; and (B) a physical, chemical, geological, and microbial environment that is necessary to achieve such diversity. (5) Outer Continental Shelf The term Outer Continental Shelf has the meaning that the term outer Continental Shelf has in the Outer Continental Shelf Lands Act ( 43 U.S.C. 1331 et seq.). (6) Regional Ocean Partnership The term Regional Ocean Partnership means voluntary, collaborative management initiatives developed and entered into by the Governors of two or more coastal States or created by an interstate compact for the purpose of addressing more than one ocean, coastal, or Great Lakes issue and to implement policies and activities identified under special area management plans under the Coastal Zone Management Act of 1972 ( 16 U.S.C. 1451 et seq.) or other agreements developed and signed by the Governors. (7) Secretary The term Secretary means the Secretary of the Interior. 502. Regional coordination (a) In general The purpose of this subtitle is— (1) to promote better coordination, communication, and collaboration between Federal agencies with authorities for ocean, coastal, and Great Lakes management