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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.4, 2006³â, pp.498-507
¿ìÆ÷´Ë ¼ö°è¿¡¼­ ºÎÀ¯¹°, ÀÌ¿Â³óµµ ¹× ¼­½ÄÁö Ư¼º¿¡ ´ëÇÑ ½Ã ${cdot}$ °ø°£Àû º¯ÀÌ ºÐ¼®
( Temporal and Spatial Variation Analysis of Suspended Solids, Ionic Contents, and Habitat Quality in the Woopo Wetland Watershed )
¹è´ë¿­;ÃÖÁö¿õ;¾È±¤±¹; Ãæ³²´ëÇб³ »ý¸í°úÇкÎ;Ãæ³²´ëÇб³ »ý¸í°úÇкÎ;Ãæ³²´ëÇб³ »ý¸í°úÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â 2002³â 8¿ùºÎÅÍ 2003³â 7¿ù±îÁö ¿ìÆ÷´Ë ¼ö°è¿¡¼­ÀÇ À̿³óµµ, ºÎÀ¯¹° ³óµµ ¹× ¼­½ÄÁö Ư¼º¿¡ ´ëÇÑ °èÀý¼º °­¿ìÆÐÅÏÀÇ ¿µÇâÀ» Æò°¡ÇÏ¿´´Ù. ÃѺÎÀ¯¹°Áú(TSS)ÀÇ °ø°£Àû º¯ÀÌ´Â ÇÏÀý±âÀÇ À帶±â°£ µ¿¾È °¡Àå ÇöÀúÇÏ°Ô ³ªÅ¸³µ´Ù. TSS Áß ¹«±âºÎÀ¯¹°ÀÇ »ó´ëºñÀ²(ISS:TSS)Àº Å©°Ô Áõ°¡ÇßÀ¸¸ç ÀÌ´Â »ó·ù¿¡¼­ ÇÏ·ù·Î °¥¼ö·Ï Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´´Ù. ÀÌ·± Çö»óÀº ³«µ¿°­ º»·ù·ÎºÎÅÍ ¿ª·ùÇϴ Ź¼ö¿¡ ±âÀÎÇÏ´Â °ÍÀ¸·Î »ç·áµÇ¾ú´Ù. À帶±â°£ µ¿¾È ISS:TSSÀÇ ºñÀ²Àº »ó·ù(43%)º¸´Ù ÇÏ·ù(92%)¿¡¼­ Å©°Ô Áõ°¡ÇÑ ¼öÄ¡¸¦ º¸¿´´Ù. ¶ÇÇÑ Åõ¸íµµ´Â ÇÏ·ù¿ªÀ¸·Î °¥¼ö·Ï °¨¼Ò¿´À¸¸ç (Æò±Õ=0.13 m, ¹üÀ§=0.08-0.21), ʼö´Â Á¶·ù»ýÀå ¹× 1Â÷»ý»ê·Â¿¡ Á÷Á¢ÀûÀ¸·Î ¿µÇâÀ» ¹ÌÃÄ ³·Àº ¿±·Ï¼Ò-a°ª (¹üÀ§=$4.2-8.6;{mu}g;L^{-1}$)À» º¸¿´´Ù. 2Â÷ Á¶»ç ½Ã ISS ³óµµ´Â Æò±Õ 4 mg $L^{-1}$ (¹üÀ§=3.3-4.8 mg $L^{-1}$)¿´°í, ÀÌ·± °ªÀº È«¼ö±â Á¶»çÀÎ 1Â÷ Á¶»ç¿¡ ºñÇØ 14¹è³ª °¨¼ÒÇÑ ¼öÄ¡¿´´Ù. ÇÑÆí, ISS´Â Å©°Ô °¨¼ÒÇѵ¥ ºñÇØ OSSÀÇ »ó´ëºñ´Â ³ô°Ô Áõ°¡Çß´Ù. ÀÌ·¯ÇÑ Çö»óÀº 3Â÷ Á¶»ç¿¡¼­µµ °°Àº ¾ç»óÀ¸·Î ³ªÅ¸³µÀ¸³ª 5¿ù¿¡ ½Ç½ÃµÈ 4Â÷ Á¶»ç¿¡¼­´Â »óÀÌÇÑ °á°ú¸¦ º¸¿´´Ù. 10°³ º¯¼ö¸¦ ±â¹ÝÀ¸·Î ÇÑ Á¤·®Àû ¼­½ÄÁö Æò°¡¿¡ µû¸£¸é, QHEI´Â 4Â÷ Á¶»ç¿¡¼­ ÃÖ´ë°ªÀ» º¸¿´À¸¸ç, 2Â÷ Á¶»ç¿¡¼­´Â °¡Àå Å« °ø°£Àû º¯À̸¦ º¸¿´´Ù. °á°úÀûÀ¸·Î, À帶±â°£ÀÇ ÁýÁß°­¿ì´Â ÅäÆòõ°ú ¿ìÆ÷´Ë¿¡¼­ÀÇ Åä»ç ħÀü ¹× ¿µ¾ç¹°Áú ¼øÈ¯¿¡ Å©°Ô ±â¿©ÇÏ´Â °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
The main objective of present study was to evaluate how seasonal rainfall influenced natural habitat conditions of 10 metric habitat variables along with ionic conditions and suspended solids in the Woopo Wetland during August 2002-July 2003. Largest spatial variabilities in total suspended solids (TSS) occurred during the summer monsoon and the inorganic suspended solids (ISS), expressed as a inorganic proportion of total solids, showed linearly increasing trend from the upstream to downstream. This phenomenon was mainly attributed to counter flow of turbid water from the main Nakdong-River. During the flooding, ISS : TSS ratio showed large increases (92%) in the downstream than the upstream (43%). For this reason, transparency declined (mean=0.13 m, range=0.08-0.21 m) largely in the downstream reach and thus, chlorophyll-a concentration showed low values (range: $4.2-8.6;{mu}g;L^{-1}$), indicating a direct influence on primary productivity or algal growth by inorganic turbidity. In the 2nd survey, ISS averaged 4.0 mg $L^{-1}$ (3.3-4.8 mg $L^{-1}$), thus the ISS decreased by 14 fold, compared to the ISS in the 1st survey during the flooding, while organic suspended solids (OSS) values were greater than those of ISS, indicating a dominance of organic solids. This condition was similar to solid contents in the 3rd survey, but showed a large difference compared to the 4th survey during the growing season. Habitat health assessments, based on 10 metric habitat variables, showed that QHEI values were greatest in the growing season (May) than any other seasons and largest spatial variations occurred in the 2nd survey. Overall, dataset suggest that seasonal episodic flooding during the monsoon may largely contribute nutrient cycling and sediment contents in the Woopo Wetland and Topyung Stream.
 
Ű¿öµå
ionic content;habitat health;wetland;suspended solid;QHEI;seasonality;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.4, 2006³â, pp.498-507
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317187804)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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