; and (2) by adding at the end the following: (8) Indian Tribe The term Indian Tribe has the meaning given the term Indian tribe in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (9) Blue carbon The term blue carbon means the ability of an ocean or coastal ecosystem, habitat, or other natural resource to absorb, capture, and contain atmospheric carbon dioxide. . (b) Improvements to National Oceans and Coastal Security Fund (1) Establishment of fund required Subsection (a) of section 904 of such Act ( 16 U.S.C. 7503 ) is amended by inserting and jointly manage after establish . (2) Deposits Paragraph (1) of subsection (b) of section 904 is amended to read as follows: (1) In general There shall be deposited into the Fund, which shall constitute the assets of the Fund, amounts as follows: (A) Amounts transferred to the Fund under section 908. (B) Such other amounts as may be appropriated or otherwise made available to carry out this Act. . (3) Expenditures Section 904 of such Act ( 16 U.S.C. 7503 ) is amended by striking subsection (d) and inserting the following: (d) Expenditure (1) Of the amounts deposited into the Fund for each fiscal year, if those funds are equal to or greater than $100,000,000— (A) not more than 80 percent may be used for the award of grants under subsection (b) of section 906; (B) not more than 20 percent may be used for the award of grants under subsection (c) of such section