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Harbour seal resting on sand looking into the camera.

Aerial surveys of Harbour seals in the entire Wadden Sea in 2007

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Cut-out of publication cover with title and satellite image of the Danish and Schleswig-Holstein Wadden Sea.

Trilateral Wadden Sea Cooperation - External Evaluation Report 2007

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CWSS logo.

Spread of the Pacific Oyster Crassostrea gigas in the Wadden Sea

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Harbour seal resting on sand looking into the camera.

Aerial Surveys of Harbour and Grey Seals in the Wadden Sea in 2006

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Cut-out of publication cover with text of title and picture of Westerhever lighthouse.

Wadden Sea Ecosystem 23: Seriously Declining Trends in Migratory Waterbirds

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Cut-out of publication cover with text of title and picture of salt marsh and dunes.

Wadden Sea Ecosystem 22: Breeding Birds in the Wadden Sea in 2001

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Harbour seal resting on sand looking into the camera.

Counting Harbour Seals in the Wadden Sea in 2004 and 2005

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Cut-out of publication cover with text of title and areal picture of sandy beach and dunes.

Wadden Sea Ecosystem 21: Coastal Protection and Sea Level Rise

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Flock of ducks on ground and in sky between dike and shoreline.

Wadden Sea Ecosystem 20: Migratory Waterbirds in the Wadden Sea 1980 - 2000

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Cut-out of publication cover with text of title and picture of 2 gulls standing on green vegetation.

Wadden Sea Ecosystem 18: Seabirds at Risk?

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