The actual knowledge about the freshwater algae of Mexico is very uneven from various points of view, despite its recognized potential as indicators of environmental conditions and to be the basal part of trophic chains in aquatic environments. The largest…

Surfaces of buildings at the archaeological site of Palenque, Mexico, are colonized by cyanobacteria that form biofilms, which in turn cause aesthetic and structural damage. The structural characterization and species composition of biofilms from the walls of one of these…

Descripción completa.

El presente Seminario de Titulación es básicamente un trabajo de investigación y análisis sobre la Ciberinfraestructura disponible en la Web para el manejo y recuperación de literatura especializada en Ciencias Biomédicas, el cual incluye la descripción y una clasificación con…

Ricinuleids are one of the least investigated groups of Arachnida. In particular, knowledge of their ultrastructure is poor. Observations of the distal tarsomeres of ricinuleids show differences in their shape and equipment of surface structures. Legs I and II are…

Knowledge about fresh water bodies biology in the State of Tlaxcala, Mexico, has become of relevant importance in order to diagnosticate possibilities about natural aquatic renewable resources management for an optimum exploitation. For first ocassion, Apizaquito Reservoir in the State,…

Mimosoideae), Mimosa (Mimoseae, Mimosoideae), Lysiloma (Ingeae, Mimosoideae),and Sophora (Sophoreae, Papilionoideae). Another fruit exhibits a combination of characters unknown among extant legumes, and although superficially similar to some species of Papilionoideae, it represents an extinct genus. The four identified genera are…

The Upper Cenozoic flora of the Pie de Vaca Formation, Puebla, Mexico, is yielding important elements that contribute to a more complete knowledge of the Tertiary floras of southern latitudes of North America. Among the most abundant plant organs in…