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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 colonized by aquatic macrophytes and in rel maximum depth is rarely 3 m, the mean water atively deep pools peat was formed. In the shal depth at mean water level is typically between 0. 5 lowest pools the humic material was desiccated, pulverized and removed by the wind in extremely and 1 m (Fig. 3). In the smallest pools the mean depth is only 1 dm at mean water level. The shore dry years.
List of contents
Netherlands-Wetlands.- Case Studies.- Coastal systems.- Nutrient cycling and foodwebs in Dutch estuaries.- The Dutch Wadden Sea: a changed ecosystem.- Salt marshes along the coast of The Netherlands.- Large river systems.- The rivers Rhine and Meuse in The Netherlands: present state and signs of ecological recovery.- Base-rich freshwater systems.- An ecosystems approach to base-rich freshwater wetlands, with special reference to fenlands.- The structure and function of fen lakes in relation to water table management in The Netherlands.- Wetlands of recent Dutch embankments.- Nutrient-poor freshwater systems.- Nutrient-poor freshwater wetlands.- The Bourtanger Moor: endurance and vulnerability of a raised bog system.- Hydrological differences between bogs and bog-relicts and consequences for bog restoration.- Ecology and management of moorland pools: balancing acidification and eutrophication.- Stream valleys as wetlands.- Wet dune slacks: decline and new opportunities.- Ecology, Conservation, Management, Research and Policy.- The ecology of The Netherlands wetlands: characteristics, threats, prospects and perspectives for ecological research.- Wetlands policy of the Dutch government: failure or success?.
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`Overall, I feel that this book makes a useful contribution to wetlands science, by bringing together, in one volume, a good set of comparative information covering the full range of Dutch wetland ecosystems. ... and I recommend it to anyone working on wetland ecology.'
Journal of Natural History, 1995, 29
