This article highlights some of this action plans, viz. Other action plans concerned Muscardinus avellanarius, Martes martes, Vertigo moulinsiana, Carex flava, Carex lepidocarpa and Thymus praecox. The programme has been continued in 1998, and as of 1999 the area covered by the programme will be extented to the central and nothern parts of the province. The species was found to have shown tremendous expansion in the province. The distribution of Buck's-horn plantain depends not only on the presence of salt, but also on a light sand drift, compaction by treading and intensive mowing.
Asphalt roads constitute major barriers to plants and animals.
Our survey shows that some plants actually benefit from the black ribbons crossing our landschape. It is debatable whether the presence of these species augurs well for the environment. After all, Danish scurvy grass, Buck's-horn plantain and other adventitious plants depending on the use of salt for gritting purposes indicate that soil and surface water are being polluted by salt. This is probably the first report of albinism in an adult newt in the Netherlands. The article reviews previous observations of albinotic amphibians in the Netherlands.