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Danube Delta bird census |
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Danube Delta nutrients |
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Danube Delta river water level |
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Danube Delta suspended solids |
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Density of Undaria pinnatifida in the Mar Piccolo of Taranto: 2000-2002; 2006-2007 |
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deposition data |
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Grazing |
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Grazing |
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Insect data Randu Meadows 1996-2012 |
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Kalkalpen National Park (Austria) - Bark Beetle |