A large, brackish lagoon complex on the west coast of the northern Adriatic, between the larger Venice lagoon and the lagoon of Grado and Marano. The lagoon is used for fish-farming and for hunting. The surroundings are mainly large, cultivated fields on claimed land. Main land-uses are fishing (especially fish-farming), hunting and agriculture.
An important site for breeding herons and wintering waterbirds. The average number of wintering waterbirds during 1993-1996 was 18,800. Wintering species of global conservation concern that do not meet IBA criteria: Aythya nyroca (max. 50, but that was in 1975), Aquila clanga (1).
Pressure/threats to key biodiversity
Important threats are agricultural intensification, hunting and consequent disturbance to birds, and projects for urban, industrial and touristic development, such as the proposal for the construction of a marina close to the mouth of Tagliamento river.
National None International None
BirdLife International (2021) Important Bird Areas factsheet: Caorle lagoon. Downloaded from
http://www.birdlife.org on 24/01/2021.