; (B) the District of Columbia; (C) the Commonwealth of Puerto Rico; (D) Guam; (E) American Samoa; (F) the Commonwealth of the Northern Mariana Islands; and (G) the United States Virgin Islands. (4) Invasive species (A) In general The term invasive species means an alien species, the introduction of which causes, or is likely to cause, economic or environmental harm or harm to human health. (B) Associated definition For purposes of subparagraph (A), the term alien species , with respect to a particular ecosystem, means any species (including the seeds, eggs, spores, or other biological material of the species that are capable of propagating the species) that is not native to the affected ecosystem. (5) Manage; 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, 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