A aproximação do fim de vida útil das fragatas da Classe Vasco da Gama e Classe Bartolomeu Dias, e consequente obsolescência e falta de disponibilidade das suas unidades combatentes de primeira linha, expõem Portugal a perdas de credibilidade como produtor de segurança no seio da Organização do Tratado do Atlântico Norte (OTAN). Este estudo de caso analisa uma possível solução, com elevado impacto estratégico, ...
Para as quatro questões de investigação que orientaram este estudo as respostas obtidas foram as seguintes: Qual é o Valor Económico Total dos ecossistemas florestais de Portugal? Para o período de 2014 a 2019, não contando com o ano excecional de 2017, a média do Valor Económico Total dos espaços florestais de Portugal, numa estimativa por defeito, a preços de 2016, foi de 2,240 mil milhões de euros. Subtraind...
Despite the importance of invasive pests, few studies address the costs and benefits of the strategies used to control them. The present work assesses the economic impact of the Eucalyptus snout beetle, Gonipterus platensis, and the benefits resulting from its biological control with Anaphes nitens in Portugal, over a 20-year period. Comparisons were made between the real situation (with A. nitens) and three sc...
Land tenure heterogeneity may be an obstacle to forested landscape-level management planning and the provision of ecosystem services. This research focused on the potential of combining participatory workshops and multiple criteria decision methods (MCDMs) to support the development and negotiation of targets for the supply of ecosystem services and help design the management plan needed to meet those targets. ...
Land tenure heterogeneity may be an obstacle to forested landscape-level management planning and the provision of ecosystem services. This research focused on the potential of combining participatory workshops and multiple criteria decision methods (MCDMs) to support the development and negotiation of targets for the supply of ecosystem services and help design the management plan needed to meet those targets. ...
One of the challenges of studying food consumption behavior is to identify the drivers of choice for a food product. This is particularly important to design and develop new foods for which no previous information is available. Hibiscus sabdariffa L. (Bissap) is an herbaceous plant and an important source of vitamins, minerals, and bioactive compounds, which confer a number of potential health benefits to deriv...