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ȯ°æºÐ¼®ÇÐȸÁö 'ȯ°æºÐ¼®°ú µ¶¼ºº¸°Ç(ISSN 2672-0175, eISSN 2672-1139)'Àº ȯ°æµ¶¼ºº¸°ÇÇÐȸ¿Í °øµ¿À¸·Î ¹ß°£Çϸç,

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2001
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ÇÑ°­¼ö°è¿¡¼­ÀÇ ³ìÁ¶·ù ÇöȲÁ¶»ç¿¡ °üÇÑ ¿¬±¸ ÀÌÀ缺¡¤¹ÚµÎÇö+¡¤ÀÌ´ë½Ä¡¤Á¤ÁöÇü Çѱ¹°úÇбâ¼ú¿¬±¸¿ø ¼öÁúȯ°æ¿¬±¸¼¾ÅÍ, ¼­°æ´ëÇб³ »ý¹°°øÇаú A study on the chlorophyat of water quality in the Han river Jae Seong Rhee, Doo Heon Park+, Dae Sik Lee and Ji Hyung Jung Water Environmental Research Center, KIST Sungbuk-gu Hawulgok-dong, Seoul 136-791, Korea +Department of Biological Engineering, Seokyeong University Jungneung-Dong Sungbuk-Ku 16-1, Seoul, 136-704, Korea As the result of industrialization the nutrients containing nitrogen and phosphorous were discharged to ambient water stream blooming green algaes during hot summer. Some green algaes is notorious for toxic compounds such as microcystin or nodularin from microcysis. The distribution of algae around ambient water stream would bring forth strong impact on our ecosystem. As the species classification, bacillariophyceae, chlorophyceae, cyanophyceae, xanthophyceae were major sorting group in our observation. According to our measurement with optical microscope, there were much difference between the sample collected on August and that of October in the area of major species and intensities of algae. For better understanding our ecosystem, the variation of algae meed to be monitored continueously in conjunction with other major environmental parameters. Key word : algae, microcystin, bacillariophyceae, chlorophyceae, cyanophyceae 1. ¼­·Ð ³ìÁ¶Çö»óÀ̶õ ºÎ¿µ¾çÈ­µÈ È£¼Ò³ª À¯¼ÓÀÌ ´À¸° ÇÏõ¿¡¼­ ºÎÀ¯¼ºÀÇ Á¶·ù(½Ä¹°ÇöûÅ©Åæ)°¡ ´ë·® Áõ½ÄÇÏ¿© ¼ö¸é¿¡ ÁýÀûÇÏ¿© ¹°»öÀ» ÇöÀúÇÏ°Ô ³ì»öÀ¸·Î º¯È­½ÃÅ°´Â Çö»óÀ» °¡¸®Å°´Â ¸»ÀÌ´Ù. Á¤Ã¼µÈ ÇÏõÀ̳ª È£¼Ò¿¡¼­ ¼ö¿ÂÀÌ »ó½ÂÇÏ°í ¹°¼ÓÀÇ ¿µ¾ç¿°·ù(Áú¼Ò, ÀÎ)°¡ ¸¹¾ÆÁö°Ô µÇ¸ç ³ì»öÀ̳ª ³²»öÀ» ¶è ½Ä¹°¼ºÇöûÅ©ÅæÀÎ Á¶·ù°¡ °ú´Ù ¹ø½ÄÇÏ´Â Çö»óÀ¸·Î ÁÖ·Î À帶ÀÌÈÄ¿¡ ÁýÁßÀûÀ¸·Î ÃÊ·¡Çϱ⵵ ÇÏ°í ÇÞºµÀ» Â÷´ÜÇÏ¿© ¹°À» ½â°Ô Çϱ⵵ ÇÏ¸ç ¾ÇÃë°¡ ¹ß»ýÇÏ°í Á¤¼öó¸®ÀåÀÇ ¿©°ú±â´É ÀúÇϸ¦ ÃÊ·¡ÇÑ´Ù. ³ìÁ¶´Â ½Ã°¢Àû ¿µÇâ, °øÁßÀ§»ý»ó ¹®Á¦, »ýÅÂÇÐÀû¿µÇâ, µ¿¹°°Ç°­¿¡ ¹ÌÄ¡´Â ¿µÇâ, ±×¸®°í »ó¼ö¿ø¿¡ ¹ÌÄ¡´Â ¿µÇâ µî ¸¹Àº ¹®Á¦Á¡ÀÌ ¹ß»ýÇϹǷÎ, À̸¦ ºÐ¼®ÇÏ°í, Á¦¾îÇÏ´Â ¹æ¹ýÀº ¸Å¿ì Áß¿äÇÏ°í ÇöÀç ³ìÁ¶¿¡ °üÇÑ ¿¬±¸´Â ¸¹ÀÌ ÀÌ·ç¾îÁö°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â 2000³â 8¿ù°ú 10¿ù¿¡ °ÉÃÄ ÇÑ°­¼ö°èÀÇ ½Ã·á¸¦ äÃëÇÏ¿©, ³ìÁ¶¸¦ Á¾·ùº°·Î ºÐ¼®ÇÏ°í, Çö¹Ì°æ»çÁøÀ» ÃøÁ¤ÇÏ¿´´Ù. 2. Àç·á ¹× ¹æ¹ý 2.1 ½Ã·áäÃë ½Ã±â ¹× ¹æ¹ý 2000³â 8¿ù, 10¿ù¿¡ ÇÑ°­¼ö°è¿¡¼­ ½Ã·á¸¦ äÃëÇÏ¿´´Ù. äÃëÁöÁ¡¿¡¼­ äÃë¹æ¹ýÀº ÇÑ°­¼ö°è¸¦ µû¶ó ¸ðÅͺ¸Æ®¸¦ ÀÌ¿ëÇÏ¿© À̵¿Çϸç äÃëÇÏ¿´´Ù. Àá½Ç´ë±³¸¦ ±âÁØÀ¸·Î ¼Ò¾ç´ï¿¡¼­ õȣ´ë±³±îÁö¸¦ »ó·ù·Î, Àá½ÇÀÌÇÏ ¼º»ê´ë±³±îÁö¸¦ ÇÏ·ù·Î ÇÏ¿© ½Ã·á¸¦ äÃëÇÏ¿´´Ù. ½Ã·áäÃë´Â °¢ ÁöÁ¡¿¡¼­ »óÃþ°ú ÇÏõÀÇ ÃÖÇÏÃþÀÇ 1m À§¸¦ äÃë ÁöÁ¡À¸·Î ÇÏ¿© Van-Dorn ä¼ö±â¸¦ »ç¿ëÇÏ¿© ä¼öÇÏ¿´´Ù. ½Ã·á´Â 2L ¹«±Õ Æú¸® ¿¡Æ¿·» ä¼öº´¿¡ äÃëÇÏ¿´À¸¸ç äÃë ÈÄ 4¡É ³ÃÀ庸°ü ÈÄ ºÐ¼®ÇÏ¿´´Ù. äÃëÁöÁ¡Àº ´ÙÀ½°ú °°´Ù. (Table 1) 2.2 ¼öÁúºÐ¼® ½Ã·áÁß¿¡ Æ÷ÇÔµÈ Á¶·ù¸¦ Æ÷¸£¸»¸°À¸·Î °íÁ¤ÇÏ¿© ½ÇÇè½Ç·Î ¿î¹ÝÇÏ¿© ±¤ÇÐÇö¹Ì°æÇÏ¿¡¼­ ÇüÅÂÇлóÀ¸·Î ºÐ·ùÇÏ¿´´Ù. ½Ã·á 100mL¿¡ äÁýº´¿¡ ´ã°í, Æ÷¸£¸»¸° ¿ë¾×À» 200¥ìL³Ö¾î ½Ã·áÁß¿¡ Æ÷ÇÔµÈ Á¶·ù¸¦ °íÁ¤ÇÑ´Ù. °íÁ¤µÈ ½Ã·á¸¦ ½Ç¸°´õ ¿ë±â¿¡ ³Ö°í 24½Ã°£ Á¤Ä¡ÇÏ¿© ½Ã·áÀ§ÀÇ »óµî¾×À» µû¶ó³»¾î 20mL·Î ¸¸µé°í, ´Ù½Ã ÀÌ°ÍÀ» ¿ø½ÉħÀü°ü¿¡ ³Ö°í, ¿ø½ÉºÐ¸®±â¸¦ »ç¿ëÇÏ¿© 1500g¿¡¼­ 30ºÐ°£ ¿îÀüÇÏ¿© ½Ã·áÀ§ÀÇ »óµî¾×À» ¹ö¸®°í ħÀüµÈ ½Ã·á¸¦ ½½¶óÀ̵å±Û¶ó½º¿¡ ½Ã·á¸¦ µµ¸»ÇÑ ÈÄ 21mm¡¿21mm Å©±âÀÇ Ä¿¹ö±Û¶ó½º¸¦ µ¤°í Çö¹Ì°æ¿¡ ÀåÄ¡ÈÄ 100¡­1000¹è ½Ã¾ß¿¡¼­ ¼¼Æ÷ÀÇ ÇüÅÂ¿Í ³»ºÎ±¸Á¶ µîÀ» °Ë°æÇÏ¿© ÇüÅÂÇлóÀ¸·Î ºÐ·ùÇÏ¿´´Ù. 3. °á°ú 3.1 8¿ù äÃëÇÑ ½Ã·áÀÇ ³ìÁ¶ ºÐ¼® äÃëÇÑ ½Ã·á¸¦ Ç¥Ãþ¼ö¿Í ÇÏÃþ¼ö·Î ºÐ·ùÇÏ¿© ¼öÁßÀÇ ³ìÁ¶¿¡ °üÇØ ½ÇÅÂÁ¶»ç¸¦ ÇÏ¿´´Ù. 8¿ù¿¡ äÃëÇÑ ½Ã·á¸¦ ºÐ¼®ÇÑ °á°ú, ½Ã·áÁß Á¶·ù´Â Ç¥Ãþ¼ö¿¡¼­´Â Bacillariophyceae °¡ ÃÑ48°³ 7Á¾ÀÌ °Ë°æµÇ¾úÀ¸¸ç, ¸ðµç ½Ã·á¿¡¼­ Melosira sp. °¡ ¹ß°ßµÇ¾ú´Ù. Chlorophyceae ´Â ÃÑ 29°³ 11Á¾ÀÌ °Ë°æµÇ¾ú°í, Cyanophyceae ´Â ÃÑ 10°³ 6Á¾, Xanthophyceae ´Â 2°³ Á¤Á¡¿¡¼­ 1Á¾ÀÌ °Ë°æµÇ¾ú´Ù. XanthophyceaeÀº Á¶»ç Á¤Á¡Áß ¹Ì»ç¸®¿Í ¼º»ê´ë±³¿¡¼­ Tribonema sp. ¼ÓÀÌ °Ë°æµÇ¾ú´Ù. Chlorophyceae´Â °¡Àå ¸¹Àº Á¾ÀÎ 11°³Á¾ÀÌ °Ë°æµÇ¾úÀ¸³ª, ÃÑ 29°³°¡ ¹ß°ßµÇ¾î Á¾ÀÇ ¼ö´Â ¸¹¾ÒÁö¸¸ 9°³ Á¤Á¡¿¡¼­´Â Á¾ÀÌ °Ë°æµÇ¾îÁöÁö ¾Ê¾Æ¼­ ÆíÁߵǾîÁö´Â °æ