Tidebiotope Werderland Nature Reserve

Shortly above the confluence of the Lesum in the Weser on a 3.6 ha in 2014, a temporarily flowing tributary with two overflows to the Weser emerged as a compensatory measure for the increase of the Landesschutzdeich in Bremen. Estuary-typical, tide-influenced foreland habitats are not found on the Weser to a sufficient extent, the main river of the Weser is due to the extensions
to the shipping lane characterized by pronounced bank development, high flow velocities and an unnaturally high tidal range. The resulting shallow waters serve as rest, food, spawning and
Wintering habitat, z.T. They are accompanied by tide-influenced reeds and floodplain forests, which serve as breeding and resting areas for waterfowl and waders in addition to the open water areas. There are also favorable habitat conditions for invertebrates and fish.
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An impressive picture is offered to the viewer here

Good information board about the Werderland tidal biotope.