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Designating Experimental Populations under the Endangered Species Act: Section 10(j)

Section 10(j) of the Endangered Species Act allows NOAA Fisheries to designate populations of listed species as “experimental” to support the reintroduction of at-risk species to foster long-term recovery.

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Two humpback whales swimming underwater. The water is very blue, and the surface is visible just above their heads. Humpback whales swimming underwater. Credit: Kogia.org
750x500-leatherback-sea-turtle.jpg An endangered leatherback sea turtle swimming at the ocean surface. Once prevalent in almost every ocean, the leatherback population is rapidly declining in many parts of the world. As one of NOAA Fisheries’ Species in the Spotlight, we have made it a priority to focus recovery efforts on stabilizing and recovering the leatherback sea turtle to prevent its extinction. Photo credit: NOAA Fisheries
Gray whale breaches, or leaps up and out of the water, with mountains in the background. Gray whale breaching. Credit: NOAA Fisheries/Merrill Gosho.
A white man in khaki and hip waders holds a large tube, through which salmon and water is shooting into a river. A U.S. Fish and Wildlife employee reintroduces salmon into a Central Valley river.