UNIVERSIDAD DE...
Aquatic pollution and habitat loss affect the quality of natural environments and human life around\nthe world. In the last decades the global terrestrial surface covered by forest decreased from 6 billion to 4.060 million hectares. South America, Africa and Oceania are the regions with the highest...
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Universidad de Buenos Aires. Facultad de Ciencias Veterinarias
2022
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| Acceso en línea: | http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=avaposgra&cl=CL1&d=HWA_7008 https://repositoriouba.sisbi.uba.ar/gsdl/collect/avaposgra/index/assoc/HWA_7008.dir/7008.PDF |
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Universidad de Buenos Aires |
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I-28 |
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R-145 |
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Repositorio Digital de la Universidad de Buenos Aires (UBA) |
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Español |
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spa |
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Bosque atlantico Metales y metaloides Compuestos orgánicos Bioacumulacion Indice de riesgo Misiones Atlantic rainforest metals and metaloids organic compounds bioaccumulation hazard index misiones province Xenobioticos Tierras publicas |
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Bosque atlantico Metales y metaloides Compuestos orgánicos Bioacumulacion Indice de riesgo Misiones Atlantic rainforest metals and metaloids organic compounds bioaccumulation hazard index misiones province Xenobioticos Tierras publicas Rolón, María Eugenia UNIVERSIDAD DE... |
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Bosque atlantico Metales y metaloides Compuestos orgánicos Bioacumulacion Indice de riesgo Misiones Atlantic rainforest metals and metaloids organic compounds bioaccumulation hazard index misiones province Xenobioticos Tierras publicas |
| description |
Aquatic pollution and habitat loss affect the quality of natural environments and human life around\nthe world. In the last decades the global terrestrial surface covered by forest decreased from 6 billion to 4.060 million hectares. South America, Africa and Oceania are the regions with the highest deforestation rates, with an estimated average annual deforestation rate of 13.7 million hectares per\nyear. The rapid population growth and change in land use, associated with the lack of effective agricultural policies and practices, are having a negative impact on the aquatic environments. These\nenvironments are contaminated by different xenobiotics such as metals, metalloids, and organic\ncompounds, which create a risk for biodiversity and human health. The Atlantic Rain Forest (ARF) or Paranaense forest is among the environments with the greatest biodiversity and number of endemic\nspecies in the world. The most representative area of the ARF is found in the Province of Misiones,\nlocated in the northeastern region of Argentina, this being the most biodiverse in the country,\nespecially in fish. People in Misiones consume poorly treated groundwater and/or surface water and\neat fish that is collected from these potentially contaminated water bodies. On this basis, the presence\nof contaminants in the water not only has a negative impact on biodiversity but also produce/creates\na risk for human health. The purposes of this thesis were: 1) to evaluate the distribution and\naccumulation of 24 metals and metalloids and 18 organic compounds in water, sediments and tissues\n(muscle and gills) of different fish species from the ARF, and also from an urban area of Misiones Province, 2) to evaluate and discuss the potential origin of these metals, metalloids and organic\ncompounds in relation to land use, 3) to assess the risk of consuming water and muscle fish on human\nhealth in the general population and in fishers, and 4) to propose recommendations about water and commercial fish consumption, and about land use to local and regional authorities. Surface water, sediment and fish samples were collected in a) four streams from the Yabotí Biosphere Reserve\n(YBR) in December 2016 and March 2017, b) the Ramos Stream (Oberá, Antonia Ramos Research\nCenter-CIAR) in May and October 2016 and April 2017, and c) the Paraná River and Yabebiry stream\n(San Ignacio department) in May 2017. Thirteen fish species distributed in three orders (Characiforms, Siluriforms and Perciforms) were analyzed in YBR and CIAR, while five fish species\ndistributed in two orders (Characiforms and Siluriforms) were analyzed in San Ignacio department.\nThe assessment of metals and metalloids in the different environmental matrices were determined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). In YBR, the organic compounds present\nin water, suspended particulate matter, sediment and fish muscle were determined by gas chromatography. In YBR and CIAR, it was observed that levels of Ag, Cu and Se in water and Cr, Cu, Hg, Mn, Ni, Zn in the sediment were higher than the international guidelines for the aquatic biota\nprotection. The level of Cr, Cu, Ni, Pb, Hg, Zn found in muscle of several species (in both studied areas) were above national and international guidelines for human consumption. The bioaccumulation factor (1.05 and 6,936) was higher in gills than in muscle, and indicated that Andromakhe saguazu,\nA. paris, Gymnogeophagus lipokarenos and Steindachnerina biornata were macroconcentrators of\nZn, while Australoheros ykeregua, G. lipokarenos and Hemiancistrus fuliginosus were\nmacroconcentrators of Se and Sr. The Hazard Index (general population) and Target Hazard Quotient\n(general and fisher populations) indicated that there is no risk from regular water or fish consumption.\nThe results obtained in the streams in YBR showed the presence of recent legal organic compounds\nin the different environmental matrices of the non-anthropized areas. Levels of DDTs (<3.63 ng L\n-1) and endosulfans (<21.8 ng L-1) in surface water were above international guidelines for the protection\nof aquatic life in several streams for both sampling periods. HCHs, DDTs, endosulfans, and chlorpyrifos were detected in suspended particulate matter and sediments from three streams, while\n?-HCH (<60.3 ng g-1\nlipid weight), chlorpyrifos (<698 ng g-1 lipid weight), p,p´-DDD (<367 ng g-1lipid weight), and ?-endosulfans (<209 ng g-1lipid weight) were detected in fish muscle tissue in\n6 several streams. The presence of chlorpyrifos and endosulfans is likely associated with a recent use\nof these compound, while the presence of DDx/DDT total ratios suggested a past use of these compounds. In San Ignacio department, the highest concentration of Ba, Fe, Sr and Zn were found in\nwater, however, the concentration of metals and metalloids in water were below the guide values for\nthe protection of the aquatic biota. The concentration of As, Cr, Cu Ni and Mn in sediment and the concentration of As, Cr, Hg, Ni, Pb and Zn in muscle of several species were above the guide value for the protection of the aquatic biota and human consumption. The bioaccumulation factor showed that the species Hemiodus orthonops, Steindachnerina brevipinna and Trachydoras paraguayensis from Puerto Maní were a macroconcentrator of Hg, Mg, Cd and Zn, while S. brevipinna from Yabebiry was a microconcentrator of Hg. The Hazard Index (general population) and Target Hazard Quotient (general and fisher populations) indicated that there was no risk from regular water or fish\nconsumption. The results of this study highlighted the need to establish better regulation and action\nguidelines to reduce the anthropogenic effect on natural areas. Furthermore, it is essential to improve\nthe regulation and control of water resources in natural and anthropized areas, to reduce the impact of human activities on water bodies and to improve the quality of water provided to the population.\nIn this sense, specific recommendations about water, fish muscle consumption and land use were proposed with the aim of contributing, with robust scientific knowledge, to the design and improvement of public policies that target the use of natural resources and the reduction of the anthropogenic impact on these natural areas and over water bodies in urban areas |
| author2 |
Volpedo, Alejandra Vanina |
| author_facet |
Volpedo, Alejandra Vanina Rolón, María Eugenia |
| format |
Tesis doctoral Tesis doctoral acceptedVersion |
| author |
Rolón, María Eugenia |
| author_sort |
Rolón, María Eugenia |
| title |
UNIVERSIDAD DE... |
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UNIVERSIDAD DE... |
| title_full |
UNIVERSIDAD DE... |
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UNIVERSIDAD DE... |
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UNIVERSIDAD DE... |
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universidad de... |
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Universidad de Buenos Aires. Facultad de Ciencias Veterinarias |
| publishDate |
2022 |
| url |
http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=avaposgra&cl=CL1&d=HWA_7008 https://repositoriouba.sisbi.uba.ar/gsdl/collect/avaposgra/index/assoc/HWA_7008.dir/7008.PDF |
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AT rolonmariaeugenia universidadde AT rolonmariaeugenia xenobioticoselementostrazaycompuestosorganicosenpecesdelaprovinciademisionesysurelacionconelusodelatierra |
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1824356458346577920 |
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I28-R145-HWA_70082024-08-27 UNIVERSIDAD DE... Aquatic pollution and habitat loss affect the quality of natural environments and human life around\nthe world. In the last decades the global terrestrial surface covered by forest decreased from 6 billion to 4.060 million hectares. South America, Africa and Oceania are the regions with the highest deforestation rates, with an estimated average annual deforestation rate of 13.7 million hectares per\nyear. The rapid population growth and change in land use, associated with the lack of effective agricultural policies and practices, are having a negative impact on the aquatic environments. These\nenvironments are contaminated by different xenobiotics such as metals, metalloids, and organic\ncompounds, which create a risk for biodiversity and human health. The Atlantic Rain Forest (ARF) or Paranaense forest is among the environments with the greatest biodiversity and number of endemic\nspecies in the world. The most representative area of the ARF is found in the Province of Misiones,\nlocated in the northeastern region of Argentina, this being the most biodiverse in the country,\nespecially in fish. People in Misiones consume poorly treated groundwater and/or surface water and\neat fish that is collected from these potentially contaminated water bodies. On this basis, the presence\nof contaminants in the water not only has a negative impact on biodiversity but also produce/creates\na risk for human health. The purposes of this thesis were: 1) to evaluate the distribution and\naccumulation of 24 metals and metalloids and 18 organic compounds in water, sediments and tissues\n(muscle and gills) of different fish species from the ARF, and also from an urban area of Misiones Province, 2) to evaluate and discuss the potential origin of these metals, metalloids and organic\ncompounds in relation to land use, 3) to assess the risk of consuming water and muscle fish on human\nhealth in the general population and in fishers, and 4) to propose recommendations about water and commercial fish consumption, and about land use to local and regional authorities. Surface water, sediment and fish samples were collected in a) four streams from the Yabotí Biosphere Reserve\n(YBR) in December 2016 and March 2017, b) the Ramos Stream (Oberá, Antonia Ramos Research\nCenter-CIAR) in May and October 2016 and April 2017, and c) the Paraná River and Yabebiry stream\n(San Ignacio department) in May 2017. Thirteen fish species distributed in three orders (Characiforms, Siluriforms and Perciforms) were analyzed in YBR and CIAR, while five fish species\ndistributed in two orders (Characiforms and Siluriforms) were analyzed in San Ignacio department.\nThe assessment of metals and metalloids in the different environmental matrices were determined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). In YBR, the organic compounds present\nin water, suspended particulate matter, sediment and fish muscle were determined by gas chromatography. In YBR and CIAR, it was observed that levels of Ag, Cu and Se in water and Cr, Cu, Hg, Mn, Ni, Zn in the sediment were higher than the international guidelines for the aquatic biota\nprotection. The level of Cr, Cu, Ni, Pb, Hg, Zn found in muscle of several species (in both studied areas) were above national and international guidelines for human consumption. The bioaccumulation factor (1.05 and 6,936) was higher in gills than in muscle, and indicated that Andromakhe saguazu,\nA. paris, Gymnogeophagus lipokarenos and Steindachnerina biornata were macroconcentrators of\nZn, while Australoheros ykeregua, G. lipokarenos and Hemiancistrus fuliginosus were\nmacroconcentrators of Se and Sr. The Hazard Index (general population) and Target Hazard Quotient\n(general and fisher populations) indicated that there is no risk from regular water or fish consumption.\nThe results obtained in the streams in YBR showed the presence of recent legal organic compounds\nin the different environmental matrices of the non-anthropized areas. Levels of DDTs (<3.63 ng L\n-1) and endosulfans (<21.8 ng L-1) in surface water were above international guidelines for the protection\nof aquatic life in several streams for both sampling periods. HCHs, DDTs, endosulfans, and chlorpyrifos were detected in suspended particulate matter and sediments from three streams, while\n?-HCH (<60.3 ng g-1\nlipid weight), chlorpyrifos (<698 ng g-1 lipid weight), p,p´-DDD (<367 ng g-1lipid weight), and ?-endosulfans (<209 ng g-1lipid weight) were detected in fish muscle tissue in\n6 several streams. The presence of chlorpyrifos and endosulfans is likely associated with a recent use\nof these compound, while the presence of DDx/DDT total ratios suggested a past use of these compounds. In San Ignacio department, the highest concentration of Ba, Fe, Sr and Zn were found in\nwater, however, the concentration of metals and metalloids in water were below the guide values for\nthe protection of the aquatic biota. The concentration of As, Cr, Cu Ni and Mn in sediment and the concentration of As, Cr, Hg, Ni, Pb and Zn in muscle of several species were above the guide value for the protection of the aquatic biota and human consumption. The bioaccumulation factor showed that the species Hemiodus orthonops, Steindachnerina brevipinna and Trachydoras paraguayensis from Puerto Maní were a macroconcentrator of Hg, Mg, Cd and Zn, while S. brevipinna from Yabebiry was a microconcentrator of Hg. The Hazard Index (general population) and Target Hazard Quotient (general and fisher populations) indicated that there was no risk from regular water or fish\nconsumption. The results of this study highlighted the need to establish better regulation and action\nguidelines to reduce the anthropogenic effect on natural areas. Furthermore, it is essential to improve\nthe regulation and control of water resources in natural and anthropized areas, to reduce the impact of human activities on water bodies and to improve the quality of water provided to the population.\nIn this sense, specific recommendations about water, fish muscle consumption and land use were proposed with the aim of contributing, with robust scientific knowledge, to the design and improvement of public policies that target the use of natural resources and the reduction of the anthropogenic impact on these natural areas and over water bodies in urban areas Fil: Rolón, María Eugenia. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Buenos Aires, Argentina Volpedo, Alejandra Vanina Avigliano, Esteban Rolón, María Eugenia 2022-10-22 La contaminación acuática y la pérdida de hábitat afecta la calidad de los ambientes naturales y de la vida humana alrededor del mundo. En las últimas décadas la superficie cubierta por bosques \ndisminuyó de 60.000.000 a 40.600 km2 a nivel global. En especial, América del Sur, África y Oceanía son las zonas con mayores tasas de deforestación, estimándose una deforestación media anual de 137.000 km2 por año. El constante crecimiento poblacional y el cambio de uso del suelo, asociado a la falta de buenas prácticas de manejo agrícola-ganaderas generan un impacto negativo sobre los ambientes acuáticos. Estos ambientes resultan contaminados por diferentes xenobióticos como\nmetales, metaloides y compuesto orgánicos, produciéndose así un riesgo para el ambiente y la salud \nhumana. El bosque atlántico o selva paranaense es uno de los ambientes más biodiversos y con mayor \nnúmero de endemismos del mundo. El área representativa más austral del bosque atlántico se localiza en el Noreste de la Argentina, en la provincia de Misiones y es la más biodiversa del país, en especial de peces. Parte de la población misionera consume regularmente agua subterránea o superficial \npobremente tratada, además de peces provenientes de cuerpos de agua potencialmente contaminados. En este sentido, la contaminación de los cuerpos de agua superficiales no solo representa un impacto \nnegativo sobre la biodiversidad, sino también sobre la salud humana. El propósito de esta tesis fue: \n1) evaluar la distribución y acumulación de 24 metales y metaloides y de 18 compuestos orgánicos \nen agua, sedimentos y tejidos de peces (músculo y branquias) en diferentes especies de peces del \nbosque atlántico y de un área urbana de la provincia de Misiones, 2) evaluar y discutir el potencial \norigen de los metales, metaloides y de los compuestos orgánicos en relación con el uso de la tierra, 3) evaluar el riesgo para la salud humana por consumo de agua y músculo de peces en la población general y pescadores, y 4) elaborar recomendaciones sobre el consumo de agua, peces comerciales y \nsobre el uso de la tierra a las autoridades locales y nacionales. Se colectaron muestras de agua, \nsedimento y peces en a) cuatro arroyos de la Reserva de Biósfera Yabotí (RBY) en diciembre del \n2016 y marzo del 2017, b) arroyo Ramos (Oberá, Centro de Investigaciones Antonia Ramos-CIAR) \nen mayo y octubre del 2016 y abril del 2017, y c) río Paraná y el arroyo Yabebiry, (departamento de \nSan Ignacio) en mayo del 2017. En las áreas protegidas de la RBY y el CIAR se analizaron 13 especies de peces distribuidas en 3 órdenes (Characiformes, Siluriformes y Perciformes), mientras que en el \ndepartamento de San Ignacio se analizaron cinco especies distribuidas en dos órdenes (Characiformes \ny Siluriformes). La determinación de metales y metaloides en las diferentes matrices ambientales se \nrealizó mediante Espectrometría de Masas Acoplado a Plasma Inductivamente (ICP-MS). En la RBY, los compuestos orgánicos en agua, material particulado en suspensión, sedimento y músculo de peces se determinaron por cromatografía gaseosa. En la RBY y el CIAR se observó que los niveles de Ag, \nCu y Se en agua y las concentraciones de Cr, Cu, Hg, Mn, Ni y Zn en sedimento estuvieron por \nencima de los valores guía para la protección de la biota acuática. Las concentraciones de Cr, Cu, Ni, Pb, Hg y Zn en músculo de varias especies para los diferentes arroyos del bosque atlántico estuvieron \npor encima de los valores guía para el consumo humano. El factor de bioacumulación (1,05 y 6.936) fue mayor en branquia que en músculo, además se observó que las mojarras, Andromakhe saguazu, \ny A. paris, la chanchita, Gymnogeophagus lipokarenos y el sabalito, Steindachnerina biornata fueron macroconcentradoras de Zn mientras que las chanchitas Australoheros ykeregua y G. lipokarenos y la vieja del agua, Hemiancistrus fuliginosus fueron macroconcentradoras de Se y Sr. El índice de \nHazard (HI) y el coeficiente de Hazard (THQ) total indicaron que no hay riesgo para el consumo crónico de agua y músculo de peces. Los resultados obtenidos en los cuerpos de agua analizados en\nla RBY muestran la presencia de compuestos orgánicos de uso legal y reciente en diferentes matrices ambientales del área no antropizada. Las concentraciones de DDTs (<3,63 ng L-1) y endosulfanes (<21,8 ng L-1) en agua en los diferentes arroyos y en los dos periodos de muestreo estuvieron por encima de los valores guía internacionales para la protección de la biota acuática. Se han detectado \nconcentraciones de HCHs, DDTs, endosulfanes y clorpirifos en material particulado en suspensión y \nsedimentos en tres arroyos, mientras que se han detectado concentraciones de ?-HCH (<60,3 ng g-1 peso lipídico), clorpirifos (<698 ng g-1 peso lipídico), p,p´-DDD (<367 ng g-1 peso lipídico) y ?-endosulfán (<209 ng g peso lipídico) en músculo de peces en varios arroyos. La presencia de clorpirifos y endosulfan estaría asociada a un uso reciente de estos compuestos, mientras que la \npresencia del rango DDx/DDT total se correspondería con el uso de dichos compuestos en el pasado.\nLas mayores concentraciones de Ba, Fe, Sr y Zn fueron halladas en agua del departamento de San Ignacio, sin embargo, las concentraciones de metales y metaloides en esta matriz estuvieron por debajo de los valores guía para la protección de la biota acuática. Las concentraciones de As, Cr, Cu, Ni y Mn en sedimento y de As, Cr, Hg, Ni, Pb y Zn en músculo de varias especies de peces estuvieron \npor encima de los valores guía internacionales para la protección de la biota acuática y para consumo humano. El factor de bioacumulación indicó que las especies Hemiodus orthonops, Steindachnerina\nbrevipinna y Trachidoras paraguayensis de Puerto Maní son macroconcentradores de Hg, Mg, Cd y \nZn, mientras que S. brevipinna del arroyo Yabebiry es microconcentradora de Hg. El índice de Hazard (HI) y el coeficiente de Hazard (THQ) total indicaron que no hay riesgo para el consumo crónico de agua ni para el consumo de músculo de peces. Los resultados de este estudio mostraron que es necesario establecer mejores regulaciones y guías de acción para reducir el efecto antrópico sobre \náreas naturales. Por otra parte, se hace indispensable mejorar las normativas y el control de los recursos hídricos de las zonas naturales y antropizadas, para reducir el impacto de las actividades \nhumanas sobre los cuerpos de agua y mejorar la calidad de agua que se brinda a la población. En este sentido se han propuesto recomendaciones sobre el consumo de agua, músculo de peces y uso de la tierra con el fin de contribuir con conocimientos científicos sólidos para mejorar las políticas públicas de manejo de los recursos naturales y reducir el impacto antropogénico sobre estas áreas naturales y sobre los cuerpos de agua en las áreas urbanas application/pdf Bosque atlantico Metales y metaloides Compuestos orgánicos Bioacumulacion Indice de riesgo Misiones Atlantic rainforest metals and metaloids organic compounds bioaccumulation hazard index misiones province spa Universidad de Buenos Aires. Facultad de Ciencias Veterinarias info:eu-repo/semantics/openAccess htpps://creativecommons.org/licenses/by-nend/2.5/ar/ Xenobioticos Tierras publicas Doctora de Universidad de Buenos Aires en Ciencias Veterinarias Xenobióticos (elementos traza y compuestos orgánicos) en peces de la provincia de Misiones y su relación con el uso de la tierra info:eu-repo/semantics/doctoralThesis info:ar-repo/semantics/tesis doctoral info:eu-repo/semantics/acceptedVersion http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=avaposgra&cl=CL1&d=HWA_7008 https://repositoriouba.sisbi.uba.ar/gsdl/collect/avaposgra/index/assoc/HWA_7008.dir/7008.PDF |