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Stretch of the Central California coast is about to be designated a marine sanctuary. What does that mean?

Point Conception, CA - October 03: Ambitious ecological recovery projects at The Dangermond Preserve include removal of 1,000 acres of invasive ice plant along the coastal plains near Point Conception Tuesday, Oct. 3, 2023. It is surrounded by The Jack and Laura Dangermond Preserve, which is 24,329 acres of land the Nature Conservancy purchased near Lompoc. The Nature Conservancy purchased 24,329 acres of land in 2017 in the area from a New England investment firm to protect it from development. "Our findings will provide glimpses into California's coastal future." Sometimes referred to as the "elbow of California," it exists as the demarcation between the state's distinct southern and northern ecosystems, a place where the cold Pacific current meets the warmer waters sweeping up from Baja California. It is owned by the Nature Conservancy, which is collaborating with NOAA, NASA, and other federal agencies on dozens of ongoing research projects, including the recent demolition of concrete diversions that were preventing federally endangered steelhead salmon from reaching ancient spawning grounds. (Allen J. Schaben / Los Angeles Times)
A view of the coastline near Point Conception that would be part of the proposed Chumash Heritage National Marine Sanctuary. (Allen J. Schaben/Los Angeles Times)

A stretch of land that is expected to be designated as a national marine sanctuary by next year would preserve more than 5,000 square miles of ocean off California's Central Coast.

It was the dream of a Native American tribal leader who died before he could see it come to fruition.

The proposed Chumash Heritage National Marine Sanctuary is not yet finalized, and the public can submit comments on the draft proposal through Wednesday. The sanctuary would span 134 miles along the coast from Hazard Canyon Reef, south of Morro Bay, to just south of Dos Pueblos Canyon, which is home to one of the largest historical Chumash villages. The designation would protect a 5,617-square-mile area.

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The designation would prohibit dumping matter into the sanctuary, disturbing cultural resources, drilling or producing oil, gas or minerals, and disturbing the seabed, according to the National Oceanic and Atmospheric Administration.

The NOAA is hoping to finalize a sanctuary designation by next year, which would add to the agency's marine sanctuary system that already includes "more than 620,000 square miles of marine and Great Lakes waters from Washington state to the Florida Keys," according to its website. The network encompasses 15 national marine sanctuaries.

Read more: A Chumash tribe and conservationists are fighting a controversial offshore wind power plan

President Biden has endorsed the proposal as part of his America the Beautiful Initiative, which includes a goal to restore and conserve 30% of U.S. waters and land by 2030.

The proposed Chumash Heritage National Marine Sanctuary would also protect marine life and cultural and archaeological sites under the National Marine Sanctuaries Act. Regulations would be imposed to protect water quality, habitat and species. The sanctuary would also protect the ecological qualities of the area including marine mammals, birds, fish, sea turtles, algae and other organisms, as well as rocky reefs, kelp forests and beaches.

Fred Harvey Collins, the chair of the Northern Chumash Tribal Council and an ardent advocate for the protection of sacred Northern Chumash lands, submitted the nomination for the creation of the sanctuary, with the support of Rep. Salud Carbajal (D-Santa Barbara) and Sens. Dianne Feinstein and Alex Padilla (both D-Calif.). He died on Oct. 1, 2021.

NOAA's Office of National Marine Sanctuaries issued a notice of intent to begin the designation process for the sanctuary in November 2021.

The draft management plan outlines a framework for Indigenous and tribal collaborative management, providing an opportunity to incorporate Indigenous people's traditions, values and knowledge.

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This story originally appeared in Los Angeles Times.