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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.37, no.3, 2004³â, pp.263-271
ü·ù½Ã°£ÀÌ ¼­·Î ´Ù¸¥ ºÎ¿µ¾ç ¼ö°è¿¡¼­ Çöûũſ±ºÁýÀÇ »ýÅÂÇÐÀû Ư¼º
( Community Structure of Plankton in Eutrophic Water Systems with Different Residence Time )
ÀÌ¿í¼¼;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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ü·ù½Ã°£ÀÌ ¼­·Î ´Ù¸¥ µÎ ºÎ¿µ¾ç ¼ö°è¿¡¼­ ¹Ì¼Ò¸ÔÀ̸ÁÀÇ »ýÅÂÇÐÀû Á¤º¸¸¦ ÆÄ¾ÇÇϰíÀÚ, ±âÃÊÀû ȯ°æ¿äÀΰú bacterioplankton ¹× nanoplanktonÀÇ ÇöÁ¸·® ¹× ź¼Ò»ýü·®À» °¢°¢ Á¶»çÇÏ¿´´Ù. Á¶»ç±â°£µ¿¾È µÎ ¼ö°è °øÈ÷ °­¿ì´Â ÁÖ·Î 7¿ù¿¡¼­ 9¿ù¿¡ ÁýÁßÇÏ¿´À¸¸ç, ¼ö¿Â ¿ª½Ã Å« Â÷ÀÌ´Â ¾ø¾ú´Ù. µÎ ¼ö°èÀÇ Çöûũſ ±ºÁýÀº °øÈ÷ Àú¿Â±â µ¿¾È¿¡´Â ºñ±³Àû ¼¼Æ÷Å©±â°¡ Å« nanoplanktonÀÌ ¿ìÁ¡ÇÑ ¹Ý¸é, °í¿Â±â µ¿¾È¿¡´Â ¼ÒÇü bacterioplanktonÀÌ ³ôÀº ÇöÁ¸·®À» ³ªÅ¸³Â´Ù. ±×·¯³ª ºñ±³Àû ¼ö°è°¡ ¾ÈÁ¤µÈ ¼®ÃÌÈ£¼ö¿¡¼­´Â °­¿ì¿¡ Å« ¿µÇâÀ» ¹ÞÁö ¾ÊÀº ¹Ý¸é, °æ¾Èõ¿¡¼­ nanoplanktonÀº ÇöÁ¸·®Àº ¹°·Ð ź¼Ò»ýü·®ÀÇ ´Ù¾çÇÑ º¯È­¸¦ º¸¿´´Ù. µÎ ¼ö°èÀÇ ¹Ì¼¼¸ÔÀ̸ÁÀº ¼®ÃÌÈ£¼ö¿¡¼­´Â ¹ÚÅ׸®¾Æ¿Í phytoplankton ¶Ç´Â cyanobacteria°£¿¡ ¹ÐÁ¢ÇÑ ºÐÆ÷ °ü°è¸¦ º¸ÀÎ ¹Ý¸é, °æ¾Èõ¿¡¼­´Â ¹ÚÅ׸®¾Æ¿Í protist »çÀÌ¿¡ ¶Ñ·ÇÇÑ ¸ÔÀ̰ü°è¸¦ º¸¿´´Ù. ¶ÇÇÑ °æ¾Èõ¿¡¼­ °³Ã¼¼ö¿Í ź¼Ò»ýü·®°£ÀÇ ºñ´ëĪÀûÀÎ Çö»óÀÌ ¶Ñ·ÇÇÏ¿´´Ù. µû¶ó¼­ °æ¾ÈõÀÇ ¹Ì¼¼¸ÔÀ̸ÁÀº ¼ö¿ÂÀ̳ª ¿µ¾ç¹°Áúº¸´Ù °­¿ì¿¡ ÀÇÇÑ ºü¸¥ ü·ù½Ã°£¿¡ ÀÇÇØ °­ÇÏ°Ô ¿µÇâÀ» ¹Þ°í ÀÖÁö¸¸, ¾ÈÁ¤µÈ ¼ö°è¿¡ ºñÇØ bacterioplanktonº¸´Ù nanoplanktonµéÀÇ ³ôÀº ¼ºÀå°ú Á¾ ´Ù¾ç¼ºÀ» À¯µµÇÏ¿´´Ù.
To collect the basic ecological information about the microbial food webs in eutrophic water system with different residence time, the monthly variation of bacterioplankon (bacteria and small-sized cyanobacteria) and nanoplankton (phytoplankton and protists) were examined from December 2000 to September 2001. Kyungan stream is shorter in resident time (ca.5.4 d) than Seokchon reservoir (ca.72 d), even though they showed the same pattern in precipitation. With the basic environments, we examined the biomass (standing crops and its carbon content) of each plankton collected from the surface water. Large-sized planktons flourished in the time of low temperature, while small planktons were in the time of the high temperature period. Especially, in the Kyungan stream with much disturbance by rainfall and outflow, high diversity showed in term of species and cell morphology, compared to that of Seokchon lake. The time-lag relationship remarkably showed between phytoplankton and bacteria in Seokchon reservoir, and between protists and bacteria in Kyungan stream, respectively.
 
Ű¿öµå
Microbial food web;bacterioplankton;nanoplankton;residence time;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.37, no.3, 2004³â, pp.263-271
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200418317183116)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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