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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.34, no.4, 2001³â, pp.277-284
´ëûȣ¿¡¼­ ½Ä¹°Çöûũſ Å©±â¿¡ µû¸¥ ¿±·Ï¼Ò ³óµµÀÇ °èÀýÀû º¯È­
( Seasonal Fluctuation of Chlorophyll a Concentration in the Size Fractionation of Phytoplankton in Daechung Reservoir )
¹®Á¾Àü;ÀÌ»ó¿í;Ȳ¼øÁø;¿ÀÀÎÇý; ¹èÁ¦´ëÇб³ »ý¸í°úÇкÎ;¹èÁ¦´ëÇб³ »ý¸í°úÇкÎ;°Ç±¹´ëÇб³ Áö¿ª»ýŽýºÅÛ°øÇаú;¹èÁ¦´ëÇб³ »ý¸í°úÇкÎ;
 
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¿©·¯ Áö¿ªÀÇ È£¼Òȯ°æ¿¡¼­ picoplanktonÀÌ Áß¿äÇÑ ÀÏÂ÷ »ý»êÀÚ·Î º¸°íµÇ°í Àִµ¥ ´ëûȣ¿¡¼­ À̸¦ Á¶»çÇϱâ À§ÇÏ¿© 1998³â 9¿ùºÎÅÍ 1999³â 9¿ù±îÁö ½Ä¹°Çöûũſ Å©±â¿¡ µû¸¥ ¿±·Ï¼Ò ³óµµÀÇ °èÀýÀû º¯È­¸¦ Á¶»çÇÏ¿´´Ù. $200;{mu}m$ÀÌÇÏÀÇ ½Ä¹°ÇöûũſÀº ´ëÀüÃë¼öž¿¡¼­ $0.7{sim}36.9;{mu}g/l$, ¸¸ÀԺο¡¼­ $0.5{sim}23.5;{mu}g/l$ȸ³²´ë±³¿¡¼­ $1.9{sim}20.1;{mu}g/l$ ´ëû´ï¿¡¼­ $0.5{sim}17.4;{mu}g/l$À̾ú´Âµ¥, Á¶»çÁöÁ¡ 4°÷¿¡¼­ ¸ðµÎ 9¿ù¿¡ ÃÖ´ëÄ¡¸¦ ³ªÅ¸³»¾úÀ¸¸ç ±× ÀÌÈÄ´Â ¼­¼­È÷ °¨¼ÒµÇ¾î $4{sim}6$¿ù¿¡ ÃÖ¼Ò°ªÀ» º¸ÀÌ´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù. °èÀý¿¡ µû¸¥ ¿±·Ï¼Ò ³óµµÀÇ Å©±âº° Á¶¼ººñÀ²À» º¸¸é, ¿¬Áß microplankton°ú nanoplankton Á¶¼ººñÀ²Àº Å« º¯À̸¦ º¸¿´´Âµ¥, ȸ³² ´ë±³¸¦ Á¦¿ÜÇÑ Á¶»çÁö¿ª 3°÷¿¡¼­ $6{sim}10$¿ù¿¡´Â microplanktonÀÇ ºñÀ²ÀÌ ³ô¾ÒÀ¸³ª 3¿ù¿¡´Â Á¶¼ººñÀ²ÀÌ ¸Å¿ì ³·Àº °æÇâÀ» º¸¿´´Ù. ±×·¯³ª Á¶»çÁö¿ª 4°÷ ¸ðµÎ¿¡¼­ picoplanktonÀº ¿¬Áß $2.0{sim}24.3%$·Î °ÅÀÇ ÀÏÁ¤ÇÏ¿´´Ù.
Since a substantial part of the total planktonic primary production is due to the activity of the picoplankton, seasonal change of chlorophyll a in the picoplankton, nanoplankton and microplankton was determined at four locations in Daechung Reservoir from September in 1998 to September in 1999. Chlorophyll a concentration (<$200;{mu}m$) was $0.7{sim}36.9;{mu}g/l$ In TAE (Taejeon site), $0.5{sim}23.5;{mu}g/l$ in MAN (Man site), $1.9{sim}20.1;{mu}g/l$ in HOE (Hoenam site), and $0.5{sim}17.4;{mu}g/l$ in DAM (Dam site). Generally it was observed the highest concentration of chlorophyll a was in September and the lowest in April to June. The relative contribution of chlorophyll a of each fraction was changed dramatically through the year. Relative contribution of chlorophyll a of microplankton was high from June to October, and low in March in all locations except HOE. However chlorophlyll a concentration of picoplankton fraction was $2.0{sim}24.3%$ of total chlorophyll a (<$200;{mu}m$) through the year and did not show any dramatic changes at all locations.
 
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Daechung Reservoir;Chlorophyll a concentration;microplankton;nanoplankton;picoplankton;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.34, no.4, 2001³â, pp.277-284
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200118317178635)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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