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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.37, no.2, 2004³â, pp.193-204
È­¿ËÈ£ÀÇ ½Ä¹°Çöûũſ°ú ȯ°æ¿äÀÎ
( Phytoplankton and Environmental Factors in Lake Hwaong )
Á¤¹ÌÈñ;±èÈ£¼·;ÃÖûÀÏ;Ȳ¼øÁø; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ Áö±¸Çؾç°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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°æ±âµµ È­¼º½Ã ¼­ÇØ¾È Çϱ¸¿ª¿¡ Á¶¼ºµÈ °£Ã´ ÀΰøÈ£ÀÎ È­¿ËÈ£¿¡¼­ ½Ä¹°ÇöûũſÀÇ ±ºÁý º¯È­¿Í Á¾Á¶¼º, ÀÌ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀÎÀ» Æò°¡ÇϰíÀÚ 2002³â 6¿ù¿¡¼­ 11¿ù±îÁö È£³» 3°³ Á¤Á¡°ú È£¿Ü 1°³ Á¤Á¡¿¡¼­ ¿ùº° Á¶»ç ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. Á¶»ç±â°£ µ¿¾È 4°³ Á¤Á¡¿¡¼­ °üÂûµÈ ½Ä¹°ÇöûũſÀº ÃÑ 5°­ 8¸ñ 26°ú 63¼Ó 192Á¾À̾úÀ¸¸ç, ½Ä¹°ÇöûũſÀÇ ÃÑ ¹Ðµµ´Â °¢ Á¤Á¡ÀÇ Ç¥Ãþ¿¡¼­ 24${sim}$1,882cells $mL^{-1}$·Î ½Ã±â¿Í Á¤Á¡¿¡ µû¶ó º¯È­ÀÇ ÆøÀÌ ÄÇ´Ù. ½Ä¹°ÇöûũſÀÇ Ãѹеµ´Â ¿°ºÐµµ, pH, BOD, COD, SS, TN ¹× TPµî°ú À¯ÀÇÇÑ »ó°ü°ü°è°¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±ÔÁ¶·ùÀÇ ¹Ðµµ¿Í °ü°è°¡ ÀÖ´Â ¿äÀÎÀº ¿°ºÐ, SS, BOD, COD ¹× TNÀ¸·Î ³ªÅ¸³µ´Ù. ´Ù¼Ò Áö¿ªÀûÀÎ Â÷ÀÌ´Â ÀÖÀ¸³ª °Å¸®¿¡ µû¸¥ ³óµµ ±¸¹è°¡ ¿±·Ï¼Ò-a, ÃÑÀÎ ¹× ÃÑÁú¼Ò ¸ðµÎ¿¡¼­ ¶È°°ÀÌ ³ªÅ¸³²À¸·Î½á ¼±Çà°­¿ì·Î ÀÎÇÑ ¿µ¾ç¿°ÀÇ À¯ÀÔÀÌ ¾ÈÁ¤µÈ ½Ã±â¿¡ ½Ä¹°ÇöûũſÀÇ ¹ß´Þ·Î ³ªÅ¸³µ´Ù°í ÃßÁ¤µÇ¾ú´Ù. È­¿ËÈ£ ŵ¿±âÀÇ ½Ä¹°Çöûũſ ±ºÁý±¸Á¶´Â ÇØ¾ç¼º Á¶·ù, ƯÈ÷ ±ÔÁ¶·ù¿¡ ÀÇÇØ Á¿ìµÇ°í ÀÖÀ¸¸ç, À̵éÀÇ ½Ã ${cdot}$ °ø°£Àû º¯ÀÌ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀÎÀ¸·Î´Â ¿°ºÐµµ, °­¿ì»ç»ó, ¿µ¾ç¿° µîÀÌ Áß¿äÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸Àǰá°ú·Î ÆÇ´ÜÇÒ ¸Å È­¿ËÈ£ÀÇ ÇöÀç ȯ°æÀº ÇØ¼öÀÇ ±³È¯, Èñ¼®(°­¿ì»ç»ó)°ú ÇÏõÀ¸·ÎºÎÅÍ À¯ÀԵǴ ¿ÜºÎ±â¿ø ¿µ¾ç¿°¿¡ ÀÇÇØ Å©°Ô ¿µÇâÀ» ¹Þ´Â »óÅ·ΠÆò°¡µÈ´Ù.
This study was conducted to evaluate both temporal and spatial dynamics of phytoplankton community and environmental parameters in a newly made reclaimed esturine lake (L. Hwaong). Monthly sampling was conducted at 4 sites covering the longest transect of longitudinal gradient of the lake from June to November, 2002. Total 5 classes 8 orders 26 families 83 genus 192 species were identified at all study sites during the study period. Phytoplankton total cell density ranged 24${sim}$ 1,882 cells $mL^{-1}$ and highly varied both temporally and spatially. Total cell density was significantly related with salinity, pH, BOD, COD, SS, TN and TP concentration. Diatom density also was significantly correlated with salinity, SS, BOD, COD and TN concentration, Although there was spatial difference, a longtudinal gradient appeared in phytoplankton cell density, Chl-a, TN and TP concentration from the mouth of river in June and August. In conclusion, phytoplakton community structure was dominated by diatoms (Bacillariophyceae), and appeared to be largely influenced by salinity, precipitation, and nutrients during the summer and the fall.
 
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Lake Hwaong;phytoplanton;community dynamics;diatom;salinity;precipitation;nutrients;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.37, no.2, 2004³â, pp.193-204
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200418317182835)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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