The Service of William A. Harris at Buenos Aires 1846–1851

1960 ◽  
Vol 16 (3) ◽  
pp. 251-269
Author(s):  
William Dusenberry

William A. Harris ably served the United States as chargé d'affaires at Buenos Aires from June, 1846, until October, 1851, during one of the most critical periods in Argentine history. When he went to his post of duty, Argentina was suffering both from external and internal strife. France and England had intervened in affairs in the Río de la Plata, and had blockaded the coast. Relations between Argentina and two of her neighbors, Paraguay and Brazil, were strained. The government of Buenos Aires was fomenting civil war in Uruguay. There was mounting tension between Buenos Aires and the back country provinces. Public discontent prevailed within Buenos Aires Province. Foreign nationals residing there became increasingly apprehensive about the future of their business enterprises. The heavy hand of the violent caudillo, Juan Manuel de Rosas, Governor of Buenos Aires Province, was felt throughout the entire area of the Río de la Plata. His position was so strong that in most respects he controlled affairs of the whole Argentine Confederation, comprising fourteen provinces.

1988 ◽  
Vol 20 (2) ◽  
pp. 313-335 ◽  
Author(s):  
Thomas Whigham

Though Argentina has long been synonymous with trackless pampas and teeming livestock herds, this common image requires some qualification. Before the late nineteenth century, when refrigerated transport made possible a large international market for Argentine beef, cattle played a less important role in the economy of the Río de la Plata than is usually assumed. Except for Buenos Aires province, where stockraising was predominant even in the colonial period, ranchers often had to struggle hard and insistently to find their niche in the overall commerce of the region. Grazing conditions were excellent in many areas of the Río de la Plata, but because the port of Buenos Aires always enjoyed a near-exclusive control over external trade, theporteñoseffectively blunted the development of any stockraising that threatened to compete with their own exports. In the northeastern provinces, this resulted in a cattle industry marked by technological backwardness and erratic growth. The chaotic politics of the post-independence era reinforced these conditions, though reform-minded ranchers and government officials consistently tried to improve provincial standards of stockraising.


Check List ◽  
2011 ◽  
Vol 7 (5) ◽  
pp. 596 ◽  
Author(s):  
Yamila P. Cardoso ◽  
Florencia Brancolini ◽  
Lucila Protogino ◽  
Marta Lizarralde

The present work extends to Argentina the distribution of Hypostomus aspilogaster originally described from Uruguay River in southern Brazil. The examined specimens were sampled in the stream Mandisoví Grande, affluent of Uruguay River in Entre Ríos province, and in Punta Lara, from Río de la Plata basin, in Buenos Aires province, Argentina. This represents the first country record for this species. 


2017 ◽  
Vol 10 ◽  
pp. 43-50
Author(s):  
Nilda Ester Radman ◽  
María Inés Gamboa ◽  
Marcos Javier Butti ◽  
Marianela Blanco ◽  
Ana Rube ◽  
...  

2020 ◽  
Vol 8 (2) ◽  
pp. 460-478
Author(s):  
Rocío Melzi Fiorenza ◽  
Horacio Sirolli ◽  
Pablo I. Picca

Coastal reclamation constitutes a world trend and can result in new ecosystems adapted to the new coastal configuration. In Buenos Aires City, the “Ciudad Universitaria - Costanera Norte” Ecological Reserve (RECU-CN) constitutes one example of the expansion of the coastline in the Río de la Plata sector, carried out in the late 1960s. Given the lack of published works generated systematically that cover the entire area, we set as the objective to describe the RECU-CN vascular plant vegetation. For this, a systematic sampling was carried out in 79 plots of 25 m2, where the coverage of each of the vascular plant species present was registered. We identified 154 taxa, corresponding to 144 species, 123 genus and 58 families, and the total richness was estimated as 238 species. Trees and herbs had the highest coverage of all life forms. Through multivariate analysis, three vegetation units (Wetland, Forest and Grassland with groves) and 10 vascular plant communities were recognized. Vegetation was ordered according to two gradients: one of flood and another of anthropization. From the comparison with the typical plant communities of the region, similarities were found only with those registered in the Wetland unit. Results highlight that both the coexistence of physiognomically diverse vegetation units, as well as the native composition found in the plant communities of the Wetland unit, constitute main conservation values of the protected area.


2008 ◽  
Author(s):  
◽  
Paula Edith Lombardi

La actividad de la enzima ácido δ-aminolevulínico dehidrasa (ALA-D) es un reconocido biomarcador específico de exposición a plomo. Debido a sus características ha sido utilizado en estudios de monitoreo ambiental para evaluar la exposición a plomo en diversos organismos, entre ellos peces. El principal objetivo del presente trabajo de tesis fue validar un método de evaluación general de riesgo ecotoxicológico por exposición a plomo en poblaciones naturales de peces. Para tal fin se seleccionaron tres especies recolectadas del río de la Plata: Prochilodus lineatus (sábalo), Leporinus obtusidens (boga) y Cyprinus carpio (carpa). Las zonas de muestreo elegidas fueron: Berazategui y Berisso ubicadas cerca de las emisiones de residuos cloacales provenientes de las ciudades de Buenos Aires y La Plata. La tercera, Atalaya, libre de emisiones cloacales, pero sujeta a emisiones diversas, todas ellas, de origen antropogénico. Los muestreos se realizaron entre junio de 2002 y mayo de 2004. En primera instancia se caracterizaron diversos parámetros de la enzima ALA-D en muestras de sangre y de tejido hepático. Los resultados obtenidos mostraron características similares en la enzima sanguínea de todas las especies estudiadas. Lo mismo se observó para la enzima hepática. La comparación entre tejidos mostró diferencias en el valor de Km, siendo menor para la enzima hepática. Posteriormente, se procedió a validar el uso de la enzima como parámetro biomarcador de exposición a plomo en estudios de campo.


2018 ◽  
Vol 67 (1) ◽  
pp. 105-130
Author(s):  
Matías Maggio-Ramírez

La Storia antica del Messico de Francisco Javier Clavijero circuló en su edición italiana por las principales ciudades de América a finales del siglo xviii y principios del xix. A partir de su presencia en el Telégrafo Mercantil, Rural, Político, Económico e Historiográfico del Río de la Plata, se analizó su difusión y apropiación. A pesar de los inconvenientes que tuvo la obra de Clavijero para su edición al castellano, se publicó en Buenos Aires una traducción local. La obra fue leída como una reivindicación americana, en el marco del proyecto ilustrado de civilización de las costumbres que la élite criolla fomentó mediante la prensa.


2019 ◽  
Vol 23 (2) ◽  
pp. 59-79
Author(s):  
Fernanda Anabella Day Pilaría

A partir del análisis de los conjuntos arqueofaunísticos recuperados en el litoral del Río de la Plata (partidos de Magdalena y Punta Indio, provincia de Buenos Aires) realizamos algunas interpretaciones acerca de las actividades de captura, aprovechamiento, procesamiento, cocción, consumo, almacenamiento y descarte de los recursos animales que las sociedades cazadoras, recolectoras, pescadoras y ceramistas llevaron a cabo en distintos momentos del Holoceno tardío. Los registros presentan una baja proporción de marcas de corte, característica que potencialmente puede condicionar la reconstrucción de las secuencias de procesamiento y cocción que se realizaron con los recursos animales. Por tal motivo, el objetivo de este trabajo es reflexionar en torno a las causas que explicarían la escasez de marcas de corte en los conjuntos arqueofaunísticos del litoral del Río de la Plata. Se consideran distintas variables como el instrumental utilizado, las acciones realizadas y las habilidades de los despostadores en las prácticas de procesamiento de las distintas especies animales.


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