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Nationalpark Neusiedler See - Seewinkel - Austria |
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NINA Aquatic Research Station, Ims - Norway |
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Oberes Stubachtal - Austria |
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Ohrid and Prespa - Macedonia - Standing water (Lakes) |
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Ovre Heimdalsvatn - Norway |
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OZCAR-RI AMMA-CATCH Gourma Mesosite - Mali |
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OZCAR-RI AMMA-CATCH Niamey Square Degree Mesosite - Niger |
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OZCAR-RI H+ PLOEMEUR - GUIDEL CZO - France |
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OZCAR-RI OMERE Kamech catchment - France |
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Research Department for Limnology Mondsee - Austria |