New evidences of Roundup® (glyphosate formulation) impact on the periphyton community and the water quality of freshwater ecosystems

Argentina is the second largest world producer of soybeans (after the USA) and along with the increase in planted surface and production in the country, glyphosate consumption has grown in the same way. We investigated the effects of Roundup® (glyphosate formulation) on the periphyton colonization....

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Autor principal: Vera, M.S
Otros Autores: Lagomarsino, L., Sylvester, M., Pérez, G.L, Rodríguez, P., Mugni, H., Sinistro, R., Ferraro, M., Bonetto, C., Zagarese, H., Pizarro, H.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2010
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100 1 |a Vera, M.S. 
245 1 0 |a New evidences of Roundup® (glyphosate formulation) impact on the periphyton community and the water quality of freshwater ecosystems 
260 |c 2010 
270 1 0 |m Pizarro, H.; Laboratorio de Limnología, Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Pab. II, C1428EHA, Buenos Aires, Argentina; email: hay@ege.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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520 3 |a Argentina is the second largest world producer of soybeans (after the USA) and along with the increase in planted surface and production in the country, glyphosate consumption has grown in the same way. We investigated the effects of Roundup® (glyphosate formulation) on the periphyton colonization. The experiment was carried out over 42 days in ten outdoor mesocosms of different typology: "clear" waters with aquatic macrophytes and/or metaphyton and "turbid" waters with great occurrence of phytoplankton or suspended inorganic matter. The herbicide was added at 8 mg L-1 of the active ingredient (glyphosate) in five mesocosms while five were left as controls (without Roundup® addition). The estimate of the dissipation rate (k) of glyphosate showed a half-life value of 4.2 days. Total phosphorus significantly increased in treated mesocosms due to Roundup® degradation what favored eutrophication process. Roundup® produced a clear delay in periphytic colonization in treated mesocosms and values of the periphytic mass variables (dry weight, ash-free dry weight and chlorophyll a) were always higher in control mesocosms. Despite the mortality of algae, mainly diatoms, cyanobacteria was favored in treated mesocosms. It was observed that glyphosate produced a long term shift in the typology of mesocosms, "clear" turning to "turbid", which is consistent with the regional trend in shallow lakes in the Pampa plain of Argentina. Based on our findings it is clear that agricultural practices that involve the use of herbicides such as Roundup® affect non-target organisms and the water quality, modifying the structure and functionality of freshwater ecosystems. © 2009 Springer Science+Business Media, LLC.  |l eng 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica, PICT 01104 
536 |a Detalles de la financiación: PIP 5614 
536 |a Detalles de la financiación: Universidad Nacional de San Martín, S-05/19 
536 |a Detalles de la financiación: Acknowledgments We wish to thank José Bustingorry and Roberto Escaray for their field and laboratory assistance and to two anonymous reviewers for their useful comments on the manuscript. This work was supported by CONICET PIP 5614, Universidad Nacional de General San Martín grant S-05/19 and ANPCyT PICT 01104. 
593 |a Laboratorio de Limnología, Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Pab. II, C1428EHA, Buenos Aires, Argentina 
593 |a Instituto de Investigaciones Biotecnológicas, Instituto Tecnológico de Chascomús (IIB-INTECH), Camino Circunvalación Laguna Km 6, Chascomús 7130, Argentina 
593 |a Instituto de Limnología Dr. Ringuelet, Avenida Calchaquí km 23.5, 1888, Florencio Varela, Buenos Aires, Argentina 
593 |a Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina 
690 1 0 |a CLEAR AND TURBID SHALLOW LAKES 
690 1 0 |a GLYPHOSATE 
690 1 0 |a MESOCOSMS 
690 1 0 |a PERIPHYTON 
690 1 0 |a ROUNDUP® 
690 1 0 |a WATER QUALITY 
690 1 0 |a CHLOROPHYLL A 
690 1 0 |a FRESH WATER 
690 1 0 |a GLYPHOSATE 
690 1 0 |a HERBICIDE 
690 1 0 |a INORGANIC COMPOUND 
690 1 0 |a FRESHWATER ECOSYSTEM 
690 1 0 |a GLYPHOSATE 
690 1 0 |a LAKE WATER 
690 1 0 |a MESOCOSM 
690 1 0 |a NONTARGET ORGANISM 
690 1 0 |a PERIPHYTON 
690 1 0 |a POLLUTION EFFECT 
690 1 0 |a WATER QUALITY 
690 1 0 |a ARTICLE 
690 1 0 |a COLONY FORMATION 
690 1 0 |a CYANOBACTERIUM 
690 1 0 |a DIATOM 
690 1 0 |a DRY WEIGHT 
690 1 0 |a ECOSYSTEM 
690 1 0 |a EUTROPHICATION 
690 1 0 |a MACROPHYTE 
690 1 0 |a MESOCOSM 
690 1 0 |a MICROBIAL COMMUNITY 
690 1 0 |a NONHUMAN 
690 1 0 |a PERIPHYTON 
690 1 0 |a PHYTOPLANKTON 
690 1 0 |a PRIORITY JOURNAL 
690 1 0 |a WATER QUALITY 
690 1 0 |a ALGAE 
690 1 0 |a BIOMASS 
690 1 0 |a CHLOROPHYLL 
690 1 0 |a CYANOBACTERIA 
690 1 0 |a ECOSYSTEM 
690 1 0 |a ENVIRONMENTAL MONITORING 
690 1 0 |a EUTROPHICATION 
690 1 0 |a FRESH WATER 
690 1 0 |a GLYCINE 
690 1 0 |a HERBICIDES 
690 1 0 |a PHOSPHORUS 
690 1 0 |a RISK ASSESSMENT 
690 1 0 |a TIME FACTORS 
690 1 0 |a WATER POLLUTANTS, CHEMICAL 
690 1 0 |a PAMPAS 
690 1 0 |a ALGAE 
690 1 0 |a BACILLARIOPHYTA 
690 1 0 |a CYANOBACTERIA 
690 1 0 |a GLYCINE MAX 
651 4 |a ARGENTINA 
651 4 |a ARGENTINA 
651 4 |a ARGENTINA 
700 1 |a Lagomarsino, L. 
700 1 |a Sylvester, M. 
700 1 |a Pérez, G.L. 
700 1 |a Rodríguez, P. 
700 1 |a Mugni, H. 
700 1 |a Sinistro, R. 
700 1 |a Ferraro, M. 
700 1 |a Bonetto, C. 
700 1 |a Zagarese, H. 
700 1 |a Pizarro, H. 
773 0 |d 2010  |g v. 19  |h pp. 710-721  |k n. 4  |p Ecotoxicology  |x 09639292  |t Ecotoxicology 
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