Background
The island of Hoeksche Waard in the south-west of the Netherlands contains three pSCIs: Haringvliet, Hollandsch Diep and Oude Maas. All three are important areas for root vole (Microtus oeconomus subsp. arenicola). This subspecies is endemic to the low-lying parts of the Netherlands. It is estimated to be a relic of the Ice Age and is found in ...