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Çѱ¹»ýÅÂÇÐȸ / v.23, no.1, 2000³â, pp.17-23
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( Three Species Associations with Spatial Autocorrelation Analysis in Community )
Ç㸸±Ô;ÇãÈ«¿í;±èâȣ; ºÎ»ê´ëÇб³ »ý¹°±³À°°ú;ºÎ»ê´ëÇб³ »ý¹°±³À°°ú;½Å¶ó´ëÇб³ »ý¸í°úÇаú;
 
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¼Ò³ª¹«(Pinus densiflora), Áã¶Ë³ª¹«(Ligustrum obtusifolium), ±×¸®°í ¿À¸®³ª¹«(Alnus japonica)ÀÇ °ø°£Àû »ó°ü°ü°è¸¦ »ýÅÂÀû, À¯ÀüÀû ºÐ¼®À» ÅëÇØ »ìÆìº¸¾Ò´Ù. ÀÌ °¡¿îµ¥, ¼Ò³ª¹«¿Í Áã¶Ë³ª¹«ÀÇ »ýÅÂÀû °ø°£°ü°è´Â ¾çÀÇ »ó°ü°ü°è¸¦ ³ªÅ¸³½ ¹Ý¸é, Áã¶Ë³ª¹«¿Í ¿À¸®³ª¹«´Â À½ÀÇ »ó°ü°ü°è¸¦ ³ªÅ¸³»¾ú´Ù. MoranÀÇ I°ª°ú Ç¥ÁØÆíÂ÷(SND: standard normal deviate)°ª¿¡ ÀÇÇÏ¸é ¼Ò³ª¹«´Â 18 m¿¡¼­ Áý´Ü±¸Á¶¸¦ Çü¼º ÇÑ ¹Ý¸é, Áã¶Ë³ª¹«´Â 12.5 m°£°ÝÀ¸·Î Áý´Ü±¸Á¶°¡ Çü¼ºµÇ¾î ÀÖ¾ú´Ù. ¿À¸®³ª¹«´Â ¸íÈ®ÇÑ Áý´Ü±¸Á¶°¡ °á¿©µÇ¾î ÀÖ¾ú´Ù. ¼Ò³ª¹«¿Í Áã¶Ë³ª¹«ÀÇ µÎ Á¾°£ÀÇ °ø°£±¸Á¶¿¡ ÀÖ¾î, À¯ÀüÀûÀ¸·Î À¯ÀÇÇÑ »ó°ü°ü°è°¡ Çü¼º µÈ °ÍÀº ¼Ò³ª¹«ÀÇ ¼ö°üÀÌ ºñ±³Àû Á¼°í, ÀûÀýÇÑ ÇÇÀ½È¿°ú¸¦ Á¦°øÇÔÀ¸·Î½á, Áã¶Ë³ª¹«ÀÇ »ýÀ°¿¡ ±â¿©ÇÏ¿´±â ¶§¹®À¸·Î »ý°¢µÈ´Ù. ¿À¸®³ª¹«¿Í Áã¶Ë³ª¹«ÀÇ °æ¿ì, ±¤ÇÕ¼º°ú °ü·ÃÇÑ ¼ö±¤°æÀï¿¡¼­ ºñ±³Àû ³ÐÀº ¿À¸®³ª¹«ÀÇ ¼ö°ü ¶§¹®¿¡,µÎ Á¾°£ÀÇ µ¿¼ÒÀû °ü°è°¡ ¹æÇصǴ °ÍÀ¸·Î ÃßÁ¤µÈ´Ù.
The spatial distribution of allelic frequencies was studied in the natural population of three species (Ligustrum obtusiflolium, Alnus japonica, and Pinus densflora). The distributional patterns of the crown-cover centers were compared between two populations in forests. L. obtusifolium and p. densiflora showed a significantly positive spatial autocorrelation as measured by Moran's I. In P densiflora, the genetic similarity was shown by individuals within up to a scale of 18 m distance and this is partly due to combination of pollen dispersal and long distance seed dispersal by wind or men. In L. obtusifolium, population structure in the distribution of allelic frequencies is related to mating systems and is consisted of a scale of 12.5 m intervals. No spatial structuring of allele frequencies was found for polymorphic enzyme loci within a natural population of Alnus japonica. The results also in- dicate that positive associations between L. obtusifolium and P densiflora can occur when both select the same habitat or have the same environmental requirements.
 
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°ø°£Àû »ó°ü°ü°è;MoranÀÇ I°ª;¼Ò³ª¹«;¿À¸®³ª¹«;Áã¶Ë³ª¹«;Alnus japonica;Ligustrum obtusifolium;Moran¡Çs I;Pinus densiflora;Spatial autocorrelation;
 
The Korean Journal of Ecology / v.23, no.1, 2000³â, pp.17-23
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921335893)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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