Loggerhead sea turtle policies of the Barack Obama Administration (2009-2017) effective on October 24, 2011. Loggerhead DPSs listed as threatened under the jurisdiction of the Secretary of Commerce are: Endangered populations of loggerhead sea turtles are: The two of these distinct population segments of loggerhead sea turtles that fall within United States Territory are the North Pacific Ocean DPS(range defined as north of the equator and south of 60°N lat.) and the Northwest Atlantic Ocean DPS(range defined as north of the equator, south of 60°N lat., and west of 40°W. long.). Off the coast of southern California NMFS, NOAA, and Department of Commerce prohibited fishing with large drift gillnet (DGN)
History of manifolds and varieties spaces with a differentiable or topological structure, while "variety" refers to spaces with an algebraic structure, as in algebraic varieties. In Romance languages, manifold is translated as "variety" – such spaces with a differentiable structure are literally translated as "analytic varieties", while spaces with an algebraic structure are called "algebraic varieties". Thus for example, the french word "" means topological manifold. In the same vein, the Japanese word "" (tayōtai) also encompasses both manifold and variety. ("" (tayō) means various.) Ancestral to the modern concept of a manifold were several important results of 18th and 19th century mathematics. The oldest