Showing 1,721 - 1,740 results of 6,501 for search '"Ecosystem"', query time: 0.09s Refine Results
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  17. 1737
    Published in 2009
    Repositorio Universidad Nacional de Colombia

    ... for each ecosystem in the different periods evaluated. This tool, called Diatoms Biotic Index to assess...
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  18. 1738
    Article of journal
    Published in 2003
    Repositorio Universidad Nacional de Colombia

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  19. 1739
    Article of journal
    Repositorio Universidad Nacional de Colombia

    ... are distributed in Páramo, a threatened ecosystem despite of its value as a water reservoir and supplier for urban...
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