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.
Rodeo Lagoon the lagoon's size as the area upstream of the crossing gradually turned into a freshwater marsh. The lagoon is now about 80% of its original size. Recreation is not allowed on or in Rodeo Lagoon because of water quality and wildlife concerns. However, the lagoon and surrounding area is an excellent place for wildlife viewing, particularly birding and watching the playful river otters. Rodeo Lagoon Rodeo Lagoon is a coastal lagoon located in the Marin Headlands division of the Golden Gate National Recreation Area, which is in southern Marin County, California. This brackish water body is separated from the Pacific