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Achenkirch-Mühleggerköpfl (ACH-Mue) - Austria |
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Acquatina - Italy |
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Afon Gwy - United Kingdom |
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Afon Hafren - United Kingdom |
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Akkeshi-ko estuary and Akkeshi Bay - Japan |
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Alice Holt - United Kingdom |
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Alimini - Italy |
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Allt na Coire nan Con - United Kingdom |
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Alptal-Nitrogen-addition - Switzerland |
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Aneboda, IM-site SE14 - Sweden |