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.
Anzali Lagoon Anzali Lagoon Anzali Lagoon () (also Anzali Mordab, Anzali Bay, Pahlavi Mordab, Pahlavi Bay or Anzali Liman) is a coastal liman, or lagoon, in the Caspian Sea near Bandar-e Anzali, in the northern Iranian province of Gilan. The lagoon divides Bandar-e Anzali into two parts, and is home to both the Selke Wildlife Refuge and the Siahkesheem Marsh. Although the lagoon suffers from pollution, it is known as a good place for bird watching. The lagoon's water ranges from fresh near the tributary streams to brackish near the mouth into the harbor and the sea. Studies indicate that in the