Worldwide, fish species are the most threatened taxa among freshwater vertebrates and have declined by 76% over the past 40 years. Anthropogenic activities such as the construction of dykes and dams are the main cause of this. These obstacles are very important for contemporary society, but they pose …

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 …

Decomposition is an ecosystem process, mainly important in the carbon and nitrogen cycles. When looking at what drives decomposition, there are three major drivers. These are plant litter quality, microbes and soil animals (detritivores). A large problem in understanding the decomposition process is …

Salt marsh stability from 10 different salt marshes was studied in the Dutch Wadden Sea region and the Scheldt Estuary during October and November 2018. This report elaborates how salt marsh stability is influenced by bioturbation of Orchestia sp., grazing of large herbivores and different soil and plant …

Ecologische adviesbureaus beantwoorden ecologische vraagstukken en voeren opdrachten uit voor overheidsinstanties en particulieren. Deze bureaus gaan na of de wensen van deze klanten in strijd zijn met de Wet natuurbescherming. De methodieken die adviesbureaus gebruiken, kunnen onderling echter sterk …

The Bison Hillock is an area in the Carpathians, Romania and one of the areas where the previously extinct European Bison (Bison bonasus) recently has been reintroduced. Although some research on the ecology of the European bison in other areas exist, there was little know about their ecology in the …

The critically endangered western chimpanzee (Pan troglodytes verus) once occurred in 12 West African countries. However, increasing anthropogenic factors have caused a dramatic decline in the species’ habitat and population. This dramatic decline raises fears that the species may become extinct in the …

This assessment was conducted in order to enhance the knowledge on ecosystem services for this unique environment as well as to provide the City of Gold Coast and other relevant authorities with information as to why this unique natural area should be managed and conserved, hence ensuring that future …

Dit onderzoek kijkt naar vier initiatieven die zonder tussenschakel het voedsel direct van boer naar burger brengen. Zonder tussenschakel, omdat daardoor de drempel voor boer en burger om contact met elkaar op te nemen verlaagd is. Daardoor kan de verbinding tussen boer en burger worden hersteld en krijgen …

De natuurlijke omgeving heeft de mensheid veel te bieden. De voortzetting van de cycli in de natuur is zelfs de basis van het menselijk bestaan. Het begrip ‘ecosysteemdiensten’ beschrijft het verband tussen de natuur, de bijdrage (de ‘diensten’) die deze direct of indirect levert aan de mens en het welzijn …