Marine Protected Areas
Creating “Yosemites of the Sea”
Worldwide, our oceans are in serious trouble from overfishing, pollution, habitat destruction and climate change. It’s becoming increasingly difficult for the oceans to “keep up” with these stresses. But what if we could just give our oceans a break?
That’s the idea behind Marine Protected Areas. By setting aside areas for protection from human activities, we can allow our oceans to recover.
Like State Parks on Land
Similar to state and national parks on land, Marine Protected Areas preserve prime undersea habitat, allowing marine wildlife to recover and thrive. These safe havens result in larger, more abundant fish, plants and other marine life. Marine Protected Areas benefit ocean wildlife, marine habitats, and people—leaving most of the ocean open for fishing and other human activities.
California Leads the Way
In 2007 the nation’s largest network of Marine Protected Areas was established on the Central Coast of California. This was the first installment in a landmark effort to establish a system of Marine Protected Areas along the entire California coast. The 29 Marine Protected Areas along the Central Coast include habitats ranging from deep-sea canyons to kelp forests—a rich legacy for our children.
You Can Help
But there is more work to be done. Marine Protected Areas are now being created in northern and southern California through a public, science-based process. This means you have a voice in how to keep our oceans healthy. By writing a simple electronic letter to the Governor to ask him to support a strong network of Marine Protected Areas, you can help give our oceans a break!
Marine Reserves:
Did You Know?
- Some Marine Protected Areas are designated as “marine reserves,” offering the highest level of protection.
- Studies show that there can be over 20% more species inside a reserve than outside.
- Fish and invertebrates are typically 28% bigger inside reserves and produce more young.
- Less than 0.01% of the ocean is protected by marine reserve status.
- Most marine reserves cover less than 1.5 square miles.
- There are 13 fully protected marine reserves in Central California, covering 7.5% of the region.
- Over 90% of Central California waters remain open for fishing and collecting shellfish or seaweeds.
Help Save Seahorses!

San Diego Bay is home to the Pacific seahorse—the only seahorse found in the western U.S.
Help save Pacific seahorses and support a strong network of Marine Protected Areas in Southern California.
Write a simple electronic letter.
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