Waddensea of Hamburg Waddensea of Hamburg The Waddensea of Hamburg between Elbe and Weser is a German Biosphere reserve. It was added in 1992 by the UNESCO in their ""man and biosphere"" (MAB). This site is a part of the Wadden Sea on the North Sea coast, about 40 km north of the city of Bremerhaven in the Land of Hamburg. Situated close to the mouth of the Elbe River, it represents an estuary system which is the habitat for the seal Phoca vitulina and a large diversity of birds and fish. The nutrient-rich waters of the Elbe support a high biomass production
Accession of Hamburg to the German Customs Union (Zollverein) to the wishes of all concerned. The Hamburg Senate, like others, had to give up essential parts of its state independence, but this was necessary to achieve an agreement. The Burgerschaft ratified the constitution on 15 May 15, 1867 and it came into force on 1 July 1, 1867, founding the North German Federation. Although Hamburg joined the North German Federation, it remained outside the Customs Union. The federation's constitution included special arrangements for Hamburg and the other Hanseatic cities: Article 34: The Hanseatic cities of Lübeck, Bremen and Hamburg with appropriate districts for this purpose or their surrounding area,