Rhotic Variation and Contrast in Veracruz Mexican Spanish Variación Y Contraste En Las Róticas Del Español Mexicano De Veracruz
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A New Flagelliflorous Species of Stenanona (annonaceae) from Mexico, with a Review of the Phenomenon of Flagelliflory
Stenanona flagelliflora is described as a new species of small, flagelliflorous tree from deep-soil hill rain forests of the Uxpanapa-Chimalapa region of the Isthmus of Tehuantepec, in Veracruz and Oaxaca, Mexico. In flagelliflory, flowers are borne on essentially leafless modified whip-like branches that trail across the ground; this is the first report of the phenonenon for the flora of Mexic...
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Analizamos el sismo del 6 de septiembre de 1997 (M w 4.5), que se produjo a unos 25 km al SE de Coatzacoalcos, Veracruz. El sismo fue registrado por la estación local TUIG de banda ancha de (tiempo S-P = 5 s). Las polaridades de la onda P a distancias regionales y telesísmicas, y el modelado de las formas de onda de desplazamiento en TUIG sugieren un mecanismo focal inverso ( = 150o; = 70o; = 9...
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—To examine the partitioning of genetic variation within the Mexican vole (Microtus mexicanus), we analyzed variation within the cytochrome b (cytb, ca. 953 bp) from 44 samples of the Mexican vole from the mountains of the southwestern United States and Mexico. Phylogeographic analyses demonstrated strong support for a western clade and an eastern clade, corresponding to the Sierra Madre Occide...
متن کاملAnaphylaxis Associated with Peanuts and Nuts in Late Mexican Adolescents: A Population Based Study
Background: There is a lack of information regarding anaphylaxis that is triggered by the peanut and nuts in countries with emerging economies. We aimed to identify the factors that are related to the prevalence of secondary anaphylaxis that results from ingesting peanuts or nuts. Materials and Methods: A cross-sectional, population-based study was conducted in which we applied a structured qu...
متن کاملA New Species of Rain Forest Canopy Tree from the Isthmus of Tehuantepec, Mexico
Ocotea heribertoi is a remarkable new species from very high precipitation rain forests of the Chimalapa-Uxpanapa region of the Isthmus of Tehuantepec in Oaxaca and Veracruz, Mexico. It sports the largest known globose fruit within this large genus, borne in an unusual cupule, while the combination of vegetative and floral features indicate that it is apparently not closely related to any descr...
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تاریخ انتشار 2012