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Srebarna - Bulgaria |
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Black Sea - Bulgaria |
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LTSER Platform Hydrologic Observatory of Athens - Greece |
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Navarino Environmental Observatory - Greece |
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Pinios Hydrologic Observatory - Greece |
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LTSER Platform Samothraki Nature Observatory - Greece |
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Mesta River - Bulgaria |
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Petrohan-Ponor - Bulgaria |
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Sozopol - Black Sea - Bulgaria |
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LTSER Platform Koiliaris Critical Zone Observatory - Greece |
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Belasitsa - Bulgaria |
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Finokalia Atmospheric Observatory - Greece |
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Yundola - Bulgaria |
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Livingstone Island - Antarctica |
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Lesvos Biodiversity Observatory - Greece |
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