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Bucegi-Piatra Craiului National Park - Romania |
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Cairngorms (ECN site) - United Kingdom |
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Cairngorms National Park LTSER - United Kingdom |
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California Current Ecosystem - United States of America |
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Cathedral Peak research catchments - South Africa |
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Cedar Creek Ecosystem Science Reserve - United States of America |
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Cime Bianche (IT19 Aosta Valley) - Italy |
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Climate-Ecological Observatory for Arctic Tundra - Norway |
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Clocaenog: Long-term monitoring site for climate change research - United Kingdom |
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Coastal Observatory Spiekeroog - Germany |