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. 2019 Jan 16;12:39. doi: 10.1186/s13071-018-3283-9

Fig. 4.

Fig. 4

Rarefaction curves showing the influence of sample size on Culicoides species richness for each sampling site: Site 1 in red, Site 2 in green, Site 3 in blue and Site 4 in purple. Solid lines indicate the observed sample size and species richness whereas dashed lines represent the predicted sample size and species richness