Centro Universitario Mendoza, Facultad de Filosofía y Letras: Open Journal Systems FFYL
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O reordenamento autoritário da administração estatal durante a última ditadura em Rosário (1976–1981)
Full text linkThe article analyzes the process of state disciplining within the Municipality of Rosario during Argentina’s last military dictatorship and explores how the “administrative reorganization” promoted by the regime’s upper echelons was translated, at the local level, into concrete mechanisms of rationalization and political-ideological control. Drawing on the examination of normative sources, dismissal decrees, intelligence documents, the press, and oral testimonies, the study reconstructs the transformations of the municipal administration and the shifting objectives that this reorganization assumed during different stages of the dictatorship. In the early years (1976–1977), under the discourse of “efficiency” and “administrative sanitation,” measures were primarily aimed at dismantling political and union networks from the constitutional period and establishing an atmosphere of surveillance and internal control. By 1978, the emphasis shifted toward consolidating a new administrative rationality, characterized by the outsourcing of services and the strengthening of a subsidiary type of State. From a local perspective, the article examines the intersection between state bureaucracy, legality, and disciplining, showing how authoritarianism became embedded in the everyday practices of administrative work and contributing to an understanding of the specific forms that state violence assumed within the bureaucratic apparatus during the dictatorship.El artículo analiza el proceso de disciplinamiento estatal en la Municipalidad de Rosario durante la última dictadura argentina e indaga cómo el “reordenamiento administrativo” impulsado desde las altas esferas del régimen se tradujo, en el plano local, en mecanismos concretos de racionalización y control político-ideológico. A partir del examen de fuentes normativas, decretos de cesantías, documentación de inteligencia, prensa y testimonios orales se reconstruyen las transformaciones de la administración municipal y los diferentes objetivos que asumió el reordenamiento en distintas etapas de la dictadura. En los primeros años (1976–1977), bajo el discurso de la “eficiencia” y el “saneamiento” administrativo, las medidas se orientaron principalmente a desarticular redes políticas y sindicales del período constitucional e instaurar un clima de vigilancia y control interno. Hacia 1978, el énfasis se desplazó hacia la consolidación de una nueva racionalidad administrativa, caracterizada por la tercerización de servicios y el afianzamiento de un Estado de tipo subsidiario. Desde una perspectiva local, el trabajo examina la intersección entre burocracia estatal, legalidad y disciplinamiento mostrando cómo el autoritarismo ancló en las prácticas cotidianas del quehacer administrativo, y contribuye a comprender las formas específicas que adoptó la violencia estatal en el interior del aparato burocrático durante la dictadura.O artigo analisa o processo de disciplinamento estatal na Municipalidade de Rosário durante a última ditadura argentina e investiga como o “reordenamento administrativo” impulsionado pelas altas esferas do regime se traduziu, no plano local, em mecanismos concretos de racionalização e controle político-ideológico. A partir do exame de fontes normativas, decretos de demissões, documentação de inteligência, imprensa e testemunhos orais, reconstroem-se as transformações da administração municipal e os diferentes objetivos que o reordenamento assumiu em distintas etapas da ditadura. Nos primeiros anos (1976–1977), sob o discurso da “eficiência” e do “saneamento” administrativo, as medidas se orientaram principalmente para desarticular redes políticas e sindicais do período constitucional e instaurar um clima de vigilância e controle interno. Por volta de 1978, o enfoque deslocou-se para a consolidação de uma nova racionalidade administrativa, caracterizada pela terceirização de serviços e pelo fortalecimento de um Estado de tipo subsidiario. A partir de uma perspectiva local, o trabalho examina a interseção entre burocracia estatal, legalidade e disciplinamento, mostrando como o autoritarismo se enraizou nas práticas cotidianas do fazer administrativo e contribuindo para compreender as formas específicas que a violência estatal assumiu no interior do aparato burocrático durante a ditadura
Registros policiais e prisionais em Santa Fé: Controle social e repressão política durante o século XX
Full text linkThis article focuses on the analysis of the "archives of repression" in Argentina, understood as documents produced by state agencies –such as police, prison, and intelligence forces–for the purposes of surveillance, political persecution and social discipline during the 20th century. It examines how the state's identification practices –that is, the bureaucratic procedures developed for criminal control– were transformed into tools of stigmatization and ideological repression, based on a series of police and prison documents from the province of Santa Fe. The study centers on the Investigations Division of the Rosario Police, which systematically compiled police records (prontuarios) starting in 1905. These documents, initially designed to identify criminals, were used to register political activists deemed “dangerous”. During the last military dictatorship (1976–1983), some records included photographs taken in clandestine detention centers such as the Rosario Information Service, highlighting the connection between state bureaucracy and illegal repression. Through the cases of Guillermo Kehoe and Juan Bernardo Iturraspe, the article shows that political persecution preceded the 1976 coup. It also analyzes prison records preserved in the Provincial Memory Archive, which reflect the logic of the prison system. Together, these archives reveal how identification technologies became key instruments in the construction and identification of the “internal enemy”.Este artículo se centra en el análisis de los “archivos de la represión” en Argentina, entendidos como documentos producidos por organismos estatales –como fuerzas policiales, penitenciarias y de inteligencia– con fines de vigilancia, persecución política y disciplinamiento social durante el siglo XX. Examina cómo las prácticas identificatorias del Estado, es decir, los procedimientos burocráticos surgidos para el control criminal, se transformaron en herramientas de estigmatización y represión ideológica, a partir de una serie de documentos policiales y penitenciarios de la provincia de Santa Fe. El estudio se enfoca en la División de Investigaciones de la Policía de Rosario, que desde 1905 elaboró sistemáticamente prontuarios policiales. Estos documentos, inicialmente diseñados para identificar delincuentes, fueron empleados para registrar a militantes políticos considerados “peligrosos”. Durante la última dictadura militar (1976–1983), algunos prontuarios incluyeron fotografías tomadas en centros clandestinos de detención como el Servicio de Informaciones de Rosario, evidenciando la conexión entre burocracia estatal y represión ilegal. A través de los casos de Guillermo Kehoe y Juan Bernardo Iturraspe, se muestra que la persecución política fue previa al golpe de 1976. También se analizan los prontuarios penitenciarios conservados en el Archivo Provincial de la Memoria, que expresan la lógica del sistema carcelario. En conjunto, estos archivos revelan cómo las tecnologías de identificación se consolidaron como instrumentos clave en la construcción e identificación del “enemigo interno”.Este artigo centra-se na análise dos “arquivos da repressão” na Argentina, entendidos como documentos produzidos por órgãos estatais –como forças policiais, penitenciárias e de inteligência– com fins de vigilância, perseguição política e disciplina social durante o século XX. Examina como as práticas identificatórias do Estado, ou seja, os procedimentos burocráticos criados para o controle criminal, transformaram-se em ferramentas de estigmatização e repressão ideológica, a partir de uma série de documentos policiais e penitenciários da província de Santa Fe.
O estudo foca na Divisão de Investigações da Polícia de Rosário, que desde 1905 elaborou prontuários policiais de forma sistemática. Esses documentos, inicialmente concebidos para identificar criminosos, foram utilizados para registrar militantes políticos considerados “perigosos”. Durante a última ditadura mlitar (1976–1983), alguns prontuários incluíam fotografias tiradas em centros clandestinos de detenção, como o Serviço de Informações de Rosário, evidenciando a conexão entre a burocracia estatal e a repressão ilegal. Através dos casos de Guillermo Kehoe e Juan Bernardo Iturraspe, mostra-se que a perseguição política antecedeu o golpe de 1976. Também são analisados os prontuários penitenciários conservados no Arquivo Provincial da Memória, que expressam a lógica do sistema carcerário. Em conjunto, esses arquivos revelam como as tecnologias de identificação se consolidaram como instrumentos-chave na construção e identificação do “inimigo interno”
¿Existen elementos comunes de la problemática ambiental de los residuos agropecuarios y regulación ambiental en México-Argentina?
Full text linkEl sector agropecuario es básico para el desarrollo económico en diferentes regiones del mundo; sin embargo, no queda exento del análisis de la problemática ambiental de los residuos y de su regulación ambiental. El planteamiento de la problemática se deriva de una consulta temática de interés de la Red Internacional de Impacto Ambiental Agropecuario, conformada por grupos académicos e investigadores entre ambos países. El objetivo fue determinar la existencia de elementos comunes de la problemática ambiental de los residuos agropecuarios y de la regulación ambiental en México y Argentina. Esto considerando elementos desde la política constitucional, institucional, diagnósticos y programas de cada nación partiendo de sus leyes ambientales (México-1988 y Argentina-2002) así cómo los instrumentos normativos derivados hasta el 2025. La metodología empleada fue una revisión documental mediante consulta bibliográfica integradora corta basada en cinco pasos: planteamiento del problema, búsqueda y organización de información, análisis e interpretación y conclusión. La selección de regulaciones y estudios se realizó considerando su vigencia, alcance nacional y pertinencia con la gestión de residuos agropecuarios. Se plantea una interrogante general y subdividida en tres interrogantes relacionadas: a) Escenario y alcance de la problemática ambiental asociada a la generación de los residuos agropecuarios en México-Argentina, b) Marco regulatorio ambiental y c) Elementos de estudio técnicos-científicos para la evaluación de desempeño ambiental agropecuario. En los resultados obtenidos para la primera interrogante, se distingue la consulta de diagnósticos nacionales sobre la generación de residuos en México clasificada en actividades sectoriales como las pesqueras, agrícolas, silvícolas, forestales y avícolas. Asimismo, en Argentina se proyecta la generación de desechos derivados de las actividades agrícolas. En la segunda interrogante, se documenta la revisión de 13 regulaciones principales en México y 10 instrumentos regulatorios de Argentina, algunos de carácter general que aplican a una política regulatoria nacional de los residuos y otros específicos a los residuos agropecuarios, encontrando terminología técnica en común. En el tercer interrogante se consultaron 11 estudios técnico-científicos para distinguir temas específicos de los residuos agropecuarios y, a nivel gubernamental, se identificó la consulta de planes, programas, diagnósticos y estudios de gestión vigentes en ambos países. Además, se encontraron diversidad de temáticas de estudio relacionadas a los residuos agropecuarios. Se concluye que existen elementos comunes entre los países en la regulación ambiental y se plantean cinco estrategias compartidas. Se destaca que las instituciones educativas de educación superior juegan un rol importante en la incorporación de estos temas en los planes curriculares, así como en la generación y aplicación del conocimiento científico
Biofungicide Formulation Based on Bacillus velezensis EM-A8 for Control of Maize Foliar Diseases
Full text linkThe aim was to evaluate inoculum production of Bacillus velezensis EM-A8, a native bacterium of maize phyllosphere, antagonist to foliar pathogens Exserohilum turcicum and Puccinia sorghi. Six economic media were tested: 1) Nutrient Broth (8 g.L-1); 2) Whole soybean flour (40 g.L-1) + sucrose (20 g.L-1); 3) Whole soybean flour (10 g.L-1) + molasses (20 g.L-1), 4) Whole soybean flour (40 g.L-1) + molasses (10 g.L-1); 5) Yeast extract (10 g.L-1) + molasses (5 g.L-1) and 6) Yeast extract (10 g.L-1) + sucrose (5 g.L-1). Growth was determined spectrophotometrically at 620 nm and viability was estimated. M2 showed the shortest generation time (g 1.22 h). M3 and M5 were selected for efficiency and aW was modified with glycerol at 0.97. Inoculums were stored under refrigeration (5°C) and room temperature (20-25°C) for 8 months. At 5°C the viability of the antagonist at 3.3-4.5 log CFU ml-1 was significantly lower than at room temperature (6-6.8 log CFU ml-1), where M5 showed the highest stability. The bioformulation of B. velezensis EM-A8 in M5 at aW 0.97 and stored at room temperature will allow successful control of maize foliar diseases.
Highlights:
Commercial products and by-products in different media provide high growth and shelf life of velezensis EM-A8
Storage temperature significantly affected velezensis EM-A8 viability
velezensis EM-A8 in growth medium with yeast extract and molasses, modified aW with glycerol at 0.97 and stored at room temperature is a promising product
Liquid formulations stored at room temperature maintained stable viability in 6 log for 8 months.The aim was to evaluate inoculum production of Bacillus velezensis EM-A8, a native bacterium of maize phyllosphere, antagonist to foliar pathogens Exserohilum turcicum and Puccinia sorghi. Six economic media were tested: 1) Nutrient Broth (8 g.L-1); 2) Whole soybean flour (40 g.L-1) + sucrose (20 g.L-1); 3) Whole soybean flour (10 g.L-1) + molasses (20 g.L-1), 4) Whole soybean flour (40 g.L-1) + molasses (10 g.L-1); 5) Yeast extract (10 g.L-1) + molasses (5 g.L-1) and 6) Yeast extract (10 g.L-1) + sucrose (5 g.L-1). Growth was determined spectrophotometrically at 620 nm and viability was estimated. M2 showed the shortest generation time (g 1.22 h). M3 and M5 were selected for efficiency and aW was modified with glycerol at 0.97. Inoculums were stored under refrigeration (5°C) and room temperature (20-25°C) for 8 months. At 5°C the viability of the antagonist at 3.3-4.5 log CFU ml-1 was significantly lower than at room temperature (6-6.8 log CFU ml-1), where M5 showed the highest stability. The bioformulation of B. velezensis EM-A8 in M5 at aW 0.97 and stored at room temperature will allow successful control of maize foliar diseases.
Highlights:
Commercial products and by-products in different media provide high growth and shelf life of velezensis EM-A8
Storage temperature significantly affected velezensis EM-A8 viability
velezensis EM-A8 in growth medium with yeast extract and molasses, modified aW with glycerol at 0.97 and stored at room temperature is a promising product
Liquid formulations stored at room temperature maintained stable viability in 6 log for 8 months
Relevancia económica de la producción caprina para la agricultura familiar en dos zonas cordilleranas de Cuyo
Full text linkEste trabajo contribuye a caracterizar dos sistemas de la agricultura familiar, en lugares diferentes de la cordillera de la región cuyana, uno en el departamento Malargüe de la provincia de Mendoza, y otro en el Valle del Bermejo en la provincia de La Rioja, haciendo foco en la relevancia económica de la producción caprina en el conjunto de actividades generadoras de ingresos llevadas a cabo por las unidades familiares. La metodología implementada fue la de talleres grupales, mediante la técnica de lluvia de ideas, análisis de notas de campo e información secundaria. Se evidencia la diferencia en el tamaño de las explotaciones, en el manejo ganadero, en la organización del trabajo y en los destinos comerciales. Se identificaron los principales atributos valorados por las y los productores para los ingresos y costos que generan sus actividades en un marco de racionalidad económica campesina
Valorization of Regional Crude Glycerol. Culture Media Optimization for Batch Docosahexaenoic Acid (DHA) Production with Aurantiochytrium sp.
Full text linkDocosahexaenoic acid (DHA) has many benefits for human health. Commercial DHA sources derive from marine fish but present several production challenges. Aurantiochytrium sp., an abundant marine microalga, becomes an alternative for DHA production. Crude glycerol produced by small-scale biodiesel refineries is a regional, available, and inexpensive waste that can be converted into value-added compounds. This study investigated crude glycerol as a potential carbon source for DHA-rich oil production using an aerobically isolated Aurantiochytrium sp. in batch shake flasks. We also optimized the culture medium formulation by varying carbon and nitrogen sources, thereby reducing medium costs while maximizing DHA production. A larger initial Aurantiochytrium sp. inoculum improved cell concentration and medium carbon depletion, increasing DHA productivity (PDHA). Increasing culture time showed no differences in Aurantiochytrium sp. growth parameters, but reduced DHA production. The absence of yeast extract in the culture media resulted in faster substrate metabolism by Aurantiochytrium sp. and increased DHA production. Crude glycerol yielded the highest PDHA (15.35 mg L-1 h-1) at 120 h. Crude glycerol can be used as a cheaper carbon source in media formulation with Aurantiochytrium sp. cultures for DHA production.
Crude glycerol is a cheap and highly available carbon source used by Aurantiochytrium for ω-3 DHA-rich oil production.
Absent yeast extract in culture media enabled faster glucose metabolism, favoring lipid production and improving CTFA and CDHA.
The largest initial inoculum (10.0% v/v) of Aurantiochytrium improved DCW, substrate depletion and PDHA.
BCG medium yielded the highest CDHA and PDHA (84 g L-1 and 15.35 mg L-1 h-1, respectively) at 120 h.
Quality assays of ω-3 DHA-rich oil product showed it is safer for human and animal food formulation.Docosahexaenoic acid (DHA) has many benefits for human health. Commercial DHA sources derive from marine fish but present several production challenges. Aurantiochytrium sp., an abundant marine microalga, becomes an alternative for DHA production. Crude glycerol produced by small-scale biodiesel refineries is a regional, available, and inexpensive waste that can be converted into value-added compounds. This study investigated crude glycerol as a potential carbon source for DHA-rich oil production using an aerobically isolated Aurantiochytrium sp. in batch shake flasks. We also optimized the culture medium formulation by varying carbon and nitrogen sources, thereby reducing medium costs while maximizing DHA production. A larger initial Aurantiochytrium sp. inoculum improved cell concentration and medium carbon depletion, increasing DHA productivity (PDHA). Increasing culture time showed no differences in Aurantiochytrium sp. growth parameters, but reduced DHA production. The absence of yeast extract in the culture media resulted in faster substrate metabolism by Aurantiochytrium sp. and increased DHA production. Crude glycerol yielded the highest PDHA (15.35 mg L-1 h-1) at 120 h. Crude glycerol can be used as a cheaper carbon source in media formulation with Aurantiochytrium sp. cultures for DHA production.
Crude glycerol is a cheap and highly available carbon source used by Aurantiochytrium for ω-3 DHA-rich oil production.
Absent yeast extract in culture media enabled faster glucose metabolism, favoring lipid production and improving CTFA and CDHA.
The largest initial inoculum (10.0% v/v) of Aurantiochytrium improved DCW, substrate depletion and PDHA.
BCG medium yielded the highest CDHA and PDHA (84 g L-1 and 15.35 mg L-1 h-1, respectively) at 120 h.
Quality assays of ω-3 DHA-rich oil product showed it is safer for human and animal food formulation
Critical Point Analysis for Sustainable Management of Cydia pomonella (Lepidoptera: Tortricidae) in Smallholder Walnut Farms of Catamarca, Argentina
Full text linkIn Argentina, 80% of walnut production is carried out by smallholder farms facing poor technology, production constraints, and substantial economic losses due to pests like Cydia pomonella (codling moth). We assessed sustainability risks linked to phytosanitary management on small farms in the Ambato region of Catamarca, Argentina. Our analysis included a “strong sustainability” framework with three key dimensions: ecological, economic, and sociocultural. A total of 26 indicators were related to this species’ management. Using semi-structured interviews, visual aids, and field surveys across seven farms, an overall sustainability index of 1.521 was calculated, with 50% of the indicators scoring below the established threshold (on a five-level sustainability scale, the selected threshold was level two). The ecological dimension emerged as the most sustainable. Limitations included absent systematic monitoring and optimisation of treatment timing, solely with agrochemical control, weak farmer-to-farmer collaboration, and insufficient training opportunities. Cluster analysis revealed four distinct groups based on phytosanitary practices. This study highlights critical intervention points and suggests agroecological strategies to enhance sustainable pest management in smallholder walnut systems.
Highlights:
A strong sustainability framework (ecological, sociocultural and economic) was applied to assess Cydia pomonellamanagement in smallholder walnut farms in Catamarca, Argentina.
Sustainability was evaluated through 26 indicators using semi-structured interviews, visual tools, and field surveys.
The overall sustainability index was low (1.521), with 50% of indicators falling below the acceptable threshold.
Ecological practices showed comparatively higher sustainability, but suffered from lack of monitoring and weak communication between farmers.
Cluster analysis indicated four distinct phytosanitary management profiles, suggesting targeted agroecological interventions.In Argentina, 80% of walnut production is carried out by smallholder farms facing poor technology, production constraints, and substantial economic losses due to pests like Cydia pomonella (codling moth). We assessed sustainability risks linked to phytosanitary management on small farms in the Ambato region of Catamarca, Argentina. Our analysis included a “strong sustainability” framework with three key dimensions: ecological, economic, and sociocultural. A total of 26 indicators were related to this species’ management. Using semi-structured interviews, visual aids, and field surveys across seven farms, an overall sustainability index of 1.521 was calculated, with 50% of the indicators scoring below the established threshold (on a five-level sustainability scale, the selected threshold was level two). The ecological dimension emerged as the most sustainable. Limitations included absent systematic monitoring and optimisation of treatment timing, solely with agrochemical control, weak farmer-to-farmer collaboration, and insufficient training opportunities. Cluster analysis revealed four distinct groups based on phytosanitary practices. This study highlights critical intervention points and suggests agroecological strategies to enhance sustainable pest management in smallholder walnut systems.
Highlights:
A strong sustainability framework (ecological, sociocultural and economic) was applied to assess Cydia pomonellamanagement in smallholder walnut farms in Catamarca, Argentina.
Sustainability was evaluated through 26 indicators using semi-structured interviews, visual tools, and field surveys.
The overall sustainability index was low (1.521), with 50% of indicators falling below the acceptable threshold.
Ecological practices showed comparatively higher sustainability, but suffered from lack of monitoring and weak communication between farmers.
Cluster analysis indicated four distinct phytosanitary management profiles, suggesting targeted agroecological interventions
Monitoring of the Community of Scandent Weeds in Yerba Mate (Ilex paraguariensis A. St. Hil., Aquifoliaceae) Cultivated in North-Eastern Argentina
Full text linkPerennial crops account for 10% of the world’s cultivated area. In Argentina, yerba mate is grown within complex plant communities where scandent weeds are major challenges. We conducted bimonthly vegetation censuses to evaluate plant communities in yerba mate fields. These data were used to compare species presence-absence across the four seasons from 2018 to 2023. We grouped the censused species into scandent and non-scandent. The relative frequencies of the species analysed showed minor seasonal variation (chi-square = 2.0802, df = 3, p-value = 0.5559). These results indicated that frequency patterns remained stable throughout the observation period. Consequently, information on species richness and frequency may inform integrated management strategies for these challenges. Although this work focused on yerba mate, the monitoring methodology can be adapted and applied to other perennial crops of agronomic interest.
Highligths:
The cultivation of yerba mate is accompanied by a rich and complex plant community in North-Eastern Argentina.
Bimonthly vegetatiion censuces conducted between 2018 and 2023 allowed a seasonal comparison of plant species presence-absense in yerba mate fields.
Weed flora was classified into scandent and non scandent species to evaluate their relative frequencies within the crop system.
Species aptterns showed no significant seasonal variation, remaining stable throughout the study period (χ² = 2.08; p = 0.56).
Species richness and frequency data provide a robust basis for integrated Weed management strategies and can be applied to other perennial cropping systems.Perennial crops account for 10% of the world’s cultivated area. In Argentina, yerba mate is grown within complex plant communities where scandent weeds are major challenges. We conducted bimonthly vegetation censuses to evaluate plant communities in yerba mate fields. These data were used to compare species presence-absence across the four seasons from 2018 to 2023. We grouped the censused species into scandent and non-scandent. The relative frequencies of the species analysed showed minor seasonal variation (chi-square = 2.0802, df = 3, p-value = 0.5559). These results indicated that frequency patterns remained stable throughout the observation period. Consequently, information on species richness and frequency may inform integrated management strategies for these challenges. Although this work focused on yerba mate, the monitoring methodology can be adapted and applied to other perennial crops of agronomic interest.
Highligths:
The cultivation of yerba mate is accompanied by a rich and complex plant community in North-Eastern Argentina.
Bimonthly vegetatiion censuces conducted between 2018 and 2023 allowed a seasonal comparison of plant species presence-absense in yerba mate fields.
Weed flora was classified into scandent and non scandent species to evaluate their relative frequencies within the crop system.
Species aptterns showed no significant seasonal variation, remaining stable throughout the study period (χ² = 2.08; p = 0.56).
Species richness and frequency data provide a robust basis for integrated Weed management strategies and can be applied to other perennial cropping systems
Determinants of Agricultural Land Prices in the Mendoza River Basin: A Spatial Hedonic Analysis with Emphasis on Irrigation Water
Full text linkThis research examines the determinants of agricultural land prices in the Mendoza River Basin, with emphasis on the marginal contribution of irrigation water as a strategic resource in an arid context. An original georeferenced database of 297 cultivated rural properties (2003-2024) was compiled, using advertised asking prices expressed in 2024 constant US dollars. A mixed spatial hedonic model with a log-log functional form was applied, incorporating hierarchical random effects (district nested within department), exponential spatial correlation, and heterogeneous variance across districts. The results indicate that properties with definitive surface irrigation rights command prices approximately 21% higher than comparable properties that rely exclusively on groundwater, confirming surface irrigation water as a pivotal economic asset. Soil quality and productive improvements increase land values by approximately 20% and 21%, respectively. In contrast, land size and distance to urban centres have significant negative effects (elasticities of -0.39 and -0.47). These findings highlight the central role of surface irrigation water as an economic asset and indicate a territorially segmented land market. The proposed methodology provides empirical evidence to support the design and implementation of water management and land-use planning policies in irrigated agricultural regions.
Highlights:
A spatial mixed log–log hedonic model is estimated for 297 agricultural properties in an arid irrigated basin.
Secure surface or mixed irrigation water increases farmland prices by approximately 21% relative to groundwater-only properties.
Soil quality and productive improvements generate land value premiums of approximately 20% and 21%, respectively.
Larger farms and greater distance to urban centres significantly reduce land values.
Accounting for spatial dependence and territorial hierarchy improves inference and policy relevance.This research examines the determinants of agricultural land prices in the Mendoza River Basin, with emphasis on the marginal contribution of irrigation water as a strategic resource in an arid context. An original georeferenced database of 297 cultivated rural properties (2003-2024) was compiled, using advertised asking prices expressed in 2024 constant US dollars. A mixed spatial hedonic model with a log-log functional form was applied, incorporating hierarchical random effects (district nested within department), exponential spatial correlation, and heterogeneous variance across districts. The results indicate that properties with definitive surface irrigation rights command prices approximately 21% higher than comparable properties that rely exclusively on groundwater, confirming surface irrigation water as a pivotal economic asset. Soil quality and productive improvements increase land values by approximately 20% and 21%, respectively. In contrast, land size and distance to urban centres have significant negative effects (elasticities of -0.39 and -0.47). These findings highlight the central role of surface irrigation water as an economic asset and indicate a territorially segmented land market. The proposed methodology provides empirical evidence to support the design and implementation of water management and land-use planning policies in irrigated agricultural regions.
Highlights:
A spatial mixed log–log hedonic model is estimated for 297 agricultural properties in an arid irrigated basin.
Secure surface or mixed irrigation water increases farmland prices by approximately 21% relative to groundwater-only properties.
Soil quality and productive improvements generate land value premiums of approximately 20% and 21%, respectively.
Larger farms and greater distance to urban centres significantly reduce land values.
Accounting for spatial dependence and territorial hierarchy improves inference and policy relevance
Camadas de memória nos territórios: A Construção Espacial da Violência em Papagallos (Mendoza, Argentina)
Full text linkThese research notes emerge from a collective dialogue articulated through engagement with various projects, teams, and institutions, including research on recent history and memory in Mendoza, collaborative work with the Mendoza Team of Forensic Archaeology and Anthropology, and other experiences.
The analysis focuses on Papagallos, a territory in the piedmont of Mendoza that encompasses sectors of El Challao (Las Heras) and nearby areas of the City of Mendoza. It is a space with diffuse boundaries, whose definition exceeds administrative borders and instead refers to social practices, sedimented memories, and persistent conflicts. Drawing on a polyphony of voices—testimonies of survivors, relatives, community leaders, academics, human rights organizations, feminist research, press records, and territorial observations—the study seeks to trace layers of memory, silences, and memory initiatives that shape the space.
First, a characterization of the geographical and social space of Papagallos is presented; then, emblematic cases across different temporalities are analyzed —before, during, and after the last dictatorship; finally, from the perspective of critical cartographies and feminist counter-cartographies, the paper reflects on the historical continuities in the spatialized construction of violence, and the disputes over memory inscribed in the territory.Estas notas de investigación surgen de un diálogo colectivo articulado a partir de la vinculación con diversos proyectos, equipos e instituciones: investigaciones sobre historia y memoria reciente en Mendoza; el trabajo con el Equipo Mendocino de Arqueología y Antropología Forense; entre otras experiencias.
El análisis se centra en Papagallos, un territorio del pedemonte mendocino que abarca sectores de El Challao (Las Heras) y áreas próximas a la Ciudad de Mendoza. Se trata de un espacio de límites difusos, cuya definición excede los bordes administrativos y remite a prácticas sociales, memorias sedimentadas y conflictos persistentes. A partir de una polifonía de voces —testimonios de sobrevivientes, familiares, referentes comunitarios, académicos, organismos de derechos humanos, investigaciones feministas, registros de prensa y observaciones territoriales— se busca registrar las capas de memorias, silencios e iniciativas de memoria que modelan el espacio.
En primer lugar, se presenta una caracterización del espacio geográfico y social de Papagallos; luego se analizan casos emblemáticos en distintas temporalidades - antes, durante y después de la última dictadura; finalmente, desde el campo de las cartografías críticas y las contra-cartografías feministas, se reflexiona sobre las continuidades históricas en la construcción espacializada de la violencia y la territorialización de las memorias en disputa.Estas notas de pesquisa surgem de um diálogo coletivo articulado a partir da vinculação com diversos projetos, equipes e instituições, entre eles pesquisas sobre história e memória recente em Mendoza, o trabalho com a Equipe Mendocina de Arqueologia e Antropologia Forense, entre outras.A análise centra-se em Papagallos, um território do pedemonte mendocino que abrange setores de El Challao (Las Heras) e áreas próximas à Cidade de Mendoza. Trata-se de um espaço de limites difusos, cuja definição excede os limites administrativos e remete a práticas sociais, memórias sedimentadas e conflitos persistentes. A partir de uma polifonia de vozes — testemunhos de sobreviventes, familiares, lideranças comunitárias, acadêmicos, organismos de direitos humanos, pesquisas feministas, registros de imprensa e observações territoriais — busca-se registrar as camadas de memórias, silêncios e iniciativas de memória que modelam o espaço.Em primeiro lugar, apresenta-se uma caracterização do espaço geográfico e social de Papagallos; em seguida, analisam-se casos emblemáticos em distintas temporalidades — antes, durante e depois da última ditadura; por fim, a partir do campo das cartografias críticas e das contra-cartografias feministas, reflete-se sobre as continuidades históricas na construção espacializada da violência e a territorialização das memórias em disputa