; management The terms manage and management , with respect to an invasive species, mean the active implementation of any activity— (A) to reduce or stop the spread of the invasive species; and (B) to inhibit further infestations of the invasive species, the spread of the invasive species, or harm caused by the invasive species, including investigations regarding methods for early detection and rapid response, prevention, control, or management of the invasive species. (6) Prevent The term prevent , with respect to an invasive species, means— (A) to hinder the introduction of the invasive species onto land or water; or (B) to impede the spread of the invasive species within land or water by inspecting, intercepting, or confiscating invasive species threats prior to the establishment of the invasive species onto land or water of an eligible State. (7) Secretary concerned The term Secretary concerned means— (A) the Secretary of the Army, acting through the Chief of Engineers, with respect to Federal land administered by the Corps of Engineers; (B) the Secretary of the Interior, with respect to Federal land administered by the Secretary of the Interior through— (i) the United States Fish and Wildlife Service; (ii) the Bureau of Indian Affairs; (iii) the Bureau of Land Management; (iv) the Bureau of Reclamation; or (v) the National Park Service; (C) the Secretary of Agriculture, with respect to Federal land administered by the Secretary of Agriculture through the Forest Service; and (D) the head or a representative of any other Federal agency the duties of whom require planning relating to, and the treatment of, invasive species for the purpose of protecting water and wildlife on land and in water. (8) Species The term species means a group of organisms, all of which— (A) have a high degree of genetic similarity; (B) are morphologically distinct; (C) generally— (i) interbreed at maturity only among themselves; and (ii) produce fertile offspring