Mol·luscs terrestres i d'aigua dol a de la serra de Collserola (Barcelona, NE península Ibèrica)

Land and freshwater molluscs of the Collserola mountains (Barcelona, NE Iberian peninsula) A malacological survey was made along all the 91 1x1 km UTM grid squares that cover the area of the Collserola Park, Barcelona (north eastern Iberian peninsula). From 108 sampled localities, 1,261 records of molluscs were obtained. A total of 73 species were identified, of which seven were freshwater species, 11 were slugs, and 55 were land molluscs. The first discussions on the results and a draft of the initial conclusions are shown. Information on dominant gastropods' habitat preference in the ecosystems of Collserola is also provided.