The main research question of this project was:Which of the four chosen algae is the most suitable for the rearing of Artemia, and ultimately Diadema antillarum larvae, at Van Hall Larenstein University of applied sciences? This question led to several sub questions which could in turn be operationalized …

Spatial and temporal patterns in submarine groundwater discharge (SGD) of nitrate in a high-energy sandy beach system on Spiekeroog Island were examined utilizing UV photometry. SGD as pathway of nitrate was studied to gain better understanding of the variability of nitrate discharge and the factors …

The coral reef ecosystem provides important services such as tourism revenue, food, pharmaceutical products and coastal defence. Coral reefs are under a severe amount of threats such as pollution, overfishing and climate change. These threats result in a decrease of coral reefs and so a decrease in three- …

For multiple reasons, such as changing ocean temperatures, overfishing and unsustainable tourism coral reefs are declining worldwide. A negative feedback loop is created by the loss of three-dimensional structures that the coral reefs create. These three-dimensional structures provide shelters for grazing …

In de toekomst zal Holwerd opnieuw worden verbonden met de Waddenzee door een doorbraak in de zeedijk te maken. Hierdoor ontstaat er een nieuwe ecologische verbinding van de werelderfgoed Waddenzee naar de Holwerder Feart en de Friese boezem. Naast kansen voor de natuur brengt dit economische kansen …

Coral reefs have been in decline over the past decades. This has greatly increased the need for restorative measures. The islands of Saba and St. Eustatius, two special Dutch municipalities in the Dutch Caribbean, are not exempt to this decline. The Saba Conservation Foundation and St. Eustatius National …

De bijvangst van ondermaatse grijze garnalen (Crangon crangon) vormt een probleem voor de garnalenvisserij in de kustzones van Nederland, Duitsland en Denemarken, die voornamelijk vist in beschermde gebieden. De grote visserijdruk op ondermaatse garnaal heeft geleid tot verschillende problemen, waaronder …

Coral reefs in the Caribbean have suffered massive losses of corals since the early 1980s due to a wide range of human impacts, such as explosive human populations growth, coastal pollution, global warming, overfishing, invasive species and diseases. The publication in the journal science in 2003 stated …

This thesis research aimed to answer the question whether Passive Acoustic Monitoring (PAM) data of humpback whales can improve management of the Yarari Marine Mammal Sanctuary in the Dutch Caribbean. This study looks at data recorded on the Saba Bank from December 2016 until April 2017. The PAM data …

Sharks are ecological important inhabitants of most of the world’s oceans and seas. Still their life-history, which is dictated by slow growth rates and late maturity, makes most species, especially demersal- and coastal sharks, prone to exploitation through target- and nontarget fisheries. Another threat …