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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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Alice Holt - United Kingdom |
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Allt na Coire nan Con - United Kingdom |
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Alptal-Nitrogen-addition - Switzerland |
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Anthropic impacts on the tropical forest of central Amazon - Brazil |
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Appennino centrale: Gran Sasso d'Italia - Italy |
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Appennino centrale: Velino-Duchessa - Italy |
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Appennino centro-meridionale: Majella-Matese - Italy |