Introduction. Netherlands Wetlands; W.J. Wolff. Case Studies. Coastal Systems: Nutrient cycling and foodwebs in Dutch estuaries; P.H. Nienhuis. The Dutch Wadden Sea: a changed ecosystem; V.N. de Jonge, K. Essink, R. Boddeke. Salt marshes along the coast of the Netherlands; J.P. Bakker, J. de Leeuw, K.S. Dijkema, P.C. Leendertse, H.H.T. Prins, J. Rozema. Large River Systems: The rivers Rhine and Meuse in the Netherlands: present state and signs of ecological recovery; W. Admiraal, G. van der Velde, H. Smit, W.G. Cazemier. Base-Rich Freshwater Systems: An ecosystems approach to base-rich freshwater wetlands, with special reference to fenlands: G. van Wirdum. Structure and function of fen lakes in relation to watertable management in the Netherlands; H. de Haan, L. van Liere, Sj.P. Klapwijk, B. van Donk. Wetlands of recent Dutch embankments; W. Joenje, B. Verhoeven. Nutrient-Poor Freshwater Systems: Nutrient-poor freshwater wetlands; L.W.G. Higler. The Bourtanger moor: endurance and vulnerability of a raised bog system; W.A. Casparie. Hydrological differences between bogs and bog-relicts and consequences for bog restoration; J.M. Schouwenaars. Ecology and management of moorland pools: balancing acidification and eutrophication; H. van Dam, R.F.M. Buskens. Stream valleys as wetlands; L.W.G. Higler, P.F.M. Verdonschot. Wet dune slacks: decline and new opportunities; H.W.J. van Dijk, A.P. Grootjans. Ecology, Conservation, Management, Research and Policy: The ecology of the Netherlands wetlands: characteristics, threats, prospects and perspectives for ecological research; E.P.H. Best, J.T.A. Verhoeven, W.J. Wolff. Wetlands policy of the Dutch government: failure or success? F. Colijn, R. Uyterlinde, H.W. Kroes.