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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.1, 2004³â, pp.75-82
Å뿵 ¹Ù´Ù¸ñÀå ÇØ¿ªÀÇ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ °èÀýÀû º¯È­
( Seasonal Variation of Heterotrophic Bacteria of the Marine Ranching Ground of Tongyeong Coastal Water, Korea )
±è¸»³²;ÀÓ¾ÆÇö;ÀÌÁøÈ¯;±èÁ¾¸¸; »ó¸í´ëÇб³ »ý¹°Çаú;»ó¸í´ëÇб³ »ý¹°Çаú;»ó¸í´ëÇб³ »ý¹°Çаú;Çѱ¹Çؾ翬±¸¿ø;
 
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2000³âºÎÅÍ 2002³â±îÁö Å뿵 ¹Ù´Ù¸ñÀå ÇØ¿ª 5°³ Á¤Á¡Ç¥Ãþ¼ö¿Í ÀúÃþ¼ö¿¡¼­ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ °³Ã¼¼ö¸¦ ÆòÆÇ°è¼ö¹ýÀ¸·Î ÃøÁ¤ÇÏ¿© Á¾¼Ó¿µ¾ç¼¼±Õ±ºÁýÀÇ °èÀýº° º¯µ¿ÃßÀ̸¦ ºñ±³ ºÐ¼®Çϰí, ¿ìÁ¡Á¾À» ¼±º°ÇÏ¿© µ¿Á¤ÇÏ¿´´Ù. 7¿ù°ú 8¿ùÀÇ ÇÏÀý±â¿¡ ä¼öÇÑ ÇØ¼ö¿¡´Â º½ ȤÀº °¡À» ¹× °Ü¿ï¿¡ ä¼öÇÑ ÇØ¼ö¿¡ ºñÇÏ¿© ¸ðµç Á¤Á¡¿¡¼­ ÈξÀ ´õ ¸¹Àº Á¾¼Ó¿µ¾ç¼¼±ÕÀÌ °ËÃâµÇ¾ú´Ù. ÀúÃþ¼ö¿¡ ºñÇÏ¿© Ç¥Ãþ¼ö¿¡¼­ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ ¼ö°¡ ´õ ¸¹¾ÒÀ¸³ª µ¿Àý±â(2001³â 12¿ù°ú 2002³â 2¿ù)¿¡´Â ÇØ¼ö ¿Âµµ°¡ ³·À¸¸ç ÇØ¼öÀÇ ´ë·ù°¡ ´À·ÁÁü¿¡ µû¶ó ºÎÀ¯¹°ÁúÀÌ ÀúÃþ¿¡ ÃàÀûµÇ´Â °ü°è·Î ÀúÃþ¼öÀÇ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ ¼ö°¡ Ç¥Ãþ¼öÀÇ °æ¿ì º¸´Ù ¿ÀÈ÷·Á ´õ ¸¹ÀÌ °ËÃâµÇ¾ú´Ù ÇØ¼ö ³» Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ ¼ö¿Í ÅÂdzÀÇ ºóµµ´Â ¶Ñ·ÇÇÑ »ó°ü°ü°è¸¦ º¸ÀÌÁö ¾Ê¾Æ ÅÂdzÀÇ ºóµµ À̿ܿ¡ ÅÂdzÀÇ Áø·Î¿Í °­µµ ¹× ÅÂdzÀ» ¼ö¹ÝÇÏ´Â ÁýÁß È£¿ì¿Í ÇØ¼öÀÇ ¿Âµµ º¯È­°¡ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ ¼ö¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù. Å뿵 ¹Ù´Ù¸ñÀå ÇØ¿ªÀÇ Á¾¼Ó¿µ¾ç¼¼±ÕÀÇ ¿ìÁ¡Á¾Àº Pseudomonas fluorescens, Pseudomonas stutzeri, Acinetobucter lwoffii ¹× Sphingomonas paucimobilis·Î µ¿Á¤µÇ¾ú´Ù.
Surface and bottom sea water samples were harvested from the 5 stations in the marine ranching ground of Tongyeong coastal water from year 2000 to 2002. Cell number of heterotrophic bacteria was determined by using the plate counting method to explore the variation of the cell population of heterotrophic bacteria. Sea water samples collected in summer (in July and August) contained much larger number of heterotrophic bacteria than those harvested in spring, autumn and winter. Heterotrophic bacteria were usually more abundant in surface sea than in bottom sea water. However the reverse was true for sea water collected in December 2001 and February 2002 due to suspended solids accumulating more abundantly in seabed area because of the slower convective current of the sea water in winter. Number of heterotrophic bacteria did not have a strong relationship with frequency of typhoon indicating that the path and powerfulness of the typhoon, localized torrential downpour and temperature variation accompanying the typhoon should be considered all together at the same time as well as the frequency of typhoon to explain clearly the variation of cell number of heterotrophic bacteria. The dominant species isolated from the marine ranching ground of Tongyeong were identified to be Pseudomonas fluorescens, Pseudomonas stutzeri, Acinetobacter lwoffii and Sphingomonas paucimobilis.
 
Ű¿öµå
heterotrophic bacteria;surface water;bottom water;marine ranching ground of Tongyeong coast;
 
ȯ°æ»ý¹° / v.22, no.1, 2004³â, pp.75-82
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922293052)
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