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.
Wainono Lagoon Wainono Lagoon Wainono Lagoon is a shallow lagoon in the southern Canterbury region of New Zealand's South Island. A number of rivers flow into the lagoon, including the Hook River from the north and the Waihao River from the south. Nearby settlements include Hook and Studholme, with the town of Waimate approximately eight kilometres west. Although it is within metres of the Pacific Ocean, the Wainono Lagoon is fresh water and separated from the sea by a gravel berm. Tests have revealed that the level of the lagoon does not fluctuate with the tide and its level of salinity is