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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.1, 2000³â, pp.153-161
Àΰø¼ö·Î¿¡¼­ »ê¼ºÈ­ ¿µÇâ¿¡ µû¸¥ ¼Ò¹é¿·»õ¿ì(Gammarus sobaegensis)ÀÇ »ýŵ¶¼ºÇÐÀû ¿¬±¸ - Ç¥·ùÇൿÀ» Áß½ÉÀ¸·Î -
( Ecotoxicological Study of Gammarus sobaegensis by pH Depression in Artificial Channels - Drift behavior - )
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º» ¿¬±¸¿¡¼­´Â ´Ü°¢¸ñÀÇ ÀÏÁ¾ÀÎ ¼Ò¹é¿·»õ¿ì(G. sobuegensis)¸¦ ´ë»óÀ¸·Î Àΰø¼ö·Î ÇÏ¿¡¼­ pH º¯È­¸¦ À¯µµ½Ãų ¶§ ¹ß»ýµÇ´Â °³Ã¼ÀÇ Ç¥·ùÇൿ¿¡ ´ëÇÑ À̵¿Æ¯¼ºÀ» ¾Ë¾Æº¸¾Ò´Ù. º» Á¾Àº ³·Àº pH¼öÁØÀÇ »ê¼º½ºÆ®·¹½º¿¡¼­ ȸÇÇÇൿÀÌ ÇöÀúÇÏ°Ô Áõ°¡ÇÑ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç, ¶ÇÇÑ »ê¼ºµµ¿¡ µû¸¥ ³»¼º¹üÀ§´Â °³Ã¼ÀÇ ¼º¼÷µµ Áï Áß¼ÒÇüº¸´Ù ´ëÇü°³Ã¼°¡ º¸´Ù ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇÏ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ƯÈ÷ »ê¼º ½ºÆ®·¹½º¿¡ ÀÇÇÑ ¹ÝÀÀÀÌ ´ëÇü°³Ã¼¿¡ ºñÇØ ¼ÒÇü°ú ÁßÇü°³Ã¼¿¡ À־ ¸Å¿ì ºÒ±ÔÄ¢ÀûÀ¸·Î ³ªÅ¸³­ °ÍÀº, °¢Á¾ ¼öȯ°æ º¯È­¿¡ ´ëÇÑ È¸ÇǴɷ°úµµ °°Àº ¿îµ¿¼ºÀÇ Â÷ÀÌ µîÀ» °í·ÁÇØ º¼ ¼ö ÀÖ¾ú´Ù. Àü¹ÝÀûÀ¸·Î Àΰø ¼ö·Î³»ÀÇ ¼Ò¹é¿·»õ¿ì ´ëºÎºÐ °³Ã¼µéÀº Àü ½Ã±â¿¡ °ÉÃÄ, pH4.5 ÀÌÇÏÀÇ ³·Àº ¼öÁØ¿¡¼­ ¸Å¿ì ¹Î°¨ÇÏ°Ô ¹ÝÀÀ ÇÑ ÈÄ, Áï½Ã ÇÏ·ù¿ª ¹æÇâÀ¸·Î ¼ö·ùÀÇ ¿òÁ÷ÀÓÀ» µû¶ó ´Éµ¿ÀûÀ¸·Î ȸÇÇ À̵¿Çϴ Ư¼ºÀ» º¸ÀÌ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, pH3.0 ÀÌÇÏÀÇ °­ÇÑ »ê¼º ½ºÆ®·¹½º ÇÏ¿¡¼­´Â ¿ÀÈ÷·Á ȸÇÇ´É·ÂÀ» »ó½ÇÇÏ´Â °ÍÀ¸·Î º¸¿©Á³´Ù. ¶ÇÇÑ ANOVAºÐ¼®°á°ú, pH(F=353.415, p<0.0005)ÀÌ¿ÜÀÇ ¸î¸î ȯ°æ ¿äÀεé Áß ¼ö¿Â(F=66.596, p<0.0005)°ú °¢ °³Ã¼ÀÇ Å©±â(F=71.386, p<0.0005)µîµµ ³·Àº »êµµ¿¡ ÀÇÇÑ ¼Ò¹é¿·»õ¿ìÀÇ È¸ÇÇÇൿ¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡´Â ÁÖ¿äÇÑ ¿äÀÎÀ̶ó´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
This study was carried out to examine the drift of Gammarus sobaegensis by acid stress as pH depression in Oweol creek from April 1996 to October 1996. The behavioral drifting was revealed to the characteristics of G. sobaegensis that is tend to increase as acid stress. And, tolerance level of G. sobaegensis to pH depression was different among the size classes. Individuals belong to small to medium size classes were weak in lower pH. Pattern of response in G. sobaegensis has a lower tolerance to acid stress at below pH 4.0 than above pH 5.0 in the artificial channel and show the possibility as an effective aquatic ecotoxicity test organism. The result of analysis of variance, water temperature (F-ratio : 66.596, p< 0.0005) and the size classes (F-ratio : 71.386, p< 0.0005) except pH level (F-ratio : 353.415, p<0.0005) were showed to the major factor for drift behavior by acid depression. [Gammarus, pH, Drift, Acid stress, Ecotoxicity test].
 
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ȯ°æ»ý¹° / v.18, no.1, 2000³â, pp.153-161
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921491721)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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