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Bälgsjön - Sweden |
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Black Sea - Bulgaria |
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Cairngorms National Park LTSER - United Kingdom |
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Conwy - United Kingdom |
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Esthwaite Water - United Kingdom |
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Golfo di Trieste - Italy |
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Lago di Orta - Italy |
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Lago Maggiore - Italy |
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Lake Beyşehir - Turkey |
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Lammi LTER - Finland |