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Pu'u Maka'ala Natural Area Reserve NEON - United States of America |
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Ravels Forest - Belgium |
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Reactive phosphorus Lake Bidighinzu |
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Reactive silica Lake Bidighinzu |
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REES - Rhine Eco-Evolutionary System - Germany |
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Rhine-Main-Observatory - Germany |
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Rimov reservoir - Czechia |
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Rio Cupeyes NEON - United States of America |
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Rio Guilarte NEON - United States of America |
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Rocky Mountains NEON - United States of America |