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Water level fluctuations of Lake Afourgagh (Middle-Atlas Mountains, Morocco) over the last 2500years (Late Holocene) have been reconstructed using charophyte remains in the lake sediment archives. The study involved 22 pits (1–3m deep) dug along a transect across the lake shore terrace. Biogenic activity appears to be a dominant contributor to the accumulation of the lake sediments, as the thickest...
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