CalOceans News
Showing all articles with tag: spillover.
Proven: Marine protected areas boost fishery health
December 22nd, 2010A new peer-reviewed study from PLoS One shows what conservationists and fishermen have known all along: protected areas in the ocean allow fish to grow, multiply, and spill out into nearby open areas where they can be caught by anglers (that’s why you see so many boats “fishing the line” near marine reserves). It also shows, for the first time, that these sea sanctuaries seed nearby waters with baby fish, helping to boost fishery health in the surrounding area.
This is great news for California, since the state’s Fish and Game Commision just approved a new network of marine protected areas that will extend from Santa Barbara to the border with Mexico, protecting southern California’s most iconic ocean areas and rebuilding depleted fisheries in the region.
Scripps scientists: Marine reserves produce more and bigger fish
February 18th, 2010This weekend, the country’s foremost ocean experts will meet in San Diego to review the latest science on marine reserves. Ocean management is one of the key topics at this year’s American Association for the Advancement of
Sciences conference, and is also the theme of February’s Proceedings of the National Academy of Sciences issue.
California has many long-established marine reserves, and is working now to create a science-based network through the Marine Life Protection Act.
Scientists from Scripps Institution of Oceanography have studied reserves at La Jolla and in the Channel Islands, noting increases in the size and numbers of sheephead, abalone, and kelp bass.
The expanded protections proposed through the MLPA for key areas like south La Jolla, Swamis Reef, Point Dume, and Catalina would build on that success, helping to boost southern California’s overall ocean health.
In today’s San Diego Union Tribune, Stanford’s Steve Palumbi said California’s marine reserves will benefit anglers by boosting the size and abundance of fish in nearby open areas.
Fisheries scientist Ray Hilborn said increased abundance inside protected areas is good for tourism and for researchers.
Scripps’ Ed Parnell said that, while the design process is complex, we know that Caifornia’s new reserves will produce increases in the density and size of fish and invertebrates.
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