The aim of this paper is to determine the chronology of the information on papilionid and pierid butterflies of Mexico, as well as the patterns of collection and who were the most active collectors freom a curatorial databases and bibliography.…

Although some excellent Artículo de investigacións about Lyell's work have been published, they do not explicitly deal with Lyell's biogeographical conceptions. The purpose of this paper is to analyse Lyell's biogeographical model in terms of its own internal structure. Lyell…

2013

El concepto de gremio trófico es útil para el avance en el conocimiento de la estructura trófica de las comunidades, las interacciones entre especies, el reconocimiento de los servicios ecosistémicos que proveen, la respuesta al cambio climático, las estrategias de…

Abstract: The mangrove ecosystem is a coastal tropical biome located in the transition zone between land and sea that is characterized by periodic flooding, which confers unique and specific environmental conditions on this biome. In these ecosystems, the vegetation is…

The success of the development of new sugarcane varieties is associated with the ability to correctly select the genitor. The aim of this study was to evaluate the genetic diversity between 113 clones and sugarcane varieties using the Ward-modified location…

Research on self-regulated learning (SRL) in hypermedia-learning environments is a growing area of interest. One major issue is the role of prior knowledge, which can influence how students interact with hypermedia-learning systems in terms of their use of SRL strategies.…

In this work we present a reactive autonomous robot navigation system based only on omnidirectional vision. It does not rely on any prior knowledge about the environment apart from assuming a structured one, like indoor corridors or outdoor avenues. The…

La Quebrada de Humahuaca representó una importante vía de poblamiento que mantuvo en el tiempo niveles variables de interacción con otras subáreas del Noroeste Argentino y de regiones vecinas. Constituye, entonces un problema relevante el conocimiento de la estructura de…

Le jeu casual est un phénomène majeur de l’industrie vidéoludique, pourtant il reste peu étudié et mal considéré. Les quelques définitions scientifiques recensées présentent des divergences importantes, ainsi qu’un décalage par rapport aux jeux produits. Les modèles théoriques en design…