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Marín Ramos Almilcar - One of the best experts on this subject based on the ideXlab platform.
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Diseño Del mejoramiento Y Ampliacion Del Servicio De Agua potable Y saneamiento básico Rural de Los Caserios Septen Y Pampas Del Bao, Distrito De Marmot, Gran Chimú, La Libertad
'Universidad Cesar Vallejo', 2017Co-Authors: Marín Ramos AlmilcarAbstract:Este Proyecto de Investigación, se desarrolló en los Carios Septen y Pampas del Bao, que pertenecen al Distrito de Marmot, Provincia Gran Chimú, Departamento La Libertad. El problema principal es que el Sistema de Abastecimiento de Agua Potable no satisface las necesidades de los pobladores y conlleva a consumir agua de mala calidad no apta para consumo humano y la falta de un Sistema de Saneamiento Básico, generan frecuentes casos de enfermedades gastro intestinales en los pobladores. El Proyecto beneficiará a 164 viviendas y 7 Instituciones a un población actual de 820 habitantes de los Caseríos Septen y Pampas del Bao, el cual con un índice decrecimiento de 0.866% calculado por datos de INEI; se diseña para una población futura de 973 habitantes y 195 viviendas. El Sistema de Agua Potable, tiene como Captación ubicada en la quebrada denominada Saladín, que se Captaran por medio de una Toma Lateral Tipo Barraje,una línea de Conducción, se almacenara en una Reservorio Rectangular de 40 m3y luego se distribuye a las viviendas de los Caseríos Septen y Pampas del Bao. El Sistema de Saneamiento Básico Rural;para el Caserío Pampas del Bao un Sistema Mixto de Red de Alcantarillado y Unidades Básicas de Saneamiento,y para el Caserío de Septen un Sistema de Saneamiento por Unidades Básicas de Saneamiento (UBS), que consiste en un Baño completo, un biodigestor para la descomposición de la Materia Orgánica y Zanjas de Infiltración para el Tratamiento de las Aguas Residuales
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Diseño Del mejoramiento Y Ampliacion Del Servicio De Agua potable Y saneamiento básico Rural de Los Caserios Septen Y Pampas Del Bao, Distrito De Marmot, Gran Chimú, La Libertad
'Universidad Cesar Vallejo', 2017Co-Authors: Marín Ramos AlmilcarAbstract:TesisTrujilloEscuela Académico Profesional de Ingeniería CivilDiseño de Obras Hidráulicas y SaneamientoEste Proyecto de Investigación, se desarrolló en los Carios Septen y Pampas del Bao, que pertenecen al Distrito de Marmot, Provincia Gran Chimú, Departamento La Libertad. El problema principal es que el Sistema de Abastecimiento de Agua Potable no satisface las necesidades de los pobladores y conlleva a consumir agua de mala calidad no apta para consumo humano y la falta de un Sistema de Saneamiento Básico, generan frecuentes casos de enfermedades gastro intestinales en los pobladores. El Proyecto beneficiará a 164 viviendas y 7 Instituciones a un población actual de 820 habitantes de los Caseríos Septen y Pampas del Bao, el cual con un índice decrecimiento de 0.866% calculado por datos de INEI; se diseña para una población futura de 973 habitantes y 195 viviendas. El Sistema de Agua Potable, tiene como Captación ubicada en la quebrada denominada Saladín, que se Captaran por medio de una Toma Lateral Tipo Barraje,una línea de Conducción, se almacenara en una Reservorio Rectangular de 40 m3y luego se distribuye a las viviendas de los Caseríos Septen y Pampas del Bao. El Sistema de Saneamiento Básico Rural;para el Caserío Pampas del Bao un Sistema Mixto de Red de Alcantarillado y Unidades Básicas de Saneamiento,y para el Caserío de Septen un Sistema de Saneamiento por Unidades Básicas de Saneamiento (UBS), que consiste en un Baño completo, un biodigestor para la descomposición de la Materia Orgánica y Zanjas de Infiltración para el Tratamiento de las Aguas Residuales
Gustavo J Fernandez - One of the best experts on this subject based on the ideXlab platform.
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range contraction in the Pampas meadowlark sturnella defilippii in the southern Pampas grasslands of argentina
Oryx, 2004Co-Authors: Fabian M Gabelli, Gustavo J Fernandez, Gabriela Posse, Valentina Ferretti, Eugenio Coconier, Hernan J Gavieiro, Paulo E Llambias, Pablo I Pelaez, Maria L Valles, Pablo Luis TubaroAbstract:The Vulnerable Pampas meadowlark Sturn- ella defilippii (Family Icteridae) is a Neotropical grassland bird that suffered a severe population reduction and range contraction during the 20th century. Formerly dis- tributed across most of the Pampas grasslands, it is now confined to the southern tip of its original range. There are small groups of wintering birds in southern Brazil, a small reproductive population in eastern Uruguay, and the main reproductive population occurs on the southern Pampas grasslands of Argentina. In this paper we report the results of an extensive field survey of these southern Pampas grasslands, carried out to estimate the Pampas meadowlark's population size and to iden- tify the factors potentially responsible for its range con- traction. During the 1999 breeding season we surveyed a total of 296 sample locations (transects, randomly selected points, and sites checked for nesting site re-occupation).We found 66 reproductive groups of Pampas meadowlarks. The minimum population size and extent of occurrence were estimated to be 28,000 individuals and 4,810 km 2 , respectively. This value repre- sents a range contraction of c. 30% compared to that estimated in a study carried out between 1992 and 1996. Pampas meadowlarks re-occupied natural grassland sites for nesting that were used in previous breeding seasons when these sites remained undisturbed. Habitat transformation appears to be the main factor causing the range contraction of the Pampas meadowlark. We suggest that long-term monitoring of this population and its preferred habitat, the natural grasslands, is required in order to ensure the conservation of this species.
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bird habitat relationship for the declining Pampas meadowlark populations in the southern Pampas grasslands
Biological Conservation, 2004Co-Authors: Gustavo J Fernandez, Gabriela Posse, Valentina Ferretti, Fabian M GabelliAbstract:During the past century, the Pampas meadowlark Sturnella defilippii underwent a severe population drop and now, it is confined mostly to southern Pampas grasslands. We analyzed the habitat and landscape characteristics associated to the presence of reproductive groups of Pampas meadowlarks in this area. During the 1999 breeding season, we surveyed 89 randomly stratified selected points where we noted the presence/absence of Pampas meadowlarks. For each point we estimated seven habitat variables related to vegetation cover and six landscape variables derived from different maps. We found 11 groups of displaying males, nine of them on natural grassland plots. Multivariate analyses indicate that field type and vegetation cover are the main factors associated to the presence of Pampas meadowlark. Reproductive groups were found preferentially at natural grasslands with high vegetation cover. Habitat loss and intensive grazing of fields appear to be the main factors associated to their sharp population decline and distribution retraction.
Guillermo Maria Denegri - One of the best experts on this subject based on the ideXlab platform.
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The Pampas fox (Lycalopex gymnocercus) as new definitive host for Spirometra erinacei (Cestoda: Diphyllobothriidae)
Acta tropica, 2014Co-Authors: Nathalia Paula Scioscia, Romina Sandra Petrigh, Pablo Martín Beldomenico, Guillermo Maria DenegriAbstract:Spirometra erinacei, Faust, Campbell and Kellogg, 1929, is a pseudophyllidean cestode of the family Diphyllobothriidae. The genus Spirometra is cosmopolitan and these parasites infect carnivores, specially felids and canids. In Argentina, S. erinacei and S. mansonoides have been reported sporadically only in domestic definitive hosts. The Pampas fox, Lycalopex gymnocercus, is the most abundant native carnivore in southern South America, where it inhabits grasslands and open woodlands and areas highly modified by extensive ranching and agricultural activities. This report describes the first finding of S. erinacei infecting Pampas fox, and provides an estimate prevalence of this cestode in rural areas of southern Buenos Aires province, Argentina based on 78 complete Pampas fox intestine samples analysis. This study found a 15.4% of prevalence of S. erinacei in small intestine (adult stage) and a 21.8% in fecal samples (egg stage). In the present work, the first case of S. erinacei in a wild definitive host from Argentina was reported expanding the list of definitive hosts of S. erinacei in South America.
Mauro Lucherini - One of the best experts on this subject based on the ideXlab platform.
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chemical immobilisation of free ranging Pampas foxes pseudalopex gymnocercus assessment of ketamine xylazine and tiletamine zolazepam combinations
Research in Veterinary Science, 2014Co-Authors: Mauro Lucherini, E Luengos M Vidal, Diego F Castillo, J Baglioni, Claudia Manfredi, Emma B CasanaveAbstract:Abstract Two protocols to immobilise free-ranging Pampas foxes for ear-tagging or radio-collaring were evaluated. One hundred fifteen foxes were injected with ketamine–xylazine (K–X) and thirteen with tiletamine–zolazepam (T–Z). The use of both T–Z and K–X combinations typically resulted in a smooth induction and recovery. In 86% of the cases K–X protocol was judged effective (mean ± SD, K: 10.7 ± 3.3 mg/kg, X: 1.0 ± 1.0 mg/kg) while T–Z protocol was judged effective in 92% of the cases (T: 3.6 ± 1.05 mg/kg, Z: 3.6 ± 1.05 mg/kg). The primary differences between the two drug combinations were that the time necessary for the complete recovery was longer with T–Z, and thermic problems were found more frequently with K–X. Additionally, our results suggest that thermic stress may be a relatively frequent complication for Pampas foxes. This study provides baseline data on some physiologic variables in Pampas foxes captured with different methods and drugs in field conditions.
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lycalopex gymnocercus carnivora canidae
Mammalian Species, 2008Co-Authors: Mauro Lucherini, Estela Maris Luengos VidalAbstract:Lycalopex gymnocercus (Fischer, 1814) is a canid commonly called the Pampas fox. A sexually dimorphic fox-like carnivore of medium size with reddish coloration on sides and white on the ventral surface, it is 1 of 6 species in the genus Lycalopex. It occurs in eastern Bolivia, western and central Paraguay, Uruguay, north and central Argentina, and southeastern Brazil. It prefers open habitats but also occurs in areas of Pampas grassland modified by extensive ranching and agriculture activities. It has been assigned to the “Least Concern” category of the International Union for Conservation of Nature and Natural Resources.
Buschiazzo, Daniel Eduardo - One of the best experts on this subject based on the ideXlab platform.
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Elemental composition of wind-blown sediments from contrasting textured soils
'Elsevier BV', 2021Co-Authors: Iturri, Laura Antonela, Funk Roger, Sommer Michael, Buschiazzo, Daniel EduardoAbstract:Wind eroded sediment is sorted by height by both size and density. Less information is available about the elemental composition and enrichment ratios of these sediments. Because of that, the concentration of elements in wind-blown sediments of a sandy- and a sandy loam soil of the semiarid Argentinean Pampas were analyzed. With this purpose, a wind tunnel study was performed for obtaining the saltating sediments transported at different heights, and a sorption-based laboratory procedure was used to separate the particulate matter. Results showed that Ca and Mg were transported at low- and C and N at high heights. These tendencies were attributed to the accumulation of Ca and Mg in coarse minerals, probably apatite and Ca-feldspars, which are heavily transported by the wind, and to the accumulation of C and N in low-dense organic substances, fresh debris and polysaccharides, easily transported by the wind. Total S did not show a preference to be transported at any height, possibly due to its accumulation in organic and mineral substances. The transport of C and N was more segregated in the sandy- than in the sandy loam soil, in agreement with the better aggregation of the latter, in which some of its organic substances (carboxylic acids, amides and aromatics), form coarse and heavily transportable aggregates. From the obtained results it can be deduced that C and N would be widespread larger than Ca and Mg. Assembling of data obtained to mass fluxes, becomes relevant for modeling the biogeochemical cycles.Fil: Iturri, Laura Antonela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; ArgentinaFil: Funk, Roger. Leibniz Centre for Agricultural Landscape Research; AlemaniaFil: Sommer, Michael. Leibniz Centre for Agricultural Landscape Research; AlemaniaFil: Buschiazzo, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentin
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Glyphosate and AMPA concentrations in the respirable dust emitted experimentally by soil aggregates, shortly after herbicide application
'Elsevier BV', 2020Co-Authors: Ramirez Haberkon, Nancy Belén, Buschiazzo, Daniel Eduardo, Aparicio, Virginia Carolina, De Gerónimo Eduardo, Aimar, Silvia Beatriz, Costa, José L., Mendez, Mariano JavierAbstract:The objective of this study was to analyze glyphosate- and aminomethylphosphonic acid (AMPA) concentrations in the respirable dust (RD) emitted by different soil aggregates, shortly after herbicide application in a field approach. The relationships of both glyphosate and AMPA in the aggregates with organic matter- (OM), total iron- (Fe), and extractable phosphorus contents (P) as well as with pHCaCl2 values were analyzed. An Kastanozem haplic of the Semiarid Pampas (Argentina) was analyzed 7 days after glyphosate application. The RD (particulate matter 19.2 mm. OM, P, Fe and pHCaCl2 were analyzed in the aggregate fractions, and glyphosate- and AMPA contents were measured both in RD and in the aggregate fractions. Glyphosate concentration varied between 16 mg kg−1 (aggregates 19.2 mm) and increased with decreasing size of the aggregates. Glyphosate concentration in RD varied between 48.5 mg kg−1 (aggregates 19.2 mm). Finest aggregates emitted RD with higher glyphosate concentrations. A positive relationship was determined between glyphosate in aggregates and glyphosate in RD (p 19.2 mm) and 307 mg kg−1 (aggregates < 0.42 mm) in aggregates and between 527 ug kg−1 and 746 ug kg−1 in RD. AMPA concentrations in RD were not related to AMPA concentrations in aggregates. The contents of AMPA were higher than those of glyphosate in both, RD and aggregates, due to the longer persistence of AMPA in relation to glyphosate. In all cases, glyphosate- and AMPA concentrations were higher in RD than in the aggregates. Our results suggest that the RD emitted by agricultural soils has higher glyphosate- and AMPA concentrations than the bulk soil. These results encourage future investigations to elucidate if other pesticides (and the surfactants used in their formulations) are present in the RD emitted by agricultural soils. This information is necessary in order to evaluate the effects of the particulate matter emitted by agricultural soils on the whole ecosystem and the human health.Fil: Ramirez Haberkon, Nancy Belén. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Confluencia. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas | Universidad Nacional de la Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas.; ArgentinaFil: Aparicio, Virginia Carolina. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Buschiazzo, Daniel Eduardo. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Confluencia. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas | Universidad Nacional de la Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas.; ArgentinaFil: de Gerónimo, Eduardo. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Balcarce; ArgentinaFil: Aimar, Silvia Beatriz. Universidad Nacional de La Pampa. Facultad de Agronomía; ArgentinaFil: Costa, José L.. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Balcarce; ArgentinaFil: Mendez, Mariano Javier. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Confluencia. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas | Universidad Nacional de la Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas.; Argentin
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Relative soil water content as a factor for wind erodibility in soils with different texture and aggregation
'Elsevier BV', 2019Co-Authors: De Oro, Laura Andrea, Colazo, Juan Cruz, Avecilla Fernando, Buschiazzo, Daniel Eduardo, Asensio CarlosAbstract:The soil water content is one of the main factors influencing the beginning of soil particle movement by the wind. Although, some authors studied the effect of soil water content on threshold wind velocity and have defined a value to prevent wind erosion, the critical relative soil water content (HRc), most of them used disturbed and/or sieved soil samples. Under these conditions, the effect of aggregation, i.e. the natural state of the soil, cannot be evaluated. So, our objective was to determine HRc in soils with different textures in Semiarid Argentinian Pampas Region (SAPR) using uncrushed soil samples under variable wind velocities. Wind tunnel simulations were performed at three wind speeds (2.1, 8.0 and 10.5 m s−1) during 3 min in each case. Results indicated that the quantity of collected soil (Q) decreased with increasing relative soil water contents (HR) up to a HRc value at which it became negligible. HRc values were lower in fine textured soils than in coarse soils. All soils showed increasing HRc values as wind velocity increased from 2.1 to 10.5 m s−1, while the wind velocity effect is more important in coarse textured soils. HRc was negatively related to micro-aggregation in a linear way. For that reason, soils with high fine silt and clay content need lower HRc values to inhibit wind erosion. In conclusion, not only texture is important factor in defining the HRc value at a specific wind velocity but also the micro and macro-aggregation of the soils.Fil: de Oro, Laura Andrea. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Confluencia. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas | Universidad Nacional de la Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de la Pampa. Grupo Vinculado Fundacion Centro de Salud E Investigaciones Medicas.; ArgentinaFil: Colazo, Juan Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentina. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Avecilla, Fernando. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Buschiazzo, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; ArgentinaFil: Asensio, Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentin
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Relative soil water content as a factor for wind erodibility in soils with different texture and aggregation
'Elsevier BV', 2019Co-Authors: De Oro, Laura Andrea, Colazo, Juan Cruz, Avecilla Fernando, Buschiazzo, Daniel Eduardo, Asensio CarlosAbstract:The soil water content is one of the main factors influencing the beginning of soil particle movement by the wind. Although, some authors studied the effect of soil water content on threshold wind velocity and have defined a value to prevent wind erosion, the critical relative soil water content (HRc), most of them used disturbed and/or sieved soil samples. Under these conditions, the effect of aggregation, i.e. the natural state of the soil, cannot be evaluated. So, our objective was to determine HRc in soils with different textures in Semiarid Argentinian Pampas Region (SAPR) using uncrushed soil samples under variable wind velocities. Wind tunnel simulations were performed at three wind speeds (2.1, 8.0 and 10.5 m s−1) during 3 min in each case. Results indicated that the quantity of collected soil (Q) decreased with increasing relative soil water contents (HR) up to a HRc value at which it became negligible. HRc values were lower in fine textured soils than in coarse soils. All soils showed increasing HRc values as wind velocity increased from 2.1 to 10.5 m s−1, while the wind velocity effect is more important in coarse textured soils. HRc was negatively related to micro-aggregation in a linear way. For that reason, soils with high fine silt and clay content need lower HRc values to inhibit wind erosion. In conclusion, not only texture is important factor in defining the HRc value at a specific wind velocity but also the micro and macro-aggregation of the soils.EEA San LuisFil: de Oro, Laura Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; ArgentinaFil: Colazo, Juan Cruz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Luis; ArgentinaFil: Avecilla, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; ArgentinaFil: Buschiazzo, Daniel Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Anguil; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; ArgentinaFil: Asensio, Carlos. Universidad de Almería. Campus de Excelencia Internacional Agroalimentario. CIAIMBITAL; Españ
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Parametros edáficos relacionados con la erosión eólica en inceptisoles del Chaco
Asociación Argentina de la Ciencia del Suelo, 2017Co-Authors: Rojas J. M., Buschiazzo, Daniel Eduardo, Arce, Osvaldo Ernesto AntonioAbstract:Wind erosion is one of most common degradation processes in agricultural soils of Chaco. Little information exists on the effects of wind erosion on agricultural soils of this region. The objectives of this study were to: 1) analyze the behavior of the erodible fraction (FE) and the dry aggregate stability (EES) as indexes of the susceptibility of soils to wind erosion, 2) relateFE to other soil parameters in order to develop equations useful to predict soil wind erosion susceptibility and 3) test if such equations are compatible with those used in the EWEQ model, developed for the Semiarid Pampas. The study was carried out in an area of the Chaco Ecorregion, where forests and grasslands are being replaced by annual cropping practices. The soils studied were classified as Udic Haplustepts, and were under pristine and agriculture conditions. Agricultural soils showed lower EF values, which indicate a lower susceptibility of the soils to be eroded by wind than pristine soils. This unexpected result was probably due to the formation of clods, as a result of tillage operations performed under certain conditions of soil moisture. No relationships were found between FE or EES and the years since the forest clearing. Relationships between FE and texture were not enough to fit a predictive model. The experimental data did not show an association with the FE data calculated with the EWEQ model. EES showed higher values in agricultural conditions than under pristine conditions. Future research must be developed in order to establish a prediction equation for FE for soils of the region. Such equation may allow for a better decision framework for sustainable soil management practices.Fil: Rojas, J. M.. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Buschiazzo, Daniel Eduardo. Instituto Nacional de Tecnología Agropecuaria. Centro Regional La Pampa-San Luis. Estación Experimental Agropecuaria Anguil; Argentina. Universidad Nacional de la Pampa; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Ciencias de la Tierra y Ambientales de la Pampa; ArgentinaFil: Arce, Osvaldo Ernesto Antonio. Universidad Nacional de Tucumán. Facultad de Agronomía y Zootecnia; Argentin
