secondary natural Pinus tabulaeformis forest
natural Pinus tabulaeformis forest
secondary Pinus tabulaeformis forest
karst secondary natural forest
natural secondary forest
oak natural secondary forest
secondary natural forest
natural secondary Pinus tablaeformis forest
aerial Pinus tabulaeformis forest
artificial Pinus tabulaeformis forest
Pinus tabulaeformis forest
area of Natural Forest Protection Program
degraded natural forest
diameter structure of natural forest
forest natural protected area
implemented area of ‘National Natural Forest Protection’
Karst forest natural reserve