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Polana Biosphere Reserve (Hukavsky grun) - Slovakia |
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Porton Down - United Kingdom |
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Postojna-Planina Cave System - Slovenia |
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Ramat Hanadiv LTSER Platform - Israel |
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Ramon (RMN) - Israel |
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Randu meadows - Latvia |
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Ravels Forest - Belgium |
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Renon BOL1 - Italy |
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Research Department for Limnology Mondsee - Austria |
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Reservoir of Riga Hydropower Station on the River Daugava - Latvia |