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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.17, no.2, 1999³â, pp.159-168
ºÏÇѰ­ ÇÏ·ù Áö·ù¿¡¼­ÀÇ Àú¼­ ´ëÇü¹«Ã´Ãßµ¿¹°ÀÇ °èÀýÀû ±ºÁý±¸Á¶
( Temporal Changes of Community Structure of Benthic Macroinvertebrates in the North Branch of Han River System, Korea )
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º» ¿¬±¸´Â ºÏÇѰ­ ¼ö°è¿¡ ¿¬°èµÇ¾î ÀÖ´Â »ç±â¸·Ãµ(ºñ¿À¿° ÁöÁ¡), Á¶Á¾Ãµ(Áߵ¿À¿° ÁöÁ¡), ¸¶¼®Ãµ(¿À¿° ÁöÁ¡)À» ´ë»óÀ¸·Î(7°³ ÁöÁ¡)Àú¼­ ´ëÇü¹«Ã´Ãßµ¿¹°À» 1993³â 1³â°£ äÁý, ºÐ·ùÇϰí, ¿ìÁ¡ Áö¼ö, Á¾´Ù¾ç¼º Áö¼ö, À¯»çµµ Áö¼ö ¹× dzºÎµµ Áö¼öÄ¡¸¦ ¿ùº°·Î ºñ±³ÇÏ¿© °¢ ÁöÁ¡¿¡¼­ÀÇ ¼öÁúÀ» »ý¹°ÇÐÀû ¶Ç´Â »ýÅÂÇÐÀû ±âÁØ¿¡ µû¶ó Æò°¡ÇϰíÀÚ ÇÏ¿´´Ù. »ç±â¸·ÃµÀÇ 1ÁöÁ¡¿¡¼­´Â Epeorus pellucidus, Uracanthella rufa ¹× Drunella aculea¿Í °°Àº ÇÏ·ç»ìÀÌ·ù°¡ ¿ìÁ¡ÇÏ¿´°í, Á¶Á¾ÃµÀÇ °æ¿ì, »ó·ùÀÎ 2ÁöÁ¡¿¡¼­´Â Ưº°ÇÑ ¿ìÁ¡Á¾¾øÀÌ ´Ù¾çÇÑ Á¾µéÀÌ ÃâÇöÇÏ¿´À¸¸ç, Áß·ùÀÎ 3ÁöÁ¡¿¡¼­´Â ÇÏ·ç»ìÀÌ·ù¸¸ÀÌ, ÇÏ·ùÀÎ 4ÁöÁ¡¿¡¼­´Â Uracanthella rufa°¡ ¿ìÁ¡ÇÏ¿´´Ù. ¸¶¼®Ãµ »ó·ùÀÎ 5ÁöÁ¡¿¡¼­´Â °©°¢·ùÀÎ Gammarus spp.°¡, Áß, ÇÏ·ùÀÎ 6, 7ÁöÁ¡¿¡¼­´Â ½ÇÁö··ÀÌ·ùÀÎ Limnodrilus socialis ¹× Chironomus spp.°¡ Àý´ë ¿ìÁ¡ ÇÏ¿´´Ù. »ç±â ¸·ÃµÀÇ 1ÁöÁ¡°ú Á¶Á¾ÃµÀÇ 3ÁöÁ¡¿¡¼­´Â Á¾´Ù¾ç¼º Áö¼ö°¡ 3.11-3.93ÀÇ ¹üÀ§¸¦ º¸¿© oligosaprobic ¿À¿°µî±Þ¿¡ ¼ÓÇÏ¿´´Ù. ¸¶¼®ÃµÀÇ 7ÁöÁ¡¿¡¼­´Â Æò±Õ Á¾´Ù¾ç¼º Áö¼ö°¡ 1.23À¸·Î $alpha$-mesosaprobic ¿À¿°µî±Þ¿¡ ¼ÓÇÏ¿´´Ù. À¯»çµµ Áö¼ö ¹× dzºÎµµ Áö¼ö´Â °¢ Á¶»çÁöÁ¡¿¡¼­ Á¾´Ù¾ç¼ºÁö¼ö¿Í °°Àº À¯ÇüÀ¸·Î ³ªÅ¸³µ´Ù. ºñÀ¯»çµµ Áö¼öÄ¡¸¦ »óÈ£ ºñ±³ÇÏ¿© ±×¸° dendrogramÀÇ À¯ÇüÀ» º¸¸é, 7°³ Á¶»çÁöÁ¡¿¡¼­ 1, 2, 3, 4ÁöÁ¡, 6, 7ÁöÁ¡ ¹× 5ÁöÁ¡ÀÇ 3groupÀ¸·Î ±¸ºÐÇÒ ¼ö ÀÖ¾ú´Ù.
The ophemeropterans such as Epeorus pellucidus, Uracanthella rufa and Drunella uculea were dominated in station 1. It was generally showed the stable aquatic communities with low dominance index values throughout the year in station 2. The first dominant species in station 3 were all mayflies with the average DI value of 0.38. The first dominant species of Uracanthella rufa known as relatively tolerant species in station 4. A crustacean species Gammarus spp. have frequently occurred as the 1st or 2nd dominant species in station 5. Limnodrilus socialis, and Chironomus spp. were dominated in stations 6 and 7 Station 1, 2 and 3 were classified as oligosaprobic status according to their average diversity index values ranging from 3.46 to 3.52. Station 7 showed $alpha$-mesosaprobic water condition with the overall average diversity value of 1.26. In general, the equitability and species richness values in the same sampling areas had close relations with their diversity values. The dendrogram drawn by dissimilarity values among 7 sampling sites indicates that the macrobenthic communities were divided into 3 groups£º stations 1, 2, 3 and 4£» stations 6 and 7£» and station 5 alone.
 
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Macroinvertebrates;North branch of Han River system;Water quality;
 
ȯ°æ»ý¹° / v.17, no.2, 1999³â, pp.159-168
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921494654)
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