The Korean Journal of Ecology

한국생태학회 (The Ecological Society of Korea)
권호 표지

온산만의 퇴적물과 총알고둥(Littorina brevicula) 내 중금속 분포

Distribution of Heavy Metals in the Sediments and Periwinkles (Littorina brevicula) of Onsan Bay, Korea

  • 송미연 (이화여자대학교 생물과학과) ;
  • 이인숙 (이화여자대학교 생물과학과) ;
  • 최병래 (성균관대학교 생물학과) ;
  • 박경숙 (성신여자대학교 생물학과)
  • 발행 : 1997.02.01
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초록

To investigate the distribution of heavy metal concentrations in Onsan bay, concentrations of cadmium, copper, zine and lead in surface sediments and the periwinkles (Littorina brevicula) were determined in Feburary and July, 1996. The ranges of cadmium, copper, zinc and lead concentrations in the surface sediments were 0.08-3.72, 3-307, 49-1273 and 15-399 ${\mu}g/g$ dry weight, respectively, The decrease of concentration in heavy metals with distance from Daejeong stream indicated that this stream is the pollutant source of heavy metals in Onsan Bay. The concentrations of cadmium, copper, zinc and led in L. brevicula were 0.11-11.81, 21-212, 30-96 and 0.26-4.12 ${\mu}g/g$ dry weigth in February and 1.01-24.9, 66-325, 54-225 and 0.68-8.41 ${\mu}g/g$ dry weight in July, respectively. These concentrations in L. brevicula were the significantly different (p<0.001) with the season of sampling. However, overall distribution of concentrations of heavy metals in L. brevicula had very similar tendency that concentrations of heavy metal decreased with the distance from the pollutant source irrespective of the two seasons. Therefore, L. brevicula is considered as a useful indicator for heavy metals pollution, According to analysis of the organs, tissues such as the digestive gland, gill and viceral mussel accumulate high concentrations of heavy metals.

키워드

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