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

<div>Linear trend of the Ferruginous duck’s wintering population (TRIM analysis).</div>

International Journal of Zoology

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Figure 2

Figure 2: Status and Trends of the Ferruginous Duck’s (<i>Aythya nyroca</i>) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017) 

Figure 2 | Status and Trends of the Ferruginous Duck’s (Aythya nyroca) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017) 