; (2) maintain biodiversity; (3) protect public health; (4) protect coastal resources of national, historical, and cultural significance; or (5) benefit low-income communities, Indian tribes or Indigenous communities, and rural communities. . (2) Clerical amendment The table of contents in section 2 of the Coast Guard Authorization Act of 1998 ( Public Law 105–383 ; 112 Stat. 3412; 136 Stat. 1268) is amended by inserting after the item relating to section 606 the following: Sec. 606A. National-level incubator program. . (g) Definitions Section 609 of the Harmful Algal Blooms and Hypoxia Research and Control Act of 1998 ( 33 U.S.C. 4008 ) is amended— (1) in paragraph (1), by striking means the comprehensive research plan and action strategy established under section 603B and inserting means the action strategy for harmful algal blooms in the United States most recently submitted under section 603(c) ; (2) by amending paragraph (3) to read as follows: (3) Harmful algal bloom The term harmful algal bloom means a high concentration of marine or freshwater algae or macroalgae, including Sargassum, resulting in nuisance conditions or harmful impacts on marine and freshwater ecosystems, communities, or human health through the production of toxic compounds or other biological, chemical, or physical impacts of the algae outbreak. ; (3) by striking paragraph (9); (4) by redesignating paragraphs (4), (5), (6), (7), and (8) as paragraphs (6), (7), (8), (10), and (11), respectively; (5) by inserting after paragraph (3) the following: (4) Harmful algal bloom and hypoxia event The term harmful algal bloom and hypoxia event means the occurrence of a harmful algal bloom or hypoxia as a result of a natural, anthropogenic, or undetermined cause. (5) Indian tribe The term Indian tribe has the meaning given that term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). ; (6) in paragraph (6), as redesignated by paragraph (4)— (A) by striking aquatic and inserting marine or freshwater