Sustained yield of the several products and services

(b) “Sustained yield of the several products and services” means the achievement and maintenance in perpetuity of a high-level annual or regular periodic output of the various renewable resources of the national forests without impairment of the productivity of the land.

Source

16 USC § 531(b)


Scoping language

None identified, default scope is assumed to be the parent (subchapter I) of this section.
Is this correct? or