लेखक: Karl Donabaum

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1 द्वारा ईबुक Karl Donabaum

Martin T. Dokulil & Karl Donabaum: The Alte Donau: Successful Restoration and Sustainable Management
Here we report on a 25-year long-term sequence of measures to return a deteriorated recreational urban lake, Alte Donau in Vienna to acceptable water quality. Metropolitan waters require focused ecos …
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