Figure 1
From: Population genetic variation characterization of the boreal tree Acer ginnala in Northern China
Sampled distribution sites of Acer ginnala populations in this study. The map was constructed using the ARCGIS 10.4 (https://desktop.arcgis.com/en/, ESRI). The Chinese administrative division data for mapping was downloaded from the National Geomatics Center of China (https://www.ngcc.cn/ngcc/, NGCC) with a scale of 1:400.
