What Do You Know About the High Seas?

# testmode:'no', # quiz: randomChoices,instantClosed # incomplete test text : Please answer all questions to show results # submit button text : Show Results # results title text : Thank you for testing your knowledge with our quiz! Find out your score below. # results title : Thanks for your participation! # results text :

{score} out of {total_questions}

0/7, 1/7 and 2/7: You missed a few, but you could still become a high seas expert.
3/7, 4/7, and 5/7: Pretty good, but there’s still room for improvement.
6/7 and 7/7: Congratulations, you’re an expert on the high seas!

# social text : Do you know why the %23HighSeas need protection? Test your knowledge with @pewenvironment’s quiz and find out how a new @UN treaty could help the ocean. %23OneOceanOnePlanet # social url : https://pew.org/2N6KIKp # _imgurl : /~/media/data-visualizations/interactives/2018/high-seas-quiz/images/ Asset ID 41564 ? The high seas are teeming with life. What percentage of the Earth’s surface do the high seas represent?

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+ 43 percent ! Two-thirds of the world’s oceans (and 43 percent of the Earth’s surface) are considered to be the high seas. The oceans also represent 95 percent of the world’s habitable space. - 50 percent - 66 percent - 75 percent ? How much carbon is stored in the ocean?

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- 1 million tons - 40 million tons - 30 billion tons + 38,000 gigatons (1 gigaton=1 billion tons) ! This is 16 times more carbon than is stored on land and 60 times as much as was in the atmosphere before the Industrial Revolution. Scientists believe that the ocean could ultimately absorb 95 percent of manmade emissions.¹ ? What is the total fisheries catch from the high seas?

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- 900,000 metric tons - 2.5 million metric tons + 4.4 million metric tons ! In 2014, this catch was 4.4 million metric tons, with an aggregate landed revenue of US$7.6 billion. However, much of this is due to government subsidies, without which it is highly likely that fishing and profits would fall.² - 10 million metric tons ? How many unidentified species do scientists estimate exist in the world’s oceans?

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+ 200,000 ! 200,000. Some scientists estimate that number could be in the millions. - 1 million - 1 billion - 10 million ? When did U.N. Members decide to establish a meeting dedicated to the conservation and sustainable use of the high seas?

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- 1984 + 2004 ! In 2004, the United Nations established the Ad Hoc Open-ended Informal Working Group to study issues related to the conservation and sustainable use of marine biological diversity beyond national jurisdiction in resolution A/RES/59/24, paragraph 73. But it first met in 2006, so give yourself partial credit if you answered that. - 2006 - 2010 - 2016 ? Scientists have overwhelmingly found MPAs to be one of the most effective tools for conserving the ocean and its resources. What are the key benefits that scientists expect from high seas MPAs?

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- Safeguard biodiversity³ - Protect top predators and maintain ecosystem balance⁴ - Build ecosystem resilience to climate change⁵ - Provide ecological benefits to neighboring ecosystems⁶ + All of the above ? Scientists have modeled what would happen to fish stocks if the high seas were closed to fishing. These studies found that fish catches would drop dramatically. True or false?

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- True + False ! One study⁷ concluded that “there would be no loss in global catch” and that fishing would become more equitably distributed. Another study⁸ found that closing the high seas would quadruple fish stocks in these areas and boost fish stocks within a nation’s exclusive economic zones by 30 percent. The study also estimated that fishing profits would double.