; (C) through which surface and subsurface hydrology connect bodies of water with adjacent uplands; (D) that is adjacent to perennial, intermittent, and ephemeral streams, lakes, or estuarine or marine shorelines; and (E) that includes the portions of terrestrial ecosystems that significantly influence exchanges of energy and matter with aquatic ecosystems. (3) Secretary The term Secretary has the meaning given the term in section 101 of the Healthy Forests Restoration Act of 2003 ( 16 U.S.C. 6511 ). (b) Categorical exclusion established Forest management activities described in subsection (c) are a category of actions designated as being categorically excluded from the preparation of an environmental assessment or an environmental impact statement under section 102 of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332 ). (c) Forest management activities designated for categorical exclusion (1) In general The category of forest management activities designated under subsection (b) for a categorical exclusion are forest management activities described in paragraph (2) that are carried out by the Secretary on Federal land (as defined in section 3 of the Healthy Forests Restoration Act of 2003 ( 16 U.S.C. 6502 )) the primary purpose of which is to establish and maintain linear fuel breaks that are— (A) up to 1,000 feet in width adjacent to, and incorporating, existing linear features, such as roads, trails, transmission lines, and pipelines of any length on Federal land; and (B) intended to reduce the risk of wildfire on the Federal land or an adjacent at-risk community. (2) Activities Subject to paragraph (3), the forest management activities that may be carried out pursuant to the categorical exclusion established under subsection (b) are— (A) mowing or masticating; (B) thinning by manual and mechanical cutting; (C) piling, yarding, and removal of slash; (D) selling of vegetation products, including timber, firewood, biomass, slash, and fenceposts; (E) targeted grazing