ISSN: 2310-2799
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546,196 artículos
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Año:
1993
ISSN:
2448-7279, 0188-4611
Sánchez Crispín, Álvaro
Instituto de Geografía
Resumen
The aim of this is to establish how metallic mining has created its own territorial structure in Oaxaca, South Mexico, under the assumption that small and medium–size companies control mineral production. There are two major parts in this paper: the first examines the context in which mining in Oaxaca takes place. The second part is concerned with the description of the exploitation of some of the major gold–silver deposits in that state, by two mining companies.
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Año:
1993
ISSN:
2448-7279, 0188-4611
García de Fuentes, Ana
Instituto de Geografía
Resumen
The concept "Economic Assimilation of the Territory" developed in the former USSR and used in the study of the regional structure of this country and in Cuba as well, integrates the typological conception with regional analysis. Therefore it is possible to set up a hierarchy in the territorial economic interpretation of a country. The aim of this work is to introduce the theoretical backgrounds and the necessary methodological modifications which allowed their adaptation to the case of Mexico.
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Año:
1993
ISSN:
2448-7279, 0188-4611
López García, José
Instituto de Geografía
Resumen
A soil survey was carried out at a semidetailed level by means of aerial photography and the relationships of photographic–soil and landscape–soil images. This permitted to separate the photointerpretation units. Sampling pilot areas, transect lines and free sampling were established in order to extrapolate the soil units from the work area. Two mesoclimatic units were separated, the first is the warm–subhumid, with the Mollisol and Vertisol orders, with 71% of this unit and 29% at the Entisol, Alfisol and Aridisol orders. The other unit Semiwarm–subhumid mesoclimatic, includes the Vertisol and Mollisol, with a 59.16%, the Entisol with 21.92 and 18.82 for the Aridisol and Alfisol orders.
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Año:
1993
ISSN:
2448-7279, 0188-4611
Jáuregui Ostos, Ernesto
Instituto de Geografía
Resumen
During the last decade of the XIX Century Manuel Moreno y Anda, a climatologist at the Meteorological Office published a paper on the urban/rural thermal contrasts in Mexico City. Using Moreno´s temperature data, of the seasonal variation of the urban heat island intensity is described in what was then a small city. Trend analysis of the urban station (at the National Palace) for 11 years shows an increasing trend in the minimum temperature that may be attributed to urbanization.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Wagner, Claudio
El Colegio de México
Resumen
En este número no se incluyeron resúmenes ni palabras clave.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Knauer, Gabriele
El Colegio de México
Resumen
Se reseñó el libro: Systématique historique du mode subjonctif espagnol.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Martín Butragueño, Pedro
El Colegio de México
Resumen
Se reseñó el libro: Introducción a la pragmática.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Martín Butragueño, Pedro
El Colegio de México
Resumen
Se reseñó el libro: Reflexiones lingüísticas y literarias. T. 1: Lingüística.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Lara, Luis Fernando
El Colegio de México
Resumen
Se reseñó el libro: El español hablado en Honduras.
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Año:
1993
ISSN:
2448-6558, 0185-0121
Sala Valldaura, Josep Maria
El Colegio de México
Resumen
En este número no se incluyeron resúmenes ni palabras clave.
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