Endemic plants inhabiting coastal sand dunes show augmented extinction risks due to the dynamic nature of dunes and strong human pressure on coastal areas. To investigate the survival strategies and threats to long-term survival of such species, we combined genetic, morphological and biogeographical approaches, using the example of Hieracium eriophorum (Asteraceae) and its putative cryptic sist...

Many applications from science and engineering are based on parametrized evolution equations and depend on time-consuming parameter studies or need to ensure critical constraints on the simulation time. For both settings, model order reduction by the reduced basis approach is a suitable means to reduce computational time. The method is based on a projection of an underlying high dimensional num...

Modern coastal dune management is viewed largely through the prism of ecology. Achieving maximum biodiversity and preserving priority species are primary objectives based on interventions (grazing, mowing, burning, reseeding, artificial destabilisation) to achieve that purpose. Under non-managed conditions, vegetation tends evolve temporally following well-established succession patterns lead a...

Long-term human trampling on coastal dune vegetation was analysed using eight 100 × 100m study areas ranging in trampling intensity JJ'om little or no past trampling pressure to severe trampling pressure. All trampling levels significantly reduced species diversity. Total vegetation cover was significantly reduced only in areas with severe and heavy trampling pressure. Where long-term moderate ...