999 resultados para Ria Formosa - Algarve
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Romanized record.
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Photo-offset. Rio, Secretário de Educação e Cultura.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Vols. 6-9, fasc. 2, 1907-June 15, 1910, have subtitle: Revista de sciencias naturaes do Collegio de S. Fiel; v. 9, fasc. 3, Nov. 1, 1910, Revista de sciencias naturaes; v. 10-21, 1912-24, Revista luso-brasileira.
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Key to predicting impacts of predation is understanding the mechanisms through which predators impact prey populations. While consumptive effects are well-known, non-consumptive predator effects (risk effects) are increasingly being recognized as important. Studies of risk effects, however, have focused largely on how trade-offs between food and safety affect fitness. Less documented, and appreciated, is the potential for predator presence to directly suppress prey reproduction and affect life-history characteristics. For the first time, we tested the effects of visual predator cues on reproduction of two prey species with different reproductive modes, lecithotrophy (i.e. embryonic development primarily fueled by yolk) and matrotrophy (i.e. energy for embryonic development directly supplied by the mother to the embryo through a vascular connection). Predation risk suppressed reproduction in the lecithotrophic prey (Gambusia holbrokii) but not the matrotroph (Heterandria formosa). Predator stress caused G. holbrooki to reduce clutch size by 43%, and to produce larger and heavier offspring compared to control females. H. formosa, however, did not show any such difference. In G. holbrooki we also found a significantly high percentage (14%) of stillbirths in predator-exposed treatments compared to controls (2%). To the best of our knowledge, this is the first direct empirical evidence of predation stress affecting stillbirths in prey. Our results suggest that matrotrophy, superfetation (clutch overlap), or both decrease the sensitivity of mothers to environmental fluctuation in resource (food) and stress (predation risk) levels compared to lecithotrophy. These mechanisms should be considered both when modeling consequences of perceived risk of predation on prey-predator population dynamics and when seeking to understand the evolution of reproductive modes.
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The natural and anthropogenic changes that are occurring at the coastal zone around the world represent the greatest problem to society in this century. This problem becomes more evident due to high density of coastal cities, to growing tourist-estate speculation of those areas and to climate change that tend to trigger and accelerate the erosive processes that operating in the littoral. In this context, it‟s possible perceive ever more a significant increase of problems associated to the coastal erosion and retreat of cliffs in the state of Rio Grande do Norte, where this study area of this search is located. The area is located in the coastal zone of the city of Baía Formosa/RN, in south-eastern coast of Rio Grande do Norte, and has a extension of about 1200 meters along the Porto beach. The main objective of this study is to analyze the stability of these cliffs in this region. Through field investigations, testings and computational analysis using the Finite Element Method and Equilibrium Limit Methods. The area was divided into four sections, and were applied checklists, and also realized characterization tests and direct shear tests with materials obtained along these sections. In this manner, it was found that the segments of cliff in this coastal zone have heights around 4 meters to 14 meters and inclinations of approximately 40° to 90°.However the constituents soils of the cliffs were classified, in general terms in accordance to Unified Soil Classification System (USCS), as clayey sands or silty sands, clays of low plasticity, clayey gravels and poorly graduaded sands. The most variegated and clayey soils belong to base of the cliff. The stability analysis showed that the safety factors ranged in section 01, from 1.92 to 4.93, in the section 02, from 1.00 to 1.43, in the section 03, from 1.36 to 1.75 , and section 04, from 1.00 to 3.64. Thus, the sections 02 and 03 were considered more unstable. However, the section 03 can be considered as the most critical section due to the absence of coastal protection structures and the narrow strip of beach.
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Este relatório tem como principal objectivo a descrição e análise de todos os outlets do departamento de F&B do Conrad Algarve, Resort 5 estrelas luxo no Algarve. Estando o F&B presente ao longo de toda a estada do hóspede, torna-se num departamento em constante observação e avaliação. A falta de qualificação e formação dificulta a satisfação das elevadas expectativas do cliente que adquire uma experiencia de luxo mediante o patamar de serviço realmente alcançado por cada sector. De forma mais ou menos incisiva, esta realidade faz-se sentir na produtividade, na motivação e no atendimento geral ao cliente. Nos outlets em que os recursos a trabalhadores temporários são elevados, o decréscimo do elevado padrão de qualidade é notório aos olhos dos hóspedes. Assim, na mesma medida da falta de formação, também a rotatividade se torna um verdadeiro impedimento ao alcance de um nível estável e coerente da prestação de um serviço de luxo.
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No presente trabalho procuramos investigar a influência, de características sociodemográficas e de variáveis pessoais e relacionais da perceção do suporte social e do bem-estar psicológico na transição e adaptação ao ensino superior dos estudantes cabo-verdianos. A investigação incidiu sobre uma amostra de 200 estudantes Caboverdianos, inscritos entre o 1.ºano do 1.ºciclo de estudos e o 2.ºano do 2.ºciclo de estudos, nas comunidades académicas do Algarve e de Coimbra. Para a avaliação das variáveis em estudo foram utilizados, para além de um questionário socio-demográfico, o “Questionário de Suporte Social” (SSQ6; Sarason, Sarason, Shearin& Pierce, 1987), a“Escala de Bem-Estar Psicológico” (EBEP; Ryff&Essex, 1992) e o Questionário de Vivências Académicas (QVA; Almeida, Ferreira & Soares, 1999). Os resultados obtidos sugerem que as variáveis sociodemográficas: género, entrada na instituição de ensino superior pretendida, entrada na 1.ª opção de curso, comunidade académica em que se estuda e estatuto de estudante-trabalhador); e as variáveis do bem-estar psicológico, domínio do meio, relações positivas com outras, objetivos na vida e aceitação de si são importantes preditores da transição/adaptação ao ensino superior dos estudantes cabo-verdianos.
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[ES] Entre los días 16 y 20 de abril de 1981 se realizó un viaje a la región del Algarve (sur de Portugal), durante el cual se colectó un cierto número de ejemplares de diversas especies de anfibios y reptiles. Analizando los resultados obtenidos hemos creído interesante la publicación de esta nota con el objeto de aportar datos acerca de la distribución geográfica de dichas especies, ampliando en algunos lo conocido hasta el presente en base sobre todo a los trabajos de CRESPO (1971, 1972 y 1975), así como proporcionar información sobre biometría y biología de las especies encontradas.