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. 2015 Mar 19;10(3):e0118349. doi: 10.1371/journal.pone.0118349

Fig 2. Duck densities and energy remaining during winter.

Fig 2

Density of total and feeding dabbling ducks (Anatini; ducks/ha/site) and estimated duck energy days (DED/ha ± standard error) in 0.5-ha plots supplemented in mid-December with different densities of Japanese millet (Echinochloa frumentacea) and averaged together across plots and wetlands, in 4 experimental wetlands sampled during mid-December 2008–late February 2009 in eastern Mississippi, western Tennessee, and the Mississippi Alluvial Valley, USA.