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À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2015.03.18 Á¶È¸¼ö 280
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¸ß½ÃÄÚ ½Ã³¯·Î¾ÆÀÚÄ¡´ëÇб³ Francisco Delgado Vargas ¹Ú»ç´Â °­ºÎµé(Typha domingensis) ¼öÃʸ¦ ÀÌ¿ëÇØ ³ó¾÷¿ë¼ö ³» ¹ÚÅ׸®¾Æ ¿À¿°À» Àú°¨½ÃÅ°´Â ¹æ¹ýÀ» ¿¬±¸ÇÏ°í ÀÖ´Ù. °­ºÎµéÃÊ´Â Áúº´À» À¯¹ßÇÒ ¼ö ÀÖ´Â Àå³»¼¼±Õ ¿À¿°À» ÃÖ´ë 98% °¡·® °¨¼Ò½ÃÅ°´Âµ¥ ÀÏÁ¶ÇÒ ¼ö ÀÖ´Ù. °­ºÎµéÀº °í³óµµÀÇ ¿À¿°À» °ßµð¸ç ¹°¿¡¼­ Àڶ󳪴 ½Ä¹°ÀÌ´Ù. ¿¬±¸ÁøÀº ¡°°­ºÎµéÀÇ »Ñ¸®´Â Ç×»ó ¹°¿¡ Àá°Ü ÀÖÀ¸¸ç, Åä¾ç¿¡¼­ ³ª¿Â ¿µ¾ç¼Ò¸¦ Èí¼öÇÏ°í º´¿ø±Õ ¿µÇâÀ» ¾àÈ­½ÃÅ°´Âµ¥ ÀÏÁ¶ÇÏ´Â È­ÇÕ¹°À» ¹èÃâÇÑ´Ù¡±°í ¼³¸íÇÏ¿´´Ù.

¸ß½ÃÄÚ ¿¬±¸ÁøÀº µ¶ÀÏ Ç︧ȦÃ÷(Helmholtz) ¼¾ÅÍ¿ÍÀÇ °øµ¿ ¿¬±¸¸¦ ÅëÇØ, ³óÁö ¹è¼ö°¡ Áúº´ ¶Ç´Â »ç¸Á±îÁö À¯¹ßÇÒ ¼ö ÀÖ´Â »ý¹°ÇÐÀû, È­ÇÐÀû ¿À¿° ¿µÇâÀ» Àú°¨ÇÒ ¼ö ÀÖ´ÂÁö »ìÆ캸¾ÒÀ¸¸ç, ¶ÇÇÑ ÀÌ·¯ÇÑ ¹è¼ö·Î¸¦ ¿À¿°½ÃÅ°´Â ¹°ÁúÀÌ ¹«¾ùÀÎÁö ¹àÈú ¼ö ÀÖ´Â Áõ°Å¸¦ È®º¸ÇÏ°íÀÚ ÇÏ¿´´Ù.

¸ß½ÃÄÚ ºÏµ¿ºÎ Áö¿ªÀÇ ¡°La Michoacana¡° ¹è¼ö Áö¿ª¿¡¼­ 1³â µ¿¾È ¹°, ÅðÀû¹°, °­ºÎµé ½Ã·á¸¦ äÃëÇÏ¿´´Ù. ÇØ´ç ±¸È¹Àº ³ó¾÷, Ãà»ê, ¿îÇÏ º¯¿¡ À§Ä¡ÇÑ µµ½Ã¿¡¼­ ¹èÃâµÇ´Â ¹°°ú °íÇü Æó±â¹°ÀÌ ¸ðÀÌ´Â °÷ÀÌ´Ù. Delgado Vargas ¹Ú»ç´Â ¡°ÇØ´ç ±¸È¹ ¼±ÅÃÀ» À§Çؼ­´Â ±¹°¡ ¹° À§¿øȸ Àü¹®°¡µé°ú Ç︧ȦÃ÷ ¼¾ÅÍÀÇ Áö¿øÀÌ ÇÊ¿äÇß´Ù. ¿ì¸® ¿¬±¸ÁøÀº º» ¿¬±¸¿¡ °­·ÂÇÑ È¿°ú¸¦ º¸¿©ÁÙ ¹è¼öÁö¸¦ ¼±ÅÃÇϱâ À§ÇØ °ü°³±¸¸¦ »ìÆ캸±âµµ ÇÏ¿´´Ù¡±°í µ¡ºÙ¿´´Ù.

½Ã·á·ÎºÎÅÍ 10°¡ÁöÀÇ ¹ÚÅ׸®¾Æ¸¦ ¹ß°ßÇÏ¿´À¸¸ç, ÀÌ Áß Àå³»¼¼±ÕÀÌ ´Ù¼ö¸¦ Â÷ÁöÇÏ¿´´Ù. ¶ÇÇÑ ÀÌÀü ¿¬±¸¿¡¼± ¹ßÇ¥µÇÁö ¾Ê¾Ò´ø Ŭ·çÀ̺£¶ó(Kluyvera sp.)¿Í ÇÏÇÁ´Ï¾Æ(Hafnia sp.)µµ È®ÀεǾúÀ¸³ª, ÀÌ´Â Áö¿ªÀû Ư¼ºÀÌ °í·ÁµÈ °á°úÀÌ´Ù. È­ÇÐ ¿À¿°¹°Áú °¨¼Ò¿¡ °üÇÑ ¿¬±¸´Â µ¶ÀÏ Ç︧ȦÃ÷ ¼¾ÅÍ¿¡¼­ ÁøÇàµÇ¾ú´Ù. Vargas Delgado ¹Ú»ç´Â Àηù°¡ ¹è¼ö¿¡ ¿µÇâÀ» ¹ÌÄ¡°í ÀÖ´Ù°í ¸»ÇÑ´Ù. ´ëºÎºÐÀÇ ¿À¿°¹°ÁúÀº ¹è¼³ Æó±â¹°¿¡¼­ ±âÀÎÇϸç, °Ç°­¿¡ ¿µÇâÀ» ÁÙ ¼ö ÀÖ´Â ´Ù¸¥ ¹ÚÅ׸®¾Æµéµµ Á¸ÀçÇÏ°Ô µÈ´Ù.

Vargas Delgado ¹Ú»ç´Â °­ºÎµéÀÇ ¼­½ÄÁö¸¦ Á¦°ÅÇÏ°Ô µÇ¸é °­ºÎµéÀ» ÅëÇؼ­ ¾òÀ» ¼ö ÀÖ´Â »ýÅÂÇÐÀû ÀÌÁ¡À» ´õ ÀÌ»ó ±â´ëÇϱ⠾î·Æ´Ù°í ¸»ÇÑ´Ù. ¡°ÀûÀýÇÏ°Ô ¼³°èµÈ ¹è¼ö½Ã¼³À» ÅëÇØ, ÀÚÀ¯ À¯¼ö·®¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÀ¸¸é¼­µµ ¿À¿° ¹°Áú Àú°¨¿¡ È¿°úÀûÀÎ ½Ä¹°À» À§ÇÑ »ýÀå °ø°£À» ¸¶·ÃÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ º»Åä·ÎºÎÅÍ °úÀ×¼ö°¡ ¹èÃâµÇµµ·Ï, ³óÁö ¹è¼ö°¡ ÀûÀýÇÑ ¿ªÇÒÀ» Çϵµ·Ï µµ¿ï »Ó¸¸ ¾Æ´Ï¶ó ¼ö·ÎÀÇ ¿À¿° ¹°Áú ¿µÇâÀ» ÁÙÀÏ ¼ö ÀÖ´Ù¡±°í µ¡ºÙ¿´´Ù.
 
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Common weed revealed to diminish water pollution

Francisco Delgado Vargas, from the Autonomous University of Sinaloa (UAS), researches the use of the plant Typha domingensis in reducing bacterial contamination of water for agricultural use. This plant helps to reduce, up to 98 percent, pollution by enterobacteria (usually found in the intestines of mammals) involved in the development of disease.

The plant is presented in places where water flows and withstands high pollution concentrations. "The roots of Typha domingensis are always flooded, absorbing nutrients from the soil and releasing compounds that help reduce the impact of pathogens," says the researcher.

The study, conducted in collaboration with the Helmholtz center in Germany, specializing in environmental research, and with support from the National Counsil of Science and Technology (CONACYT) in Mexico, has two approaches: to demonstrate that an agricultural drain is able to reduce the impact of biological and chemical contamination that can cause diseases to the population and even death, and evidence which substances are thrown and polluting these channels.

The Faculty of Chemical and Biological Sciences, collected during one year water , sediment and Typha dominguensis samples of a segment 3.6 kilometers wide of the drain "La Michoacana" in the town of Navolato, Sinaloa, in the North East of Mexico.

The selected section receives water and solid waste from agriculture, livestock and the town located on the banks of the canal. "Site selection required the support of specialists of the National Water Commission (Conagua) and the Helmholtz Centre for Environmental Research, we toured the irrigation district 010 to choose the drain with the greater impact for the study," says Delgado Vargas.

In the analysis 10 kinds of bacteria were found, enterobacteria mainly; however two of them (Kluyvera and Hafnia) have not been reported in previous studies, which could mean a characteristic of the country or the locality.

The results of the decrease in chemical pollutants are being processed by the staff of the Helmholtz Centre in Leipzig, Germany.

Vargas Delgado indicates that humankind has an impact on the drains, "most pollution comes from fecal waste; this indicates that there is other bacteria that can affect health. "

He adds that Typha domingensis is considered a pest in the drains, therefore is removed; however, proper management of it helps the ecosystem. "We are invading the places where these plants develop, removing them and don't see the great ecological benefits that they provide."

"Properly designing drains, so that there is space for plants to help reduce pollution without affecting the free flow of water would allow the agricultural drains to play their role in the evacuation of excess water from the mainland and also lessen the impact of pollutants that are thrown into these channels ."

The team of Delgado Vargas also analyzes fruits like papache (Randia echinocarpa), ayale (Crescentia alata), aguama (Bromelia pinguin), uvalama (Vitex mollis), nanche of the coast (Zizyphus sonorensis) and yellow (Byrsonima crassifolia),some of the most used plants in traditional medicine in Central America.

In the analysis of the fruit, chemical compounds are looked for with anti infectious biological activities that can help public health conditions such as diabetes. Besides addressing chemicals aspects and nutrients to try to encourage their use as food sources. "For a megadiverse country like Mexico, knowledge and sustainable use of biodiversity is an obligation that benefits us all" (Agencia ID)
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