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Abrolhos Bank - Brazil |
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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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Alchichica Mex-LTER - Mexico |
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Algoa Bay Sentinel Site - South Africa |
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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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Arctic Tundra LTER - United States of America |