Water velocity in rearing units for Atlantic salmon post-smolt can influence fish robustness. Studies have shown that training at velocities between 1-2 body lengths/second (bl/s) increases disease resistance in salmonid species. Monitoring and timely adjustments to the water velocity during post-smolt …

De Europese zeebaars (Dicentrarchus labrax) heeft een commerciële waarde. Toch is nog maar weinig informatie beschikbaar over de demografische geschiedenis, patronen en de geografische verspreiding van de zeebaars in het noordoostelijke gedeelte van de Atlantische Oceaan (Coscia & Mariani, 2011). De …

This study aimed to get more insight into the habitat use and distribution of three sandeel species (Ammodytes sp. & H. lanceolatus) in the Voordelta and describes the findings regarding the Voordelta as a transitional habitat for sandeel populations. As compensation for loss of habitat and foraging …

Fish and vegetable protein sources are relatively underutilized for human consumption in comparison to meat, dairy and egg protein sources. Only part of the available fish proteins is used: fish is to small for human consumption and fish has a high proportion of by-products, up to 50% of fish weight …

Fish have the natural behaviour to move across various aquatic ecosystems and for some species this is of vital importance. Migration is often a seasonal phenomenon which occurs in order to move between habitats, such as winter refuges-, foraging- and spawning or nursery habitats, also escaping unfavourable …

With the construction of a hydroelectric dam, especially in a fragile region like the Amazon rainforest, many aspects of the environment are affected. (Santos, Barbosa, & Hernandez, 2009) People living in the Amazon, in the vicinity of these construction site, are often very dependent on natural resources, …

Kleinschalige overlaten en vispassages bestaande uit houten damplanken, worden op de traditionele methode (intrillen) aangebracht. Mogelijk kunnen deze overlaten en vispassages ook uit prefab elementen vervaardigd worden. Om hierop antwoord te kunnen geven, is onderzoek gedaan naar het materiaalgebruik …

The international Wadden Sea is an estuarine tidal area along the North Sea coasts of The Netherlands, Germany and Denmark. It is characteristic for regions with sandy coasts and a medium tidal range. Fifty barrier islands separate the Wadden Sea from the North Sea, and an offshore transition zone to …

The German Brown shrimp fishery occurs mainly in the shallow Wadden Sea where large concentrations of Brown shrimp (Crangon crangon) can be found. The Wadden Sea is an ecologically important nursery area for several flat fish and round fish species. In the European Union the Brown shrimp fishery is one …