Community Structure of Subtitdal Marine Algae at Uljin on theEast Coast of Korea

Choi, Chang-Geun; Kwak, Seok-Nam; Sohn, Chul-Hyun

doi:10.4490/algae.2006.21.4.463

Cited by 34 publications

(15 citation statements)

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“…low Sea respectively, are rare on the coast of Jeju Island. S. latiuscula is distributed in the temperate to polar region (Guiry and Guiry 2012) but it does not form communities and is difficult to find on the coast of Jeju Island (Lee 1974, Choi et al 2006. No data are available regarding the existence of D. ligulata on the coast of Jeju Island.…”

Section: Resultsmentioning

confidence: 99%

Seasonal variation in depth-stratified macroalgal assemblage patterns on Marado, Jeju Island, Korea

Kang¹,

Kim²

2012

ALGAE

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Marado is a small rocky island located off the south coast of Jeju Island and acts as the first gateway of the Kuroshio Current to Korean coastal ecosystems. This island is one of the most unpolluted and well preserved sea areas around the Jeju coast. We extensively observed macroalgal assemblages of species and functional forms in the intertidal and subtidal zones through four seasons on Marado, Jeju Island, Korea to demonstrate the seasonality of vertical distribution patterns and biomass. A total of 144 species (14 Chlorophyta, 40 Phaeophyta, and 90 Rhodophyta) were identified in quadrats and were analyzed seasonally and vertically to define the variation patterns. The annual mean biomass of macroalgae was 2,932.3 g wet wt m -2 and the highest value was recorded in spring and the lowest was in winter. The annual dominant species by biomass was Ecklonia cava followed by Sargassum fusiforme, S. macrocarpum, Amphiroa galapagensis, Chondria crassicaulis, and S. thunbergii. Obvious biomass zonation patterns of macroalgal species were detected in relation to tidal height and depth. Macroalgal biomass, diversity index (H'), and community dynamics were the highest in the shallow subtidal zone. Species number was higher in the subtidal than in the intertidal zone and similar throughout the entire subtidal zone. Our results provide revealing insights into the distribution patterns of macroalgal assemblages in an unpolluted sea area around Jeju Island.Key Words: biomass; distribution; Jeju Island; macroalgae; Marado; seasonal variation INTRODUCTIONMacroalgal ecologists strive to understand the environmental factors and phenomena that affect macroalgal zonation patterns (Choi and Kim 2004, Balata and Piazzi 2008, Konar et al. 2009, Kang et al. 2011. Macroalgal zonation patterns commonly undergo changes in abundance, diversity, and community dynamics through natural processes along tidal height and depth gradients. The highest level of these patterns is generally found at mean low water (MLW) and decreases with both increasing depth and intertidal height (Garrabou et al. 2002, Choi and Kim 2004, Kang and Kim 2004, Balata et al. 2006, Konar et al. 2009. Although numerous studies have described these general zonation patterns, recent studies have suggested that these patterns may not be generalizable across geographic regions because peaks in abundance or diversity are not found consistently in particular depth strata (Balata and Piazzi 2008, Konar et al. 2009, Heo et al. 2011, Kang et al. 2011. Therefore, there is great interest in investigating not only these exceptional patterns but also different zonation patterns in species composition, diversity, abundance, and community dynamics among areas at local scales (Konar et al. 2009, Heo et al. 2011, Kang et al. 2011, Shin et al. 2011.Macroalgal growth is influenced by multi-factorial in- This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrest...

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Section: Resultsmentioning

confidence: 99%

Seasonal variation in depth-stratified macroalgal assemblage patterns on Marado, Jeju Island, Korea

Kang¹,

Kim²

2012

ALGAE

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“…96 (Boo and Lee, 1986), 91 (Chung et al, 1991), 87 (Choi et al, 2006), 144 (Nam et al, 1996) . 6 87 (Choi et al, 2006), 73 (Kim et al, 2010).…”

Section: 군집지수mentioning

confidence: 99%

Seasonal Variation in Subtidal Seaweed Community Structure at Hajung, on the Southeast Coast of Korea

Kim¹,

Park²,

Yoo³

et al. 2011

Korean Journal of Fisheries and Aquatic Sciences

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Subtidal benthic macroalgal flora and community structure on barren grounds were examined seasonally along vertical shore gradients on the rocky shore of Hajung, Pohang, on the southeast coast of Korea, from February 2005 to November 2006. Twenty-six seaweed species were identified, including 5 green, 7 brown, and 14 red algae. The number of seaweed species ranged between 7 and 17 among seasons and between 13 and 20 species were found in vertical gradients along the shore. Over the study period, average seaweed biomass (g wet wt/m 2 ) was 299.88 g and it ranged seasonally from 120.99 to 620.00 g. Seaweed biomass declined with increasing seawater depth and ranged between 323.06 and 593.68 g. The dominant seaweed species, in terms of biomass, were Desmarestia ligulata and Sargassum honeri, which grew at depths between 5 and 10 m. The red alga Delisea pulchra was also abundant at a depth of 15 m. No seasonal patterns were found in community indices. Along vertical shore gradients, community indices showed different patterns; the dominance index increased and the richness, evenness, and diversity indices decreased with seawater depth.

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“…그러나 부착해조류가 해중림의 구성원으로 많은 해양생물의 주된 서식지와 산란장으로 제공될 뿐만 아니라 그 자체가 중요한 해양생물자원으로 이용되고 있으므로 (Terawaki et al, 1998;Yoo et al, 2001;Seo and Yoo, 2003;Kim and Yoo, 2003), 조하대 해조군집에 대한 정보의 확보가 절실히 요구되 고 있다. 그럼에도 불구하고 한국 동해안의 조하대 해조군집 은 최근 몇몇 연구자들 (Sohn, 1983;Kim et al, 1983;Chung et al, 1991;Choi, 1999;Yoo, 2003;Choi et al, 2006;Park, 2008;Shin et al, 2008a, b)에 의해서 그 특성이 일부 밝혀졌을 뿐이며, 이들 역시 시간적 및 공간적으로 단편적인 조사에 그치고 있는 실정이다.…”

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Structure of the Subtidal Marine Plant Community on the East Coast of Korea

Shin¹,

Ahn²,

Kim

2011

Korean Journal of Fisheries and Aquatic Sciences

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The species composition and distributions of benthic marine plants on the East Coast of Korea were studied. We examined all species found in the intertidal and subtidal zones at four sites seasonally from August 2006 to May 2009. Of the 148 species identified, 92 were rhodophytes, 39 were phaeophytes, 16 were chlorophytes, and 1 was a seagrass. The most species (125) were found at Jukbyeon, while the fewest (99) were found at Chuksan. Overall, the numbers of species were highest during the spring and lowest in autumn. Seventy-five species (50 rhodophytes, 15 phaeophytes, 9 chlorophytes, and 1 seagrass) were found at all four sites. The dominant species providing cover were melobesioidean algae, Sargassum spp., Phyllospadix japonica, and Corallina pilulifera. The vertical distribution of benthic marine plants was characterized by C. pilulifera, Sargassum spp., Hizikia fusiformis, Grateloupia elliptica, Symphyocladia latiuscula, Grateloupia lanceolata, Ulva pertusa, and Chondria crassicaulis in the intertidal zone; Sargassum spp., P. japonica, Prionitis cornea, C. pilulifera, and Acrosorium polyneurum at 1 m depth; Sargassum spp., P. japonica, and melobesioidean algae at 5 m depth; and melobesioidean algae at 10 m depth. There was variation among the sites, presumably due to differences in the local conditions.

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Community Structure of Subtitdal Marine Algae at Uljin on theEast Coast of Korea

Cited by 34 publications

References 2 publications

Seasonal variation in depth-stratified macroalgal assemblage patterns on Marado, Jeju Island, Korea

Seasonal variation in depth-stratified macroalgal assemblage patterns on Marado, Jeju Island, Korea

Seasonal Variation in Subtidal Seaweed Community Structure at Hajung, on the Southeast Coast of Korea

Structure of the Subtidal Marine Plant Community on the East Coast of Korea

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