; (4) by redesignating paragraphs (4), (5), (6), (7), and (8) as paragraphs (6), (7), (9), (10), and (11); (5) by inserting after paragraph (3) the following new paragraphs: (4) Harmful algal bloom; harmful algal bloom and hypoxia event (A) Harmful algal bloom The term harmful algal bloom means marine or freshwater algae or macroalgae, including Sargassum, that proliferate to high concentrations, 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. (B) 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) Harmful algal bloom or hypoxia event of significance The term event of significance means a harmful algal bloom or hypoxia event that has had or will likely have significant detrimental environmental, economic, social, subsistence use, or public health impacts. ; (6) in paragraph (6), as so redesignated— (A) by striking aquatic and inserting marine or freshwater ; and (B) by striking resident and inserting marine or freshwater ; (7) by inserting after paragraph (7), as so redesignated, the following new paragraph: (9 - 8) Subsistence use The term subsistence use means the customary and traditional use of fish, wildlife, or other freshwater, coastal, or marine resources by any individual or community to meet personal or family needs, including essential economic, nutritional, or cultural applications.