For purposes of this chapter—

(1) the term "land management agency" means—

(A) the Forest Service of the Department of Agriculture;

(B) the Bureau of Land Management of the Department of the Interior;

(C) the National Park Service of the Department of the Interior;

(D) the Fish and Wildlife Service of the Department of the Interior;

(E) the Bureau of Indian Affairs of the Department of the Interior; and

(F) the Bureau of Reclamation of the Department of the Interior; and

(2) the term "time-limited appointment" includes a temporary appointment and a term appointment, as defined by the Office of Personnel Management.