The increasing demand on renewable energy in the past decade resulted in the development of more windmill parks in the north-sea. The north-sea is an ideal sea for the development of offshore structures such as windmill parks due to its morphological benefits of being a shallow sea with soft soils consist …

Today the awareness about anthropogenic waste and litter in the marine environment is rising. There is evidence on the threat to marine ecosystems through plastic litter, all over the world. To understand this issue better citizen science projects, help to gather data about the distribution and origins …

The turbidity in Lake Markermeer limits the primary production by phototrophic algae and the growth of plants. In turn, this limits the amount of fish and other organisms that live in and around Lake Markermeer in its food sources. To determine if there are organisms that limit the resuspension, a survey …

In dit rapport wordt de vraag beantwoord: “Wat is het optimale sluisbeheer van de scheepvaarsluis Goereese Sluis voor het faciliteren van een vismigratieroute bij de Haringvlietsluizen tussen de Voordelta en het Haringvliet?” Om hier een antwoord op te kunnen geven zijn volgende deelvragen genoemd: 1. Welke …

Sustainable urban drainage systems (SuDS) such as swales are designed to collect, store and infiltrate a large amount of surface runoff water during heavy rainfall. Stormwater is known to transport pollutants, such as particle-bound heavy metals, which are known to often accumulate in the topsoil. In …

The invasive lionfish (Pterois volitans and Pterois miles) started invading the Caribbean Sea since the 1980’s and were first sighted on the Saba Bank since 2009 where they established themselves fully during the following two years. They have no specific preference for prey species and their predation …

India is facing issues with the availability of vegetables and with water quality and availability especially in Maharashtra where the availability of water depends on the season. Drought years can have a severe impact on the agriculture production. The polyhouse can be a solution to increase the production …

The Reeuwijkse Plassen have been dealing with a declining water quality for the past century. One of the problems is eutrophication due to in- and outflow of nutrient rich water from surrounding areas which caused algae blooms and turbid waters. The waterboard Hoogheemraadschap Rijnland implemented measures …

During incubation, an embryo is developing in the egg for a period of 21 days. During the incubation process air exchange occurs between the egg and its external environment during which it loses humidity due to water diffusion through the shell. This loss in humidity can affect chicks’ quality and, …

In het noorden gaat de poort wijd open voor vissen die migreren tussen de Waddenzee en de binnenwateren. Van zalm, paling en houting tot de ‘iconische’ zeeforel. Binnenlaten alleen is echter niet genoeg. Herstel van de vismigratievraagt om maatregelen tot ver in Drenthe en Overijssel.