The regime of floods and droughts in the Pantanal wetlands determines the distribution and abundance of the wildlife, vegetation and ecological processes. Cattle ranching and fisheries, the main economic activities in this floodplain, are extremely influenced by and depend on…

The bivalve Limnoperna fortunei (Dunker, 1857), also called golden mussel, is native to Asia but becoming dispersed around the world. The golden mussel resembles the invasive dreissenid bivalves in many respects, and although much less studied it evidently has broader…

This work is focused on the study of digital newspapers interactivity, not considering the electronic versions of written newspapers, assuming that the new newspapers, which don't have neither tradition nor production routines in written communication, can fit better in internet.…

Nueva inscripción en lengua y escritura celtibéricas presumiblemente procedente de Torrejoncillo del Rey (Cuenca), conocida sólo por fotografías, ya que actualmente se halla en posesión de un particular. De confirmarse la autenticidad de la pieza y la lectura propuesta de…

In plant breeding programs, the knowledge about the appropriate sample size for the evaluation of populations is very important. A small sample reduces the chance of selecting superior genotypes, whereas a very large sample may lead to unnecessary increases in…

dentification of groups that are similar in their floristic composition and structure (habitat types) is essential for conservation and forest managers to allocate high priority areas and to designate areas for reserves, refuges, and other protected areas. In this study,…

Biogeography is a discipline included in comparative biology that studies the distribution of organisms, the distributional patterns of organisms are analyzed through the application of different methods, depending on the question formulated. In this work the principles and advantages of…

Diabetes mellitus is a syndrome which affects more and more people in all countries over the world. In Mexico, it is commonly treated with herbal extracts. Such treatment may be of considerable benefit especially during the early stages of the…

Traditional mycological knowledge of most Mexican ethnic groups has proven to be extensive and profound, consuming nearly 300 species of wild mushrooms. In this paper, we identified the mushrooms used by Zapotecs of Ixtlan, Oaxaca, compiled their traditional knowledge and…

Early in the twentieth century it was shown that Mendel's laws apply to plants and animals and that genes reside on chromosomes. In the 1950s the double-helix model of DNA inaugurated the molecular biology era, which culminated at the end…