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Abrolhos Bank - Brazil |
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Aiguestortes / Lleida (ES-SNE) - Spain |
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Akesu Water Balance Research Station - China |
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Akkeshi-ko estuary and Akkeshi Bay - Japan |
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Alice Holt - United Kingdom |
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Altitudinal transect - Czechia |
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Antarctica, Livingstone Island - Bulgaria |
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Archipelago Research Institute - Finland |
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Arctic-alpine tundra - Czechia |
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Ashiu Forest Research Station - Japan |