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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.3, 2000³â, pp.347-353
±Ý°­ ¼ö°è¿¡¼­ ½Ä¹°ÇöûũſÀÇ ÇöÁ¸·®¿¡ °üÇÑ ¿¬±¸
( Standing Crops of Freshwater Phytoplankton in Kumgang River, Korea )
À̼®±¸;ºÎ¼º¹Î; Ãæ³²´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;Ãæ³²´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;
 
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±Ý°­ ¼ö°è¿¡¼­ ½Ä¹°Çöûũſ ÇöÁ¸·® º¯È­¸¦ ¾Ë±â À§ÇÏ¿© Çöµµ, ¸¶¾Ï, Àå¾Ï, ³ªÆ÷¿¡¼­ 1998³â 10¿ùºÎÅÍ 1999³â 9¿ù±îÁö ¸Å¿ù 1ȸ ä¼öÇÏ¿© ½Ä¹°Çöûũſ ÇöÁ¸·®À» Á¶»çÇÏ¿´´Ù. ½Ä¹°Çöûũſ ÇöÁ¸·®Àº Çöµµ¿¡¼­ 7¿ù¿¡ $39.5{ imes}10^3cells ml^{-1}, ¸¶¾Ï¿¡¼­ 7¿ù¿¡ 112.1{ imes}10^3cells ml^{-1}, Àå¾Ï¿¡¼­ 7¿ù¿¡ 125.5{ imes}10^3cells ml^{-1}, ³ªÆ÷¿¡¼­ 8¿ù¿¡ 288.6{ imes}10^3cells ml^{-1}·Î ÃÖ´ë¿´À¸¸ç, Çöµµ¿Í ¸¶¾Ï¿¡¼­´Â ´ëºÎºÐÀÇ ½Ã±â¿¡ 5.0{ imes}10^3Cells ml^{-1}ÀÌÇÏ¿´°í, ³ªÆ÷¿¡¼­´Â 5.0{ imes}10^3Cells ml^{-1}$ ÀÌ»óÀ̾úÀ¸¸ç, Àå¾ÏÀº ±× Áß°£À̾ú´Ù. °¢ Á¶»ç Á¤Á¡ÀÇ ÇöÁ¸·®Àº ¸¶¾ÏÀÌ Çöµµº¸´Ù 3¹è ÀÌ»ó ³ô¾Ò°í, Àå¾ÏÀÌ ¸¶¾Ïº¸´Ù 1.3¹è, ³ªÆ÷´Â Àå¾Ïº¸´Ù 2.1¹è ³ô¾Æ¼­, Áß·ù¿¡¼­ ÇÏ·ù·Î °¥¼ö·Ï ±Þ°ÝÇÏ°Ô Áõ°¡ÇÏ¿´´Ù. ÇöÁ¸·® Á¶»ç ½ÃÁ¡¿¡ µû¶ó Â÷À̰¡ À־ º½ºÎÅÍ ÃÊ¿©¸§±îÁö´Â Àå¾ÏÀÇ ÇöÁ¸·®ÀÌ ÃÖ´ë¿´°í, ´Ù¸¥ °èÀý¿¡´Â ³ªÆ÷¿¡¼­ °¡Àå ³ô¾Ò´Ù. ÇöÁ¸·®ÀÇ ½Ã°ø ºÐÆ÷ º¯È­´Â Áß½ÉÇüÀÇ ¼ÒÇü ±ÔÁ¶·ù Cyclotella spp.¿Í Stephanodiscus spp. ¹× »ç»ó ±ÔÁ¶·ù Aulacoseira spp.ÀÇ ¹ø¹«¿¡ ±âÀÎÇÏ¿´´Ù.
Standing crops of freshwater phytoplankton was studied from October 1998 to September 1999 in Hyendo, Maam, Jangam, and Napo of Kumgang River. Standing crops peaked in July in Hyendo $(39.5{ imes}10^3Cells ml^{-1}), Maam (112.1{ imes}10^3Cells ml^{-1}), and Jangam (125.5{ imes}10^3Cells ml^{-1}), while in August in Napo (288.6{ imes}10^3Cells ml^{-1}), respectively. The standing crops ranged less than 5,000 cells ml^{-1} in most of months in Hyendo and Maam, while more than 5,000 cells ml^{-1}$ throughout the year in Napo, Jangam's standing crops being intermediate. Total standing crops throughout the year increased with downstream; the standing crops of Napo was 9.6 times higher than that of Hyendo. The standing crops peaked from spring to early summer in Jangam and peaked in other seasons in Napo. The small centric diatoms Cyczotella spp., Stephanodiscus spp. and filamentous diatoms Aulacoseira spp. played an important role to form the peak of standing crops.
 
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Monthly samplings;Phytoplankton Kumgang River;Standing crops;
 
ȯ°æ»ý¹° / v.18, no.3, 2000³â, pp.347-353
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921491942)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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