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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.37, no.1, 2004³â, pp.47-56
¸î°¡Áö ¿µ¾ç¿° °áÇÌÀÌ ÆÈ´ç´ïÀÇ ½Ä¹°Çöûũſ±ºÁý¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Influences of Nutrient Deficiency on the Phytoplankton Community in Pal'tang Reservoir )
±è¹éÈ£;ÃÖÁö¿µ;Ȳ¼øÁø;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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¿µ¾ç¿° (N, P, Si, Fe) °áÇÌÀÌ ÆÈ´çÈ£³» ¼­·Î ´Ù¸¥ 3°³ÁöÁ¡ÀÇ ½Ä¹°Çöûũſ ±ºÁý(>10 ${mu}m$)¿¡ ¾î¶°ÇÑ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö ÆÄ¾ÇÇϱâ À§ÇÏ¿© ä¼öÇÑ ÇöÀå¼ö¸¦ °áÇ̹èÁö¿¡¼­ ÀÏÁ¤½Ã°£ ¹è¾çÇÑ ÈÄ ´ëÁ¶±º°ú ºñ±³ Á¶»çÇÏ¿´´Ù. Á¶»ç°á°ú, ÇöÀå¼ö´Â °øÈ÷ ¿µ¾ç¹°Áú°ú ÇöÀå¼ö Áõ·ù¿¡ µû¶ó ¼­·Î ´Ù¸¥ Á¾ õÀÌ ¹× »ý¹°·®À» ³ªÅ¸³Â´Ù. ¿µ¾ç¿° °áÇÌ¿¡ µû¸¥ õÀÌ´Â N, P, Si °áÇ̱º¿¡¼­´Â ¼Ó(genus)¼öÁØ¿¡¼­, Fe°áÇÌ¿¡¼­´Â Á¾(species) ¼öÁØ¿¡¼­ ÀϾ´Ù. ƯÈ÷ Fe°áÇÌ¿¡¼­ ³²Á¶ Microcystis aeruginosa, N °áÇÌ¿¡¼­ AnabaenaÀÇ ¹ß´ÞÀº ¸Å¿ì Èï¹Ì·Î¿î °á°úÀÌ´Ù. ¶ÇÇÑ ¸ðµç °áÇ̱º¿¡¼­ ¶Ñ·ÇÇÑ ¼ºÀåÀúÇØ Çö»óÀ» º¸¿´À¸³ª Si °áÇ̱º¿¡¼­´Â »ý¹°·® º¯µ¿ÀÌ °ÅÀÇ ¾ø¾ú´Ù. ½Ä¹°Çöûũſ ±ºÁýÀº ¿µ¾ç¿°°áÇ̰ú ä¼öÁöÁ¡¿¡ µû¶ó Â÷À̸¦ º¸¿´´Âµ¥, ÀüüÀûÀ¸·Î N,P °áÇ̱º¿¡¼­´Â ¿ìÁ¡µµ °¨¼Ò ¹× ´Ù¾çµµ Áõ°¡¸¦ º¸¿´À¸¸ç,Si,Fe °áÇ̱º°ú´Â ¹Ý´ë °á°ú¸¦ º¸¿´´Ù. µû¶ó¼­ ¿µ¾ç¿° °áÇÌÀº Á¶»çÁöÁ¡¿¡ µû¶ó ´Ù¼Ò Â÷À̸¦ º¸¿´À¸³ª ½Ä¹°Çöûũſ Á¾ õÀÌ, »ý¹°·® º¯µ¿ µîÀÇ ¶Ñ·ÇÇÑ ±ºÁýº¯È­¸¦ À¯µµÇÔÀ¸·Î¼­ ¼ö°è³» ¹®Á¦Á¶·ùÀÇ ±Ùº»Àû ÇØ°áÀÇ °¡´É¼ºÀ» ½Ã»çÇØ ÁÖ¾ú´Ù.
To understand the effect of nutrient deficiency on the plankton community in three stations with different water qualities in Pal'tang Reservoir, Korea, phytoplanktons(> 10 ${mu}m$) were cultured in nutrient enrichment Allen's media (AM) and nutrient-deficient Allen's media. A distinct shift in the species composition and biomass of phytoplankton (as chlorophyll- a) showed in all treatments. In particular, it was very interesting that the new development of cyanobacterium Microcystis aeruginosa occurred by the Fe-deficient AM. Except for Si, a community growth (as chlorophyll- a) was inhibited in all nutrient deficient treatments. Species diversity after nutrient deficiency was changed to below 2.0; slightly increased in N and P-deficiency, while decreased in Si and Fe, respectively. As suggested, dominance was entirely opposite to diversity. Therefore, the nutrient deficient effectively induced the succession of species and biomass, phytoplankton community, suggesting a possibility as a reliable tool to control the algal bloom in eutrophic lakes and reservoirs.
 
Ű¿öµå
Allen's media;nutrient deficiency;phytoplankton community;diversity;biomass;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.37, no.1, 2004³â, pp.47-56
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200418317182399)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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