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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.42, no.1, 2009³â, pp.1-8
MesocosmÀ» ÀÌ¿ëÇÑ ½ÀÁö¿¡¼­ÀÇ ÀÎ °Åµ¿ ºÐ¼®
( Analysis of the Phosphate Movement Using the Mesocosm in the Wetland )
¼ÕÀå¿ø;À±Ãá°æ;±èÇüö;ÇÔÁ¾È­; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;Çѱ¹³ó¾îÃ̰ø»ç ³ó¾îÃÌ¿¬±¸¿ø;
 
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º» ¿¬±¸¿¡¼­´Â mesocosmÀ» ÀÌ¿ëÇÏ¿©, ½ÀÁö³» ÀÎÀÇ °Åµ¿À» »ìÆìº¸±â À§ÇÑ ÇöÀå½ÇÇè ÀڷḦ °íÂûÇÏ¿´À¸¸ç, °á°ú¸¦ ¿ä¾àÇÏ¸é ´ÙÀ½°ú °°´Ù. Mesocosm³» ¼öüÀÇ TP³óµµ´Â ´ëÁ¶±¸ÀÎ M1¿¡¼­´Â $0.48;mg;L^{-1}$¿¡¼­ $0.6;mg;L^{-1}$À¸·Î Áõ°¡ÇÑ ¹Ý¸é, 󸮱¸ÀÎ M2, M3, M4¿¡¼­´Â 12.4, 20.4, $23.6;mg;L^{-1}$¿¡¼­ 1.92, 6.97, $6.94;mg;L^{-1}$·Î °¨¼ÒµÇ¾ú°í TP °¨¼ÒÀ²Àº M2, M3, M4¿¡¼­ °¢°¢ 84.5, 65.8, 70.6%·Î Æò±Õ 73.7%ÀÇ °¨¼ÒÀ²À» º¸¿´´Ù. 󸮱¸ Áß ºÎÂøÁ¶·ù°¡ »ç¸êÇÏÁö ¾ÊÀº M2¿Í ´ëÁ¶±¸ÀÎ M1ÀÇ ÀüüÀûÀÎ ¹°Áú ¼öÁö¸¦ ºñ±³ÇØ º¸¸é, M1ÀÇ °æ¿ì´Â ºÎÂøÁ¶·ù¿¡¼­ÀÇ ÀÎÀÇ ¾çÀÌ ¼Ò·® Áõ°¡ÇÏ¿´°í, °¥´ë¿Í ÅðÀû¹°¿¡¼­ÀÇ ÀÎÀÇ ¾çÀº ¼Ò·® °¨¼ÒÇÏ¿´´Ù. M1¿¡¼­ ºÎÂøÁ¶·ùÀÇ ÀÎÀÇ ¾çÀÌ ´Ã¾î³­ °ÍÀº ´ëÇü¼ö»ý½Ä¹°ÀÌ °í»ç±â¿¡ Á¢¾îµé¾î ½ÀÁö³»ÀÇ ±¤Á¶°ÇÀÌ ÃæºÐÇØÁö¸é¼­ Á¶·ùÀÇ Áõ°¡°¡ ÀϾ °ÍÀ̶ó ÆÇ´ÜµÈ´Ù. M2ÀÇ °æ¿ì¿£ ÅðÀû¹°³»ÀÇ ÀÎÀÇ ÃѾçÀº 5, 443 mg¿¡¼­ 8, 086 mgÀ¸·Î Áõ°¡ÇÏ¿´°í, ºÎÂøÁ¶·ù¿Í °¥´ë ¿ª½Ã °¢°¢ 1, 147 mg, 1, 740 mg¿¡¼­ 2, 452 mg, 2.160 mgÀ¸·Î Áõ°¡ÇÏ¿´´Ù. ÀÌ·Î½á ½ÀÁö³» ÀÎÀÇ °Åµ¿¿¡ ÀÖ¾î ºÎÂøÁ¶·ù¿Í °Å´ëÁ¶·ù¿¡ ÀÇÇÑ ÀÎÀÇ Èí¼ö¿Í ħÀü ¹× ½Ä¹°Ã¼¿¡ ÀÇÇÑ Èí¼ö°¡ ÁÖµÈ ¿ªÇÒÀ» ÇÑ´Ù°í ÆÇ´ÜµÇ¸ç, ºÎÂøÁ¶·ùÀÇ Èí¼ö°¡ Ȱ¹ßÇß´ø M2ÀÇ °æ¿ì TP °¨¼ÒÀ²ÀÌ 85%¿¡ À̸£°í ºÎÂøÁ¶·ùÀÇ Èí¼ö°¡ ¾ø¾ú´ø M3, M4¿¡¼­ 70% ÀÌÇÏÀÇ TP °¨¼ÒÀ²À» ³ªÅ¸³½ °ÍÀ» º¼ ¶§, ħÀü°ú ½Ä¹°Ã¼¿¡ ÀÇÇÑ Èí¼ö°¡ º´ÇàµÇ´Â °ÍÀÌ °í³óµµÀÇ TP󸮿¡ »ó´çÈ÷ È¿°úÀûÀ̶ó »ý°¢µÈ´Ù. MesocosmÀ» ÀÌ¿ëÇÑ ÀÎÀÇ À̵¿°æ·Î ÃßÁ¤Àº ¿µÇâÀÎÀÚ°¡ ¸¹Àº ½ÀÁö³» ¿À¿°¹°Áú °Åµ¿À» ±Ô¸íÇÏ´Â ¸Å¿ì À¯¿ëÇÑ ¹æ¹ýÀ̶ó ÆÇ´ÜµÇ¸ç, ±× °á°ú´Â Àΰø½ÀÁö¸¦ Á¶¼ºÇÏ¿© Ȱ¿ëÇÏ´Â µ¥ ÇÊ¿äÇÑ ±âÃÊÀÚ·á·Î¼­ Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
This study used a mesocosm which presumes movement of the nutrient (especially $PO_{4^-}P$) in the wetland. After setting up the mesocosm inside the wetland and adding the $PO_{4^-}P$, observed the movement of the $PO_{4^-}P$ every hour. We analyzed the variables which had the possibility of affecting $PO_{4^-}P$ concentration in the wetland-flora, absorbing rate of algae, settling rate, release rate. Immediately after adding $PO_{4^-}P$, the concentration of the TP in water column at each mesocosm was 0.48, 12.4, 20.4, $23.6;mg;L^{-1}$, after 21 days they were 0.6, 1.92, 6.97 and $6.94;mg;L^{-1}$ respectively. The concentration of the TP in water column at the mesocosm decreased on average 73.7%. The concentration of the $PO_{4^-}P$ inside reed, algae and sediment in the mesocosm was increased from $0.73mg;gDW^{-1}$, $3.81mg;gDW^{-1}$, $466.1mg;kg^{-1}$ to $0.83mg;gDW^{-1}$, $4.57mg;gDW^{-1}$ and $813.3mg;kg^{-1}$ respectively. Algae is more sensitive than reeds in absorption of the nutrient. TP removal by settling was highest. Budgeting of TP indicated that P moved from particulates in the water column to sediment and algae. Immediately after adding $PO_{4^-}P$, water column (24.2%) and sediment (49.0%) dominated TP storage, with algae (10.3%) and reed (16.4%) holding smaller proportions of TP. After 21 days, Sediment (59.0%) and algae (17.9%) dominated TP storage, with water column (7.1%) and reed (15.8%) holding smaller proportions of TP. Estimation of phosphate movement using mesocosms is an appropriate method because wetlands have many controlling factors. Analysed data can be compared to background data for wetland construction and management.
 
Ű¿öµå
algae;mesocosm;phosphorus;reed;release;settling;wetland;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.42, no.1, 2009³â, pp.1-8
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200912651518714)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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