Macrobenthic community at type and age-different artificial reefs located along the Korean coast of the East Sea

Two types of artificial reefs, one for simple (S-AR), another for complex artificial reef (C-AR), were installed on a Korean coast of the East Sea (Sea of Japan) where a barren ground was progressive. Compared with macrobenthic organisms at NHB (natural hard bottom) control, AR (artificial reef) enh...

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Bibliographic Details
Published inJournal of environmental biology Vol. 29; no. 4; p. 501
Main Authors Kim, Wan Ki, Son, Yong Soo, Lee, Ji Hyun, Hong, Jeung Pyo, Kim, Young Seop, Lee, Jeong Woo, Jo, Qtae
Format Journal Article
LanguageEnglish
Published India 01.07.2008
Subjects
Age Factors
Animals
Anthozoa
Biodiversity
Biomass
Biomimetics
Environmental Monitoring
Geography
Geologic Sediments - chemistry
Japan
Korea
Oceans and Seas
Population Dynamics
Sea Urchins - drug effects
Sea Urchins - growth & development
Sea Urchins - metabolism
Seaweed - drug effects
Seaweed - growth & development
Seaweed - metabolism
Water Pollutants, Chemical - toxicity
Japan
Korea
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Summary:Two types of artificial reefs, one for simple (S-AR), another for complex artificial reef (C-AR), were installed on a Korean coast of the East Sea (Sea of Japan) where a barren ground was progressive. Compared with macrobenthic organisms at NHB (natural hard bottom) control, AR (artificial reef) enhanced seaweed composition, reducing echinoderm composition, mostly sea urchins, the causative animal of the barren ground. Composition of the two mutually exclusive communities was AR type-specific, the C-AR exerting betterfunction over S-AR by enhancing higher seaweed composition. However this ecosystem-sound composition at C-AR was maintained only within 10 years. Another negative aspect of the AR was an unexpectedly higher composition of tunicates that canbe a sign of nutrient-rich environment in the Korean waters. Overall, CAR was more agreeable when simply based on its function excluding construction cost.
ISSN:0254-8704