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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.37, no.4, 2004³â, pp.400-405
Chikuma °­ Áß·ù ¼ö¿ª¿¡¼­ ÇÏ¾È º¸È£ °ø»ç°¡ Stenopsyche marmorata (Trichoptera)¿¡ ¹ÌÄ¡´Â ¿µÇâ (Central Japan)
( Impact of Bank-protection Work on Stenopsyche marmorata (Trichoptera) in the Middle Reaches of the Chikuma River in Central Japan )
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µ¿°è¿¡ Chikuma °­ Áß·ù ¼ö¿ª¿¡¼­ ´ë±Ô¸ð ÇÏ¾È º¸È£ °ø»ç°¡ ½ÃÇàµÈ ÀÌÈÄ·Î °­ÀÇ ÇÏ»ó ±¸¿¡ ±Þ°ÝÇÑ º¯È­°¡ ³ªÅ¸³µ´Ù. º» ¿¬±¸´Â ¿¬¼ÓÇÏ´Â Ãá°è-ÇÏ°è ±â°£ µ¿¾È ³¯µµ·¡¸ñ °ïÃæÀÇ ÀÏÁ¾ÀÎ Stenopsyche marmorataÀÇ ¹Ðµµ À¯Çü¿¡ ´ëÇÑ ÇÏ¾È º¸È£ °ø»çÀÇ ¿µÇâÀ» Æò°¡Çϱâ À§ÇØ ¼öÇàµÇ¾ú´Ù. Light trapÀ» ÀÌ¿ëÇÏ¿© ³¯µµ·¡ ¼ºÃæÀ» Æ÷ȹÇÏ¿© ºÐ¼®ÇÑ °á°ú¿¡ ÀÇÇϸé, S. marmorata¿¡ ´ëÇÑ ÀÏÀÏ Æ÷ȹÀÇ ¾ç»ó°ú Æ÷ȹ °³Ã¼ÀÇ ´©Àû ¹Ðµµ´Â °ø»ç ÀüÈÄ¿¡ »óÀÌÇÏ°Ô ³ªÅ¸³µ´Ù. Áï, °ø»ç ÈÄÀÇ Á¶»ç ±â°£ µ¿¾ÈÀÏÀÏ Æ÷ȹ ¼ºÃæÀÇ ¹Ðµµ´Â ¾à°£ Áõ°¡ÇÏ¿´´Ù. ÀÌ °á°ú´Â °ø»ç Áö¿ª¿¡¼­ S. marmorata À¯Ãæ °³Ã¼±ºÀÇ ¿¬·É ±¸Á¶°¡ ¹Ù²î¾ú°í, ÇÏ¾È º¸È£ °ø»ç°¡ Chikuma°­ »ýŰ迡 ¼­½ÄÇÏ´Â ³¯µµ·¡ ¼ºÃæÀÇ ¹Ðµµ ÆÐÅÏ¿¡ ¿µÇâÀ» ¹ÌÃÆÀ½À» ½Ã»çÇÑ´Ù.
Since a large bank-protection works project was undertaken during winter in the middle reaches of the Chikuma, the riverbed structure was drastically altered. In order to assess the short-term impact of bank-protection works on the abundance Pattern of Stenopsyche marmorata (Trichoptera) from spring to early summer, we conducted an investigation on the capture of adults using light traps before and after construction work. The patterns of the daily capture of S. marmorata and the Namely, after construction, the daily catch of adult numbers increased only slightly during the investigation periods. This suggested that the age structure of the S. marmorata larval population had changed in the construction area. Our data suggest that bank-protection projects impact the abundance pattern of adult caddisflies in the river ecosystem.
 
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abundance pattern;bank-protection work;Chikuma River;caddisfly;larval age structure;Stenopsyche marmorata;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.37, no.4, 2004³â, pp.400-405
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200418317183500)
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