Espaços ibero-americanos: comércio e investimento

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Espaços ibero-americanos: a uma nova arquitetura do Estado para o desenvolvimento

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Espaços Ibero-Americanos

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Juventude e coessao social na Ibero-América: um modelo a ser construído

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Televisão digital: matrizes teóricas no espaço Ibero-Americano : o caso do México, da Colômbia e da Costa Rica

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Moliendo en ibero, moliendo en griego: aculturación y resistentcia tecnológica en el Mediterráneo occidental durante la Edad del Hierro

[ES] Durante el primer milenio a.C., y especialmente a partir de aproximadamente el siglo V a.C., los sistemas de molienda experimentan una serie de innovaciones técnicas de importancia crucial en la historia de esta tecnología. Dos de las más importantes son el molino rotatorio (manual e ibérico de palanca) y el molino de Olinto. Cada uno pertenece a una tradición: el primero a la cultura ibérica y el segundo a la griega clásica. En este artículo se analizan los datos existentes sobre el origen, evolución y expansión de cada uno de ellos, manifestándose el escaso intercambio tecnológico entre estas dos culturas en lo referente a la molienda del cereal.

Anti-Americanism in Europe: Theoretical Mechanisms and Empirical Evidence

One of the most popular explanations for post-9/11 anti-Americanism argues that resentment against America and Americans is mainly a function of the US government’s unpopular actions. The present article challenges this interpretation: first, it argues that neither the vitality of the resentment in times when the United States had no influence in the respective parts of the world nor its recent radical manifestations are accounted for in a political reductionist framework. In fact, specific traditions of anti-Americanism have an influence on the negative attitudes observed today, as a comparison between Britain, France, Germany, and Poland reveals. Second, this article suggests an alternative theoretical approach. Anti-Americanism can be explained by two basic mechanisms: it functions as a strategy to project denied and disliked self-concepts onto an external object, and it offers an interpretation frame for complex social processes that allows to reduce cognitive dissonance. Multivariate analyses based on empirical data collected in the Pew surveys of 2002 and 2007 show the fruitfulness of our theoretical approach.

Gómez Martínez, José Luis (ed.). Anuario bibliográfico de historia del pensamiento ibero e iberoamericano 1986. EE.UU., The University of Georgia, 1989, 136 p.

Fil: Jalif de Bertranou, Clara Alicia.

Siliceous fossils in sediments of the Ibero-Moroccan shelf and adjacent deep sea plains

Siliceous skeletons were investigated in two core profiles (9 cores), one off Cap de Sines, Portugal and the other off Cap de Mazagan, Morocco. Total number of skeletons was determined per gram of dried sediment at different core depths of the fraction >21 µ. Results are compared with a core profile from the Arabian Sea. Diatoms are of four groups: (A) marine-planktonic, B) marine-benthic, (C) freshwater and (D) Tertiary species (Trinacria e.g.). Species from groups (B), (C) and (D) are redeposited in all cores taken at a water depth of greater than 100 m. Small numbers of Silicoflagellates and Radiolarians were found throughout the cores from the Ibero-Moroccan shelf. In the Arabian Sea core, Radiolarians were concentrated in distinct horizons in which Tertiary material was redeposited (40-50, 140-150, 250-260 cm). The number of siliceous skeletons per gram of dried sediment decreases more or less rapidly with increasing depth in all cores. Whereas about 2500 skeletons were found in sediments close to the surface, approximately 100 skeletons only were found in deeper (>40 cm) layers. Deeper horizons with more than 100 specimens were interpreted as redeposited material. This sediment contained robust skeletons, resistant against dissolution, as well as benthic and Tertiary material. The decrease of siliceous skeletons relative to core depth depends upon the sedimentation rate. Where the sedimentation rate is high, the opal dissolution zone extends down to 30-60 cm, where the sedimentation rate is low, it is located at 10-30 cm. Below these depths opals disappears. These zones also have approximately the same age (4000 years) everywhere. Siliceous skeletons dissolve differentially, first the Silicoflagellates disappear, second the Diatoms, third the Radiolarians, and fourth the Sponge Spicules. Surface structure of skeletons from near the opal dissolution zones are similar to those of skeletons treated with NaOH. Tertiary diatoms (Trinacria e. g.) and benthic diatoms (Campylodiscus e.g.) dissolve less rapidly than skeletons of modern planktonic diatoms (Coscinodiscus e.g.). The time control of the opal dissolution zones appeared rather independent of various oceanic influences. No evidence was found for effects from upwelling either off Portugal or off Morocco. No difference in dissolution rates was recorded between the abyssal plains lying off these two areas. Likewise, there was no change in solution rates from Pleistocene to Holocene within either one of the abyssal plains. The Mediterranean outflow, which is enriched in dissolved silica, apparently had no effect on dissolution rates of siliceous skeletons in the sediment.

Alda Rossebastiano, La tradizione ibero-romanza del "Libro de las maravillas del mundo" di Juan de Mandavila, Alessandria: Edizioni dell'Orso, 1997, 115 pp.

Fil: Rodríguez Temperley, María Mercedes. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

Alda Rossebastiano, La tradizione ibero-romanza del "Libro de las maravillas del mundo" di Juan de Mandavila, Alessandria: Edizioni dell'Orso, 1997, 115 pp.

Fil: Rodríguez Temperley, María Mercedes. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.