Titlebook: Nature Management by Grazing and Cutting; On the ecological si Jan Pouwel Bakker Book 1989 Kluwer Academic Publishers 1989 ecosystem.ecosys

动作谜

IntroductionWestern Europe as well as many other parts of the temperate world, but the Netherlands seem de-pressingly to occupy the top position. This may be attributed to the dense population and the high level of technological development resulting in expanding towns, villages and industrial areas connected b

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The Drenthe Plateaueserve ‘Stroomdallandschap Drentsche A’ (53° 05′ N, 6° 40′ E in the centre of the long narrow area along a brook system: 3500 ha). It forms part of the so-called ‘esdorpen’ landscape (Bijhouwer, 1971; Renes, 1981) or ‘brinkdorpen’ landscape (Lambert, 1971) featuring a previously characteristic combi

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The Schiermonnikoog salt marshnature reserve ‘Oosterkwelder’ which is part of the salt marsh of Schiermonnikoog, one of the Dutch West Frisian Islands (53°30′N, 6°10′E). Its utilization history only goes back to the late middle ages and was deduced from historical geographical data, old archives and pollen analytical data.

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The heathland and reclaimed grassland vegetationwas originally heathland but had been ploughed to a depth of 40 cm and sown with grass in the 1950’s (Photo V.1 and 2). Until 1972 the heathland area had been abandoned for several decades, whereas the grassland had been subjected to the application of fertilizers, and had been used for hay producti

PAEAN

The valley grassland vegetationanagement practices carried out by farmers or by the State Forestry Commission will be dealt with. These practices often imply hay-making in July without fertilizer application. A comparison was made in lots where hay-making was started in different years and was carried out with different regimes.

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