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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.20, no.4, 2002³â, pp.339-346
µ¿ÇØ ´ö»êÇ׿¡ »ýÀ°ÇÏ´Â Æ÷±â°Å¸Ó¸®¸»(Zostera caespitosa Miki) ±ºÁýÀÇ »ý¹°°èÀýÇаú ÇüÅ º¯ÀÌ
( Phonology and Morphometrics Change of Zostera caespitosa Miki Populations at the Duksan Port in the Eastern Coast of Korea )
ÀÌ»ó·æ;À̼º¹Ì;ÃÖûÀÏ; ÇѾç´ëÇб³ Áö±¸Çؾç°úÇаú;ÇѾç´ëÇб³ Áö±¸Çؾç°úÇаú;ÇѾç´ëÇб³ Áö±¸Çؾç°úÇаú;
 
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µ¿ÇØ ´ö»êÇ׿¡ »ýÀ°ÇÏ´Â Æ÷±â°Å¸Ó¸®¸»(Zostera caespitosa Miki)±ºÁýÀÇ »ý¹°°èÀýÇаú ÇüÅ º¯À̸¦ 1998³â 3¿ùºÎÅÍ 2000³â 8¿ù±îÁö Á¶»çÇÏ¿´´Ù. Æ÷±â°Å¸Ó¸®¸»ÀÇ ÇüÅÂÀûÀÎ ÇüÁú(½Ä¹°Ã¼ ±æÀÌ, ÀÙ ±æÀÌ, ¿±ÃÊ ±æÀÌ, ÀÙ ³Êºñ¿Í ÀÙ ¼ö),»ý½Ä ÇüÁú(ºÒ¿°Æ÷, À°¼öÈ­¼­¿Í Á¾ÀÚ)ÀÇ ¼ö¿Í Å©±â, »ýÀ°¹Ðµµ, »ý¹°·®°ú ÀÌÈ­ÇÐÀû Ư¼º (¼ö¿Â, ¿µ¾ç¿° ³óµµ)À» °üÃøÇÏ¿´´Ù. ÇüÅÂÀûÀÎ ÇüÁúÀº ¿±Ãʸ¦ Á¦¿ÜÇÏ°í °èÀý¿¡ µû¶ó À¯ÀÇÇÑ Â÷ÀÌ (p<0.05)¸¦ ³ªÅ¸³»¾ú´Ù. ½Ä¹°Ã¼±æÀÌ´Â ¼ö¿Â¿¡ µû¶ó ¸íÈ®ÇÑ ³â ¼øÈ¯À» ³ªÅ¸³»¾ú´Ù. ¿µ¾çÁö´Â Áö¼ÓÀûÀ¸·Î ÃâÇöÇÏ¿´À¸³ª »ý½ÄÁö´Â 1¿ù Áß¼øºÎÅÍ 4¿ùÃʱîÁö ÀûÀº ¼ö¸¸ÀÌ ÃâÇöÇÏ¿´´Ù. Æ÷±â°Å¸Ó¸®¸»ÀÇ °³È­±â´Â 2¿ù Áß¼øºÎÅÍ ½ÃÀ۵ǾúÀ¸¸ç, 4¿ùÃÊ¿¡ ¼º¼÷ÇÑ Á¾ÀÚ°¡ ÃâÇöÇÏ¿´´Ù. ÇØ¼ö³»ÀÇ Áú»ê¿°°ú Àλ꿰ÀÇ ³óµµ´Â °èÀý¿¡ µû¸¥ Â÷À̸¦ ³ªÅ¸³»¾úÀ¸³ª, ¾Ï¸ð´Ï¾ÆÀÇ ³óµµ´Â °èÀý¿¡ µû¶ó ´Ù¾çÇÏ°Ô ³ªÅ¸³µ´Ù. ½Ä¹°Ã¼ÀÇ ÇüÅÂÀûÀÎ ÇüÁú°ú ÀÌÈ­ÇÐÀûÀÎ ÇüÁúÀº À¯ÀÇÇÑ »ó°ü°ü°è¸¦ ³ªÅ¸³»Áö ¾Ê¾ÒÀ¸³ª, Æ÷±â°Å¸Ó¸®¸» »ý½Ä ´Ü°è¿Í »ýȰ»ç´Â ¼ö¿Â¿¡ ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ÃßÁ¤µÈ´Ù. ´ö»êÇ׿¡¼­ Æ÷±â°Å¸Ó¸®¸»±ºÁýÀÇ »ýÀ°¹Ðµµ¿Í Áö»óºÎ »ý¹°·®Àº °¢°¢ $511.6pm{25.6};shoots;m^{-2}$¿Í $413.4pm{19.8};g;dry;wt;m^{-2}$·Î Ãß»êµÇ¾ú´Ù.
From March 1998 to August 2000, the phonology and morphometrics change of Zostera caespitosa Miki were examined at the Duksan Port in the eastern coast of Korea. Morphometric characteristics (shoot height, leaf length, sheath length, leaf width, and number of leaf per shoot), size and number of reproductive structures (spathe, spadix, and seeds), shoot density, biomass and physiochemical parameters (water temperature and nutrient concentrations) were measured. Significant differences between months (p < 0.05) existed for morphometric characteristics except for sheath length. The sequence of shoot heights clearly showed cyclical annual variation with water temperature. Vegetative shoots of Z. caespitosa were present throughout the year, but reproductive shoots were rarely occurred from mid January to early April in water temperature of $9-12^circ{C}$. Flowering in the spathe began in mid February, and seed maturing was occurred in early April. Water column nitrate and phosphate concentration showed seasonal variation, but ammonia concentration was variable with season. Relationships between shoot morphometrics and physiochemical parameters were not significantly correlated but water temperature seemed to regulate the re-productive phase and annual life cycle. The mean shoot density and above biomass of the populations were $511.6pm{25.6};shoots;m^{-2}$ and $413.4pm{19.8};g;dry;wt;m^{-2}$, respectively.
 
Ű¿öµå
Duksan Port;Eastern coast of Korea;Flowering phenophase;Morphometric change;Phonology;Reproductive shoot;Seagrass;Vegetative shoot;Zostern caespitosa;
 
ȯ°æ»ý¹° / v.20, no.4, 2002³â, pp.339-346
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921713773)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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