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Çѱ¹»ýÅÂÇÐȸ / v.27, no.5, 2004³â, pp.257-261
Èñ±Í½Ä¹°ÀÎ ´«Ç⳪¹«(Juniperus chinensis var. sargentii)ÀÇ °ø°£ºÐÆ÷¿¡ µû¸¥ À¯Àü±¸Á¶ ¹× À¯ÀüÀû ´Ù¾ç¼º
( Spatial Genetic Structure and Genetic Diversity of a Rare Endemic Juniperus chinensis var. sargentii in Mt. Halla, Korea )
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´«Ç⳪¹«(Juniperus chinensis var. sargentii Henry)´Â »çÇÒ¸°, ÀϺ» µîÀÇ µ¿ºÏ¾Æ½Ã¾Æ¿Í Çѹݵµ¿¡¼­´Â Àü±¹ÀÇ °í»êÁö´ë¿¡¼­ ÀÚ¶ó´Â »ó·Ï¼º ¼Ò°ü¸ñÀ¸·Î¼­ Èñ±Í ¹× ¸êÁ¾ À§±â ½Ä¹°(»ê¸²Ã»)·Î ÁöÁ¤µÇ¾î ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÇѶó»ê¿¡ ¼­½ÄÇÏ´Â ´«Ç⳪¹« Áý´ÜÀÇ ºÐÆ÷ÇüÅ ¹× Ư¼º, À¯ÀüÀû ´Ù¾ç¼º°ú °ø°£Àû À¯Àü±¸Á¶¸¦ ÆÄ¾ÇÇÏ¿´´Ù. Á¶»ç±¸(40m ¡¿ 60m)¿¡´Â ÃÑ 131°³ÀÇ ´«Ç⳪¹« clump°¡ ÀÚ»ýÇϰí ÀÖ¾úÀ¸¸ç À̵é Àüü º»¼ö¸¦ ´ë»óÀ¸·Î ±ºÁýÁö¼ö¸¦ °è»êÇÑ ¹Ù, ÀÓÀÇºÐÆ÷Çϰí ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù ¸ðµç °³Ã¼µé¿¡ ´ëÇÏ¿© ISSR À¯ÀüÀÚÇüÀ» ºñ±³ÇÑ °á°ú, 15°³Ã¼´Â Ŭ·ÐÀ¸·Î, ³ª¸ÓÁö´Â °¢±â ¼­·Î ´Ù¸¥ genetÀ¸·Î ±¸¼º µÇ ¾î ÀÖ¾ú´Ù. 21°³ ÀÇ ISSR Ç¥ÁöÀÚ¸¦ ¹ÙÅÁÀ¸·Î °è»êÇÑ ShannonÀÇ ´Ù¾ç¼ºÁö¼ö(I=0.463)´Â ÀûÀº °³Ã¼¼ö¿Í Á¦ÇÑÀû ºÐÆ÷¿¡µµ ºÒ±¸Çϰí À¯ÀüÀû ´Ù¾ç¼ºÀÌ ´Ù¸¥ ¼öÁ¾¿¡ ºñÇØ ºñ±³Àû ³ôÀº ÆíÀ¸·Î ³ªÅ¸³µ´Ù. °ø°£Àû ÀÚ±â»ó°ü ºÐ¼®¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© °ø°£Àû À¯Àü±¸Á¶¸¦ ÆÄ¾ÇÇÑ °á°ú, Á¶»çÁö¿ª³»ÀÇ ´«Ç⳪¹« Áý´ÜÀº 8m À̳»¿¡¼­ À¯ÀüÀûÀ¸·Î À¯»çÇÑ ±º¶ô±¸Á¶¸¦ °®°í ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, Ŭ·Ð ¹ø½ÄÀÌ °ø°£Àû À¯Àü ±¸Á¶¿¡ ¹ÌÄ¡´Â ¿µÇâÀº °ÅÀÇ ¾ø´Â °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
Juniperus chinensis var. sargentii Henry is a short and creeping evergreen shrub which reaches about 50§¯ in height and occurs in the northeast Asia and in high mountains over the South Korea. Its distribution is restricted, and the number of individuals are gradually decreasing. This study was conducted to estimate spatial pattern, genetic diversity and spatial genetic structure of J. chinensis var. sargentii. A total of 131 clumps were studied in the study area (40m ¡¿ 60m). The spatial pattern of this population was random (Aggregation index R=1.031). In spite of the small number and the limited distribution, the level of genetic diversity (Shannon's index 1=0.463) was relatively high as compared with those of other plant species with similar ecological characteristics. ISSR genotypes of all individuals were investigated to find the genetic relationship of clumps and genets. Fifteen clumps were composed to be clones, and a total of 116 unique genotypes were composed by separate genets. Spatial autocorrelation analysis using Tanimoto distance showed that the genetic patch was established within 8m. The effect of clonal reproduction on genetic structure was almost nothing.
 
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°ø°£Àû À¯Àü±¸Á¶;±ºÁýÁö¼ö;´«Ç⳪¹«;À¯Àü´Ù¾ç¼º;Ŭ·Ð Aggregation index;Genet;Genetic diversity;ISSR marker;Juniperus chinensis var. sargentii;Spatial genetic structure;
 
The Korean Journal of Ecology / v.27, no.5, 2004³â, pp.257-261
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922971202)
¾ð¾î : Çѱ¹¾î
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