Nederlandse kustduinen : geobotanie

摘要: The Dutch coastal dunes carry a rich and varied flora. This richness is dependent on the local mosaic of habitats. Dune slacks are major type habitat most threatened in dune belt. influence groundwater slack vegetation illustrated. dunes, especially slacks, has been described by lists species maps earlier publications. An explanation methods used such surveys, including floristic surveys mapping vegetation, given. Comparison with historic records showed that deteriorated severely between 1850 1978. A fall watertable was main cause deterioration near Bergen (NorthHolland). Studies there elsewhere along belt even small could considerable changes as number phreatophytes.