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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2008, 29 (4)                                                                                                             Back



Abstract

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

Wan Ki Kim1, Yong Soo Son1, Ji Hyun Lee1, Jeung Pyo Hong1, Young Seop Kim1, Jeong Woo Lee2 and Qtae Jo*2

1Fisheries Resources Management and Enhancement Team, East Sea Fisheries Research Institute, Gangwon - 210-861, Korea
2Aquaculture Research Team, National Fisheries Research and Development Institute, Busan - 619-902, Korea

(Received: February 02, 2007; Revised received: December 14, 2007; Accepted: December 15, 2007)

Abstract: 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 better function 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 can be a sign of nutrient-rich environment in the Korean waters. Overall, C-AR was more agreeable when simply based on its function excluding construction cost.

Key words: Artificial reef, Type and age of reefs, Epibenthic macroorganisms, Barren ground, Korean coast

PDF of full length paper is available with author (qtjo@nfrdi.re.kr)

 

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