A lot. According to the query of China Xiaokang. The trees in yinan county mountainous area are mainly pine, Platycladus orientalis and walnut, and the forest coverage rate is 45.6%. Yinan county, which belongs to Linyi City, Shandong Province, is located in the middle of Shandong Province, adjacent to Juxian County in the east, Mengyin in the west, the urban area in the south and Yishui in the north.