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http://dx.doi.org/10.23005/ksmls.2021.6.2.117

Post-disturbance Recovery Pattern in the Soft Corals-Macroalgae Mixed Habitat in Jeju Island, Korea  

Kim, Junsu (Department of Biological Sciences, Sungkyunkwan University)
Hong, Seokwoo (Department of Biological Sciences, Sungkyunkwan University)
Yang, Kwon Mo (Department of Biological Sciences, Sungkyunkwan University)
Macias, Daniela (Department of Biological Sciences, Sungkyunkwan University)
Kim, Jeong Ha (Department of Biological Sciences, Sungkyunkwan University)
Publication Information
Journal of Marine Life Science / v.6, no.2, 2021 , pp. 117-123 More about this Journal
Abstract
Post-disturbance recovery pattern of subtidal soft corals-macroalgae mixed community and the role of water depth were investigated. The experiment was conducted in a subtidal rock wall of Munseom, Jeju Island, Korea for 2.5 years. Artificial disturbance was done at established treatment plots at depths of 10, 15 and 20 m and were then compared with undisturbed control plots. After disturbance, recovery of soft corals was very slow, whereas macroalgae quickly occupied the plots and reached a similar level as the control in 6 months, and this pattern was consistent at all water depths. This unbalanced speed of recovery caused higher macroalgae establishment than soft corals in treatment compared to control plots, indicating a possible phase shift in the community structure. This study provides an important implication for the necessity of monitoring the influence of disturbance at a larger scale, from a conservation perspective of soft corals in Jeju coast.
Keywords
Disturbance; Ecklonia; Recovery; Soft coral; Subtidal;
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