LY/T 1690-2007

This standard specifies the principles, type classification, evaluation indicators, transformation techniques and methods, design and construction, inspection and acceptance, file management, and monitoring of the transformation of inefficient forests in existing forest resources, as well as the related requirements. This standard applies to production and technical activities for the transformation of inefficient forests across the country. The inefficient forests referred to in this standard include protective forests, timber forests, economic forests, and fuelwood forests in terms of forest types; artificial forests and secondary forests in terms of origin; and tree forests and shrub forests in terms of forest stand types. The transformation of inefficient forests is not suitable for primary forests and special shrub forests.