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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.7, no.1, 1993³â, pp.10-21
Àΰø»ê¼º¿ì°¡ ¸î ħ¿±¼öÁ¾ÀÇ Á¾Àڹ߾Æ, »ýÀå ¹× Ä§¿±¿¡ ¹ÌÄ¡´Â ¿µÇâ(2)
( Effects of Artificial Acin Rain on Seed Germination, Growth and Needle of Several Conifers(2) )
±è°©ÅÂ;Ãß°©Ã¶; »óÁö´ëÇб³ ³ó°ú´ëÇÐ;ÁøÁÖ»ê¾÷´ëÇб³;
 
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¼Ò³ª¹«, °õ¼Ö, Á£³ª¹« ¹× µ¶Àϰ¡¹®ºñ¸¦ ´ë»óÀ¸·Î ÀÎÀ§ÀûÀ¸·Î »êµµ¸¦ Á¶ÀýÇÑ Àΰø»ê¼º¿ì(PH 3.0, 4.0 ¹× 5.0)¿Í ÁöÇϼö(pH 6.5)¸¦ 1991³â 4¿ùºÎÅÍ 1993³â 8¿ù±îÁö, »ýÀ°±â°£ Áß¿¡´Â ÁÖ 2~3ȸ, °Ü¿ïöÀº ÁÖ 1ȸ 1ȸ 5mmÀÇ °­µµ·Î ó¸®ÇÏ¿´´Ù. Àΰø»ê¼º¿ì¸¦ ó¸®Çϸ鼭 ¼öÁ¾º° ¹ß¾Æ ¹× µæ¹¦À², Åä¾ç»êµµ, À¯¹¦ÀÇ »ýÀå ¹× Á¢Ã˰¢(contact angle)À» Á¶»ç.ºñ±³ÇÏ¿© ¾òÀº °á°ú´Â ´ÙÀ½°ú °°´Ù. ¹¦¸ñÀÇ »ýÀå°ü·Ã ÇüÁú(¹¦°í, ÁöÇϺÎ, ¿±·® ¹× °³Ã¼´ç °ÇÁß·®)ÀÇ °æ¿ì¿¡´Â »ê¼º¿ìó¸® Ãʱ⿡´Â »ê¼º¿ì 󸮰¡ ¾ç·á·Î¼­ÀÇ È¿°ú¸¦ °¡Áö´Â °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç, ¼öÁ¾º°·Î »óÀÌÇÑ ¹ÝÀÀÀ» º¸¿´´Ù. ±×·¯³ª 󸮰¡ 2³â ÀÌ»ó Áö¼ÓµÈ 3Â÷³âµµ¿¡¼­´Â 󸮻꼺¿ìÀÇ »êµµ¼öÁØÀÌ ³ôÀ»¼ö·Ï ¸ðµç ¼öÁ¾¿¡¼­ »ýÀå°ü·Ã ÇüÁúµéÀÌ °¨¼ÒµÇ´Â °æÇâÀ» º¸¿´À¸¸ç, ÀÌ´Â Åä¾ç¿ÏÃæ·ÂÀÇ ÇѰè ÀÌ»óÀ¸·Î ÅõÇϵǴ »êÁýÀû¿¡ ÀÇÇÑ °á°ú·Î ÆÇ´ÜµÈ´Ù. ¿±ÇÇÇØÀ²À̳ª ¿±·®(³«¿±À²)µîÀÇ ÀÚ·á´Â 󸮻꼺¿ìÀÇ »êµµ¼öÁذú °ü·ÃÁö¾îÁ® ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³ª »ê¼º¿ì ÇÇÇØÀÇ Á¶±âÆÇ´Ü ±âÁØÀ¸·Î »ç¿ë°¡Ä¡°¡ ³ôÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. Åä¾ç»êµµ´Â 󸮰£ °íµµÀÇ Åë°èÀû À¯ÀÇÂ÷°¡ ÀÎÁ¤µÇ¾ú´Ù. ħ¿±ÀÇ Ç¥¸é°ú ¹°¹æ¿ïÀÌ ÀÌ·ç´Â Á¢Ã˰¢À» ÃøÁ¤ÇÑ °á°ú, 󸮻꼺¿ìÀÇ »êµµ¼öÁØÀÌ ³ôÀ»¼ö·Ï ¿±·ÉÀÌ ³ôÀ»¼ö·Ï Á¢Ã˰¢ÀÇ Å©±â´Â ³·¾ÆÁ³´Ù. Á¢Ã˰¢À» ÃøÁ¤ºñ±³ÇÏ´Â ¹æ¹ýÀº ¾ß¿Ü¿¡¼­ ħ¿±¼ö·ù¿¡ ´ëÇÑ »ê¼º¿ì ÇÇÇØÀÇ Á¶±âÆÇ´ÜÀ» À§ÇÑ ¾Ë¸Â°í ÈǸ¢ÇÑ ±âÁØÀ̶ó ÆÇ´ÜµÈ´Ù.
Artificial acid rain (pH 3.0, 4.0 and 5.0) and ground was treated on the seeded pots of 4 species to examine its effects on germination and survival rate, seedling growth and contact angles on needle surface. Artificial acid rain was prepared by diluting sulfuric acid with ground water and ground water (pH 6.5) was used as control. Artificial acid rain was sprayed to seeded pots two or three times per week for growing season, one times per week for winter seasons. About 5mm of artificial acid rain was treated each time from early April, 1991 to early October, 1993. Germination and survival rate, soil acidity, seedling growth and contact angles on the needle surface were measured and compared among the treatments. The results were summarized as follows ; Artificial acid rain might have positive effects on growth-related characteristics of the seedlings in the first and second year of acid rain treatment, and the effects were differed among four species. All growth-related characteristics of the seedlings in third year, however, decreased with decrease of pH values of artificial acid rain. This was considered to the results of acidic accumulation over soil buffer capacity. Needle injury and biomass (defoliation) was correlated with the pH values of artificial acid rain, and this character might be a good criteria for early diagnosis of acid rain injury. The differences of soil acidity were significant among the treatments for all species. Contact angles between needle surface and water droplet decreased with decrease of pH values of artificial acid rain. Measuring and comparing contact angles might be very good criteria for early diagnosis of acid rain injury.
 
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Àΰø»ê¼º¿ì;À¯¹¦»ýÀå;Åä¾ç»êµµ;Á¢Ã˰¢;Artificial Acid Rain;Seedling Growth;Soil Acidity;Contact Angle;
 
Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.7, no.1, 1993³â, pp.10-21
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199311922083002)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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