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.
Chiriquí Lagoon Chiriquí Lagoon Chiriquí Lagoon is a large lagoon on the northwest coast of Panama covering an area of about . It is separated from the Caribbean Sea by the Valiente Peninsula to the east and from Almirante Bay by islands in the Bocas del Toro Archipelago to the northwest, including Cayo Agua and Isla Popa. The widest and deepest entrance into the bay is the Canal del Tigre in the northeast, which is the main access channel for ships entering the lagoon. The temperature of the water in the lagoon ranges from 26 to 28 °C. Salinity can be as