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Journal of Environmental Toxicology 2010;25(2):161-168.
원유의 WSF(water soluble fraction)가 참굴의 초기생활사에 미치는 영향
신윤경, 김응오, 조기채, 전제천, 진영국
1국립수산과학원 양식관리과
2국립수산과학원 양식관리과
3남서해수산연구소
4국립수산과학원 양식관리과
5남서해수산연구소 해역산업과
Effect of Crude Oil (WSF) on Early Life Stage of the Pacific Oyster, Crassostrea gigas
Yun Kyung Shin , Eung Oh Kim , Kee Chae Cho , Je Cheon Jun , Young Guk Jin
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ABSTRACT
  The observed the toxic effect of WSF (Water Soluble Fraction) on development time, development rate, attachment rate, survival rate and growth of the larva during the early stage of the Pacific oyster, Crassostrea gigas. The time required early juvenile from the fertilized eggs exposed to crude oil (WSF) was about 13 hours in control group. But that of the crude oil dose group takes 12 hours, with shorter compared to control group. Development and attachment rate of the oyster significantly higher in 0.4 and 0.8 ㎎/L WSF compared to control group (P < 0.05) but significantly lower more than 1.6 ㎎/L WSF (P < 0.05). Survival rate of the oyster larva significantly higher in 0.4 and 0.8 ㎎/L WSF compared to control group (P < 0.05) but significantly lower more than 2.4 ㎎/L WSF (P < 0.05). Survival rate of spot showed no significantly difference compared to control group (P > 0.05). Shell growth of the oyster were significantly lower more than 1.6 ㎎/L WSF compared control group (P < 0.05). The effect concentration of crude oil showed that more 0.4 ㎎/L in development and attachment rate and more 1.6 ㎎/L in growth. Also, chronic exposure of crude oil even effect also in low concentration.
Keywords: Crude oil; Crassostrea gigas; Embryo development; Survival rate; Growth
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