Spinnen van de Ackerdijkse Plassen (Arachnida: Araneae). Een eerste verkenning

A list of the spiders found in the littoral vegetation of the Ackerdijkse Plassen, a fenland in the province of Zuid-Holland to the north of Rotterdam, is presented. The differences and similarities with the more extensive fenlands in the central and northern parts of the Netherlands are discussed.