The species–area relationship (SAR) gives a quantitative description of the increasing number of species in a community with increasing area of habitat. In conservation, SARs have been used to predict the number of extinctions ...

Areas of endemism are the smallest units of biogeographical analysis. One of its definitions is that these areas harbor organisms with restricted distributions caused by non random historical factors. The aim of this study ...

Primary production correlates with diversity in various ways. These patterns may result from the interaction of various mechanisms related to the environmental context and the spatial and temporal scale of analysis. However, ...

This chapter addresses the issues of segregation and social mix by comparing two socially diverse neighbourhoods in Chicago (Cabrini Green and Near North) and Santiago (La Loma and La Florida area). It aims to understand ...

El presente estudio pretende investigar las relaciones afectivas en personas con discapacidad intelectual. Las relaciones afectivas son inherentes al ser humano, siendo intrínsecas a la condición humana. Es bien sabido ...

Access control is a key component of security in any computer system. In the last two decades, the research on Role Basead Access Control Models was intense. One of the most important components of a Role Based Model is ...