Adds a new paragraph (3) to subsection (a) requiring the Secretary to encourage the Commission to include data on ecosystem changes in coastal fishery management plans or plan amendments, and to account for impacts from ecological changes (including shifts in abundance/distribution and food web/habitat impacts) when establishing or revising quota allocations between State, Federal, or other management units, using the best scientific information available.

Amends subsection (a) by revising paragraph (2) wording, replacing former paragraphs (3) and (4) with new provisions governing criteria and procedures for adding fisheries or gear to the list (including Council analyses, Secretary determinations, interim experimental fishing allowances, and Council review/plan-preparation requirements), and by adding new paragraphs (7) (requiring Secretary guidance) and (8) (clarifying that certain research and permitting programs are not restricted).

Amends 16 U.S.C. 1854(f) to (1) renumber an existing paragraph, (2) insert a new paragraph establishing procedures and criteria for the Secretary to determine when a substantial portion of a fishery extends beyond the geographic authority of a single regional fishery management council, including indicators to consider, consultation requirements, deadlines for notice and Council decisions, Secretary fallback authority if Councils do not reach agreement, timelines for establishing or amending fishery management plans, rulemaking to publish criteria, and repeal of preceding plans upon implementation; and (3) add new provisions requiring majority approval of each Council for jointly prepared plans, excepting fisheries covered by section 302(a)(3), and clarifying that the subsection does not modify certain other provisions of the Act.