A compilation of most of the seminars presented during a symposium held in Arnhem, the Netherlands. The introduction treats not only the Netherlands as wetland in a larger landscape but also the various wetland types within the country itself. The subsequent case studies concern representative wetland types. Both introduction and case studies give an historical, hydrological, physicochemical and biotic characterization of the wetland concerned, as well as a description of management measures in the past and in the present; summarize the threats to the systems; and indicate prospects for the...

Number of pools (%) o 10 20 40 A moorland pool (Dutch: ven, fies, fiaas; Ger- co man: Heidetlimpel; French: etang de bruyere) is :S 2- pools present in the Pleistocene areas of The (f) Netherlands, particularly in the northern province Fig. 2. Size distribution of 346 moorland pools in Noord- of Drenthe and the southern province of Noord- Brabant (after A. W. M. Mol, unpubl. ). Brabant (Fig. 1) The size of a typical moorland pool is between 0. 5 and 1. 5 ha, but many smaller and larger pools After the formation of the pools the open water exist (Fig. 2). The maximum size is 75 ha. The was...

Papers presented at a Symposium held in Utrecht, The Netherlands, October 1982