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Impact of Fisheries on Allis Shad's (Alosa alosa L.) Spawning Population Struct...

Belo, Ana; Mateus, Catarina; Quintella, Bernardo; Pereira, Esmeralda; Moreira, André; Oliveira, Roberto; Batista, Carlos; Almeida, Pedro

Allis shad (Alosa alosa L.) populations have suffered declines and even regional extinction across their distribution range, mainly due to river impoundment, overexploitation, and pollution. In Portugal, the species is classified as Endangered (EN). This fish is regarded as a valuable delicacy, and commercial fisheries dedicated to this species in Portugal are found in rivers in Minho, Lima, Cávado, Douro, Voug...


Fish pass use by shads (Alosa alosa L. and Alosa fallax (Lacépède, 1803)): impl...

Belo, Ana; Cardoso, Gabriela; Pereira, Esmeralda; Quintella, Bernardo; Mateus, Catarina; Alexandre, Carlos M.; Batista, Carlos; Telhado, Ana

Fish pass monitoring is essential to ensure the device's effectiveness as a mitigation measure for river impoundment, guaranteeing the longitudinal continuity of rivers, which is particularly important for diadromous fish that depend on obligatory migrations to freshwater reproduction (anadromous) or feeding areas (catadromous) to complete their life cycle. The upstream migration of the anadromous allis (Alosa ...


Social network enterprise behaviors and patterns in SMEs: Lessons from a Portug...

Fernandes, Silvia Brito; Belo, Ana; Castela, Guilherme

This study analyzes uses of social networks by small and medium-sized enterprises (SMEs) at the Algarve region in Portugal. Results suggest that some firms have integrated their business strategies with social networks, and have groups of professionals responsible for these platforms. Most managers perceive that social networks enhance business performance, but few measure the results. Firms that most frequentl...


Social networks as enablers of enterprise creativity: evidence from portuguese ...

Fernandes, Silvia; Belo, Ana

The present work analyzes the profiles of social networks' users, individuais and enterprises in Algarve (Portugal), having accomplished online questionnaires. Samples of 230 users and 70 firms were collected. According to data obtained there are different behaviors. Users' results highlight the need of harnessing the potential of recruitment and business projects through social networks, as searching for knowl...


Social Networks’ Users: Profiles and Motivations

Belo, Ana; Fernandes, Sílvia; Castela, Guilherme

The present work aims at analyzing the profiles of social networks’ users, having accomplished an online questionnaire. A sample of 230 cases was obtained (limited to a deadline of a thesis that combined this study with another about enterprises’ involvement in social networks). From the socio-demographic data obtained (age, time of day in social networks, level of education and occupational status) there are d...


Social Networks’ Users: Profiles and Motivations

Belo, Ana; Fernandes, Sílvia; Castela, Guilherme

The present work aims at analyzing the profiles of social networks’ users, having accomplished an online questionnaire. A sample of 230 cases was obtained (limited to a deadline of a thesis that combined this study with another about enterprises’ involvement in social networks). From the socio-demographic data obtained (age, time of day in social networks, level of education and occupational status) there are d...


Improvement of the Embalming Perfusion Method: The Innovation and the Results b...

Goyri-O'Neill, João; Pais, Diogo; Freire de Andrade, Francisco; Ribeiro, Paulo; Belo, Ana; O'Neill, Assunção; Ramos, Samuel; Neves Marques, Cláudia

Embalming is a chemical process that aims the preservation and sanitization of the human body indefinitely. The technique of embalm­ing is an important tool in teaching and research in anatomy enabling the preservation of cadaveric material in good conditions (lessen­ing any significant structural changes and maintaining the natural appearance). This article presents the results of embalmed cadavers in ...

Date: 2013   |   Origin: Acta Médica Portuguesa

Ambientes colaborativos virtuais: potencial das redes sociais. O caso das empre...

Belo, Ana; Castela, Guilherme; Fernandes, Silvia Brito

O objetivo do presente artigo é analisar o potencial das redes sociais no desempenho das pequenas e médias empresas da região do Algarve, tendo sido efectuado um questionário para o efeito. O estudo empírico realizado revela que os dados recolhidos (de 70 empresas) possuem boas qualidades psico-métricas. Procedeu-se a uma análise categórica de componentes principais, a qual identificou duas principais tipologia...


How small and medium enterprises are using social networks? Evidence from the A...

Belo, Ana; Castela, Guilherme; Fernandes, Silvia Brito

The evolution of internet created new opportunities for small and medium enterprises (SME), among which are social networks. This work aims at analyzing the potential of these networks for the SME in Algarve, creating a questionnaire for the purpose. The empirical study revealed that some firms have already an integrated business strategy with social networks, as well as a group in the firm responsible for it. ...


O potencial dos sites de redes sociais no desempenho das pequenas e médias empr...

Belo, Ana

A evolução da internet com a web 2.0 criou novas oportunidades para as PME, entre as quais se destacam os sites de redes sociais. O objectivo da presente dissertação é analisar o potencial destas redes como ferramenta de desempenho das PME da região do Algarve, tendo sido efectuado um questionário para o efeito. O estudo empírico realizado revela que os dados recolhidos (de 70 empresas) possuem boas qualidades ...


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