BackgroundTo complete their lifecycle, diadromous fish often need to pass anthropogenic barriers in regulated rivers and estuaries (e.g., pumping stations, weirs, hydropower facilities). The safe and timely passage of the endangered catadromous European eel (Anguilla anguilla), through pumping stations …

Salt marshes are known to be an important habitat type for numerous species of fish. As fish stocks are pressured around the world, providing them with suitable habitat is very important. Through managed realignments or tidal restoration, intertidal salt marshes are created or restored. Which fish use …

Worldwide, fish species are the most threatened taxa among freshwater vertebrates and have declined by 76% over the past 40 years. Anthropogenic activities such as the construction of dykes and dams are the main cause of this. These obstacles are very important for contemporary society, but they pose …

Wageningen Marine Research (WMR) conducts a variety of monitoring programs in Dutch waters. These monitoring programs are conducted to gain knowledge of trends, abundance and diversity of fish species in the Dutch rivers and lakes. Many monitoring programs pay special attention to diadromous fish which …

This research contributes to the Living North Sea project. The aim is to select and apply a socio-economic method in four pilot areas to determine the current and potential value of the areas in relation to the present migrating fish species. This valuation and comparison of the areas are lessons for …