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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Agric Ecosyst Environ. 2012 Mar 1;149:144–153. doi: 10.1016/j.agee.2011.12.019

Figure 1.

Figure 1

Population density for: (a) broiler chickens, (b) egg type ducks, (c) native chickens, and (d) egg type free-grazing ducks per sub-district. Scale = Log10[(birds/km2) + 1])