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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.43, no.1, 2010³â, pp.129-135
°­ ¹èÈÄ ½ÀÁö»ýŰè(¿ìÆ÷)¿¡¼­ °­¿ì·®°ú µ¿¹°Çöûũſ ±ºÁý µ¿ÅÂ
( Relationship between Rainfall and Zooplankton Community Dynamics in a Riverine Wetland Ecosystem (Upo) )
±èÇö¿ì;ÃÖÁ¾À±;¶ó±àȯ;Á¤±¤¼®;ÁÖ±âÀç; ¼øÃµ´ëÇб³ »ç¹ü´ëÇРȯ°æ±³À°°ú;ºÎ»ê´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¸í°úÇаú;¼øÃµ´ëÇб³ »ç¹ü´ëÇРȯ°æ±³À°°ú;ºÎ»ê´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¸í°úÇаú;ºÎ»ê´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¸í°úÇаú;
 
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±¹Á¦Àû Á߿伺À» °¡Áö´Â ¿ìÆ÷ ½ÀÁö¿¡¼­ °­¿ì·®°ú µ¿¹° Çöûũſ µ¿Å °£ÀÇ »óÈ£°ü°è¸¦ ÆÄ¾ÇÇÏ¿´´Ù. ÇöÀå Á¶»ç´Â ¿ìÆ÷ ½ÀÁö ³» Á¶»çÁöÁ¡¿¡¼­ 2002³â 1¿ùºÎÅÍ 2007³â 12¿ù±îÁö °ÝÁÖ °£°ÝÀ¸·Î ¼öÇàµÇ¾ú´Ù. Á¶»ç±â°£ µ¿¾È ¿¬Æò±Õ °­¿ì·®Àº 1,324 mm ÀÌ¿´À¸¸ç, ÃÑ °­¿ì·®Àº 2003 ³â¿¡ 1,766 mm·Î °¡Àå ³ô¾Ò´ø ¹Ý¸é 2005³â¿¡´Â 975 mm·Î ³·°Ô ³ªÅ¸³µ´Ù. À°¼öÇÐÀû ¿äÀÎ(¼ö¿Â, ¿ëÁ¸»ê¼Ò, pH, Àü±â Àüµµµµ ±×¸®°í ʵµ)Àº ¿©¸§ÀÇ °­¿ì·®°ú È«¼ö¿¡ ÀÇÇØ Å©°Ô ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ÆÄ¾ÇµÇ¾ú´Ù. µ¿¹°Çöûũſ ¹Ðµµ¿Í ÃÑ °­¿ì·®Àº Åë°èÀûÀ¸·Î À¯ÀÇÇÑ °èÀý¼º°ú ¿¬°£º¯À̼ºÀ» º¸¿´´Ù (ANOVA, P < 0.05). µ¿¹°Çöûũſ ¹Ðµµ´Â ¿©¸§¿¡ ³ô°í(Æò±Õ${pm}$Ç¥ÁØÆíÂ÷; $1,594{pm}1,598;Ind.;L^{-1}$) °Ü¿ï¿¡ ³·¾ÒÀ¸¸ç(Æò±Õ${pm}$Ç¥ÁØÆíÂ÷;$246{pm}234;Ind.;L^{-1}$), Á¶»çÁöÁ¡ÀÇ ÃÑ µ¿¹°Çöûũſ ¹Ðµµ Áß 47%°¡ ¿©¸§¿¡ ÃâÇöÇÏ¿´´Ù. À±Ãæ·ùÀÇ °èÀýÀû º¯È­´Â Àüü µ¿¹°ÇöûũſÀÇ ¾ç»ó°ú À¯»çÇÏ¿´°í ÃÑ µ¿¹°Çöûũſ ¹Ðµµ(¿¬ Æò±Õ: $398{pm}1,139;Ind.;L^{-1}$, n=149)ÀÇ ¾à 65%¸¦ À±Ãæ·ù°¡ Â÷ÁöÇÏ¿´À¸¸ç, ´ÙÀ½À¸·Î Áö°¢·ù ($65{pm}140;Ind.;L^{-1}$°¡ ¹× ¿ä°¢·ù ($58{pm}84;Ind.;L^{-1}$) ¼øÀ¸·Î ³ªÅ¸³µ´Ù. Keratella cochlearis, Polyarthra spp. ±×¸®°í Brachionus calyciflorus¿Í °°Àº ºÎÀ¯¼º À±Ãæ·ù´Â °Ü¿ïºÎÅÍ º½±îÁö ¿ìÁ¡ÇÏ¿´°í Lecane spp., Monostyla spp. ±×¸®°í Trichocerca spp.¿Í °°Àº ºÎÂø¼º À±Ãæ·ù´Â ÁÖ·Î º½ºÎÅÍ °¡À»¿¡ °ÉÃÄ ÃâÇöÇÏ¿´´Ù. ¿©·¯ ȯ°æ¿äÀÎ Áß¿©¸§ÀÇ °­¿ì·® º¯µ¿ÀÌ ¿ìÆ÷ ½ÀÁöÀÇ µ¿¹°Çöûũſ ±ºÁý µ¿ÅÂÀÇ Æ¯¼º °áÁ¤¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´« °ÍÀ¸·Î »ç·áµÈ´Ù.
The relationship between rainfall variable and zooplankton dynamics was studied in the Upo wetland, an ecosystem of international importance. Water sampling was conducted on biweekly basis from January 2002 to December 2007 in the study site. The annual average of total rainfall was 1,324 mm during the study period. Total rainfall amount in 2003 (1,766 mm) was unusually high, while total rainfall amount in 2005 (975 mm) was exceptionally lower than the average. Most of basic limnological parameters (water temperature, dissolved oxygen, pH, conductivity and turbidity) in the study site were greatly influenced by the flooding events and rainfall amounts in summer. There were statistically significance between seasonal and inter-annual differences in zooplankton abundance and the total rainfall amount (ANOVA, P<0.05). Zooplankton abundance was high in summer (mean${pm}$s.d.: $1,594{pm}1,598;Ind.;L^{-1}$) and low in winter ($246{pm}234;Ind.;L^{-1}$. The 47% of annual total zooplankton abundance in the study site were observed in summer. The seasonal pattern of rotifers was similar to that of total zooplankton. This reflected the fact that rotifers strongly dominated and occupied ca. 65% the total zooplankton abundance (annual mean: $398{pm}1,139;Ind.;L^{-1}$, n=149), followed by cladocerans ($65{pm}140;Ind.;L^{-1}$) and copepods ($58{pm}84;L^{-1}$). Planktonic rotifers such as Keratella cochlearis, Polyarthra spp. and Brachionus calyciflorus were dominant from winter to spring and attached rotifers such as Lecane spp., Monostyla spp. and Trichocerca spp., observed commonly from spring to fall. Among the environmental variables considered, rainfall in summer seemed to play the most important role in determining characteristics of zooplankton community dynamics in the Upo wetland.
 
Ű¿öµå
Upo;rainfall;zooplankton;riverine wetland;rotifers;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.43, no.1, 2010³â, pp.129-135
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201023064630429)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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