Color-changing materials with controllable photoswitching properties are highly desirable for technical and smart textile products. In the quest for innovative light-responsive textiles, many efforts have been made to develop materials that can be easily incorporated into fibers and/or fabrics by conventional dyeing, printing or coating processes. Current developments commonly incorporate photochromic inks that...
O excesso de sais nos solos é um problema atual, causado por fatores antropogénicos e naturais, e que leva à degradação deste compartimento, o que compromete a manutenção da biodiversidade que alberga. Para além de análises químicas, uma das formas de monitorizar a qualidade deste recurso é através da realização de testes ecotoxicológicos, analisando as respostas dos organismos a ele expostos. No presente estud...
O excesso de sais nos solos é um problema atual, causado por fatores antropogénicos e naturais, e que leva à degradação deste compartimento, o que compromete a manutenção da biodiversidade que alberga. Para além de análises químicas, uma das formas de monitorizar a qualidade deste recurso é através da realização de testes ecotoxicológicos, analisando as respostas dos organismos a ele expostos. No presente estud...
Purpose: Serralves em Festa! is a festival of contemporary artistic expression held annually in the city of Porto attracting a large number of national and international tourists. As there is no entrance fee, the purpose of this paper is to examine the effect of the perceived value through the attendee’s willingness to pay for the event. The authors also describe the respondents (the “cheap talkers”) who indica...
This special issue is focused on the heterogeneous impacts of tourism in contemporary economies and societies, a question that is achieving increasing attention as tourism becomes a more relevant economic activity, with continuous rates of growth in terms of number of travellers, its economic dimensions and also the negative impacts on the environment, congestion or inflationary processes at the destination pla...
As a consequence of the international financial crisis in 2007, the region of Algarve, where tourism plays an important economic and social role, suffered a decrease in tourism demand, while unemployment increased sharply. Although tourism activities registered a quick recovery, unemployment levels continued to grow. This article examines the impacts of tourism activities on the sectorial structure of the regio...
In a heterogeneous tourist market, segmentation is a valuable marketing tool to focus attention on the most advantageous clusters of visitors. In an ecotourism destination, the attractiveness of tourists may be defined by their ecological awareness, but also their (potential) economic impact, since there is a need to balance ecological sustainability and economic viability. This article proposes a model-based l...
O direito a uma cidade educadora é proposto como uma extensão do direito fundamental de todos os indivíduos à educação. A cidade educadora renova permanentemente o seu compromisso em formar nos aspetos, os mais diversos, os seus habitantes ao longo da vida…” Este capítulo baseia-se num estudo de caso, que pretendeu compreender problemas específicos em profundidade, um fenómeno em particular e o seu contexto.