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Harvard Forest - United States of America |
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Herdade da Coitadinha - Portugal |
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Herdade da Ribeira Abaixo - Portugal |
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Hydrological Open Air Laboratory HOAL Petzenkirchen - Austria |
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Isola di Pianosa - Italy |
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Karkonoski National Park - Poland |
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Katowice - Poland |
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Kawatabi special research area of the Japanese IBP - Japan |
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Kellogg Biological Station - United States of America |
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Kolstad - Norway |