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Çѱ¹»ýÅÂÇÐȸ / v.23, no.5, 2000³â, pp.369-375
µµ½Ã¿¡¼­ ´Ù¾çÇÑ Åä¾çÀÇ ¹°¸®È­ÇÐÀû Ư¼º°ú ¹Ì»ý¹° Ȱ¼º
( Physicochemical Characteristics and Microbial Activity in the Various Urban Soils )
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µµ½Ã¿¡¼­ Åä¾çÀ» º¸Á¸Çϰí ÇÕ¸®ÀûÀ¸·Î ÀÌ¿ëÇϱâ À§ÇÏ¿© µµ½Ã Åä¾çÀ» °úÇÐÀûÀ¸·Î ÀÌÇØÇÏ´Â °ÍÀÌ ÇÊ¿äÇÏÁö¸¸ ¾ÆÁ÷±îÁö ÀÌó·³ °úµµÇÏ°Ô °ü¸®µÇ°í ±³¶õµÈ Åä¾çÀÇ Æ¯¼º¿¡ ´ëÇÏ¿© ÁýÁßÀûÀ¸·Î ¿¬±¸µÇÁö ¾Ê¾Ò´Ù. º» ¿¬±¸¿¡¼­ Á¶»çµÈ ÀÎõÀÇ »ê¸², Àܵð¹ç, °¡·Î¼ö, ³ªÁö ¹× Æ÷Àå ¹Ø Åä¾ç¿¡¼­ ´ä¾Ð¿¡ ÀÇÇÑ °ß¹ÐÈ­¿¡ ÀÇÇÏ¿© Åä¾ç °¡¹Ðµµ°¡ ³ô¾Ò´Ù. ¶ÇÇÑ ´Ù¾çÇÑ µµ½Ã Åä¾ç¿¡¼­ ¼öºÐÇÔ·®Àº Àü¿øÁö »ê¸² Åä¾ç¿¡ ºñÇÏ¿© Àû¾ú°í Áö¿ÂÀº ³ô¾Ò´Ù. È­ÇÐÀûÀ¸·Î´Â µµ½Ã Åä¾ç¿¡¼­ pH°¡ Áß¼º¿¡ °¡±õ°í À¯±â¹° ÇÔ·®ÀÌ Àû¾ú´Ù. µµ½Ã Åä¾çÀÇ ÃѼ¼±Õ¼ö´Â Àü¿øÁö »ê¸² Åä¾çÀÇ ´ÜÁö 5¡­50% ¼öÁØÀ̾ú´Ù. ´Ü°è½Ä ´ÙÁßȸ±ÍºÐ¼®ÀÇ °á°ú, Åä¾ç À¯±â¹°ÇÔ·®ÀÌ ÃѼ¼±Õ¼ö¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ÁÖ¿äÇÑ ¿äÀÎÀ¸·Î¼­ ¼±Á¤µÇ¾ú´Ù. ´ëºÎºÐÀÇ µµ½Ã Åä¾ç¿¡¼­ Å»¼ö¼ÒÈ¿¼Ò Ȱ¼ºµµ´Â Àü¿øÁö »ê¸² Åä¾ç°ú À¯ÀÇÇÑ Â÷À̰¡ ¾ø¾úÀ¸³ª, ¾Æ½ºÆÈÆ® Æ÷Àå ¹Ø Åä¾ç¿¡¼­´Â ³·¾Ò´Ù ±×·¯¹Ç·Î °ß¹ÐÇÑ µµ½Ã Åä¾ç¿¡¼­ ³·Àº À¯±â¹°ÇÔ·®ÀÌ ¹°Áú ¼øÈ¯¿¡ °ü¿©ÇÏ´Â ¹Ì»ý¹° ¼ö¿¡ ¾Ç¿µÇâÀ» ¹ÌÄ£´Ù°í ÆÇ´ÜµÇ¾ú´Ù.
Although urban soils must be well understood in order to ensure their conservation and optimum use, these intensively managed and disturbed soils have not been extensively investigated up to now. Urban soils from forest, lawn, streetside, and bare ground and under pavement in Inchon had high bulk density as a result of widespread trampling-induced soil compaction. The various urban soils including forests showed lower water content and higher temperature as compared with rural forest soil. Chemically, soils from urban areas had an unusual neutral pH and low organic matter content. Total bacterial numbers in urban soils was only 5¡­50% of that in the rural forest soil. An analysis of stepwise multiple regression revealed that soil organic matter was the most important predictor variable on total bacterial number. The dehydrogenase activity of most urban soils was not significantly different from that of rural forest soil, whereas the microbial activity of soils under pavement was lower. Our investigations show that inadequate organic matter of highly compacted soils has adversely affected the abundance of microorganisms involving nutrient cycling in urban soils.
 
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The Korean Journal of Ecology / v.23, no.5, 2000³â, pp.369-375
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921336371)
¾ð¾î : Çѱ¹¾î
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