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Fig. 2 | Avian Research

Fig. 2

From: Are diurnal time-budgets and activity patterns density-dependent in the Shelduck (Tadorna tadorna) wintering in Algeria? An analysis across multiple temporal scales

Fig. 2

Numbers of the Shelduck censused in Sabkha Djendli (northeastern Algeria) between 2010 and 2012. Solid gray represents numbers of the Shelduck, background light blue shows period when the waterbody of the Sabkha had water, and the white pattern represents a waterless site. Dotted line is a polynomial regression fitted to data

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Avian Research

ISSN: 2053-7166