International Journal of Zoology / 2018 / Article / Fig 1

Research Article

Status and Trends of the Ferruginous Duck’s (Aythya nyroca) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017)

Figure 1

Evolution of the total winter counts and the number of wetlands where the Ferruginous duck has been observed in Morocco during the period 1983-2017.

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