Diatoms are essential in the aquatic ecosystem, especially in estuary systems like the Scheldt Estuary, in which centric diatoms are the dominant phytoplankton and serve as an important food resource for upper trophic levels. The understanding of the population dynamics is therefore an essential element …

Since the return of the grey wolf (Canis lupus) in the Netherlands in 2015, much research has been done on the ecology and distribution of the species. This has led to a dietary study using hair- and DNA-sampling of wolf scats, and preliminary analyses of DNA in wolf scats showed that DNA from non-prey, …

The objective of this report is to examine what elements the International Institute for Animal Ethics should incorporate in order to create an effective animal ethics training programme. The research’s main question is as follows: “How can IIAE create an effective animal ethics training programme? ”. …

With increasing world population, more wastewater is produced which all need purification treatment. Removal of pathogenic organisms is important because they can cause problems to human health. This experiment will focus on the removal of human bacterial pathogens. The problem of human bacterial pathogens …

Fragmentation of the environment affects the dispersal of Eurasian lynx (Lynx lynx). This also occurs in the Harz region, in central Germany, where in 2000 the Luchsprojekt Harz started reintroducing the Eurasian lynx. This constantly growing population causes lynx dispersal including high traffic volume …

To protect the otter population in the Netherlands, it is important to understand the otter's ecology. Otters have a very high metabolic rate, and they need to eat often. Here for we need to know of what species their diet consists, as this might influence their behaviour and distribution. When we know …

Nowadays almost half of the world’s population of freshwater turtles and tortoises are threatened with extinction in the wild. Particularly in Asia the population decline is severe and referred to as the “Asian Turtle Crisis”. Turtles are thought to be keystone species and therefore their disappearance …

In de wijk Heechterp in Leeuwarden is een hoge concentratie katten aanwezig. Naar aanleiding hiervan is er een onderzoek verricht naar de haalbaarheid huiskattencastratieactie in deze wijk. Ook is er onderzoek gedaan naar het opzetten van een zwerfkatproject als andere mogelijke oplossing voor het kattenoverscho …