The past five years have seen the arrival and extremely rapid expansion of West Nile virus (WNV) in the Western Hemisphere. The rapid sweep across North America has permitted little time for developing knowledge of the virus's potential impacts on…

(3) the richness pattern is independent of the endemism pattern because the richest areas are the tropical humid lowlands, and (5) Mexico presents several insular intracontinental patterns, which are the product of the disjunct and heterogeneus distribution of xeric and…

Abstract. The great contemporary organizational challenge for enterprises is to create a conceptual and methodological framework allows the management of knowledge by means of networks designed for social interaction. This statement is based on the premise that the competitive drive…

and (ii) the derived state of the breeding (rather than winter) ecological niches of each species., The evolution of migration has long been considered complex and recent work has demonstrated additional complexity: some species follow the same ecological conditions throughout…

of the remaining 263 species, we arrived at a specieslevel identification for 242, and identified the remainder to genus (19) or family (2). The recent discovery of these ornithological texts and paintings offers a unique view of the history of…

Although some excellent articles 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 tried to…

Las dificultades para evaluar el conocimiento estratégico han estado relacionadas principalmente con el uso de pruebas descontextualizadas, que no requieren ponerlo en juego; por esto el interés por comprobar que las tareas auténticas de escritura ofrecen ventajas para ello. En…

In the numerous agricultural information technologies, agricultural knowledge system has become an important part of the agricultural intelligent information technology (AIIT). This paper introduces the composition and working principle of the development tool for the binary tree-based knowledge system and…

The serious, probably devastating problems with which all cultures of the world are grappling are discussed, and the question of what sorts of scientific knowledge are needed to resolve these problems is considered. The knowledge now available in the behavioral…

RESUMEN En esta comunicación se sugiere una revisión de la clásica escisión entre teorías cognotivistas y no cognotivistas, a la luz que pueda resultar del repaso a algunos hitos de la teoría del conocimiento como nueva “filosofía primera” o “filosofía…