Eider Canal conservation areas. Eider Canal The Eider Canal (also called the Schleswig-Holstein Canal) was an artificial waterway in southern Denmark (later northern Germany) which connected the North Sea with the Baltic Sea by way of the rivers Eider and Levensau. Constructed between 1777 and 1784, the Eider Canal was built to create a path for ships entering and exiting the Baltic that was shorter and less storm-prone than navigating around the Jutland peninsula. In the 1880s the canal was replaced by the enlarged Kiel Canal, which includes some of the Eider Canal's watercourse. The canal's watercourse followed the border between the
Ports of the Baltic Sea of total cargo volumes in the Baltic Sea in 2008. This table lists statistics (2002) (Świnoujście, Szczecin and Helsinki - 2004, Lübeck and Rostock - 2005, Gdynia, Klaipėda, Gdańsk, Riga, Liepāja - 2010) for the major ports of the Baltic Sea. Container traffic is given in terms of Twenty-foot equivalent units of cargo. Ports of the Baltic Sea There are over 200 ports in the Baltic Sea. When only those ports that handle a minimum of 50,000 tonnes of cargo annually, and where at least part of this cargo is international are taken into account, the number of ports reaches