; and (ii) comprised of land that is similar in topography, climate, and plant and animal species on the land; or (B) contiguous with the habitat of a wildlife indicator species listed as threatened or endangered under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.), including the grizzly bear, lynx, or caribou, as depicted on habitat maps of Federal agencies. (4) Habitat The term habitat means the physical, chemical, and biological properties that are used by fish, wildlife, or plants for growth, reproduction, survival, food, water, and cover on a tract of land, in a body of water, or in an area or region. (5) Indian tribe The term Indian tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 450b ). (6) Northern rockies bioregion The term Northern Rockies Bioregion means the portion of the Northern Rocky Mountains in the States of Montana, Idaho, Wyoming, Oregon, and Washington, as depicted on maps referred to in this Act. (7) Public land The term public land has the meaning given the term public lands in section 103 of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1702 ). (8) Secretary concerned The term Secretary concerned means— (A) the Secretary of Agriculture, with respect to National Forest System land