Meeting the Paris Climate Agreement goals for renewable energy, sea level rise protection and nature preservation require innovative multifunctional solutions in the Netherlands. As part of the Delta21 project, which looks at creating an energy storing reservoir and an energy producing tidal power plant …

The native fish populations in New Zealand have proven to be declining. There are various reasons for this change in population size, one of the biggest being structures that form barriers to migration. This shows the need for fish passage options that are better adjusted to these ‘weaker’ swimmers and …

The ecological connectivity of rivers around the world is under threat due to several anthropogenic influences. Dams and weirs for hydropower production are being constructed at unprecedented rates mainly to satisfy the increasing energy demands and the shift towards renewables. Many migratory species …

Introduction In the harbor of Zierikzee there is a strong tidal influence. The difference between the water levels during high and low tide lies around the three meters. The harbors De Oude Haven and ‘T Sas fall dry during an extremely low tide. When these harbors fall dry, foundations will come in …

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 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 …

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 …