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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.21, no.1, 2003³â, pp.36-41
±¸¸® ³ëÃâ¿¡ µû¸¥ ³ÒÄ¡, Paralichthys olivaceus Ä¡¾îÀÇ ¸¸¼ºµ¶¼º
( Chronic Toxicity of the Juvenile Olive Flounder, Paralichthys olivaceus Exposed to Copper )
°­ÁÖÂù;±èÀç¿ø;±è¼º±æ;Ȳ¿î±â; ºÎ°æ´ëÇб³ ¼ö»ê»ý¸íÀÇÇаú;ºÎ°æ´ëÇб³ ¼ö»ê»ý¸íÀÇÇаú;ºÎ°æ´ëÇб³ ¼ö»ê»ý¸íÀÇÇаú;±¹¸³¼ö»ê°úÇпø µ¿Çؼö»ê¿¬±¸¼Ò;
 
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¿¬¾ÈÁö¿ªÀÇ È¯°æ¿À¿° ¹× ¾ç½Ä¿ë¼öÀÇ ÀÌ¿ë°úÁ¤¿¡ ÆÄ»ýµÉ ¼ö ÀÖ´Â ±¸¸®ÀÇ ¿À¿°¿¡ µû¸¥ ³ÒÄ¡ÀÇ »ýÁ¸, ´ë»çÀ², »ç·áÈ¿À² ¹× ¼ºÀåÀ²¿¡ ¹ÌÄ¡´Â ±¸¸®ÀÇ ¿µÇâÀ» °ËÅäÇÏ¿´´Ù. 4°³ÀÇ ¾ÆÄ¡»ç±¸¸® ³óµµ(50, 80, 180, 320 $mu extrm{g}$ L$^{-1}$)¿¡¼­ 6ÁÖµ¿¾È ½ÇÇèÇÏ¿´´Ù. ½ÇÇè±â°£ µ¿¾È ³ÒÄ¡´Â ´ëÁ¶±¸¿¡¼­´Â ½ÇÇèÁ¾·á½Ã ±îÁö »ç¸Á°³Ã¼°¡ ÀüÇô ³ªÅ¸³ªÁö ¾Ê¾Æ 100%ÀÇ »ýÁ¸À²À» ³ªÅ¸³»¾ú´Ù. ±¸¸® ³ëÃâ³óµµ 180 $mu extrm{g}$ L$^{-1}$¿¡¼­´Â ³ëÃâ 4ÁÖºÎÅÍ °¨¼ÒÇϱ⠽ÃÀÛÇÏ¿´À¸¸ç, ³ëÃâ±â°£ÀÌ ±æ¾îÁü¿¡ µû¶ó Áö¼ÓÀûÀ¸·Î °¨¼ÒÇÏ¿© ³ëÃâ 6ÁÖ¿¡´Â 84.0%±îÁö °¨¼ÒÇÏ¿´´Ù. ¶ÇÇÑ ±¸¸® ³ëÃâ³óµµ 320 $mu extrm{g}$L$^{-1}$¿¡¼­ ³ëÃâ 2ÁÖºÎÅÍ °¨¼ÒÇÏ¿© ³ëÃâ 6ÁÖ¿¡ 82.0%·Î ³ôÀº µÎ °³ÀÇ ³óµµ±¸¿¡¼­ À¯ÀÇÇÑ °¨¼Ò°¡ ³ªÅ¸³µ´Ù. »ê¼Ò ¼Òºñ·®Àº ³ëÃâ³óµµ 180, 320 $mu extrm{g}$ L$^{-1}$¿¡¼­ ´ëÁ¶±¸º¸´Ù °¢°¢ 27.0, 42.0%°¡ ÀúÇÏÇÏ¿© À¯ÀÇÇÑ °¨¼Ò¸¦ ³ªÅ¸³Â´Ù. »ç·áÈ¿À²Àº ´ëÁ¶±¸°¡ 43.6%·Î¼­ °¡Àå ³ôÀº È¿À²À» ³ªÅ¸³Â°í, ³ëÃâ³óµµ°¡ 320 $mu extrm{g}$ L$^{-1}$¿¡¼­´Â 30.0%·Î¼­ °¡Àå ³·Àº ¼ºÀå »óŸ¦ º¸¿´À¸¸ç, ³ëÃâ³óµµ 80 $mu extrm{g}$ L$^{-1}$À̻󿡼­´Â ´ëÁ¶±¸¿¡ ºñÇØ À¯ÀÇÇÑ °¨¼Ò¸¦ ³ªÅ¸³Â´Ù. ¼ºÀåÀ²Àº ´ëÁ¶±¸¿¡¼­ Æò±Õ 16.8%·Î ³ªÅ¸³ª °¡Àå ³ôÀº ¼ºÀåÀ» º¸¿´À¸¸ç, ³ëÃâ³óµµ 320 $mu extrm{g}$ L$^{-1}$¿¡¼­´Â 5.4%·Î¼­ °¡Àå ³·Àº ¼ºÀåÀ» º¸¿´´Ù. ¼ºÀå·üÀÇ ÀüüÀûÀÎ ¾ç»óÀº ³ëÃâ³óµµ°¡ Áõ°¡ÇÒ¼ö·Ï ¼ºÀåÀÌ ¶³¾îÁö´Â °á°ú¸¦ º¸¿´À¸¸ç, »ç·áÈ¿À²°ú ¸¶Âù°¡Áö·Î ³ëÃâ³óµµ 80 $mu extrm{g}$ L$^{-1}$ À̻󿡼­ À¯ÀÇÇÑ °¨¼Ò¸¦ ³ªÅ¸³Â´Ù.
In order to estimate chornic toxicity of copper in the juvenile oliver flounder, Paralichthys olivaceus, experiments were investigated the effects of long term sublethal copper exposure on survival rate, metabolic rate, feed efficiency and growth rate. Oliver flounder were exposed for 6 weeks to four different sublethal copper concentration (50, 80, 180, 320 $mu extrm{g}$ $L^{-1}$). Survival rate of them significantly affected above 180 $mu extrm{g}$ $L^{-1}$, and reduced for increase exposure periods and concentrations. Copper exposure to 180 and 320 $mu extrm{g}$ $L^{-1}$ significantly decreased metabolic rate in olive flounder. Exposure to waterborne copper concentrations as high as 80 $mu extrm{g}$ $L^{-1}$ resulted in significantly reduced feed efficiency and growth rate. From these results, it could be concluded that the high level of 80 $mu extrm{g}$ $L^{-1}$ copper concentration in the bottom water would curtail production of the olive flounder in coastal area.
 
Ű¿öµå
Paralichthys olivaceus;juvenile;copper;survival rate;metabolic rate;growth rate;
 
ȯ°æ»ý¹° / v.21, no.1, 2003³â, pp.36-41
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921575159)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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