Results 181 to 190 of about 1,062 (198)
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Leaf Characteristics of the Tropical Rain Forest Flora of Los Tuxtlas, Mexico
Botanical Gazette, 1990Sun leaves of 68 species of trees, shrubs, and palms of the tropical rain forest of Los Tuxtlas, Veracruz, Mexico, were studied with respect to morphology, anatomy, and mineral levels. The average leaf had a size of 0.95 dm2 and an oblongate form (three times as long as wide); per m2 surface area it contained 79 g of dry matter, a maximum of 170 g ...
Bongers, F., Popma, J.
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Notes on Amphibians of the Los Tuxtlas Range of Veracruz, Mexico
Transactions of the Kansas Academy of Science (1903-), 1955Recent collecting activity by naturalists in the small range of coastal mountains in southern Veracruz, known as the Los Tuxtlas, is verifying the suspicion that the region is of considerable zoogeographic significance, characterized by a high degree of endemism.
Frederick A. Shannon, John E. Werler
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Journal of Parasitology, 2004
A total of 76 adult individuals of Rana vaillanti were collected in Laguna Escondida, Los Tuxtlas, Veracruz, Mexico, and their helminth infracommunity structure was determined. Among the 21 helminth taxa collected (10 digeneans, 8 nematodes, and 3 acanthocephalans), the digenean Langeronia macrocirra reached the highest prevalence (64.4%), mean ...
Laura, Paredes-Calderón +2 more
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A total of 76 adult individuals of Rana vaillanti were collected in Laguna Escondida, Los Tuxtlas, Veracruz, Mexico, and their helminth infracommunity structure was determined. Among the 21 helminth taxa collected (10 digeneans, 8 nematodes, and 3 acanthocephalans), the digenean Langeronia macrocirra reached the highest prevalence (64.4%), mean ...
Laura, Paredes-Calderón +2 more
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Glomeromycota associated with Mexican native maize landraces in Los Tuxtlas, Mexico
Applied Soil Ecology, 2015Abstract Many native maize landraces are still cultivated by different ethnic groups in Mexico as part of traditional polyculture systems (milpas). However, these systems and landraces are being steadily replaced by fertilized monocultures of genetically improved varieties or maize hybrids.
Wendy Sangabriel-Conde +5 more
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The Journal of Parasitology, 2002
Haematoloechus danbrooksi n. sp. from the lungs of Rana vaillanti in Veracruz state, Mexico, was found. The new species is most similar morphologically to H. medioplexus, H. parviplexus, and H. meridionalis in having a ventral sucker less than half the diameter of the oral sucker.
Virginia, León-Règagnon +1 more
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Haematoloechus danbrooksi n. sp. from the lungs of Rana vaillanti in Veracruz state, Mexico, was found. The new species is most similar morphologically to H. medioplexus, H. parviplexus, and H. meridionalis in having a ventral sucker less than half the diameter of the oral sucker.
Virginia, León-Règagnon +1 more
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Formative Period Settlement Patterns in the Sierra de los Tuxtlas
Abstract The Sierra de los Tuxtlas, located in Southern Veracruz, Mexico, exhibits a pre-Columbian sequence that includes a substantial Formative Period (ca. 2000 cal BC–cal AD 300) presence. In fact, studies of ancient settlements in and immediately around the Tuxtlas provided an initial impetus for investigations that came to ...Lourdes Budar, Philip J. Arnold
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Manual de ganadería sostenible en la región de Los Tuxtlas, Veracruz
El Manual de ganadería sostenible en la región de Los Tuxtlas, Veracruz, es resultado de un esfuerzo colaborativo del colectivo Red de Ganadería Sostenible (ReGaSo), conformado por miembros del sector productivo, público, académico y de la sociedad civil, en el marco del proyecto de investigación e incidencia (PRONAII) “Laboratorio de innovación ...Karina Boege Paré +18 more
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Notes on the Los Tuxtlas Style
Art Institute of Chicago Museum Studies, 1972openaire +1 more source