Harbour porpoises (Phocoena phocoena) are the smallest cetaceans in the North Sea. They have recovered from being rare to nowadays being present throughout the year in numbers reaching to 80 000 in the Dutch sector or the North Sea. The only area where studies were conducted prior to the disappearance …

Als jenaplanschool hebben wij het bieden van onderwijs op maat hoog in ons vaandel staan. We hebben al een uitgebreid zorgplan voor de zwakkere leerlingen, maar willen ons nu ook structureel gaan richten op de onderwijsbehoeften van de (hoog)begaafde leerlingen. Omdat wij de uitgangspunten van Inclusie …

For the Dutch economy the ports of Amsterdam and Rotterdam are crucial. To continue the competitive positions of both ports versus foreign ports, the entrance channels to both ports have to be optimal. That said, it is however a problem. The largest ships calling at these ports have a very deep draught, …