In assessing the sustainability of island tourism, the resident population size and yearly number of visitors are key factors. However, to assess the overall resource requirement and environmental impact on local ecosystems, we must also consider the metabolic rates and density of energy and...

This study explores people’s environmental attitudes and motives for putting economic values to marine biodiversity and its protection. Primary data were collected from a sample of 359 people living in two important Greek coastal port cities: Thessaloniki and Volos. Respondents’...

Conservation investments are increasingly evaluated on the basis of their return on investment (ROI). Conservation ROI analysis quantitatively measures the costs, benefits, and risks of investments so conservancies can rank or prioritize them. This paper surveys the existing conservation ROI and...

In this paper, an integrated model for the prevention and control of an invasive species is developed. The generality of the model allows it to be used for both existing and potential threats to the system of interest. The deterministic nature of arrivals in the model allows for a clear...

En el marco del diseño e implementación del subsistema de Áreas Marinas Protegidas (SAMP) en Colombia, se realiza una valoración económica (VE) comprehensiva que utiliza variados métodos e incluye diferentes agentes que van desde comunidades locales hasta compradores de créditos de...

Urban ecologists have extended the bounds of this field to incorporate both the effects of human activities on ecological processes (e.g., humans as generators of disturbances), and the ways in which the structures, functions, and processes of urban ecosystems, and human alterations to them, in...

This paper presents a holistic framework for analysing, assessment and improvement of environmental management in agriculture, and assesses the forms, factors and efficiency of agro-eco-management in Bulgaria during post-communist transition and EU integration. It incorporates an...

Resumen El establecimiento de Áreas Marinas Protegidas se ha definido como la principal herramienta para la protección y conservación de los ecosistemas marinos y costeros. Dentro de los beneficios que ofrece el establecimiento de estas áreas se encuentran aumentos en la biodiversidad de...

La reducción de la pobreza, que afecta a más de un tercio de la población en América Latina y el Caribe, es un objetivo prioritario de las políticas públicas. A partir de un breve diagnóstico de la pobreza, este artículo discute los elementos de una estrategia integral para reducirla,...

There has been a lot of debate regarding the impact of emissions of pollutants on human health and the environment. Epidemiological studies tend to show the impact of increased ambient concentrations of pollutants on increased hospital admissions, mortality, morbidity, respiratory problems, etc....