Community structure, Seaweed, Hallyeohaesang National Park This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial Licens (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Macroalgal Community Structure on the Subtidal of Southern Six Islands, Korea

Heo¹,

Yoo²,

Park³

et al. 2017

Korean J. Environ. Biol.

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Temporal Variations in Seaweed Biomass and Coverage in Korean Coasts: Ongdo, Chungnam

Cited by 8 publications

References 28 publications

Seasonal Variability of Seaweed Biomass along the Vertical Shore Gradients of Nachido and Odo Islands, the Yellow Sea, Korea

Seasonal Variability of Seaweed Biomass along the Vertical Shore Gradients of Nachido and Odo Islands, the Yellow Sea, Korea

Seasonal Variations in the Macroalgal Flora and Community Structure in Hallyeohaesang National Park on the South Coast of Korea

Macroalgal Community Structure on the Subtidal of Southern Six Islands, Korea

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