The coral reefs around the world have been under very big pressure. In some places up to 95% coral coverage is already gone. For this big decrease there are many different causes, ranging from natural disasters to predation and sickness. Even humans have a big influence on the coral reefs. To protect …

Coastal tourism and recreation are one of the most rapidly growing fields worldwide and people spend more time outdoors. Skin protection is, in this respect, important to prevent severe skin damage and skin aging. The past decades the awareness and the importance of skin protection against long time …

This study aimed to get more insight into the spatial distribution pattern of the macrobenthos at the Vlakte van de Raan in relation to environmental gradients (median grain size, salinity and bathymetry). 82 samples were collected in November 2016 with a Van Veen grab using the research vessel the ‘RV …

Daily life is greatly influenced by fossil fuels. New technological inventions and the reduction of the ice coverage due to climate change makes it possible for humans to be present and undertake activities, such as gathering oil in previously inaccessible areas like the North Pole (Sagerup, Nahrgang, …

Om de streefdoelen van de Kaderrichtlijn Water te behalen, investeren de Nederlandse waterbeheerders het laatste decennium steeds meer in het ecologisch herstel van beken en rivieren. Kleinschalige herstelmaatregelen - zoals beschaduwen, het inbrengen van houtpakketten en en het aanpassen van het onderhoud …

Door de energietransitie zal het gebruik en de aanleg van bodemenergiesystemen in Amsterdam de komende jaren blijven toenemen. Omdat tijdens de aanleg en onderhoud van open bodem-energiesystemen afvalwater vrijkomt, is het mogelijk dat dit in de toekomst ook toeneemt. Dit afvalwater bevat veel zout, …

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 …

Staatsbosbeheer streeft naar een ecologisch verantwoord visbeleid. In Zeeland bevat de ondergrond veel zout hierdoor is het binnenwater vaak brak in plaats van zoet. Om te kunnen beoordelen wat de invloeden zijn van visserij en de bijbehorende activiteiten, zoals het uitzetten van soorten, is het wenselijk …