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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.34, no.3, 2001³â, pp.166-174
½Ä¹°ÇöûũſÀÇ ¼¼Æ÷¿Ü¹èÃâÀ¯±â¹°À» °í·ÁÇÑ ¼Ò¾çÈ£ÀÇ 1Â÷»ý»ê°ú À¯±â¹° ºÎÇÏ
( Organic Matter Sources in a Reservoir (Lake Soyang); Primary Production of Phytoplankton and DOC, and External Loading )
³²±ÃÇö;Ȳ±æ¼ø;ÃÖ±¤¼ø;±èö±¸;±è¹üö; °­¿ø´ëÇб³ ȯ°æ°úÇаú;³ó¾÷±â¹Ý°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;°­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ ȯ°æ°úÇаú;
 
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¼Ò¾çÈ£·Î À¯ÀԵǴ À¯±âź¼Ò·®À» ÃøÁ¤ÇÏ¿´À¸¸ç, À¯±âź¼Ò ºÎÇÏ·®¿¡ ´ëÇÑ À¯±â¹° ±â¿øÀÇ ±â¿©µµ¸¦ °è»êÇϱâÀ§Çؼ­ ³»ºÎ»ý¼ºÀ¯±âź¼Ò¿Í ¿ÜºÎ±â¿øÀ¯±âź¼Ò¸¦ ÃøÁ¤ÇÏ¿´´Ù. ³»ºÎ»ý¼ºÀ¯±âź¼Ò´Â EOC¸¦ °í·ÁÇÑ ½Ä¹°ÇöûũſÀÇ 1Â÷»ý»ê·ÂÀ¸·ÎºÎÅÍ °è»êÇÏ¿´À¸¸ç, ¿ÜºÎ±â¿øÀ¯±âź¼Ò´Â À¯ÀÔ¼öÀÇ À¯±âź¼Ò ³óµµ¿Í ¾ç¾îÀåÀÇ À¯±âź¼Ò ¹èÃâ·®À¸·ÎºÎÅÍ ±¸ÇÏ¿´´Ù. 1Â÷»ý»ê·ÂÀº °¡µÎ¸® ¾ç½ÄÀåÀÌ ¼³Ä¡µÈ 1987°ßºÎÅÍ Áõ°¡ÇÏ¿© 1995°ß°¡Áö ³ôÀº ºÐÆ÷¸¦ º¸¿´À¸¸ç °¡µÎ¸®°¡ ö°ÅµÈ 1998³â ÀÌÈÄ ±Þ°ÝÈ÷ °¨¼ÒÇÏ¿´´Ù. ³»ºÎ»ý¼ºÀ¯±âź¼Ò¿Í ¿ÜºÎ±â¿øÀ¯±âź¼ÒÀÇ ºÎÇÏ´Â ¿©¸§Ã¶¿¡ ÁýÁߵǾúÀ¸¸ç, 7${sim}$9¿ù¿¡ ¿¬°£ ºÎÇÏ·®ÀÇ 43.2%¿Í 71.7%°¡ °¢°¢ À¯ÀԵǾú´Ù. 1Â÷»ý»ê·ÂÀº ¿©¸§Ã¶¿¡ $1,000;mgC;m^{-2};d^{-1}$ ÀÌ»óÀ¸·Î Áõ°¡ÇÏ¿´À¸¸ç °Ü¿ïö¿¡ ºñ±³Àû³·¾Ò´Ù. ½Ä¹°ÇöûũſÀÇ EOC¹èÃâÀ²µµ 1Â÷»ý»êÀÌ Áõ°¡ÇÏ¿© ¼öüÀÇ DOC³óµµ°¡ ³ôÀº ¿©¸§Ã¶¿¡ ³ô¾Ò´Ù. ÀüüÁ¶»ç±â°£µ¿¾È ³»ºÎ»ý¼º°ú ¿ÜºÎ±â¿øÀ¯±â¹°ÀÇ Æò±ÕÀûÀÎ ±â¿©µµ´Â °¢°¢ ÃѺÎÇÏ·®ÀÇ 53.6%¿Í 46.4%¸¦ Â÷ÁöÇÏ¿´´Ù. EOC ¹èÃâÀ²Àº 1Â÷»ý»ê·ÂÀÇ 4.4${sim}$21.2%¸¦ Â÷ÁöÇÏ¿´À¸¸ç, 1Â÷»ý»ê·Â »êÁ¤¿¡¼­ ½Ä¹°ÇöûũſÀÇ EOC ¹èÃâÀ²ÀÌ °í·ÁµÇ¾î¾ß ÇÒ °ÍÀ¸·Î º¸ÀδÙ.
The autochthonous and allochthonous organic carbon loading were measured in Lake Soyang, to estimate the amount of carbon loading into the lake and the contribution of their sources to tile lake's carbon loading. Autochthonous carbon loading was estimated from phytoplankton primary production with the extracellular organic carbon (EOC). Allochthonous loading was determined by measuring dissolved organic carbon (DOC) and particulate organic carbon (POC) concentration in the main inflowing Soyang River. Both autochthonous and allochthonous organic carbon loading were high during the svmmer, from July to September, and accounted for 43.2% and 71.7% of the annual loading, respectively. Primary productivity was elevated up to $1,000;mgC;m^{-2};d^{-1}$ during summer and lowest in winter. EOC production from phytoplankton was also large in summer, resulting in a high DOC concentration in the lake water. Primary production of phytoplankton and allochthonous organic matter loading from the watershed contributed to 53.6% and 46.4% of total loading, respectively. The EOC production accounted far $4.4{sim}21.2%$ of POC primary production, implying that EOC production of phytolankton must be considered in estimation of primary production
 
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Primary production;EOC;Organic carbon loading;Lake Soyang;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.34, no.3, 2001³â, pp.166-174
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200118317177579)
¾ð¾î : Çѱ¹¾î
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