16 U.S. Code § 3772 - Definitions
The term “Federal trust species” means migratory birds, threatened species, endangered species, interjurisdictional fish, marine mammals, and other species of concern.
The term “habitat enhancement” means the manipulation of the physical, chemical, or biological characteristics of a habitat to change a specific function or seral stage of the habitat.
The term “habitat improvement” means restoring, enhancing, or establishing physiographic, hydrological, or disturbance conditions necessary to establish or maintain native plant and animal communities, including periodic manipulations to maintain intended habitat conditions on completed project sites.
The term “habitat restoration” means the manipulation of the physical, chemical, or biological characteristics of a site with the goal of returning the majority of natural functions to the lost or degraded native habitat.
The term “private land” means any land that is not owned by the Federal Government or a State.
The term “project” means a project carried out under the Partners for Fish and Wildlife Program established by section 3773 of this title.