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 …

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 …

The use of artificial reefs for purposes of ecosystem restoration and enhancement is gaining popularity due to recent declines of marine ecosystems. In particular the global decline of natural coral reefs and fish populations demands suitable approaches for improvement. However, is the availability of …

This paper assesses the effect of Marine Stewardship Council certification on the allocation of fishing effort by Filipino purse seine fishers operating in the waters of the Parties to the Nauru Agreement. Targeting skipjack tuna, these purse seiners allocate effort under a vessel day scheme to either …

Today’s internet has become like Deleuze’s societies of control, media scholars argue. The network’s invisible infrastructure, with near global reach, has amplified hierarchies, and is owned, exploited and surveilled by internet, advertising, and data-analytics companies, and by state security institutions. …

Flyer with information about the lectureship INVIS, HAS Hogeschool. Extend and integrate knowledge, experience, and education on healthy and safe insect and fish culture: Investigate risk factors and support the use of healthy and safe insects in aquaculture feed in cooperation with feed processors.

The aquaculture sector is expanding worldwide, which gives this sector an important economic potential. A problem for the on land aquaculture sector is that there is insufficient quality feed for cultivating fish larvae and shellfish. Based on this problem the RAAQUA project was launched (Robust Algae …

This investigation tries to give more insight in the relation between the Carcinus maenas, acting as predator in this part of the food chain and the Ruditapes philippinarum, being hunted by the Carcinus maenas. The focus in this investigation has been based on the occurrence of the different sizes of …

The Wadden Sea is the largest tidal area in the world and is of mayor importance in the sectors ecology, economy and culture. It was therefore added to UNESCO World Heritage Site in 2009. Hallumer-Ryt is an area in The Wadden Sea which is characterised by a saltmarsh. This habitat is considered to be …

This research is conducted as a bachelor thesis of the programme Delta Management at the HZ University of Applied Sciences, Vlissingen and in cooperation with the Living Lab Water Indonesia by nuffic neso and Institut Teknologi Sepuluh Nopember, Surabaya. Plastic debris hindering recovery and reforestation …