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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.36, no.1, 2003³â, pp.48-56
³²¸ÅÁöÀÇ ¼öȯ°æ ¿äÀΰú ½Ä¹°ÇöûũſÀÇ °èÀýÀûÀÎ º¯µ¿
( Seasonal Variations of Water Environment Factors and Phytoplankton in Nammae Reservoir )
¹ÚÁ¤¿ø;ÀÌ¿µ¿Á;±è¹Ì°æ; ¿µ³²´ëÇб³ ÇØ¾ç°úÇבּ¸¼¾ÅÍ;´ë±¸´ëÇб³ »ý¹°Çаú;¿µ³²´ëÇб³ ÇØ¾ç°úÇבּ¸¼¾ÅÍ;
 
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°æºÏ °æ»ê½Ã¿¡¼­ ³ó¾÷¿ë¼ö·Î ÀÌ¿ëµÇ´Â ³²¸ÅÁöÀÇ 3°³ Á¤Á¡À» ¼±Á¤ÇÏ¿© 2000³â 3¿ùºÎÅÍ 2001³â 2¿ù±îÇÏ¿´´Ù. ´Ù¾çÇÑ ÀÌÈ­ÇÐÀû ȯ°æ¿äÀΰú ½Ä¹°ÇöûũſÀÇ ¿±·Ï¼Ò a, b, a ³óµµ ¹× ÇöÁ¸Áö ¸Å¿ù1ȸ Á¶»ç·®ÀÇ »óÈ£°ü°è¸¦ ÅëÇØ ³²¸ÅÁö »ýŰèÀÇ °èÀýÀû º¯È­¸¦ ÆÄ¾ÇÇÏ¿´´Ù. ¿±·Ï¼Ò a, b¿Í cÀÇ ³óµµ°¡ 6¿ù¿¡ Á¤Á¡ 1¿¡¼­ °¢°¢ ÃÖ°íÄ¡ (295nlg/1, 9.Smg/1, 48mg/1)¸¦ ³ªÅ¸³Â°í, ½Ä¹°ÇöûũſÀº ÇöÁ¸·®ÀÌ Á¤Á¡ 3¿¡¼­ ¿©¸§¿¡ °¡Àå ³ô¾Ò´Ù(7¿ù: $1.7{ ime}10^5$scells/1). ¼ö¿Â ºÐÆ÷´Â $7{sim}37.4^{circ}C$ ¹üÀ§ À̾ú´Ù. ¼ö¼ÒÀ̿ ³óµµ´Â 8¿ù¿¡ $9.9{sim}10.1$ ¹üÀ§·Î ÃÖ°íÄ¡¸¦ ³ªÅ¸³Â°í, ÃÖÀú´Â 7·Î¼­ 9¿ùÀ̾ú´Ù. SSÀú´ÂÀÇ ÃÖ´ë ¹× ÃÖ Á¤Á¡ 1¿¡¼­ 6¿ù°ú 11¿ù¿¡ °¢°¢ 308 mg/1, 4 mg/1À̾ú´Ù. COD¿Í DOC´Â µ¿ÀÏÇÑ Á¤Á¡¿¡¼­ 6¿ù¿¡ °¢°¢ 33mg/1¿Í 16mg/1·Î ³ô¾Ò´Ù. ½Ä¹°ÇöûũſÀÇ ³²Á¶·ù Microcystis aeruginosa´Â 7${sim}$8¿ù¿¡, ³ìÁ¶·ù Scenedesmus acutus´Â 3${sim}$5¿ù°ú 11l${sim}$1¿ù¿¡, ±ÔÁ¶·ù Cyclotella orientalis´Â 10¿ù¿¡ °¢°¢°¡Àå ¿ìÁ¡Á¾ÇÏ¿´°í, ÀλêÀ̿°ú ±Ô»êÀÌ¿ÂÀÇ ³óµµ´Â ¿©¸§¿¡ ºñ±³Àû ³ôÀº ¹Ý¸é¿¡ °¡À»°ú °Ü¿ï¿¡ Àü¹ÝÀûÀ¸·Î ³·¾Ò´Ù. TSI´Â 16.6${sim}$86.4¹üÀ§·Î¼­ Àü Á¤Á¡ÀÌ ºÎ¿µ¾çÈ­ ȤÀº °ú¿µ¾çÈ­ »óÅÂÀ̾ú°í, À¯¿ª°ü¸®°¡ ¼±ÇàµÈ Áö¼ÓÀûÀבּ¸ÀÇ Çʿ伺ÀÌ ¿ä±¸µÇ¾ú´Ù.
This study was evaluated about the seasonal variations of ecosystem in Nammae Reservoir based on the interrelation of physico-chemical characteristics, nutrients, chlorophyll a, b, c and standing crops of phytoplanktons. The amounts of chlorophyll a, b, c were respectively maximum (295 mg/, 9.5mg/l and 48mg/l) at station 1 in June and the standing crop of phytoplanktons was the highest ($1.7{ ime}10^5$ cells/1) at stations 3 in July. The range of temperature was $7{sim}37.4^{circ}C$. The maxium of pH was $9.9{sim}10.1$ at all stations in August, the minimum was 7 in September. SS was maximum (308 mg/1) at station 1 in June, while it was minimum (4 mg/l) at the same station in November. The maximal COD and DOC were 33 mg/1 and 16 mg/1 respectively at station 1 in June. As for phytoplanktons, Microcystis aeruginosa, blue-green alga in July${sim}$August, Scenedesmus acutus, green alga in March${sim}$May and November${sim}$January and Cyclotella orientalis, Diatoms in October were dominant species. The amounts of P and Si were generally high in summer, they were low in autumn and winter. Nammae Reservoir assessed by trophic state index was eutrophicated and overtrophicated. These results indicated that Nammae Reservoir was faced with heavy water pollution. As preceding management for the basin of the Reservoir, it will have to be continually studied for an ecosystem reservation.
 
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Nammae Reservoir;physico-chemical characteristics;phytoplanktons;eutrophication;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.36, no.1, 2003³â, pp.48-56
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200318317180805)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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