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Algae > Volume 18(4); 2003 > Article
Algae 2003;18(4): 295-299. doi: https://doi.org/10.4490/ALGAE.2003.18.4.295
Structure and Function of Submarine Forest 2. Population Dynamics of Ecklonia stolonifera as a Submarine Forest -Forming Component
Nam-Gil Kim, Jong Su Yoo
Department of Marine Bioscience, Gyeongsang National University, Research Institute of Marine Science and Technology, Korea Maritime University
ABSTRACT
The population dynamics of Ecklonia stolonifera was investigated at Tongyeong coastal area in the South Sea of Korea. The blade length and width, stipe length and diameter, mean total length and mean weight were measured from randomly collected fifty individuals in every month. The plants in Tongyeong population were relatively bigger than those of Busan Korea and Aomori Japan in terms of their blade length and width. The population biomass was low in winter and high in spring and summer. The sporagial sori were found from August to December but prominent in September and October. About 90% of the Tongyeong population was consisted of one- and two- year old plants and the zoosporangial sori were observed mostly in two- year old plants. It was different from the results of Busan and Aomori population in which the zoosporangial sori were observed from the plants older than three years. The new populations were developed from the zoospores of two-year old plants and their generation time was relatively shorter than those of Busan and Aomori.
Key words: Ecklonia stolonifera, population dynamics, submarine forest


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