8 research outputs found

    Recent Changes in the Hydrobiology of the Aral Sea.

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    Since 1992 attempts have been made to isolate and conserve the northern part of the Aral Sea of means of a dam. Changes in the main aquatic communities between 1985 and 1994 based on field work, laboratory investigations and literature surveys are described and the future prospects for the region are discussed

    Gummisubstanzen, Hemicellulosen, Pflanzenschleime, Pektinstoffe, Huminsubstanzen

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    Vitamin deficiencies of the filamentous fungi

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