Cabras lagoon is a shallow water body (mean depth 1.7 m) located on the west coast of Sardinia, western Mediterranean sea (39° 57’ N, 08° 29’ E; Fig. 1), and is one of the largest brackish water basins in the Mediterranean region with a surface of 22 km2. Its watershed drains an area of 459 km2, characterised by intense agricoltural and zootechnical uses, with a natural plant coverage nearly 20% of the area. Cabras Lagoon System Information Document