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Cerknica Lake - Slovenia |
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Coneyglen Burn - United Kingdom |
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Conwy catchment - United Kingdom |
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Cringle Brook - United Kingdom |
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Curonian lagoon biosphere polygon - Lithuania |
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Curonian Spit National Park - Lithuania |
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Danube Delta Biosphere Reserve - Romania |
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Dargall Lane - United Kingdom |
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Décharge de la Prairie de Mauves - France |
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Dijleland - Belgium |