6 documents found, page 1 of 1
Assessment of Fish Passage and Behaviour through a Tidal Weir Using an Underwat...
Oliveira, Roberto; Alexandre, Carlos; Quintella, Bernardo R.; Rato, Ana Sofia; Pedro, Sílvia; Almeida, Pedro R.The “Rio Novo do Principe” temporary tidal weir is built annually in the brackish section of the Vouga river to prevent saline intrusion during the low-flow summer period, thus securing freshwater abstraction for agricultural and industrial uses. Compatibilization between these objectives and successful fish migration, coupled with adequate biological monitoring of this infrastructure, is essential, since it is...
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, PedroAllis 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...
The relationships between front crawl performance and hydrodynamics in young fe...
Marinho, Daniel; Oliveira, Roberto; Garrido, Nuno; Barbosa, Tiago; Costa, Mário; Silva, António; Costa, AldoThe purpose of this study was to analyse the relationship between front crawl performance and hydrodynamic variables during leg kicking. Sixteen female age-group swimmers (9.2±0.6 years-old, 42.4±8.5 kg, 1.5±0.1 m) participated in this study. The 200m front crawl performance, the 200m front crawl kicking performance and the active drag during leg kicking were measured. The velocity perturbation method was used ...
The relationships between front crawl performance and hydrodynamics in young fe...
Marinho, D.A.; Oliveira, Roberto; Garrido, Nuno D.; Barbosa, Tiago M.; Costa, M.J.; Silva, A.J.; Costa, Aldo M.
The relationship between front crawl performance and hydrodynamics in young fem...
Marinho, D.A.; Oliveira, Roberto; Garrido, Nuno D.; Barbosa, Tiago M.; Costa, M.J.; Silva, A.J.; Costa, Aldo M.
Perfil de desempenho e requisitos para a vitória no escalão juvenil de voleibol
Rodrigues, Luis Paulo; Pereira, Ana; Silva, Ângelo; Ferreira, Francisco; Silva, Hugo; Maia, Isabel; Branco, João; Quintela, João; Vieira, JoséO desempenho e a eficácia no jogo dos jovens voleibolistas devem constituir orientação fundamental para a planificação do processo de formação desportiva. No presente estudo é analisada a prestação das equipas juvenis participantes na fase final do campeonato nacional de voleibol do Desporto Escolar em 2005. Foram observadas onze equipas, num total de 37 registos de jogo (18 femininos, 19 masculinos) utilizando...