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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.3, 2000³â, pp.355-365
´ëûȣÀÇ ¼öÁú°ú ½Ä¹°Çöûũſ ÇöÁ¸·®
( Water Quality and Phytoplankton Standing Crops in the Daechung Reservoir )
ÀÌÁøÈ¯;¿ÀÈñ¸ñ;¸ÍÁÖ¼±; »ó¸í´ëÇб³ »ý¹°Çаú;»ý¸í°øÇבּ¸¼Ò ȯ°æ»ý¹°¼ÒÀ翬±¸½Ç;¼­°­´ëÇб³ »ý¸í°úÇаú;
 
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º» ¿¬±¸´Â 1998³â 5¿ùºÎÅÍ 11¿ù±îÁö ´ëûȣÀÇ 2°³ Á¤Á¡ Ç¥¤ýÁߤýÀúÃþ¿¡¼­ ¼öÁú°ú ÀÏÂ÷»ý»êÀ» ³ªÅ¸³»´Â ½Ä¹°Çöûũſ ÇöÁ¸·®°úÀÇ °ü°è¸¦ ±Ô¸íÇϱâ À§ÇÏ¿© ¹°¸®¤ýÈ­ÇÐÀû ȯ°æ¿äÀÎ(¼ö¿Â, ¿ëÁ¸»ê¼Ò·®, pH, Åõ¸íµµ, ÃÑÁú¼Ò, Áú»ê¿°, ¾ÆÁú»ê¿°, ¾Ï¸ð´Ï¾Æ, ÃÑÀÎ, Àλ꿰, ¿ëÁ¸ÃÑÀÎ, ÃÑÀ¯±âź¼Ò, ºÎÀ¯¹°Áú), ½Ä¹°Çöûũſ ÇöÁ¸·®, chlorophyll-aÀÇ ³óµµ¸¦ Á¶»çÇÏ¿´´Ù. ¿µ¾ç¿°·ù(¾ÆÁú»ê¿°, Áú»ê¿°, ¾Ï¸ð´Ï¾Æ ¹× Àλ꿰)°¡ °ú°Å¿¡ ºñÇÏ¿© Áõ°¡µÇ¾úÀ¸¸ç, ÃÑÁú¼Ò, ÃÑÀÎ,chlorophyll-a ¹× Åõ¸íµµ´Â ºÎ¿µ¾çÈ­ÀÇ ±âÁØÄ¡¸¦ ÃʰúÇÏ¿© ´ëûȣÀÇ ¼öÁúÀº ½ÉÇÑ ºÎ¿µ¾çÈ­ ¼ö¿ªÀ¸·Î ÆÇ¸íµÇ¾ú´Ù. ½Ä¹°Çöûũſ ÇöÁ¸·®Àº 7¿ù°ú 8¿ùÀÇ Á¤Á¡ 1À» Á¦¿ÜÇÏ°í ³âÁß ´ë¹ß»ýÀ» À¯ÁöÇϰí ÀÖ¾úÀ¸¸ç, º½Ã¶ ´ë¹ß»ýÀº ¾ÆÁú»ê¿°, Áú»ê¿° ¹× Àλ꿰ÀÇ ¿µÇâÀÌ Å« °ÍÀ¸·Î ÆÇ¸íµÇ¾ú´Ù. Chlorophyll-aÀÇ ³óµµ´Â ½Ä¹°Çöûũſ ÇöÁ¸·®ÀÇ ¿ùº° º¯µ¿°ú ´ëºÎºÐ °°Àº °æÇâÀ¸·Î º¯È­ÇÏ¿´´Ù. ¿©¸§Ã¶¿¡ ³ôÀº ºÎÀ¯¹°ÁúÀº À帶±âÀÇ °­¿ì¿¡ µû¸¥ °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç, ƯÈ÷ 8¿ùÀÇ ¸¹Àº Á¾¼Ó¿µ¾ç ¼¼±Õ¼ö´Â ³ôÀº ¼ö¿Â°ú À帶½Ã ÁÖº¯ ¼ö¿ªÀ¸·ÎºÎÅÍ À¯ÀÔµÈ °¢Á¾ À¯±â¿µ¾ç¿°·ùÀÇ À¯ÀÔ¿¡ µû¸¥ ´ë·®Áõ½ÄÀ¸·Î ÃßÁ¤µÈ´Ù.
In order to study the relationship between water quality and phytoplankton standing crops, the authors investigated the physicochemical factors, phytoplankton standing crops and chlorophyll-a at two stations in the Daechung Reservoir during the period from May to November 1998. Nutrients (nitrite, nitrate, ammonia and phosphate) have gradually increased more than those of the previous reports. Concentrations of the total nitrogen, phosphorus, chlorophyll -a and transparency exceeded the standard value of eutrophication. It could be assumed that the eutrophication of the Daechung reservoir was caused by various pollutants. Chlorophyll-a concentration was under the influence of phytoplankton standing crops, but very tiny cell-sized blue-green algae were less important in regards to the chlorophyll-a. Except at station 1 from July to August, phytoplankton standing crops bloomed during the time of the survey. Spring phytoplankton blooms caused by nitrate and phosphate in the surface layer. High concentrations of the suspended solids in July and August were caused by an inflow of them due to heavy rains. Density of heterotrophic bacteria was high in August owing to the high water temperatures and the organic nutrients which were from the nearby reservoir.
 
Ű¿öµå
Chlorophyll-a;Daechung reservoir;eutrophication;phytoplankton standing crops;water quality;
 
ȯ°æ»ý¹° / v.18, no.3, 2000³â, pp.355-365
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921491953)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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