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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.26, no.4, 2008³â, pp.279-291
°¡¸·¸¸ÀÇ ¼öÁúȯ°æ°ú ÀÌ¸ÅÆÐ·ù(Bivalvia)±ºÁýÀÇ ¿¬°£º¯µ¿
( Annual Variation of Water Quality and Bivalvia Communities in Gamak Bay )
±èÀ±¼³;À±È£¼·;¹ÚÀÏ¿õ;ÀÌ¿ì¹ü;Áֽ¿ë;ÃÖ»ó´ö; Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;Àü³²´ëÇб³ ȯ°æ°øÇаú;´ëÇѹα¹ ±¹È¸;Àü³²´ëÇб³ ÇØ¾ç±â¼úÇкÎ;
 
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º» Á¶»ç¿¡¼­´Â ¾ç½Ä¾÷ ¹× ¼ö»ê¾÷¿¡ À־ Áß¿äÇÑ ºÎºÐÀ» Â÷ÁöÇϰí ÀÖ´Â °¡¸·¸¸À» ´ë»óÀ¸·Î ¼öÁúȯ°æ º¯È­¿¡ ´ëÇÑ ÀÌ¸ÅÆÐ·ùÀÇ ±ºÁý±¸Á¶ ¹× ¿¬°£º¯µ¿À» ÆÄ¾ÇÇÏ°í ¹°¸®Àû È­ÇÐÀû ȯ°æÀÌ ÀÌ¸ÅÆÐ·ù ±ºÁý¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇϰíÀÚ ÇÏ¿´´Ù. °¡¸·¸¸ ÇØ¿ªÀÇ 12°³ Á¤Á¡À» ¼³Á¤Çϰí 2001³âºÎÅÍ 2006³â±îÁö 4¿ù, 7¿ù, 9¿ù, 11¿ù °èÀýº°·Î Á¶»çÇÑ °á°ú ÀÌ¸ÅÆÐ·ù ÃÑ 28Á¾ÀÌ ÃâÇöÇÏ¿´À¸¸ç, Æò±Õ ¼­½Ä¹Ðµµ´Â 226.72$pm$196.20 ind. m$^{-2}$ÀÇ º¯µ¿¹üÀ§¸¦ º¸¿´´Ù. È­ÇÐÀû »ê¼Ò¿ä±¸·®Àº Æò±Õ 3.03 mg L$^{-1}$¿¡¼­ 1.89 mg L$^{-1}$·Î °¨¼ÒÇÏ¿´À¸¸ç, ƯÈ÷, ÀúÃþ ÅðÀû¹°ÀÇ È­ÇÐÀû »ê¼Ò¿ä±¸·®Àº Æò±Õ 21.51 mg g-dry$^{-1}$¿¡¼­ 16.99 mg g-dry$^{-1}$ ¼öÁØÀ¸·Î °¨¼ÒÇÏ¿© °¡¸·¸¸ÀÇ ¼öÁú µî±ÞÀÌ IIIµî±Þ¿¡¼­ IIµî±Þ¼öÁØÀ¸·Î °³¼±µÇ¾î °¡°í ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. °¡¸·¸¸ÀÇ ¿ìÁ¡Á¾Àº ÃÑ 13Á¾À¸·Î Àüü ÀÌ¸ÅÆÐ·ùÀÇ 96.75%¸¦ Â÷ÁöÇÏ¿´´Ù. ÀÌÁß °¡Àå ¿ìÁ¡ÇÑ Á¾Àº Á¾¹ÔÀ¸·Î Æò±Õ ¼­½Ä¹Ðµµ´Â 100.38 ind. m$^{-2}$(22.16%)À̾úÀ¸¸ç, ¹Î¶ìÁ¢½ÃÁ¶°³°¡ 69.00 ind. m$^{-2}$(15.23%), ¾Æ±â¹ÝÅõ¸íÁ¶°³°¡ 49.70 ind. m$^{-2}$ (10.97%), ÁøÁÖ´ãÄ¡°¡ 42.18 ind. m$^{-2}$ (9.31%), ³óÁ¶°³°¡ 40.99 ind. m$^{-2}$ (9.05%)µîÀ¸·Î ¿ìÁ¡ ÃâÇöÇÏ¿´´Ù. ÀÌ¸ÅÆÐ·ùÀÇ Á¾Á¶¼º¿¡ ±Ù°ÅÇÑ Áý±«ºÐ¼® °á°ú Group A, B, CÀÇ 3°³ÀÇ ±ºÁýÀ¸·Î ³ª´©¾îÁ³À¸¸ç, ´Ù½Ã ¼¼ºÐÈ­ Çϸé A I, A II, A III, B I, B II, C·Î ³ª´©¾îÁö´Â ¾ç»óÀ» º¸¿´´Ù.
The seasonal distribution pattern of the Bivalvia samples collected from 12 stations in Gamak Bay in April, July, September and November from 2001 to 2006. A total of 28 species (226.72$pm$196.20 ind. m$^{-2}$) were identified. The COD has decreased from 3.30 mg L$^{-1}$ to 1.89 mg L$^{-1}$ level on average and especially, the COD of sediment has decreased from 21.51 mg g-dry$^{-1}$ to 16.99 mg g-dry$^{-1}$ level on average. Therefore, water quality level of Gamak Bay was improved from level 3 to 2. The dominant species over 1.0 percentages were composed of the total 13 species, and they occupied 96.75% of the total density of the Bivalvia. Major dominant species was Musculista senhousia 100.38 ind. m$^{-2}$ (22.16%), Moerella rutila 69.00 ind. m$^{-2}$ (15.23%), Theorafragilis 49.70 ind. m$^{-2}$ (10.97%), Mytilus edulis 42.18 ind. m$^{-2}$ (9.31 %), and Raphia undulata 40.99 ind. m$^{-2}$ (9.05%). This area could be divided into three groups by the cluster analysis based on the total species composition.
 
Ű¿öµå
Gamak Bay;Bivalvia;water quality;Musculista senhousia;
 
ȯ°æ»ý¹° / v.26, no.4, 2008³â, pp.279-291
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200820258463192)
¾ð¾î : Çѱ¹¾î
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