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Variations of Catch and Fish Species in the Adjacent Fishing Ground of Ceramic Artificial Reefs Constructed on the Coastal Area of Geomun-do, Korea

한국거문도 연안에 시설된 세라믹 어초 인접 어장에서의 어획량과 어획종 변동

  • Park, Seong-Wook (National Fisheries Research and Development Institute) ;
  • Kim, Dae-Kweon (National Fisheries Research and Development Institute) ;
  • Lee, Jeong-Woo (National Fisheries Research and Development Institute) ;
  • Ahn, Hee-Chun (National Fisheries Research and Development Institute)
  • Published : 2004.11.01

Abstract

In order to estimate the effect of ceramic artificial reefs on the fisheries resources enhancement, we have studied the variation of catch and species, which were caught by trammel net on the three fishing grounds of ceramic artificial reef, natural reef, and control(non-reef)in the coast of Geomun-do, Korea from 2001 to 2003. Catch per unit effort (CPUE ; g/panel) of fishing ground with the ceramic artificial reef area was 1,621.9g, it was about 67.9% higher than the natural reef area 333.3% higher than the control area. The catch of fish with the ceramic artificial and the natural reef area was not significantly different based on statistical analysis of Tukey test, whereas the relationship between the ceramic artificial reef and the control area was significantly different (p<0.05). Monthly mean number of species caught by the artificial reef area, the natural reef area and the control area was no difference by ANOVA test. The catch of fish was highest in November and lowest in May, whish was associated with the natural reef and the control area. The dominant species were demersal fishes living around rock such as Pagrus majir, Thamnaconus modestus, Stephanolepis sirrhifer, Pleuronichthys curntus, and Ostracion cubicus in the artificial reef area, but demersal of migratory fishes in the natural reef and the control area.

Keywords

Fisheries resources enhancement;Ceramic artificial reef;Catching efficiency;trammel net

References

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