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KMID : 1024520150240101285
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Journal of the Environmental Sciences
2015 Volume.24 No. 10 p.1285 ~ p.1307
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Technology of Marine Forest Construction in the Southern East Coast and Growth Characteristics of Transplanted Algae
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Kim Young-Dae
Kim Hyun-Gyum
Lee Chu
Yoo Hyun-Il
Park Mi-Seon
Byun Soon-Gyu
Choi Jae-Suk
Nam Myung-Mo
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Abstract
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We constructed marine forest to restore barren grounds which are expanding in the east coast of Korea using 2 methods of
(1)seedlings transplantation method and (2)underwater floating ropes method. We transplanted 3 macroalgae species, Ecklonia
cava, Undaria pinnatifida, and Saccharina. japonica to construct marine forest. Blade length of Undaria pinnatifida on
underwater floating ropes was 56.70±8.69㎜in April and grew 68.75±22.30㎜in May and 70.75±14.36㎜in July. Blade length
of S. japonica was shown 97.95-143.00㎜ in April to June. Blade length of Ecklonia cava was 30.50±1.91㎜ in May,
41.55±1.84㎜ in August, 45.30±2.57㎜ in November, 2009 and 45.30±1.99㎜ in February, 2010. The survey on Dangsa area,
Ulsan-city in January, 2009 found a total number of 15 algal species(1 brown algae, 14 red algae species) with the highest
variety at 5m depth of A station and the lowest at 8m depth of A and B stations. The March survey showed a total of 24
species (1 green algae, 1 brown algae, 22 red algae species) with the highest variety of 11 at depths of 3m and 5m of B station and the lowest of 6 at 10m of B station. In May, total biomass was 3,755.4g (green algae 1.2g, brown algae 199.0g, red algae 3,555.2g). From January, 2009, we found that E. cava was dominant at the depths of 3m and 5m of A and B stations while Peyssonnelia capensis was dominant at the depth of 8m of A station. The 8m depth of B station was dominated by Acrosorium polyneurum. In May, Grateloupia lanceolata was dominant at 8m depth of A station while other depths were dominated by Phycodrys fimbriata. In June, the dominant species were G. lanceolata at the 3m depth, E. cava at the 5m and P. fimbriata at the depths of 8m and 10m of A station. Under B station, G. lanceolata was dominant at the depths of 3m and 5m while P.fimbriata was dominant at the depths of 8m and 10m.
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KEYWORD
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Seaweed forest, Ecklonia cava, Undaria pinnatifida, Saccharina. japonica, Seaweeds seed transplantation
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