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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.17, no.2, 1999³â, pp.175-182
1996³â Á¦ÁÖµµ¿¡ ³ªÅ¸³­ ´ëÇüÀú¼­µ¿¹°ÀÇ ´ë·®Æó»ç: ¹°¸®ÇؾçÇÐÀû ¿äÀÎÀÇ ¿ªÇÒ
( The 1996 Mass Mortality of Macrobenthic Animals in Cheju Island£º A Possible Role of Physical Oceanographic Factor )
¼­Çظ³;Á¶¾ç±â;¼­È£¿µ;±è´ëȯ; Àü³²´ëÇб³ Áö±¸È¯°æ°úÇкÎ, ÇØ¾ç¿¬±¸¼Ò;Àü³²´ëÇб³ Áö±¸È¯°æ°úÇкÎ, ÇØ¾ç¿¬±¸¼Ò;Àü³²´ëÇб³ Áö±¸È¯°æ°úÇкÎ, ÇØ¾ç¿¬±¸¼Ò;Á¦ÁÖÇØ¾ç¼ö»êû ¾îÃÌÁöµµ°ú;
 
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1996³â ¿©¸§ Á¦ÁÖµµ ¼­ÂÊ ÇØ¾È¿¡¼­ Àü¿¡ º¼ ¼ö ¾øÀ» Á¤µµ·Î À¯¿ë ´ëÇüÀú¼­µ¿¹°ÀÌ ´ë·®À¸·Î Á×¾î, Àüº¹, ¿ÀºÐÀÚ±â, ¼Ò¶ó, ÇØ»ï, ¸»¶Ë¼º°Ô¿¡ Å« ÇÇÇØ¸¦ ÁÖ¾ú´Ù. Á¦ÁÖµµ ÇØ¾È¿¡¼­ ½Ä¹°Çöûũſ ´ë¹ß»ýÀº ¾ø¾ú°í, ´ë·®Æó»ç°¡ ÀϾ±â Àü¿¡ ÇØ¾È¿¡¼­ Ç¥Ãþ Àú¿°¼ö°¡ ³ªÅ¸³µ±â ¶§¹®¿¡ Àú¿°ºÐ ½ºÆ®·¹½º°¡ ´ë·®Æó»ç¿¡ °áÁ¤ÀûÀÎ ¿µÇâÀ» ¹ÌÃÆÀ» °ÍÀ¸·Î ¿©°ÜÁø´Ù. °°Àº ±â°£ °üÃøµÈ °­¼ö·®ÀÌ Àû¾î, °­¼ö·®À¸·Î Àú¿°È­¸¦ ¼³¸íÇÏÁö ¸øÇÑ´Ù. ±¹¸³¼ö»êÁøÈï¿ø(1997)ÀÌ °üÃøÇÑ ÀÚ·á´Â 1996³â 8¿ù Á¦ÁÖµµ¿Í Áß±¹ »çÀÌ ÇØ¿ª¿¡ Ç¥Ãæ Àú¿°¼ö°¡ ³ªÅ¸³­ °ÍÀ» È®½ÇÈ÷ º¸¿©ÁØ´Ù. Á¦ÁÖµµ ¼­ÂÊ ÇØ¾È¿¡ ³ªÅ¸³­ Ç¥Ãþ Àú¿°¼ö´Â ´Ù·®À¸·Î À¯ÃâµÈ °­¹°ÀÌ ±× ±â¿øÀÏ °¡´É¼ºÀÌ °¡Àå ³ô´Ù. ÇØ·ù¿Í ¾çÀÚ°­¿¡¼­ Á¦ÁÖµµ±îÁö °Å¸®µîµµ Ç¥Ãþ Àú¿°¼ö°¡ ¾çÀÚ°­¿¡¼­ ¹æ·ùµÈ °­¹°¿¡¼­ ±â¿øÇÑ °ÍÀ̶ó´Â °¡¼³À» ÁöÁöÇÑ´Ù.
An unprecedented mass mortality of commercially important macrobenthic animals, including Haliotis discus discus, H. diversicolor, Batilus cornutus, Sticopus japonious and Hemicentrotus puzoherrimus, occurred off the west coast of Cheju Island in summer of 1996. Phytoplankton blooms were absent along the coast. The appearances of the surface low-salinity water (SLSW) off the coast of Cheju Island preceded the mass mortality, leading to speculation that the low-salinity stress may have a crucial role in the mass mortality. Since there was no heavy rain for the same period, the precipitation was not a possible explanation for the decrease of salinity. Physical oceanographic data taken by NFRDI (1997) clearly indicated that the SLSW was present in the area between China and Cheju Island in August 1996. This is most likely due to a freshwater supply resulting from the existence of large river runoff. Evidence of the current and the distance between the Yangtz River and Cheju Island also supports the hypothesis that source of the SLSW was the freshwater originated from the Yangtz River runoff.[macrobenthic animals, mass mortality, surface low-salinity water].
 
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macrobenthic animals;mass mortality;surface low-salinity water;
 
ȯ°æ»ý¹° / v.17, no.2, 1999³â, pp.175-182
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921494676)
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