Number of old surveys in Sardinia (Italy) grouped by (a) sampling periods and (b) size (m2), and habitat types as defined in the Annex I of Habitats Directive (92/43/EEC): 1210 – annual vegetation of drift lines, 2110 – embryonic shifting dunes, 2120 – shifting dunes along the shoreline with Ammophila arenaria, 2210 – Crucianellion maritimae fixed beach dunes, and 2230 – Malcolmietalia dune grasslands.

 
 
  Part of: Denaro A, Caria MC, Malavasi M, Rivieccio G, Melis R, Farris E, Maccioni A, Bruno A, Fadda M, Acosta ATR, Sarmati S, Sperandii MG, Bagella S (2025) Resurveying Mediterranean coastal dunes: insights from the ReSarDu database. Vegetation Ecology and Diversity 62: e174934. https://doi.org/10.3897/ved.174934