; or (ii) improve the well-being of a species that is— (I) not listed as endangered or threatened under that section; and (II) (aa) a candidate for that listing, a State-listed species, or a special concern species; or (bb) designated as a species of greatest conservation need by a State wildlife action plan. (4) Forest land easement The term forest land easement means an easement or other interest in eligible land that— (A) is conveyed to an eligible entity for the purpose of protecting natural resources and the forest nature of the eligible land; and (B) permits the landowner the right to continue working forest production and related uses, consistent with an applicable forest management plan. (5) Forest management plan The term forest management plan means— (A) a forest stewardship plan described in section 5(f) of the Cooperative Forestry Assistance Act of 1978 ( 16 U.S.C. 2103a(f) ); (B) another plan approved by the applicable State forester or State forestry agency; (C) a plan developed under a third-party certification system determined appropriate by the Secretary; or (D) another plan determined appropriate by the Secretary. (6) Forest reserve easement The term forest reserve easement means an easement or other interest in eligible land that— (A) is conveyed to the Secretary for the purpose of protecting natural resources and the forest nature of the eligible land