Dümmer, Hohe Sieben und Ochsenmoor, nature reserve in Lower Saxony, Germany
Dümmer, Hohe Sieben und Ochsenmoor is a large protected area featuring shallow lakes, wetlands, and marshy grasslands in northern Germany. The site includes open water, reed beds, pastures, and moor areas that support diverse bird species and aquatic wildlife.
The area formed through natural processes and was later shaped by human management to serve as a resting and breeding ground for birds. Since 2019, the site has been officially protected to preserve its diverse plant and animal life for future generations.
The Ochsenmoor is farmed as extensive wet grassland, and the nature reserve merged the earlier Dümmer, Ochsenmoor and Hohe Sieben protected areas on 16 August 2019. A nature experience trail northeast of the Ochsenmoor passes an observation tower and a nature conservation station run by the Lower Saxony water management, coastal protection and nature conservation agency.
The reserve is reached via the dike around the Dümmer and several footbridges leading into the lake. Observation towers stand on the north, east, south and west shores and at the northeast edge of the Ochsenmoor, where a nature experience trail passes a tower and a conservation station. The boat harbour at Dümmerlohhausen lies outside the protected area.
Ospreys and otters are native residents of the reserve, not rare visitors. A plant worth seeking is creeping celery, which grows in the Ochsenmoor; it is otherwise scarce in this region. The Ochsenmoor also forms one of the largest connected wet grassland areas in northwest Germany together with the western Dümmer lowland.
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