Figure 1

Sampling locations of the populations of Cunninghamia lanceolate.

ES stands for Enshi, XN stands for Xiuning, LC stands for Lechang, RS stands for Rongshui, and XY stands for Xinyin. Figure 1 was drawn by Xiaorong Jia, and the maps here was generated by Arc GIS 9.0 (www.esri.com/software/arcgis).