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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.40, no.3, 2007³â, pp.449-458
È­ÁøÆ÷È£ÀÇ ¾î·ù±ºÁý Ư¼º
( The Characteristics of Fish Community in the Lagoon Hwajinpo, Korea )
¹Ú½Âö;ÃÖÀç¼®;ÃÖÀÇ¿ë;À念¼ö;À̱¤¿­;ÃÖÁرæ; »óÁö´ëÇб³ »ý¸í°úÇаú;°­¿ø´ëÇб³ ȯ°æ¿¬±¸¼Ò;»óÁö´ëÇб³ »ý¸í°úÇаú;°­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ »ý¹°Çаú;»óÁö´ëÇб³ »ý¸í°úÇаú;
 
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È­ÁøÆ÷È£ÀÇ ¾î·ù±ºÁý°ú ½Ã °ø°£Àû º¯È­¸¦ ÆÄ¾ÇÇϱâ À§ÇØ 2005³â 11¿ùºÎÅÍ 2006³â 8¿ù±îÁö 4ȸ¿¡ °ÉÃÄ ´Ù¾çÇÑ Á¶»çµµ±¸¸¦ »ç¿ëÇÏ¿© Á¶»çÇÏ¿´´Ù. äÁýµÈ ¾î·ù´Â ÃÑ 24°ú 37Á¾ 35,812°³Ã¼¿´´Ù. ¿ìÁ¡Á¾Àº H. nipponensis (60.8%), T. hakonensis (19.8%), ±×¸®°í K. punctatus (5.5%) µî ÁÖ·Î ÁÖ¿¬¼º´ã¼ö¾îÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÃâÇöÇÑ 37Á¾ Áß ÀÏÂ÷´ã¼ö¾î¿Í ÇØ»ê¾î´Â °¢°¢ 8Á¾(21.6%), ÁÖ¿¬¼º´ã¼ö¾î´Â 21Á¾(56.8%)À̾ú´Ù. äÁýµÈ ¾îÁ¾µéÀÇ »ýü·®Àº ÃÑ 279.3kgÀ̾úÀ¸¸ç T. hakonensis 152.9 kg, H. nipponensis 40.0 kg, K. punctatus 31.4 kg, C. haematochelius 25.3 kgµîÀÇ ¼øÀ¸·Î ³ªÅ¸³ª ³»·úÀÇ Àΰø´ã¼öÈ£¿¡ ºñÇØ »ý»ê¼ºÀÌ ¸Å¿ì ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Á¶»ç ½Ã±âº° ±ºÁýÀÇ º¯È­¾ç»óÀº '°¹ÅÍÁü Çö»ó'¿¡ µû¶ó º¯È­ÇÏÁö¸¸ ÀϺΠÁÖ¿¬¼º´ã¼ö¾î °³Ã¼±ºÀº È£³»¿¡¼­ »ýȰ»ç¸¦ °¡Áö¸ç ¾ÈÁ¤µÈ ±ºÁýÀ» ÀÌ·ç°í ÀÖ¾ú´Ù. ÀÌ»óÀÇ °á°ú·Î º¼ ¶§, È­ÁøÆ÷È£´Â ¿ì¸®³ª¶ó¿¡ ºÐÆ÷ÇÏ´Â ¼®È£ Áß ºñ±³Àû ¾çÈ£ÇÑ ÀÚ¿¬ »óÅÂÀÇ »ýŰ踦 À¯ÁöÇϰí ÀÖ´Â °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù µû¶ó¼­ Áö¼ÓÀûÀÎ °üÂû°ú ¸ð´ÏÅ͸µÀ» ÅëÇÏ¿© º» ¼®È£¸¦ ºñ·ÔÇÑ ´Ù¸¥ ¼®È£ÀÇ °ü¸®¿Í ȸº¹¹æ¾ÈÀ» °­±¸ÇØ¾ß ÇÒ °ÍÀ¸·Î »ý°¢µÈ´Ù.
Fish community and its temporal-spacial variation in the Lagoon Hwajinpo, Korea were seasonally investigated with different types of fishing gears from November, 2005 to August, 2006. Total 35.812 fishes caught during the period were belonged to 24 families 37 species. Dominant species was H. nipponensis(60.8%), T, hakonensis (19.8%), and K. punctatus (5.5%) ana these species were peripheral freshwater fish. Among 37 species, primary freshwater and seawater fish were 8 species (21.6%), respectively and peripheral freshwater fish were 21 species (56.8%). Total biomass of collected fish was 279.3kg, and biomass of each species was T. hakonensis 152.9 kg, H. nipponensis 40.0 kg, K. punctatus 31.4 kg and C. haematochelius 25.3 kg, respectively. Hence, productivity of the Lagoon Hwajinpo was much higher than those of inland reservoirs. The aspect of community classified by surveyed period was changed according to the 'Breaking-sandbar', but some of peripheral freshwater fish populations made stable community in their life cycle in the lagoon. In conclusion, the Lagoon Hwajinpo seems to be maintained more natural ecosystem better than other lagoons in Korea. Therefore, the findings provide consideration of the management and restoration for this lagoon and others through the continuous observation and monitoring in future.
 
Ű¿öµå
Lagoon Hwajinpo;fish community;productivity;breaking-sandbar;lagoon ecosystem;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.40, no.3, 2007³â, pp.449-458
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200709905953034)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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