RÉSERVE NATURELLE DE LA TOURBIÈRE ALCALINE

The National Nature Reserve of the alkaline peat bog of Marchiennes is an emblematic site of wetlands and is the eleventh National Nature Reserve created in the Hauts-de-France. The importance of this site has allowed its rapid classification, this being as much due to its specific character as to the presence of many species: the field frog, the bittern, the isosceles æschne, the great fluke, the marsh ragwort, the marsh fern, Des Moulin's vertigo...