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) would remain undisturbed, as would the population, if they kept quiet. Otherwise, 10,000 Prussian troops would occupy the city. Wolffson and Halben reported this to Syndicus Carl Merck, who directed Hamburg's foreign affairs, who now sent Krüger, then in Hamburg, to Richthofen to obtain certainty about the Prussian threats. Merck addressed the Senate on 25 June saying he regarded the policy of Lübeck, which was positive to the Prussian alliance and the threats of Richthofen as particularly serious considerations. He was afraid that, after the accession of all other north German states to the alliance, Hamburg would stand isolated and