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Abrolhos Bank - Brazil |
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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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Allt a'Mharcaidh - United Kingdom |
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Allt na Coire nan Con - United Kingdom |
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Archipelago Research Institute (Seili LTER) - Finland |
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Asa Research Station - Sweden |
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Asko Laboratory, Himmerfjarden, Stockholm University Baltic Sea Centre (LTER) - Sweden |
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Atlantic Forest and Lacustrine System of the middle Rio Doce - Brazil |