; (B) commercial fishermen; and (C) recreational fishermen. (3) Indian Tribe The term Indian Tribe has the meaning given such term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (4) Institution of higher education The term institution of higher education has the meaning given such term in section 101(a) of the Higher Education Act of 1965 ( 20 U.S.C. 1001(a) ). (5) Kelp forest ecosystem The term kelp forest ecosystem means a naturally occurring, biotic system dominated by canopy-forming, stipitate, or prostrate benthic macroalgae and associated taxa. (6) Nonprofit organization The term nonprofit organization means an organization— (A) described in section 501(c)(3) of the Internal Revenue Code of 1986; and (B) exempt from tax under section 501(a) of such Code.