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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.35, no.2, 2002³â, pp.103-110
ÀÓÁø°­ ¼ö¿ªÀÇ ÀÚ¿¬ ÇÏÀûÈ£ ÀåÁ¸ø¿¡¼­ ½Ä¹°Çöûũſ ±ºÁýÀÇ °èÀýÀû º¯È­
( Seasonal Changes of the Phytoplankton Community at Jangjwa Lake, a Natural River Bed Lake in the Imjin River )
À±¼÷°æ;À̰æ; °¡Å縯´ëÇб³ »ý¸í°úÇкÎ;°¡Å縯´ëÇб³ »ý¸í°úÇкÎ;
 
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°æ±âµµ ÆÄÁֽà Àû¼º¸é ÀåÁ¸®¿¡ À§Ä¡ÇÑ ÀÚ¿¬ ÇÏÀûÈ£ÀÎ ÀåÁ¸øÀ» ´ë»óÀ¸·Î ÀÌÈ­ÇÐÀû ȯ°æ¿äÀÎ ¹× ½Ä¹°Çöûũſ¿¡ ´ëÇÑ Á¶»ç°¡ 2000³â 7¿ùºÎÅÍ 2001³â 4¿ù±îÁö °èÀýº°·Î ½Ç½ÃµÇ¾ú´Ù. ÃÑ ÃâÇöÇÑ ½Ä¹°ÇöûũſÀº 112Á¾·ù·Î 5¹®¿¡ ¼ÓÇÏ´Â 83Á¾. 30º¯Á¾, 1º¯Ç°Á¾, 1ǰÁ¾, 17¹Ìµ¿Á¤Á¾À¸·Î ±¸¼ºµÇ¾ú´Ù. Á¶»ç ½Ã±â Àü¹Ý¿¡ °ÉÃÄ ³ìÁ¶·ù ¹× µ¹¸»·ùÀÇ ÃâÇöºóµµ°¡ ³ô°Ô ³ªÅ¸³µ´Ù. ½Ä¹°Çöûũſ ÇöÁ¸·®Àº 2001³â 1¿ù $5,742{ imes}10^3;cells/l$ÀÇ ÃÖ°íÄ¡¸¦ ³ªÅ¸³»¾úÀ¸¸ç 2001³â 4¿ù $2,943{ imes}10^3;cells/l$ÀÇ ÃÖÀúÄ¡¸¦ ³ªÅ¸³»¾ú´Ù. ½Ä¹°Çöûũſ ÇöÁ¸·®Àº ³â Áß $3,000{ imes}10^3;cells/l$ÀÌ»óÀÇ ´ë¹ß»ýÀ» ³ªÅ¸³»¾úÀ¸¸ç °Ü¿ïö¿¡ ÃÖ°íÄ¡¸¦ ³ªÅ¸³»¾ú´Ù. ÁÖ¿ä ¿ìÁ¡Á¾À¸·Î´Â Aulacoseira granulata, Chlamyodomonas nivalis v. kobayasii, Dinobryon sertularia, Mougeotia sp., Uroglenopsis americana µîÀ» º¼ ¼ö ÀÖ¾úÀ¸¸ç À̵é Áß ³·Àº ¼ö¿Â¿¡¼­ ÁÖ·Î ÃâÇöÇÏ´Â Chlamydomonas nivalis v. kobayasii´Â °Ü¿ïöÀÇ ÁÖ¿ä ¿ìÁ¡Á¾À¸·Î ³ªÅ¸³µ´Ù.
Seasonal changes of the phytoplankton community was investigated from July 2000 to April 2001 at the river bed lake, Jangjwa Lake in the Imjin River, which appeared to be the most natural condition. A total of phytoplankton were composed of 112 taxa, belonging to 5 divisions,83 species, 10 varieties,1 variety-form, 1 form and 17 unidentified species. Of those, the green algae and the diatoms were present during the investigation periods more frequently then the other taxa. The phytoplantton standing crops varied from $2,943{ imes}10^3;cells/l$ on April 2001 to $5,742{ imes}10^3;cells/l$ on January 2001. The phytoplankton standing crops had a continuous high value over $3,000{ imes}10^3;cells/l$ during the investigated periods and showed the highest value during winter period. The major dominant species were Aulacoseira granulata, Chlamydomonas nivalis v. kobayasii, Dinobryon sertularia, Mougeotia so. and Uroglenopsis americana. Among those, Chlamydomonas nivalis v. kobayasii was a major dominant species during winter period.
 
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Phytoplankton;Standing crops;River bed lake;Jangjwa Lake;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.35, no.2, 2002³â, pp.103-110
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218317179497)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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