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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.25, no.4, 2007³â, pp.303-312
2000$sim$2007³â Å뿵¹Ù´Ù¸ñÀåÇØ¿ª¿¡¼­ ȯ°æ¿äÀÎÀÇ ¿µÇâ¿¡ µû¸¥ ½Ä¹°Çöûũſ ÇöÁ¸·®ÀÇ º¯È­
( Variations of Phytoplankton Standing Crops Affecting by Environmental Factors in the Marine Ranching Ground of Tongyeong Coastal Waters from 2000 to 2007 )
Á¤½Â¿ø;±Ç¿ÀÀ±;ÁÖÇü¹Î;ÀÌÁøÈ¯; ÇѾç´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¸í°úÇаú;»ó¸í´ëÇб³ »ý¸í°úÇаú;Çѱ¹Çؾ翬±¸¿ø ºÎ¼³ ±ØÁö¿¬±¸¼Ò;»ó¸í´ëÇб³ »ý¸í°úÇаú;
 
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Å뿵 ¹Ù´Ù¸ñÀå ÇØ¿ª¿¡¼­ ½Ä¹°Çöûũſ ±ºÁý¿¡ ¹ÌÄ¡´Â ¹°¸® È­ÇÐÀû ȯ°æ¿äÀÎÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© 2000³â 4¿ùºÎÅÍ 2007³â 1¿ù±îÁö 10°³ Á¤Á¡ÀÇ Ç¥.ÀúÃþ¿¡¼­ °èÀýº° Á¶»ç¸¦ ¿øÄ¢À¸·Î ÃÑ 24ȸ Á¶»çÇÏ¿´´Ù. ¼ö¿ÂÀº °¢ °èÀýº° Â÷À̰¡ ¶Ñ·ÇÇÑ ÀüÇüÀûÀÎ ¿Â´ë¼º ±âÈÄÀÇ ¿µÇâÀ» ¹Þ°í ÀÖ¾úÀ¸¸ç, ¿°ºÐÀº Äí·Î½Ã¿À ³­·ùÀÇ ¿µÇâ¿¡ µû¸¥ °í¿°ºÐ°ú ¿©¸§Ã¶ À帶¿Í Æø¿ì¿¡ µû¶ó ³·Àº ¿°ºÐ³óµµ¸¦ º¸¿´´Ù. ºÎÀ¯¹°ÁúÀº Ç¥Ãþº¸´Ù ÀúÃþÀÌ ³ôÀº ³óµµ¸¦ º¸¿´À¸¸ç, Åõ¸íµµ´Â °èÀýº°·Î ¿©¸§Ã¶¿¡ 6.0 mÀÌ»óÀÇ ³ôÀº °ªÀ» º¸¿´´Ù. ¿µ¾ç¿°·ù Áß ¿ëÁ¸¹«±âÁú¼Ò, Àλ꿰, ±Ô»ê¿°ÀÇ °¢°¢ Æò±Õ 21.75 ${mu}M$, 0.90 ${mu}M$, 14.38 ${mu}M$À» º¸¿© Áß¿µ¾ç ÇØ¿ªÀ¸·Î ÆÇ´ÜµÈ´Ù. µû¶ó¼­ Å뿵¹Ù´Ù¸ñÀåÇØ¿ª¿¡¼­ ºÐ¼®µÈ ¿äÀε鿡 ´ëÇØ Á¤Á¡º° Â÷À̰¡ °ÅÀÇ ¾ø¾î µ¿ÀÏ ÇØ¿ªÀ¸·Î ÆÇ´ÜµÇ¾úÀ¸¸ç, Ç¥.ÀúÃþ°£Àº ¾Ï¸ð´Ï¾Æ¸¦ Á¦¿ÜÇÑ ¸ðµç Ç׸ñÀÌ Â÷À̸¦ º¸¿´°í, °èÀýº°·Îµµ ±¸º°µÇ¾ú´Ù. ½Ä¹°Çöûũſ ÇöÁ¸·®Àº °¡À»Ã¶¿¡ $4.36 imes10^5$ cells $L^{-1}$·Î °¡Àå ³ô¾ÒÀ¸¸ç, ´Ù¸¥ °èÀý¿¡´Â Æò±Õ $1.13 imes10^5$ cells $L^{-1}$·Î À¯»çÇÏ¿´´Ù. ÀϹÝÀûÀ¸·Î ¿Â´ë ¿¬¾È ÇØ¿ª¿¡¼­´Â º½Ã¶°ú °¡À»Ã¶¿¡ Áõ°¡¸¦ º¸ÀÌ´Â bimodal patternÀÌ ¹ß»ýµÇ³ª, º» ÇØ¿ª¿¡¼­´Â °¡À»Ã¶¿¡¸¸ Áõ°¡¸¦ º¸ÀÌ´Â unimodal patternÀ» ³ªÅ¸³»¾ú´Ù. ¿±·Ï¼Ò a´Â ½Ä¹°Çöûũſ ÇöÁ¸·®°ú º¯È­¾ç»ó°ú À¯»çÇÏ¿´À¸¸ç, ´Ù¸¥ °èÀý¿¡ ºñÇØ °¡À»Ã¶¿¡¸¸ ³ôÀº ³óµµ¸¦ º¸¿´´Ù. º» ÇØ¿ª¿¡¼­ Á¶»çµÈ ÀڷḦ ÀÌ¿ëÇÏ¿© ȸ±ÍºÐ¼®ÇÑ °á°ú ½Ä¹°Çöûũſ ÇöÁ¸·®¿¡ Å©°Ô ¿µÇâÀ» ¹ÌÄ¡´Â Áß¿ä ȯ°æ¿äÀεéÀº ¼ö¿Â ¹× ¿°ºÐÀÌ¸ç ¿µ¾ç¿°·ù Áß ±Ô¼Ò¿Í ÀÎÀÌ ¼ºÀå Á¦ÇÑ¿äÀÎÀ¸·Î ÀÛ¿ëÇÏ¿© ½Ä¹°Çöûũſ ±ºÁý¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ÆÄ¾ÇµÇ¾ú´Ù.
In order to investigate the dynamics of phytoplankton standing crops affecting by environmental factors, biological and environmental factors, this study was examined in the marine ranching ground of Tongyeong coastal waters from 2000 to 2007. During the study, mean water temperature and salinity were 16.7$^{circ}C$ and 32.9 psu, respectively. pH, DO and SS varied from 7.81$sim$8.09, 3.02$sim$8.97 mg $L^{-1}$ and 2.7$sim$32.2 mg $L^{-1}$, respectively. Mean concentrations of dissolved inorganic nitrogen, phosphate and silicate were 21.75 ${mu}M$, 0.90 ${mu}M$ and 14.38 ${mu}M$, respectively. Chlorophyll a concentrations varied from 0.02 ${mu}g$ $L^{-1}$ to 25.29 ${mu}g$ $L^{-1}$ with mean a value of 2.0 ${mu}g$ $L^{-1}$. These factors did show significant differences on each layer and season, while did not show on the sampling stations. Phytoplankton standing crops varied from $4.21 imes10^3$ cells $L^{-1}$ to $1.44 imes10^6$ cells $L^{-1}$ with a mean value of $1.92 imes10^5$ cells $L^{-1}$. Especially, variations of phytoplankton standing crops had an unimodal pattern as only bloomed in autumn rather than a bimodal pattern as generally bloomed in spring and autumn. In results of stepwise multiple regression analysis, the coefficient of determination $(R^2)$ for total standing crops was 0.35 and the standing crops were affected by water temperature, salinity, phosphate and silicate. The factors affected were different seasonally; water temperature in spring, salinity in summer, water temperature, salinity and silicate in autumn and water temperature, salinity and suspended solids in winter. Therefore, the results from the statistical analysis showed that the environmental factors influencing on the variations of the phytoplankton standing crops were predominantly water temperature and salinity.
 
Ű¿öµå
phytoplankton;environmental factors;statistical analysis;Tongyeong;marine ranching ground;
 
ȯ°æ»ý¹° / v.25, no.4, 2007³â, pp.303-312
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200714364665475)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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