in section 2 of the Pittman-Robertson Wildlife Restoration Act ( 16 U.S.C. 669a ). (3) Indian tribe The term Indian Tribe has the meaning given such term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (4) Restoration The term restoration means the implementation of conservation actions and practices that reestablish or enhance environmental conditions and ecosystem functions that benefit the diversity, resilience, health, and productivity of plants and animals. (5) Rewilding The term rewilding means a restoration approach that prohibits human management activities and relies only on natural processes to maintain or improve habitat. (6) Secretary The term Secretary means the Secretary of the Interior. (7) Tribal species of greatest conservation need The term Tribal species of greatest conservation need means, with respect to an Indian Tribe, any terrestrial, aquatic, or marine fauna or flora that such Indian Tribe determines is— (A) of low or declining population, (B) facing threats and in need of conservation attention