Distribution of stream macroalgae in four high Arctic drainage basins.

Arctic | December 1, 1997| | Copyright

(Received 20 May 1997; accepted in revised form 18 August 1997)

ABSTRACT. Eighty-three stream reaches were sampled from four drainage basins in the central portions of Axel Heiberg and Ellesmere Islands. The streams included small snowmelt tributaries, those flowing through wetlands, pond outflows, glacial meltwaters, and large trunk rivers, some of which had become braided in their lower portions. Larger channels tended to be quite turbid, and macroscopic algae were negligible in these reaches because they lack adequate light and hard substrata for attachment. The ...

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