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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.3, 2006³â, pp.296-309
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( Trophic State and Water Quality in Major Lakes of the Sumjin and Youngsan River Systems )
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Á¶»ç ½Ã±â µ¿¾È (2000~2004³â) ÁÖ¾ÏÈ£¿Í µ¿º¹È£¿¡¼­´Â °Ü¿ïÀ» Á¦¿ÜÇÑ ½Ã±â¿¡ Ç¥Ãþ°ú ÀúÃþÀÇ ¼ö¿ÂÂ÷ÀÌ·Î ÀÎÇØ¼ºÃþÈ­°¡ ¹ß»ýÇÏ¿´Áö¸¸ ¿µ»êÈ£¿¡¼­´Â ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. Åõ¸íµµ´Â ÁÖ¾ÏÈ£>µ¿º¹È£>¿µ»êÈ£ ¼øÀ¸·Î ¿µ»êÈ£¿¡¼­ ³·Àº Åõ¸íµµ¸¦ º¸¿´À¸¸ç ÁÖ¾ÏÈ£¿Í µ¿º¹È£¿¡¼­´Â ½Ä¹°ÇöûũſÀÇ »ý¹°·®ÀÌ ³ô°Ô ³ªÅ¸³ª´Â °¡À» ÀúÃþ¿¡´Â Àú»ê¼Ò»óÅ·Π¼öÁú ¾ÇÈ­¸¦ ³ªÅ¸³»¾ú´Ù. ¾Ï¸ð´Ï¾Æ, Áú»ê¿°, Àλ꿰 TN, TP´Â ÁÖ¾ÏÈ£¿Í µ¿º¹È£¿¡ ºñÇØ ¿µ»êÈ£¿¡¼­ ³ô°Ô ³ªÅ¸³µÀ¸³ª Ŭ·Î·ÎÇÊ a´Â Æò±ÕÀûÀ¸·Î µ¿º¹È£¿¡¼­ ³ô¾ÒÀ¸¸ç ¿µ»êÈ£¿¡¼­ ³·¾Ò´Ù. 3°³È£¼ÒÀÇ ¿©¸§, °¡À» ¿¬Æò±Õ ¿µ¾ç»óÅ´ Æò±ÕÀûÀ¸·Î ¿µ»êÈ£>µ¿º¹È£>ÁÖ¾ÏÈ£ ¼øÀ¸·Î ¿µ»êÈ£¿¡¼­ ³ô¾Ò´Ù. ÁÖ¾ÏÈ£¿Í µ¿º¹È£¿¡¼­´Â TSI (CHL)>TSI (SD)>TSI (TP) ¼øÀ¸·Î ³ªÅ¸³ª Á¶·ù¼ºÀå¿¡ ÀÖ¾î Àλ꿰ÀÌ Á¦ÇÑ¿µ¾ç¿°À¸·Î ÀÛ¿ëÇÒ °¡´É¼ºÀ» ³ªÅ¸³»¾úÀ¸¸ç ¿µ»êÈ£¿¡¼­´Â TSI (TP)>TSI (SD)>TSI (CHL) ¼øÀ¸·Î ³ªÅ¸³µ´Ù. ¿µ»êÈ£¿¡¼­´Â Àλ꿰¿¡ ÀÇÇÑ Á¦ÇѺ¸´Ù´Â ʵµ Áï ±¤·®¿¡ ÀÇÇÑ Á¦ÇÑÀÌ ½Ä¹°ÇöûũſÀÇ ¼ºÀå¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ÁÖ¾ÏÈ£´Â ºó, Áß¿µ¾çÀ» º¸¿´À¸¸ç, µ¿º¹È£¿¡¼­´Â Áß, ºÎ¿µ¾çÀ» ¿µ»êÈ£¿¡¼­´Â ºÎ, °ú¿µ¾çÀ» º¸¿´´Ù.
This study aimed to analyze water quality (temperature, secchi depth, DO, $NH_4$, $NO_3$, $PO_4$, TN, TP, chlorophyll a) and trophic state index during the period of year 2000 ${sim}$ 2004 in Lake Juam, Lake Dongbok and Lake Youngsan. Lakes Juam and Dongbok except Lake Youngsan were stratified during warm seasons. Water turbidity estimated by secchi disk depth was the highest in Lake Youngsan compared with other lakes. DO concentrations were low in the bottom water when chlorophyll a was high in Lake Juam and Dongbok. Nutrient concentrations were higher in Lake Youngsan than other lakes whereas chlorophyll a was highest in Lake Dongbok. Lake Youngsan was the most eutrophic compared to other two lakes based on the Trophic State Idex (TP) and TSI (SD), The TSI (CHL) was high but the TSI (TP) were low in Lake Juam and Dongbok. These results suggest phytoplankton may be limited by phosphates (P) in Lake Juam and Dongbok whereas light availability in the water column may affect growth of phytoplankton in Lake Youngsan.
 
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.3, 2006³â, pp.296-309
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317187394)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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