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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.1, 2006³â, pp.100-109
Çϼö󸮼ö¸¦ ÀÌ¿ëÇÑ Àΰø¼ö·Î¿¡¼­ »ç»ó¼º ºÎÂøÁ¶·ùÀÇ ¼ºÀå¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀεé
( Factors to Affect the Growth of Filamentous Periphytic Algae in the Artificial Channels using Treated Wastewater )
¹Ú±¸¼º;±èÈ£¼·;°øµ¿¼ö;½ÅÀç±â;Ȳ¼øÁø; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;±¹¸³È¯°æ°úÇпø ȯ°æÃÑ·®°ü¸®¿¬±¸ºÎ ¼öÁúÃÑ·®°ú;±¹¸³È¯°æ°úÇпø ÇѰ­¹°È¯°æ¿¬±¸¼Ò;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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º» ¿¬±¸´Â ¿µ¾ç¿°ÀÌ Ç³ºÎÇÑ Çϼö󸮼ö¸¦ ÀÌ¿ëÇÑ Àΰø¼ö·Î¿¡¼­ »ç»ó¼º ºÎÂøÁ¶·ùÀÇ ¼ºÀå¿¡ ¹ÌÄ¡´Â ¿äÀεé(À¯¼Ó. ºÎÂø±âÁú, ÀÎ ³óµµ)À» Æò°¡ÇÏ¿´´Ù. ½ÇÇèÀº Çϼö󸮼ö¸¦ ÀÌ¿ëÇÑ ÇöÀå Àΰø¼ö·Î¿Í ½Ç³» ¼øÈ¯¼ö·Î¿¡¼­ ºÎÂøÁ¶·ùÀÇ ¼ºÀå½ÇÇèÀ» ¼öÇàÇÏ¿´°í, ¼­·Î ´Ù¸¥ ÀÎ ³óµµ¿¡¼­ÀÇ »ç»ó¼º ºÎÂøÁ¶·ù Á¾°£ÀÇ ¼ºÀå·ü°ú ÀÎ Èí¼öÀ²À» ºñ±³ÇÏ¿´´Ù. Á¶ÀýµÈ À¯¼ÓÁ¶°Ç(5 ${sim}$ 15 cm $s^{-1}$)¿¡¼­ »ç»ó¼º ºÎÂøÁ¶·ùÀÇ ¼ø»ý»ê¼ºÀº À¯¼ÓÀÌ ºü¸¦¼ö·Ï ³ô¾ÒÀ¸³ª ÃÖ´ëÀÇ ¼ø»ý»ê¼ºÀº 10 cm $s^{-1}$ À¯¼Ó¿¡¼­ ³ªÅ¸³µ´Ù. ÇöÀå Àΰø¼ö·Î¿Í ½Ç³»¼øÈ¯¼ö·Î ½ÇÇè °£¿¡ »ç»ó¼ººÎÂøÁ¶·ùÀÇ Ãִ뼺ÀåÀº ±âÁú¿¡ µû¶ó ´Ù¸£°Ô ³ªÅ¸³µ´Ù. ºÎÀ¯¹°ÁúÀÌ ÃæºÐÈ÷ Á¦°ÅµÇÁö ¾Ê¾Ò´ø ÇöÀå Àΰø¼ö·Î ½ÇÇè¿¡¼­´Â ¸Á¸ñÀÌ 20 mmÀΠö¸Á¿¡¼­, ½Ç³»¼øÈ¯¼ö·Î ½ÇÇè¿¡¼­ »ç»ó¼º ºÎÂøÁ¶·ùÀÇ ¼ºÀåÀº ÀÚ¿¬¼¶À¯¸Á¿¡¼­ ³ô°Ô ³ªÅ¸³µ´Ù. 0.05 ${sim}$ l.0 mg P $L^{-1}$·Î Á¶ÀýµÈ ÀÎ ³óµµ¹üÀ§¿¡¼­ 3Á¾ÀÇ »ç»ó¼º ºÎÂøÁ¶·ù ¼ºÀå·üÀº ÀÎ ³óµµ°¡ ³ô¾ÆÁü¿¡ µû¶ó Áõ°¡ÇÏ¿´À¸³ª, °¢ Á¾µéÀº ÀÎ ³óµµ¿¡¼­ µû¶ó Â÷º°ÀûÀÎ ¼ºÀåÀ» ³ªÅ¸³Â´Ù. ¶ÇÇÑ ¿µ¾ç¿° ³óµµ°¡ ¸Å¿ì ³ôÀº ȯ°æ¿¡¼­ »ç»ó¼º ºÎÂøÁ¶·ù »ý¹°·®ÀÇ ¹ß´ÞÀÌ Å©¸é Ŭ¼ö·Ï ³ôÀº À¯¼ÓÀÌ »ç»óüÀÇ Å»¸®¸¦ À¯¹ßÇÏ¿© Á¶·ùÀÇ ¼ºÀåÀ» °¨¼Ò½ÃŰ´Â Á¦ÇÑ¿äÀÎÀ¸·Î ÀÛ¿ëÇÒ ¼ö ÀÖÀ½ÀÌ Á¦½ÃµÇ¾ú´Ù. Å»¸®µÈ »ç»óü´Â ¿¬°áµÈ ÇÏõ, Àú¼öÁö, ÇÏ·ùÀÇ ¼öÁú°ú »ýŰ踦 ¾ÇÈ­½Ãų ¼ö Àֱ⠶§¹®¿¡ ÇÏõ ¼öÁú°ü¸®¿¡ ÀÖ¾î Áß¿äÇÑ ¿äÀÎÀ¸·Î °í·ÁÇÑ Çʿ伺ÀÌ Å©´Ù.
This study evaluated the effects of water velocity, substrates, and phosphorus concentrations on the growth of filamentous periphytic algae (FPA) in the two types of artificial channel systems using treated wastewater. Controlled parameters included 5 ${sim}$ 15 cm $s^{-1}$ for the water velocity; 10 and 20 mm wire meshes, natural fiber net, gravel and tile for the substrates: and 0.05 ${sim}$ 1.0 mgP $L^{-1}$ for the P concentration. Algal growth rate of FPA was compared using both chi. a and dry weight change with time. Under the controlled water velocity range, the growth of FPA increased with the velocity, but the maximum growth rate was shown in the velocity of 10 cm $s^{-1}$. The substrate that showed the maximum growth of FPA differed between the artificial channel and indoor channel, due to the influence of suspended matters which caused the clogging of the meshed substrates. Under the controled range of P concentration, the growth rates of all three FPA species (Spirogyra turfosa, Oedogonium fovelatum, Rhizoclonium riparium) increased with the P increase, but they showed the differential growth rates among different P concentrations. The results of this study suggest that under the circumstance having an large amount of nutrients FPA develop the biomass rapidly and that even a little increase over the threshold velocity causes the detachment of filamentous periphytic algae. Thus, FPA dynamics in eutrophic streams, such as those receiving treated wastewater, seem to be sensitive to the water velocity. On the other hand, detached algal filaments could deteriorate water quality and ecosystem function in receiving streams or down-stream, and thus they need to be recognized as an important factor in water quality management in eutrophic streams.
 
Ű¿öµå
filamentous periphytic algae;growth rate;current velocity;substrate;phosphorus;artificial channel;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.1, 2006³â, pp.100-109
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317186469)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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