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Growth and Maturation Period of Silvetia siliquosa in the Natural Population in Jindo, South Korea
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 Title & Authors
Growth and Maturation Period of Silvetia siliquosa in the Natural Population in Jindo, South Korea
Hwang, Eun Kyoung; Yoo, Ho Chang; Ha, Dong Soo; Park, Chan Sun;
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 Abstract
The ecological characteristics of Silvetia siliquosa, an endangered brown alga, were investigated from January to December 2013 in Jindo, South Korea. The S. siliquosa population formed widespread patches on natural rock. Receptacles were observed from March to August when seawater temperatures ranged from 8-26℃. A maturation peak was detected in June, when seawater temperatures were 23.4℃. After embryo release, the alga bleached and only the discoidal holdfast remained after August. Developmental initiation of the thallus occurred at temperatures above 8℃, and receptacle formation required approximately 196 degree-days. This is the first study to examine a S. siliquosa population throughout the entire year in a natural habitat.
 Keywords
Silvetia siliquosa;Growth;Maturation;Natural population;
 Language
Korean
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