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Post-mining lakes - Czechia |
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Ravels Forest - Belgium |
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Renon BOL1 - Italy |
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Research monitoring station "Petrodolinskoye" - Ukraine |
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Retezat Biosphere Reserve - Romania |
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Réunion National Park - France |
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Rhine-Main-Observatory - Germany |
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River Bure - United Kingdom |
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River Bush - United Kingdom |
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River Coln - United Kingdom |