Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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Thermal Discharge Effects on the Species Composition and Community Structure of Macrobenthos in Rocky Intertidal Zone Around the Taean Thermoelectric Power Plant, Korea

태안화력발전소 주변 암반조간대에 서식하는 대형저서동물의 종조성 및 군집구조에 미치는 온배수의 영향

  • Jung, Yun-Hwan (Department of Taxonomy and Systematics, National Marine Biodiversity Institute of Korea) ;
  • Kim, Hyung June (Department of Taxonomy and Systematics, National Marine Biodiversity Institute of Korea) ;
  • Park, Heung-Sik (Marine Ecosystem and Biolgical Research Center, KIOST)
  • 정윤환 (국립해양생물자원관 분류연구실) ;
  • 김형준 (국립해양생물자원관 분류연구실) ;
  • 박흥식 (한국해양과학기술원 생태기반연구센터)
  • Received : 2018.02.19
  • Accepted : 2018.06.14
  • Published : 2018.06.30
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Abstract

This study was conducted to understand the distribution and changes of macrobenthos on rocky intertidal areas around Taean thermoelectric power plant, Also, the purpose of this study was to produce a base-line data on the changes in water temperature due to the operation of the power plant and to understand its thermal impact on the macrobenthic community on intertidal rocky bottoms. A field survey was seasonally conducted at 3 rocky intertidal sites around the Taean thermal power plant. There was no seasonal difference in the community parameters such as number of species, mean density, biomass and species diversity during the study period. The major dominant species were Chthamalus challenger, Littorina brevicula, Crassostrea gigas. In comparison with previous study, thermal discharge in the study area did not significantly affect the distribution of dominant species. The structure of the macrobenthic community revealed that there were showed 3 different faunal groups depending on the difference in the mean density of major dominant species. The result of SIMPER analyses to determine which species were the main contributors to the differences between each community, C. challenger, Lottia spp. And Mytilus galloprovincialis, etc., revealed that there was showed a significant difference between each group. The abundance of M. galloprovincialis, showed a significant difference between faunal groups.

Keywords

References

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