By J. T. A. Verhoeven (auth.), Jos T. A. Verhoeven (eds.)
This quantity specializes in the geology, land use historical past, palaeoecology, ecology and conservation of peatlands (fens and lavatories) within the Netherlands. the quantity presents specified money owed that, jointly, supply a consultant photograph of the experiences which were conducted within the Dutch mires during the last 25 years.
Contents: bankruptcy 1: Verhoeven -- advent. bankruptcy 2: Pons -- is a entire geographic and pedological account of peat formation in area and time within the western coastal simple. bankruptcy three: Casparia and Streefkerk -- is a close description of a few of the phases of improvement from fen to bathroom of the Bourtanger Moor. bankruptcy four: Borger and Stol -- info the heritage of peat draining, digging and dredging within the Netherlands and Flanders. bankruptcy five: Barkman -- bargains with bathroom remnants within the japanese Netherlands and northwestern Germany. This bankruptcy additionally contains information on oligotrophic heath swimming pools that have a plants that's just like that present in bathrooms. Chapters 6: Den Held; 7: Van Wirdum et al.; eight: Koerselman and Verhoeven -- are chapters on crops, synecology and nutrient dynamics of fens and bankruptcy nine: Wiegers -- focuses almost always on terrestrializing fens which are so attribute of the western Netherlands the place they almost immediately take place in turf ponds created by means of peat dredging in former centuries. bankruptcy 10: Vermeer and Joosten -- concludes the quantity with a remedy of issues of mire conservation and administration.
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Additional info for Fens and Bogs in the Netherlands: Vegetation, History, Nutrient Dynamics and Conservation
22); C. 1; Fig. 22); D. 2; Figs 20, 26 and 27). In Zeeland, the so called 'islands of Old Land' are early-embanked, non-eroded remnants of peatlands, in which moss peat is covered by a thin, fine-textured layer (Poel Clay) (Fig. 13). In the centres, marine-incursion creeks are lacking or only minor creeks have developed. Obviously, during the early sea incursions, peat domes occurred on the place of these islands, too high to be flooded by the sea. The present islands of Walcheren and Schouwen-Duiveland are good examples.
Gradually, desalinization and decreasing amounts of available nutrients resulted in Carex- Phragmites fens, which changed via mesotrophic CarexHypnaceae fens into mesotrophic Betula-Alnus carrs with sometimes some Pinus. A rather sharp transition of carr peat into moss peat indicates the beginning of bogs, producing highly humified moss-heather peat. This Old Moss Peat includes well humified Sphagnum-Calluna-Erica as well as transitions to Sphagnum-Erica peat, indicating the presence of raised bogs.
Sedge peat and reed-sedge peat (Parvocaricetea , Phragmites); 2. Sphagnum peat; 3. Sedimentary peat; 4. Open water; 5. Peat brook and river courses (partly filled); 6. Boundary of the higher lying soils. 44 eastern Friesland and western Overijssel respectively. They found individual, oligotrophic-bog peats of about 2,500 and 10,000 ha, bordered by narrow bands of fen peats along peat brooks and small rivers, draining parts of the DrenthianFrisian coversand-on-till plateau (Haans 1953). Fig. 20 shows the distribution of the various botanical peat types in the Land van Vollenhoven.