Vistula Lagoon million. However, major ecological considerations stand in the way. For example, mammal migration along the lagoon could be disrupted. Also, the inflow of brackish waters from the Baltic sea could result in serious unbalancing of the lagoon's freshwater ecosystem. From 1772 until 1918, the lagoon was part of the Kingdom of Prussia, which had become part of the German Empire in 1871. Between 1920 and 1946 it was split between Germany and the Free City of Danzig. At present state since 1945 its eastern part belongs to Russia (formerly USSR), Poland has 43.8% of its area at lagoon's western side.
Venetian Lagoon Venetian Lagoon The Venetian Lagoon (; ) is an enclosed bay of the Adriatic Sea, in northern Italy, in which the city of Venice is situated. Its name in the Italian and Venetian languages, '—cognate of Latin ', "lake"—has provided the international name for an enclosed, shallow embayment of salt water, a lagoon. The Venetian Lagoon stretches from the River Sile in the north to the Brenta in the south, with a surface area of around . It is around 8% land, including Venice itself and many smaller islands. About 11% is permanently covered by open water, or canal, as