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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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Algoa Bay Sentinel Site - South Africa |
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Alice Holt - United Kingdom |
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Allt na Coire nan Con - United Kingdom |
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Atlantic Forest and Lacustrine System of the middle Rio Doce - Brazil |
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Augustendorf intensive forest monitoring site - Germany |
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Aukstaitija Integrated Monitoring Station - Lithuania |
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Balaton LTSER - Hungary |