Sampling locations of <i>P. clarkii</i> and their populations cluster analysis.

<p>Red solid dots on the maps indicated the sampling locations. The blue line in China maps denoted the Changjiang River. XY includes XYw and XYc population. NJ includes XG, BGt and XBv population. WX includes WX and WXb populations. What the sampling location codes in the figure indicated sees <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040652#pone.0040652.s004" target="_blank">Table S1</a>.