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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no., 2004³â, pp.86-92
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( Correlations and Seasonal Variations of Marine Viral Abundances, Bacterial Abundances and Concentration of Chlorophyll-$alpha$ in Gwangyang Bay )
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±¤¾ç¸¸³» Æò±Õ ÇØ¾ç ¹ÙÀÌ·¯½º ¾çÀº 2.0${ imes}$$10^{8}$ particles ml$^{-1}$·Î ¸Å¿ì dzºÎÇß´Ù. °¢ °èÀýº° ¹ÙÀÌ·¯½ºÀÇ ¹Ðµµ´Â ¿©¸§¿¡ ÃÖ´ë 9.0${ imes}$$10^{8}$ particles ml$^{-1}$, °Ü¿ï¿¡´Â ÃÖ¼ÒÀÎ 0.7${ imes}$$10^{6}$ particles ml$^{-1}$À» ±â·ÏÇß´Ù. ±¤¾ç¸¸³»ÀÇ ¹ÙÀÌ·¯½º, ¹ÚÅ׸®¾Æ, ½Ä¹°Çöûũſ »ý¹°·®ÀÇ °ø°£Àû ºÐÆ÷´Â ¿Ü¸¸ ÇØ¿ª¿¡ ÇØ´çÇÏ´Â Á¤Á¡ 28, 38, 42, 46, 51¿¡¼­ º¸´Ù ³»¸¸ ÇØ¿ª¿¡ ÇØ´çÇÏ´Â Á¤Á¡ 2, 5, 10, 12, 16, 20¿¡¼­ ¸¹Àº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ ³»¸¸ ÇØ¿ª¿¡ ÇØ´çÇÏ´Â Á¤Á¡ 22, 26, 32, 34´Â ³ôÀº ¹ÙÀÌ·¯½º ¹Ðµµ¸¦ º¸¿´Áö¸¸ »ó´ëÀûÀ¸·Î ¿Ü¸¸ ÇØ¿ª¿¡ ºñÇØ¼­ ³·Àº ¹ÚÅ׸®¾Æ¿Í ½Ä¹°ÇöûũſÀÇ »ý¹°·®À» ³ªÅ¸³Â´Ù. ¸î¸î Á¤Á¡ÀÇ ¼ö½É ±íÀÌ¿¡¼­´Â ¹ÚÅ׸®¾ÆÀÇ ¹Ðµµ°¡ ¹ÙÀÌ·¯½ºÀÇ ¹Ðµµ¸¦ 100¹è Á¤µµ ÃʰúÇß´Ù. ÇØ¾ç ¹ÙÀÌ·¯½º¿Í ±×µéÀÇ ¼÷ÁÖ »ý¹°ÀÇ ¹Ðµµ´Â °èÀý¿¡ µû¶ó º¯È­ÇßÀ¸¸ç, ±×µéÀÇ °èÀýº° º¯È­´Â ¼­·Î ¹ÐÁ¢ÇÑ »óÈ£¿¬°ü¼ºÀ» °¡Á³´Ù. ¿©¸§¿¡ ¹ÙÀÌ·¯½º¿Í ¹ÚÅ׸®¾ÆÀÇ ¹Ðµµ´Â Áõ°¡µÈ ¹Ý¸é ½Ä¹°ÇöûũſÀÇ ¿±·Ï¼Ò $alpha$ ³óµµ´Â Æò±Õ°ªÀ» À¯ÁöÇÏ¿´´Ù. °Ü¿ï¿¡´Â ¹ÙÀÌ·¯½º¿Í ¹ÚÅ׸®¾ÆÀÇ ¹Ðµµ°¡ ±Þ¼ÓÇÏ°Ô ÁÙ¾îµé¾ú°í, ¸¶Âù°¡Áö·Î ¿±·Ï¼Ò $alpha$ÀÇ ³óµµ ¿ª½Ã °¨¼ÒÇÏ´Ù°¡, °ð ´Ù½Ã Áõ°¡Çß´Ù. ¹ÙÀÌ·¯½ºÀÇ ¹Ðµµ´Â 2001³â 8¿ù¿¡ ÃÖ°íÁ¡¿¡ µµ´ÞÇßÀ¸¸ç, ¹ÚÅ׸®¾ÆÀÇ ¹Ðµµ´Â 2001³â 8¿ù°ú 2002³â 6¿ù¿¡ ÃÖ°í°ªÀ» °¡Á³´Ù. ¹Ý¸é¿¡ ¿±·Ï¼Ò $alpha$ÀÇ ³óµµ´Â 2002³â 4¿ù¿¡ ÃÖ´ëÄ¡¿¡ µµ´ÞÇß´Ù. Àüü ¼÷ÁÖ¿Í ¹ÙÀÌ·¯½º ¹Ðµµ·Î º¼ ¶§, ±×µéÀÇ ¸ÔÀ̻罽Àº ¹ÙÀÌ·¯½º¿¡ ÀÇÇÑ »ç¸ê¿¡ ÀÇÇØ¼­ ÆòÇü »óÅ·ΠÀ¯ÁöµÇ°í, ¹ÙÀÌ·¯½ºÀÇ ¹Ðµµ ¶ÇÇÑ ÆòÇü »óŸ¦ À¯ÁöÇÏ´Â °ÍÀ¸·Î º¸¿´´Ù. ÀÌ·¯ÇÑ ½Ãµµ´Â ¿ì¸®³ª¶ó ±¤¾ç¸¸ ³»¿¡ Á¸ÀçÇÏ´Â ÇØ¾ç ¹ÙÀÌ·¯½ºÀÇ »ýÅÂÀû ºÐÆ÷ ¿¬±¸¸¦ ´Ù·ç´Â ù ¹øÂ° ½ÇÇèÀ¸·Î »ç·áµÈ´Ù.
The marine viral density in the Gwangyang Bay was abundant about 2.0${ imes}$10$^{8}$ particles ml$^{-1}$ . For each season, viral abundances were recorded from 9.0${ imes}$10$^{8}$ particles ml$^{-1}$ in summer to 0.7${ imes}$10$^{6}$ particles ml$^{-1}$ in winter. The spatial distributions of the viral, bacterial and phytoplankton biomass in the Gwangyang Bay were mostly highey in closed estuarine system (Station 2, 5, 10, 12, 16, 20) than open ocean system (Station 28, 38, 42, 46, 51), And the othey closed estuarine system (Station 22, 26, 32, 34) indicated higher viral abundances, lower bacterial and plankton biomass than open oceanic system. In depths of some stations, the bacterial abundances exceeded a hundred fold than viral abundances. Seasonal abundances of marine viruses and their host systems were dynamically changed, and their seasonal variations were closely correlated. In summer, viral and bacterial abundances were increased, and phytoplankton chlorophyll $alpha$ concentrations were maintained in average values. In winter, viral and bacterial abundances were dramatically decreased, and chlorophyll a concentrations were decreased, but, immediately increased. The viral abundances were peaked in August 2001, and bacteyial abundance, in August 2001 and June 2002, while chlorophyll a concentrations were peaked in April. 2002. In total host and viral abundances, it was seemed that their pools were maintained to steady-states by viral mortality, and viral abundance maintained steady-states. In our assessments, this report is a unique research about marine viral ecology of the Gwangyang Bay in Korea.
 
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viruses;bacteria;chlorophyll a;epifiuorescence microscopy;SYBR Gold;Gwangyang Bay;
 
ȯ°æ»ý¹° / v.22, no., 2004³â, pp.86-92
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922292948)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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