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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.37, no.1, 2004³â, pp.106-111
Polecat Creek À¯¿ªÀÇ ºÐº¯¼º ´ëÀå±Õ ¹èÃâ ºÎÇÏ Æ¯¼º
( Fecal Coliform Bacteria Loading from the Polecat Creek Watershed in Virginia, USA )
;ÀÓ»óÁØ; ¹öÁö´Ï¾Æ ÁÖ¸³ °ø°ú´ëÇÐ »ý¹°½Ã½ºÅÛ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸ºÎ;
 
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ºÐº¯¼º ´ëÀå±Õ(Fecal coliform bacteria)Àº ¹Ì±¹ ¹öÁö´Ï¾ÆÁÖÀÇ ¼öü¿¡ À־ ÁÖ¿ä ¿À¿°¿ø ÁßÀÇ ÇϳªÀÌ´Ù. 1995³âºÎÅÍ 2000³â±îÁöÀÇ Polecat creekÀ¯¿ªÀÇ 4°³ ÃøÁ¤ÁöÁ¡¿¡ ´ëÇÏ¿© ÇÏõ¼öÀÇ ºÐº¯¼º´ëÀå±Õ ³óµµ¸¦ Á¶»çÇÏ¿´´Ù. Á¶»ç±â°£ µ¿¾È¿¡ ÃøÁ¤µÈ ºÐº¯¼º ´ëÀå±Õ ³óµµÀÇ Áß¾Ó°ªÀº 80 cfu/100mLºÎÅÍ 170 cfu/100mL±îÁö º¯È­ÇÏ¿´À¸¸ç, ±âÇÏÆò±ÕÀº 81cfu/100mLºÎÅÍ 141 cfu/100mLÀÇ ¹üÀ§¸¦ º¸¿´´Ù. CarolineÈ£ÀÇ ¼öü¿¡ ÀÇÇÑ Èñ¼®°ú ħÀü µîÀÇ ¿µÇâÀ¸·Î ÃøÁ¤ÁöÁ¡ QPBÀÇ ºÐº¯¼º ´ëÀå±Õ ³óµµ°¡ ÁÖº¯ÀÇ ÃøÁ¤ÁöÁ¡ÀÎ QPDº¸´Ù ³·°Ô ³ªÅ¸³µ´Ù. °èÀýº°·Î´Â ¿©¸§Ã¶(6${sim}$8¿ù)¿¡ ºñ±³Àû ³ôÀº ³óµµ¸¦ º¸ÀÎ ¹Ý¸é¿¡ °Ü¿ïö(12${sim}$82¿ù)¿¡´Â »ó´ëÀûÀ¸·Î ºÐº¯¼º ´ëÀå±ÕÀÇ ³óµµ°¡ ³·°Ô Á¶»çµÇ¾ú´Ù. ÀÌ´Â ¿©¸§Ã¶ ±â°£µ¿¾È¿¡ °¡Ãà°ú ¾ß»ýµ¿¹°µéÀÌ ÇÏõ¿¡¼­ º¸³»´Â ½Ã°£ÀÌ ¸¹±â ¶§¹®¿¡ ÀÌµé µ¿¹°ÀÇ ºÐºñ¹°ÀÌ Á÷Á¢ ÇÏõÀ¸·Î À¯ÀԵǸç, ³·Àº ¿Âµµº¸´Ù´Â ³ôÀº ¿Âµµ¿¡¼­ ´ëÀå±ÕÀÇ »ýÀå°ú ¹ø½ÄÀÌ È°¹ßÇϱ⠶§¹®ÀÌ´Ù. º» ¿¬±¸ÀÇ °á°ú·ÎºÎÅÍ ºÐº¯¼º ´ëÀå±Õ°ú °°Àº ¹Ì»ý¹°ÀÇ Á¶»ç´Â Á¶»ç¸ñÀû¿¡ µû¶ó ÃøÁ¤½Ã±â¸¦ °áÁ¤ÇÏ´Â °ÍÀÌ ÃøÁ¤¿¡ ÀÇÇÑ ¿ÀÂ÷¸¦ ¹èÁ¦ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
Fecal coliform bacteria is one of the most common cause of water quality impairments in Virginia, USA. Instream concentrations of fecal coliform (FC) bacteria were routinely monitored to assess surface water quality of the Polecat Creek watershed. Median concentration in water samples collected from 1995 to 2000 ranged from 80 cfu/100 mL to t 70 cfu/100 mL, while geometric mean concentrations ranged from 81 cfu/100 mL to 141 cfu/100 mL. The dilution and deposition by Lake Caroline may cause to lower FC concentration at monitoring site QPB, as compared FC concentration at QPD. Higher in-stream FC concentration occurred during the summer period(June-August), and lower concentration typically occurred during the winter period (December-February). This is due to more cattle in streams, and greater survival and regrowth of FC bacteria under warmer condition. The findings of this study can be helpful in planning the water quality monitoring program to avoid the inaccurate assessment of water quality due to the timing of sample collection.
 
Ű¿öµå
fecal coliform;bacteria contamination;geometric mean;seasonal variability;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.37, no.1, 2004³â, pp.106-111
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200418317182458)
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