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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.35, no.3, 2002³â, pp.187-197
¾Æ»êÈ£ÀÇ »ýÅÂÇÐÀû ¿¬±¸ 2.½Ä¹°Çöûũſ ±ºÁý ±¸Á¶
( Ecological Studies on the Asan Reservoir. 2. Phytoplankton Community Structure )
±è¿µ±æ;½ÅÀ±±Ù; ±º»ê´ëÇб³ ÇØ¾çÁ¤º¸°úÇаú;»óÁö´ëÇб³ ȯ°æ°øÇаú;
 
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¾Æ»êÈ£¿¡¼­ 1997³â 3¿ùºÎÅÍ 1997³â 11¿ù±îÁö 6ȸ¿¡ °ÉÃÄ ½Ä¹°Çöûũſ ±ºÁý±¸Á¶¸¦ ÆÄ¾ÇÇϱâ À§ÇÑ ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. 19°³ Á¤Á¡¿¡¼­ °üÂûµÈ ½Ä¹°Çöûũſ ºÐ·ù±ºÀº ÃÑ 204Á¾±ºÀ¸·Î, °¢ ºÐ·ù±ºº° ÃâÇöºñ´Â ³ìÁ¶·ù 51%, ±ÔÁ¶·ù 29%, cyanobacteria 12%, ¿ÍÆí¸ðÁ¶·ù°¡ 2%, À¯±Û·¹³ª·ù 4%, ±âŸ Æí¸ðÁ¶·ù°¡ 2% À̾ú´Ù. ½Ä¹°ÇöûũſÀÇ ÇöÁ¸·®Àº 741ce11s/m¶¼¼­ 613,066ce11s/mlÀÇ ¹üÀ§·Î ¸Å¿ì ³ôÀº ¼öÁØÀ¸·Î ³ªÅ¸³µ´Ù. ÇöÁ¸·®Àº 7¿ù¿¡ °¡Àå ³ô¾Ò°í 9¿ù, 6¿ù, 3¿ù, 11¿ù, 5¿ù ¼øÀ¸·Î ³ªÅ¸³µ´Ù. °èÀý¿¡ °ü°è¾øÀÌ Áö¼ÓÀûÀ¸·Î ³ìÁ¶»óÅÂÀÎ °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç, ³ìÁ¶¿øÀλý¹°Àº Micractium pusillum, Stephandiscus hantzschii, Dictyospharium pulchellum, cryptomonad (> 20 ${mu}$, Microcystis aeruginosa, Oscillatoria tenuis, Oscillatoria sp., Aphanocapsa sp. Euglena sp., Volvox aureus À̾ú´Ù. ¿©¸§Ã¶¿¡ cyanobacteria¿¡ ÀÇÇÑ ³ìÁ¶Çö»óÀÌ ÇöÀúÇÏ¿´´Ù. ½Ä¹°ÇöûũſÀÇ Á¾´Ù¾ç¼ºÀº 0.13${sim}$ÀÇ ¹üÀ§·Î ½Ã${cdot}$°ø°£ÀûÀ¸·Î Â÷À̰¡ ¸Å¿ì ÄÇ´Ù. Áý±« ºÐ¼®ÇÑ °á°ú Àü¹ÝÀûÀ¸·Î ¾Æ»êÈ£ ÇÏ·ù¼ö¿ª°ú »ó·ù¼ö¿ª Åõ °³ÀÇ ¼ö¿ªÀ¸·Î ±¸ºÐÀÌ µÇ¾ú´Ù.
To analyze the structure of phytoplankton community of the Asan Reservoir in Korea, samples were collected 6 times from March to November in 1997. A total of 204 phytoplanklon species were identified from the samples of 19 stations. Green algae dominated the phytoplankton community, accounting for 51% of species number, followed by diatoms (29%), cyanobacteria (12%), dinoflagellates (2%) ,euglenoids (3%) and other flagellates (3%). Standing stocks of phytoplankton were very high in the range of 741-613,066 cells/ml, with the highest standing stock in July. Water Booms seemed to occur in the Asan Reservoir regardless of seasons, with water bloom-causing species being Micractium pusillum, Stephanodiscus, hantzschii, Dictyospharium pulchellum, cryptomonad(> 20 ${mu}$m), Microcystis aeruginosa, Oscillatoria tenuis, Oscillatoria sp., Aphanocapsa sp. Euglena sp., Volvox aureus. In the summer, cyanobacteria dominated algal bloom. Species diversity of phytoplankton community in the reservoir was in the range of 0.13 ${sim}$ 3.20, and showed much difference temporally and spatially. The cluster analysis identified two different regions of upstream area and downstream area for the Asan Reservoir.
 
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Asan Reservoir;phytoplankton community structure;standing stock;water bloom-causing species;cyanobacteria;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.35, no.3, 2002³â, pp.187-197
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218317179851)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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