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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.23, no.2, 2005³â, pp.98-105
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¿ä½Ã¸¶Âê±òµû±¸¿Í ¸®ÆÄ¸®±òµû±¸(ÆÄ¸®¸ñ: ±òµû±¸°ú)ÀÇ Á߱ݼӿ¡ ´ëÇÑ ±Þ¼ºµ¶¼º ¹× À¯¿µ´É·Â ºñ±³
( Comparing Acute and Swimming Endpoints to Evaluate the Response of Two Freshwater Midge Species, Chironomus yoshimatsui and Chironomus riparius to Heavy Metals ) |
| À¯µ¿Çö;¼ÕÁø¿À;¸ðÇüÈ£;¹è¿¬Àç;Á¶±âÁ¾; ÁÖ½Äȸ»ç °æ³ó;°í·Á´ëÇб³ »ý¸íȯ°æ°úÇдëÇРȯ°æ»ýŰøÇкÎ;°í·Á´ëÇб³ »ý¸íȯ°æ°úÇдëÇРȯ°æ»ýŰøÇкÎ;¼¿ï¿©ÀÚ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;°í·Á´ëÇб³ »ý¸íȯ°æ°úÇдëÇРȯ°æ»ýŰøÇкÎ;
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| Çѱ¹»ê ¿ä½Ã¸¶Âê±òµû±¸(Chironomus yoshimatsui)ÀÇ ¼¼ °¡Áö Á߱ݼÓ(³³, Ä«µå¹Å, ¼öÀº)¿¡ ´ëÇÑ ±Þ¼ºµ¶¼º ¹× Çൿ µ¶¼ºÀ» ¿Ü±¹ Ç¥ÁØ ½ÇÇè Á¾ÀÎ ¸®ÆÄ¸®±òµû±¸(C. riparius)¿Í ºñ±³ÇÏ¿´´Ù 48½Ã°£ ¹× 96½Ã°£ µ¿¾È ¼öÁß ³ëÃâ(water-only exposure)À» ½ÃŲ ÈÄ µÎ °¡Áö ½ÇÇèÁ¾ÀÇ ¹Ý¼öÄ¡»ç³óµµ($LC_50$)¹× ±òµû±¸ÀÇ À¯¿µ ´É·Â °¨¼Ò¿¡ ¿µÇâÀ» ÁÖ´Â ³óµµ($EC_{50}$)¸¦ ¹ÙÅÁÀ¸·Î µÎ ½ÇÇè Á¾°£ÀÇ Â÷À̸¦ »ìÆìº¸¾Ò´Ù. Ä«µå¹Å°ú ³³¿¡ ´ëÇÏ¿©´Â ¿ä½Ã¸¶Âê±òµû±¸°¡ ¸®ÆÄ¸®±òµû±¸¿¡ ºñÇØ µÐ°¨ÇÑ ¹ÝÀÀÀ» º¸¿´À¸¸ç, ¼öÀº¿¡ ´ëÇÏ¿©´Â ¿ä½Ã¸¶Âê±òµû±¸°¡ ´õ ¹Î°¨ÇÑ ¹ÝÀÀÀ» ³ªÅ¸³Â´Ù. ¸ðµç ½ÇÇè¿¡¼ $LC_50$°ª°ú $EC_{50}$°ªÀÇ ºñÀ²ÀÌ 1º¸´Ù ³ô°Ô ³ª¿Í »ç¸Á·üº¸´Ù´Â À¯¿µ ´É·ÂÀ» ±âÁØÀ¸·Î ½Ç½ÃÇÑ ±Þ¼ºµ¶¼º Æò°¡°¡ ´õ¿í ¹Î°¨ÇÑ °á°ú¸¦ ¾ò¾ú´Ù. ³ëÃ⠱Ⱓ¿¡ µû¸¥ ±Þ¼ºµ¶¼º Â÷À̸¦ »ìÆìº» °á°ú ³ëÃ⠱ⰣÀÌ ±æ¼ö·Ï ±Þ¼ºµ¶¼º ¹× Çൿµ¶¼ºµµ ³ô°Ô ³ªÅ¸³µ´Ù. |
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| The relative sensitivity of two freshwater non- biting midges, Chironomus yoshimatsui Martin and Sublette and C. riparius Meigan, was examined for lead, cadmium, and mercury in water- only exposures. Two endpoints were compared to assess toxicity 48 h and 96 h after exposure: Acute toxicity ($50%$ lethal concentration: $LC_50$) and behavioral toxicity ($50%$ effective concentration: $EC_{50}$). for the behavioral toxicity, reduction of swimming performance of two midge species in the treated conditions was compared to that in the untreated control. The sensitivities differed depending on the species and heavy metals, although some trends emerged. $LC_50$ values in C. yoshimatsui to cadmium and lead were always higher than those in C. riparius with increasing toxicity, regardless of the exposure times. The opposit was true for the mercury treatment. Similar trends were observed in the $EC_{50}$ values. The $EC_{50}$ values were always lower than the $LC_50$ values in all the treatment cases (midge species, heavy metals, and exposure times). These results indicate that the two midge species respond to the heavy metals differently: C. riparius is sensive to cadmium and lead and C. yoshimatsui to mercury. Behavioral toxicity such as swimming performance can be an effective endpoint for assessing heavy metal toxicity in water. |
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| Ű¿öµå |
| Chironomus yoshimatsui;Chironomus riparius;bioindicator;heavy metals;acute toxicity;behavioral toxicity; |
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ȯ°æ»ý¹° / v.23, no.2, 2005³â, pp.98-105
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200502637175120)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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