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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.1, 2004³â, pp.200-205
¸¶»ê¸¸¿¡¼­ ºÐ¸®ÇÑ Alexandrium tamarense ÈÞ¸é½Ã½ºÆ®ÀÇ ¹ß¾Æ¿Í ȯ°æ¿äÀÎÀÇ ¿µÇâ
( Effects of Environmental Conditions on Germination of Alexandrium tamarense Cysts from Masan Bay, Korea )
¹Ú¸íȯ;±è¿µ¿Á;Á¶¼ö¿¬;ÇѸí¼ö; ÇѾç´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ ȯ°æ°úÇаú, »ý¸í°úÇаú;
 
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À¯µ¶¼º ¿ÍÆí¸ðÁ¶·ù Alexandrium tamarense ÈÞ¸é½Ã½ºÆ®ÀÇ ¹ß¾ÆÀ²À» ¿©·¯ ȯ°æÁ¶°ÇÇÏ¿¡¼­ ÃøÁ¤ÇÏ¿© °¢°¢ÀÇ È¯°æ¿äÀΰú ÈÞ¸é½Ã½ºÆ®ÀÇ ¹ß¾ÆÀ²°úÀÇ °ü°è¸¦ ¹àÈ÷°íÀÚ ÇÏ¿´´Ù. ¸¶»ê¸¸¿¡¼­ äÁýÇÑ ÇØÀú´Ï·ÎºÎÅÍ ÈÞ¸é½Ã½ºÆ®¸¦ ºÐ¸®ÇÏ¿© ½ÇÇè½Ç ¹è¾çÀ» ÅëÇØ ¿Âµµ, ±¤Á¶°ÇÀÇ À¯¹«, ¿°ºÐ ±×¸®°í Àú´ÏÃþÀÇ ±íÀÌ¿¡ µû¸¥ ¹ß¾ÆÀ²À» °¢°¢ Á¶»çÇÏ¿´´Ù. ¿Âµµº° ¹ß¾ÆÀ²Àº $15^{circ}C$¿¡¼­ °¡Àå ³ô¾ÒÀ¸¸ç $10^{circ}C$¿¡¼­µµ ³ôÀº ¹ß¾ÆÀ²ÀÌ ±â·ÏµÈ ¹Ý¸é, $20^{circ}C$¿Í $25^{circ}C$¿¡¼­´Â °ÅÀÇ ¹ß¾ÆµÇÁö ¾Ê¾Ò´Ù. ±¤Á¶°ÇÀÇ À¯¹«¿¡ µû¸¥ ¹ß¾ÆÀ²Àº ¸íÁ¶°Ç°ú ¾ÏÁ¶°Ç¿¡¼­ µÎµå·¯Áø Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù. ¿°ºÐ¿¡ µû¸¥ ¹ß¾ÆÀ²µµ Å« Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. Àú´ÏÃþº° ¹ß¾ÆÀ²Àº 3¿ù¿¡ ºÐ¸®µÈ ÈÞ¸é½Ã½ºÆ®ÀÇ °æ¿ì´Â Ç¥ÃþÀÌ ÀúÃþº¸´Ù ³·Àº ¹ß¾ÆÀ²À» º¸¿´Áö¸¸, 11¿ù¿¡´Â Ç¥ÃþÀÌ ÀúÃþº¸´Ù ³ôÀº ¹ß¾ÆÀ²À» º¸¿© ½Ã±âº°·Î ´ëÁ¶ÀûÀÎ °á°ú¸¦ ¾ò¾ú´Ù. µû¶ó¼­, ¸¶»ê¸¸¿¡¼­ ºÐ¸®µÈ A. tamarense ÈÞ¸é½Ã½ºÆ®ÀÇ ¹ß¾Æ´Â ¼ö¿ÂÀÇ º¯È­¿¡ °¡Àå Å« ¿µÇâÀ» ¹Þ´Â´Ù°í ÆÇ´ÜµÈ´Ù.
The effects of environmental eonditions on germination of Alexandrium tamarense cysts were examined. The cysts were isolated from the sediment samples collected from Masan Bay. Germination success was measured by the incubation of cysts under the laboratory conditions and compared in different water temperatures, salinities, and sediment depths. The highest germination rate was recorded at $15^{circ}C$ and relatively higher germination rate was observed at $10^{circ}C$ above, while little or no germination occurred at 20 to $25^{circ}C$. Light and salinity affected little on the excystment. Germination rate according to the sediment depths was higher in the lower layer (5¡­10 cm) than in the upper (0¡­2 cm) of the sediments collected in March, while higher in the upper than the lower in November. :Based on these results, water temperature seems a principal factor controlling germination of A. tamarense in Masan Bay.
 
Ű¿öµå
Alexandrium tamarense cysts;environmental factors;germination;sediment depth;
 
ȯ°æ»ý¹° / v.22, no.1, 2004³â, pp.200-205
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922293342)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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