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    Past Serves as Lesson in Sustainable Fishing

    Hawaiian societies caught as much fish as modern fishers

    Healthy, well-managed coral reefs in Northwestern Hawaiian Islands. Overfishing threatens the Hawaiian reefs as well as more than half of the reefs around the world.
    Healthy, well-managed coral reefs in Northwestern Hawaiian Islands. Overfishing threatens the Hawaiian reefs as well as more than half of the reefs around the world.

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    For some 400 years before European settlers arrived, ancient Hawaiian societies caught as much fish as modern fishers or more  - without fishing the reefs to depletion, according to a new study.

    The findings suggest that, with the right strategies and enforcement, fishing can be productive and sustainable for the long term.

    Protect the catch

    While some of the steps the ancient Hawaiians took to protect their catch are extreme by today’s standards, conservation experts would find many of them familiar.

    When the first Europeans settled on the remote Pacific island chain of Hawaii in the 18th century, fishing had been going strong for centuries.

    Each local ruler made sure it stayed that way.

    “If [the ruler's agent] decided that the fish stock on a particular reef needed to rest - people had been fishing it too much - then he would put a kapu on that reef,” says geographer Jack Kittinger of Stanford University's Center for Ocean Solutions.

    Forbidden

    “Kapu” roughly translates as “forbidden,” and that was enough for the local fishers, Kittinger says.

    Local fishermen sort reef fish caught in Maunalua Bay, O‘ahu, circa 1930, a time when reef fisheries were a major source of food and livelihoods for local fishermen. Over the past several decades, declines in reef health and fish stocks have made catches
    Local fishermen sort reef fish caught in Maunalua Bay, O‘ahu, circa 1930, a time when reef fisheries were a major source of food and livelihoods for local fishermen. Over the past several decades, declines in reef health and fish stocks have made catches

    Capt. James Cook, the first European to reach Hawaii, saw the kapu system in action.

    Cook would see Hawaiian fishermen out on the water one day.

    "The next day there was a kapu put on the bay by the local king, and no one was on the water," Kittinger says. "People obeyed these things.”

    It was also kapu to catch skipjack tuna for roughly half the year, and mackerel scad the other half.

    Also, only a professional class of fishermen was allowed to fish in deeper waters and use certain types of equipment.

     

    Overfishing

    Those and other traditional methods kept the coral reef ecosystems producing as much or more fish as they are today. And they had done so for about 400 years before Europeans arrived, according to a study by Kittinger and his co-author published in Fish and Fisheries.

    Today, on the other hand, overfishing threatens the Hawaiian reefs, and more than half of the reefs around the world.

    When Kittinger looks at today’s efforts to control overfishing, he sees a lot of parallels with the ancient Hawaiian practices.

    “They had basically the same tools in the toolbox that we have today," he says. "We do the same thing. We say, ‘You can use this gear here, but you can’t use it there. This area is off limits,’ and so on and so forth. But the difference is how those strategies are implemented.”

    The difference, he says, is if you broke a kapu, “You’re in deep trouble,” he says. It could mean blinding or even death.

    Some other strategies are out of step with modern values. Women were forbidden from eating certain kinds of prized fish. Turtles were off-limits for everyone but chiefs and high priests.

    These rules had the effect of protecting these species.

    “We think that the fact that they were protected probably arose as a response to understanding that those species were vulnerable,” Kittinger says.

    Living on remote islands in the middle of the ocean, subject to storms, droughts, tsunamis and so on, Kittinger says protecting the food supply was a matter of life and death for the ancient Hawaiians.

    Lesson from the past

    But with ocean ecosystems worldwide in decline, Kittinger says we could learn from their experience.

    “These days, you get a slap on the wrist if you break a fisheries law," he says. "And it just tells us we don’t really take enforcement that seriously. If we were really serious about protecting the resource, we need to be more serious about the violations and what happens with the violator.”

    He is not suggesting bringing back the death penalty for violators, but says today’s more relaxed attitudes are not enough.


    Steve Baragona

    Steve Baragona is an award-winning multimedia journalist covering science, environment and health.

    He spent eight years in molecular biology and infectious disease research before deciding that writing about science was more fun than doing it. He graduated from the University of North Carolina at Chapel Hill with a master’s degree in journalism in 2002.

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    Comment Sorting
    Comments
         
    by: Waterman
    April 10, 2012 8:35 AM
    There is no mystery here. Fisheries experts know what to do to get the situation under control, but they are prevented from doing anything by politics. Hawaii is the only place with no fishing license. People are allowed to catch juvenile fish and net whole reproductive schools because it is part of the "culture". The State fisheries managers are not allowed to change fisheries rules without literally years of debate and public hearings trying to please everyone.

    by: Big Island Fisher
    April 09, 2012 11:08 PM
    Regulation is fine and obviously necessary. Just base it on some real science and not some baseless mumbo jumbo BS that 400 years ago the Hawaiian's caught as many fish as are cuaght now and had some quasi- managemet plan. That is just ridiculous.

    by: Kamohomoho
    April 09, 2012 10:31 PM
    The Ali'i and Kahuna were exercising monopoly rights. These are, by there very nature, conserving. They murdered the kama'aina, people of the land, as they saw fit and with the assistance of the religious kahuna legitimized the slaughter as religious practice. The Kapu system was vicious and self destructive. It was finally overturned by a people fed up with oppression. So....what's really changed? Just new thugs to bully the population. .

    by: O'ahu Island Fisher
    April 09, 2012 11:34 AM
    Many locals, fed lines of baloney by WESTPAC shills, don't realize that they are enabling the commercial fishing industry. Disillusioned WESTPAC "volunteers," regularly tell them that either "Big Government," "Big Nonprofits," or alternatively the "Eco-Tourism Industry" are trying to end all fishing in Hawai'i. The end game is to blindly oppose any regulation, even/especially any restrictions on industrial fishing. Who will suffer when there is no regulation?

    by: derp
    April 09, 2012 11:20 AM
    You're assuming that they're being paid by people who have stakes in fisheries management, when often they're getting grants from the NSF etc. where grants are supposed to be awarded on scientific merit. In addition, much of their research does have to be peer reviewed before being published.

    by: Big Island Fisher
    April 09, 2012 10:42 AM
    These "researchers", paid by those who want to regulate the fishing so only they can catch fish for profit, come up with the most outlandish depictions of Hawaiian culture. Pure baloney. One story by Captain Kook does not allow for such extravagant extrapolation of this kind. What is for sure is that they caught fish enough to eat, not so much they could sell and become sickeningly profitable like the greedy machine that pays guys like Kittinger.

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