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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.43, no.1, 2010³â, pp.103-116
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( Analysis of Fish Fauna by Sampling Gear as a Preliminary Survey for Ecosystem Health Assessments in Jinyang Reservoir ) |
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| º» ¿¬±¸´Â ÇöÀç ±¹³» È£¼ö¿¡¼ »ç¿ëµÇ´Â ¾î±¸µé(Sampling gears) Áß ¾î·ù¸¦ ÀÌ¿ëÇÑ È£¼ö»ýŰèÀÇ °Ç°¼º Æò°¡¿¡ Àû¿ëÇÒ ¼ö ÀÖ´Â ¾î±¸¸¦ ¼±Á¤Çϱâ À§ÇÏ¿© °¢ ¾î±¸º° äÁý È¿À²¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. À̸¦ À§ÇÏ¿© Áø¾çÈ£¸¦ ´ë»óÀ¸·Î 2008³â 11¿ù°ú 2009³â 6¿ù 2ȸ¿¡ °ÉÃļ ¾î·ùÁ¶»ç¸¦ ½Ç½ÃÇÏ¿´´Ù. Á¶»ç¿¡ »ç¿ëµÈ ¾î±¸´Â ¿ÜÅë¹ß(FN), ÀÚ¸Á(GN), »ïÁßÀÚ¸Á(TN), Åõ¸Á(CN), Åë¹ß(MT), Á·´ë(KN) µî 6°³ÀÇ ¾î±¸¸¦ »ç¿ëÇÏ¿´´Ù. Áø¾çÈ£¿¡¼ äÁýµÈ ÃÑ ¾î·ù´Â 1Â÷ Á¶»ç¿¡¼ 20Á¾ÀÇ 4,149°³Ã¼·Î ³ªÅ¸³µÀ¸¸ç, 2Â÷ Á¶»ç¿¡¼ 27Á¾ÀÇ 3,364°³Ã¼·Î ³ªÅ¸³ª µ¿Àý±â(11¿ù)ÀÎ 1Â÷ Á¶»ç¿¡ ºñÇÏ¿© ÇÏÀý±â(6¿ù)¿¡¼ ´õ ¸¹Àº Á¾ÀÌ ÃâÇöÇÑ °ÍÀ¸·Î ³ªÅ¸³ª 1, 2Â÷ Á¶»ç °á°ú, ÃÑ ¾î·ù´Â 29Á¾ÀÇ 7,513°³Ã¼°¡ äÁýµÇ¾ú´Ù. ¾î±¸º°·Î äÁýµÈ ¾îÁ¾À» ºÐ¼®ÇÑ °á°ú, Åõ¸Á(CN)ÀÌ 28Á¾ 3,567°³Ã¼°¡ äÁýµÇ¾úÀ¸¸ç, Á¤Ä¡¸Á(FN)ÀÌ 15Á¾ 3,108°³Ã¼, »ïÁßÀÚ¸Á(TN)ÀÌ 14Á¾ 577°³Ã¼, ÀÚ¸Á(GN)ÀÌ 7Á¾ 107°³Ã¼, Åë¹ß(MT)ÀÌ 6Á¾ 59°³Ã¼, Á·´ë(KN)°¡ 5Á¾ 95°³Ã¼°¡ äÁýµÇ¾î Åõ¸ÁÀÌ ÃÑ ¹× °³Ã¼¼ö¿¡¼ °¡Àå ¸¹ÀÌ Ã¤ÁýµÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¾î·ùäÁýµµ±¸º° ´Ùº¯·®ºÐ»êºÐ¼®(MANOVA) °á°ú, °¢ ¾î±¸¸¶´Ù äÁýµÇ´Â Á¾¼ö¿¡ Â÷À̰¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ÀÌÁß CNÀ» ÀÌ¿ëÇÑ ´Ù¸¥ äÁýµµ±¸µé¿¡ ºñÇØ¼ °¡Àå È¿À²ÀûÀÎ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ¹Ý¸é, MT°ú KNÀÌ ¾î·ùäÁý ½Ã °¡Àå ³·Àº È¿À²¼ºÀ» º¸ÀÌ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ À¯»çµµ ºÐ¼®¿¡¼µµ CNÀÌ Àüü äÁýµÈ ¾î·ù ÀÚ·á¿Í 95% Á¤µµÀÇ À¯»çµµ¸¦ º¸¿´À¸¸ç, MT, GN, TN, KNÀ¸·Î äÁýµÈ ¾î·ù´Â À¯¿¬°ü°è°¡ ÀûÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸´Â È£¼ö»ýŰ迡¼ ¾î·ùÁ¶»çµµ±¸º° È¿À²¼º¿¡ ´ëÇÑ ¿¹ºñ¿¬±¸·Î¼ °ËÁõÀ» À§ÇØ ÇâÈÄ ¿©·¯ È£¼ö¿¡ ´ëÇÑ ´õ ¸¹Àº ¿¬±¸°¡ µÞ¹ÞħµÇ¾î¾ß ÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù. |
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| The key objective of this study was to analyze sampling efficiency of various fish sampling gears for a lentic ecosystem health assessment. This survey was conducted at twelve sampling locations of Jinyang Reservoir in November, 2008 and June, 2009. Sampling gears used in the field were fyke net (FN), gill net (GN), trammel net (TN), casting net (CN), minnow trap (MT), and kick net (KN). Fishes sampled in Jinyang Reservoir were 29 species, in which tolerant species, as a proportions of the total numbers, dominated the fish community compared to the sensitive species. Overall sampling indicated that 28 species (3,567 individuals) were sampled by the CN and 15 species (3,108 individuals) were sampled by the FN along with 14 species (577 individuals) by the TN, 7 species (107 individuals) by the GN, 6 species (59 individuals) by MT, and 5 species (95 individuals) by KN, respectively. Statistical analysis (MANOVA), based on CPUE of the fishing gears showed that fish species and numbers of the CN were significantly (p < 0.05) greater than those of any other sampling gears. In contrast, sampling gear of MT and KN showed the least efficiency in our survey. This survey is a preliminary results for the tests of sampling gear's efficiency in lentic ecosystems, thus further extensive studies are required for the verification. |
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| Ű¿öµå |
| fish sampling gear;health assessment;sampling efficiency;casting net;Jinyang Reservoir; |
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.43, no.1, 2010³â, pp.103-116
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201023064630425)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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