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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.24, no.3, 2006³â, pp.240-247
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( Effect of a Low-oxygen Layer on the Vertical Distribution of Zooplankton in Gamak Bay )
¹®¼º¿ë;¼­È£¿µ;ÃÖ»ó´ö;Á¤Ã¢¼ö;±è¼÷¾ç;ÀÌ¿µ½Ä; Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;±¹¸³¼ö»ê°úÇпø ³²Çؼö»ê¿¬±¸¼Ò;±¹¸³¼ö»ê°úÇпø ³²Çؼö»ê¿¬±¸¼Ò;±¹¸³¼ö»ê°úÇпø ³²Çؼö»ê¿¬±¸¼Ò;
 
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°¡¸·¸¸ ¼ÒÈ£ ÀαÙÇØ¿ªÀÇ ¿ëÁ¸»ê¼Ò ³óµµ¿¡ µû¸¥ µî¹° Çöûũſ ±ºÁý µ¿Å¸¦ ¿¬±¸Çϱâ À§ÇØ 2005³â 8¿ù 22ÀÏ ºÎÅÍ 9¿ù 15ÀϱîÁö ¿¬±¸¸¦ ½Ç½ÃÇÏ¿´´Ù. º» ¿¬±¸°á°ú ÀúÃþÀÇ ¿ëÁ¸»ê¼Ò ³óµµ°¡ $3mgL^{-1}$ ÀÌÇÏÀÏ ¶§´Â µ¿¹°Çöûũſ ÃâÇö °³Ã¼¼ö´Â ÇöÀúÈ÷ ³·°Ô ³ªÅ¸³ª°Å³ª ÀüÇô ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ¼öÃþº° ºÐÆ÷¿Í ÃâÇö °³Ã¼¼ö¿¡ ´ëÇÑ ÀúÃþÀÇ Àú»ê¼ÒÈ­ ¿µÇâÀ» ¿¬±¸ÇÑ °á°ú, ¿ëÁ¸»ê¼Ò ³óµµ´Â ÀúÃþÀ¸·Î °¥¼ö·Ï ³·°Ô ³ªÅ¸³µÀ¸¸ç, ¿¬±¸ÇØ¿ªÀÇ µ¿¹°Çöûũſ ÃâÇö °³Ã¼¼ö´Â ´ëºÎºÐ Ç¥Ãþ¿¡¼­ ¸¹°Ô ³ªÅ¸³µ´Ù. ¿¬±¸ ÇØ¿ªÀÇ ¼öÃþº° µ¿¹°Çöûũſ ÃÑ ÃâÇö °³Ã¼¼ö¸¦ ºÐ»êºÐ¼® (ANOVA-test)À» ½Ç½ÃÇÑ °á°ú À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³Â´Ù (P<0.05).µ¿¹°ÇöûũſÀÇ ÀüüÀûÀÎ ÃâÇö °³Ã¼¼ö¿¡¼­´Â ¿ä°¢·ù À¯»ý, Oithona sp., ±×¸®°í À¯Á¾¼¶¸ðÃæ·ù°¡ ¿ëÁ¸»ê¼Ò³óµµ°¡ $3mgL^{-1}$ÀÌÇÏÀÎ ¼öÃþ¿¡¼­ ³·°Ô ³ªÅ¸³µ´Ù. °á°ú ÀûÀ¸·Î, ÀÌ·¯ÇÑ È¯°æ Á¶°ÇÀº °¡¸·¸¸ ¼ÒÈ£ ÀαÙÇØ¿ªÀÇ µ¿¹°Çöûũſ ¼öÃþ ºÐÆ÷¿¡ ¿µÇâÀ» Áִ ȯ°æ¿äÀÎÀ¸·Î ¿ëÁ¸»ê¼Ò ³óµµ¿¡ ÀÇÇØ¼­ Á¶ÀýµÇ°í ÀÖÀ½À» È®ÀÎÇÒ ¼ö ÀÖ´Ù.
The dynamic of zooplankton community and its relationship with dissolved oxygen were studied at the Soho area of Gamak Bay from 22 August to 15 September in summer. We found that zooplankton were in low abundance or absent from bottom waters when oxygen concentrations were <3 mg $L^{-1}$. The relationship between summer low-oxygen in bottom-layer and zooplankton community structure was discussed at vertical abundance in Soho area of Gamak Bay. To examine effects of bottom-layer low-oxygen on abundance and vertical distributions in the stratified Soho area, zooplankton was surveyed near-surface, within the near-bottom in the study area under a range of near-bottom dissolved oxygen conditions. There were vertical variation in total zooplankton abundance in the study area (ANOVA, P<0.05). Overall abundance of zooplankton: copepod nauplii, Oithona sp. and tintinnids were lower throughout the water column when bottom-layer DO was low (${leq}3mg;L^{-1}$). In this context it was postulated that zooplankton distribution in the Soho area of Gamak Bay might be controlled by dissolved oxygen condition.
 
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Gamak Bay;low-oxygen;zooplankton community;
 
ȯ°æ»ý¹° / v.24, no.3, 2006³â, pp.240-247
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634516373223)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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