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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.24, no.4, 2006³â, pp.372-379
ÀÎõ ¿¬¾È¿¡¼­ ¿ÍÆí¸ð·ù Noctizuca scintillansÀÇ ½Ã°£Àû º¯µ¿°ú »ýÅÂÇÐÀû Ư¼º
( Temporal Fluctuation and Ecological Characteristics of Noctiluca scintillans (Dinophyceae) in the Coastal Waters of Incheon, Korea )
À¯Á¤±Ô;À±¼®Çö;ÃÖÁß±â; (ÁÖ)ÀÌ¿£¾¾ ±â¼ú¿¬±¸¼Ò;±¹¸³¼ö»ê°úÇпø µ¿Çؼö»ê¿¬±¸¼Ò;ÀÎÇÏ´ëÇб³ ÇØ¾çÇаú;
 
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Noctiluca scintillansÀÇ ½Ã°£Àû º¯µ¿°ú »ýÅÂÇÐÀû Ư¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇØ N. scintillansÀÇ ÇöÁ¸·®°ú ¼ö¸®-»ý¹°ÇÐÀû ¿äÀο¡ ´ëÇÑ Á¶»ç°¡ 1999³â 1¿ùºÎÅÍ 2000³â 12¿ù±îÁö ÀÎõ ¿¬¾È¿¡¼­ ¼öÇàµÇ¾ú´Ù. N. scintillans´Â ¼ö¿Â $10.3{sim}21.5^{circ}C$ ¹üÀ§¸¦ º¸ÀÎ Ãá°è ¹× Ãß°è¿¡ ÃâÇö °³Ã¼¼ö°¡ ³ô¾ÒÀ¸¸ç µ¿°è ¹× Çϰ迡 ³·¾Ò´Ù. µ¿°è¿¡´Â $4.5^{circ}C$ÀÌÇÏ ¼ö¿Â¿¡¼­ ÃâÇöÀÌ Á¦ÇѵǴ °ÍÀ¸·Î º¸À̸ç Çϰ迡´Â °í¿Â°ú ³ôÀº °­¿ì·®¿¡ µû¸¥ ±Þ°ÝÇÑ ¿°ºÐ °¨¼Ò°¡ Á¦ÇÑ¿äÀÎÀ¸·Î ÆÇ´ÜµÈ´Ù. ±³Â÷ »ó°üºÐ¼®¿¡¼­ ¿±·Ï¼Ò a ³óµµ´Â N. scintillans °³Ã¼¼ö¿Í 10ÀÏ ½Ã°£ Áö¿¬¿¡¼­ À¯ÀÇÇÑ »ó°ü°ü°è¸¦ ³ªÅ¸³Â´Ù. ÀÌ´Â ½Ä¹°ÇöûũſÀÌ N. scintillans °³Ã¼±º Áõ°¡¿¡ Áß¿äÇÑ ¿äÀÎÀÌ µÉ ¼ö ÀÖÀ½À» ¾Ï½ÃÇÑ´Ù. Ãá°è¿¡ Àüü °³Ã¼¼öÀÇ $2.9{sim}21.1%$ÀÇ N. scintillans¿¡¼­ ¿ä°¢·ù ƯÈ÷ Acartia hongi ¾ËÀÌ °üÂûµÇ¾ú´Ù. ÀÌ´Â µ¿ÀÏ ½Ã±â¿¡ A. hongi°¡ »ý»êÇØ³½ ¾ËÀÇ $1.2sim49.5%$¿¡ ÇØ´çÇÏ´Â °ÍÀÌ´Ù. µû¶ó¼­ N. scintillans´Â ÀÎõ ¿¬¾È¿¡¼­ A. hongiÀÇ Ãʱ⠼ºÀå ´Ü°èÀÇ °³Ã¼±º Å©±â¿¡ ¿µÇâÀ» ¹ÌÄ¥ °ÍÀ¸·Î ÃßÃøµÈ´Ù.
In order to study temporal fluctuation and ecological characteristics of Noctiluca scintillans, its abundance was investigated in correlation with water temperature, salinity, precipitation, chlorophyll a concentration and copepods abundance in the coastal waters of Incheon from January 1999 to December 2000. N. scintillans was seasonally abundant during spring and autumn with temperature ranging from 10.3 to $21.5^{circ}C$, but depleted in winter and summer. Low temperature below $4.5^{circ}C$ in winter and low salinity due to high rainfall in summer led N. scintillans to disappear. A Cross Correlation Analysis (CCA) showed that chlorophyll a concentration was positively correlated with abundance of N. scintillans at the time lags of 10 days. This suggests that phytoplankton may be a contributing factor for increasing abundance of N. scintillans. During spring, eggs of Acartia hongi were found in 2.9 to 21.1% of individuals of N. scintillans. It was deduced that 1.2 to 49.5% of the eggs produced by A. hongi was preyed upon by N. scintillans. Therefore, N. scintillans may control the population size of initial developmental stage of A. hongi in the costal waters of Incheon.
 
Ű¿öµå
Noctiluca scintillans;temperature;rainfall;chlorophyll a;Acartia hongi eggs;
 
ȯ°æ»ý¹° / v.24, no.4, 2006³â, pp.372-379
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634516374537)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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