Fig. 1From: Evaluating soil nutrients of Dacrydium pectinatum in China using machine learning techniquesLocation of the study area comprising of the Hainan Bawangling National Nature Reserve, the Jianfengling National Forest Park, and the Diaoluoshan National Forest Park in China and the spatial distribution of the sample plots. The natural population of Dacrydium pectinatum is distributed sparsely and along the ridge line with no regularityBack to article page