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<div class=Section1>
<p class=MsoNormal style='background:white'><cite><span style='font-family:
"Arial","sans-serif"'>Science </span></cite><span
class=apple-converted-space><span style='font-family:"Arial","sans-serif"'> </span></span><span
style='font-family:"Arial","sans-serif"'>23 Feb 2018:<br>
Vol. 359, Issue 6378, pp. 904-908<br>
DOI: 10.1126/science.aao5646<o:p></o:p></span></p>
<h1 style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:11.25pt;
margin-left:0in;background:white'><span style='font-family:"Arial","sans-serif";
font-weight:normal'><o:p> </o:p></span></h1>
<h1 style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:11.25pt;
margin-left:0in;background:white'><span style='font-family:"Arial","sans-serif"'>Tracking
the global footprint of fisheries<o:p></o:p></span></h1>
<p class=MsoNormal style='margin-left:0in;text-indent:-.25in;line-height:18.0pt;
mso-list:l1 level1 lfo1;background:white'><![if !supportLists]><span
style='font-family:"Arial","sans-serif"'><span style='mso-list:Ignore'>1.<span
style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
class=name><span style='font-family:"Arial","sans-serif"'>David A. Kroodsma</span></span><span
style='font-family:"Arial","sans-serif"'><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-1"
id=xref-aff-1-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>1</span></sup></a></span><span class=xref-sep><span
style='font-size:8.0pt;font-family:"Arial","sans-serif"'>,</span></span><span
style='font-family:"Arial","sans-serif"'><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#corresp-1"
id=xref-corresp-1-1><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>*</span></a>,<span class=apple-converted-space> </span><span
class=name>Juan Mayorga</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-2"
id=xref-aff-2-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>2</span></sup></a></span><span class=xref-sep><span
style='font-size:8.0pt;font-family:"Arial","sans-serif"'>,</span></span><span
style='font-family:"Arial","sans-serif"'><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-3"
id=xref-aff-3-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>3</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Timothy Hochberg</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-1"
id=xref-aff-1-2><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>1</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Nathan A. Miller</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-4"
id=xref-aff-4-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>4</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Kristina Boerder</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-5"
id=xref-award-group-11-1><sup><span style='font-size:8.0pt;color:windowtext;
border:none windowtext 1.0pt;padding:0in'>5</span></sup></a>,<span
class=apple-converted-space> </span><span class=name>Francesco Ferretti</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-6"
id=xref-aff-6-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>6</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Alex Wilson</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-7"
id=xref-aff-7-1><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>7</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Bjorn Bergman</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-4"
id=xref-aff-4-2><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>4</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Timothy D. White</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-6"
id=xref-award-group-1-1><sup><span style='font-size:8.0pt;color:windowtext;
border:none windowtext 1.0pt;padding:0in'>6</span></sup></a>,<span
class=apple-converted-space> </span><span class=name>Barbara A. Block</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-6"
id=xref-aff-6-3><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>6</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Paul Woods</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-1"
id=xref-aff-1-3><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>1</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Brian Sullivan</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-7"
id=xref-aff-7-2><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>7</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Christopher Costello</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-2"
id=xref-aff-2-2><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>2</span></sup></a>,<span class=apple-converted-space> </span><span
class=name>Boris Worm</span><a
href="http://science.sciencemag.org/content/359/6378/904?utm_campaign=toc_sci-mag_2018-02-22&et_rid=34815706&et_cid=1867095#aff-5"
id=xref-aff-5-2><sup><span style='font-size:8.0pt;color:windowtext;border:none windowtext 1.0pt;
padding:0in'>5</span></sup></a><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:0in;text-indent:-.25in;line-height:18.0pt;
mso-list:l1 level1 lfo1;background:white;box-sizing: inherit;cursor:pointer;
font-size:0.75rem'><![if !supportLists]><b><span style='font-family:"Helvetica","sans-serif";
color:#666666'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span></span></b><![endif]><b><span style='font-family:"Helvetica","sans-serif";
color:#666666'><o:p> </o:p></span></b></p>
<h2 style='margin:0in;margin-bottom:.0001pt;background:#E6E6E6'><span
style='font-family:"Arial","sans-serif";color:#333333'>More than half the fish
in the sea<o:p></o:p></span></h2>
<p style='mso-margin-top-alt:2.8pt;margin-right:0in;margin-bottom:11.25pt;
margin-left:0in;line-height:18.0pt;background:#E6E6E6;box-sizing: inherit;
transition: background-color 1s ease-in-out 1s' id=p-2><span style='font-family:
"Arial","sans-serif";color:#333333'>As the human population has grown in recent
decades, our dependence on ocean-supplied protein has rapidly increased.
Kroodsma<span class=apple-converted-space> </span><em><span
style='font-family:"Arial","sans-serif"'>et al.</span></em><span
class=apple-converted-space> </span>took advantage of the automatic
identification system installed on all industrial fishing vessels to map and
quantify fishing efforts across the world (see the Perspective by Poloczanska).
More than half of the world's oceans are subject to industrial-scale harvest,
spanning an area four times that covered by terrestrial agriculture.
Furthermore,<b> fishing efforts seem not to depend on economic or environmental
drivers, but rather social and political schedules</b>. Thus, more active
measures will likely be needed to ensure sustainable use of ocean resources.<o:p></o:p></span></p>
<p style='mso-margin-top-alt:11.25pt;margin-right:0in;margin-bottom:0in;
margin-left:0in;margin-bottom:.0001pt;line-height:18.0pt;background:#E6E6E6;
box-sizing: inherit;transition: background-color 1s ease-in-out 1s' id=p-3><em><span
style='font-family:"Arial","sans-serif";color:#333333'>Science</span></em><span
style='font-family:"Arial","sans-serif";color:#333333'>, this issue p.<span
class=apple-converted-space> </span><a
href="http://science.sciencemag.org/lookup/doi/10.1126/science.aao5646"><b><span
style='color:#37588A'>904</span></b></a>; see also p.<span
class=apple-converted-space> </span><a
href="http://science.sciencemag.org/lookup/doi/10.1126/science.aar7613"><b><span
style='color:#37588A'>864</span></b></a><o:p></o:p></span></p>
<p style='mso-margin-top-alt:11.25pt;margin-right:0in;margin-bottom:0in;
margin-left:0in;margin-bottom:.0001pt;line-height:18.0pt;background:#E6E6E6'><span
style='font-family:"Arial","sans-serif";color:#333333'><o:p> </o:p></span></p>
<h2 style='margin:0in;margin-bottom:.0001pt;background:#E6E6E6;box-sizing: inherit;
font-size:1.5rem'><span style='font-family:"Arial","sans-serif";color:#333333'>Abstract<o:p></o:p></span></h2>
<p style='mso-margin-top-alt:2.8pt;margin-right:0in;margin-bottom:0in;
margin-left:0in;margin-bottom:.0001pt;line-height:18.0pt;background:#E6E6E6;
box-sizing: inherit;transition: background-color 1s ease-in-out 1s' id=p-5><span
style='font-family:"Arial","sans-serif";color:#333333'>Although fishing is one
of the most widespread activities by which humans harvest natural resources,
its global footprint is poorly understood and has never been directly
quantified. <u>We processed 22 billion automatic identification system messages
and tracked >70,000 industrial fishing vessels from 2012 to 2016</u>,
creating a global dynamic footprint of fishing effort with spatial and temporal
resolution two to three orders of magnitude higher than for previous data sets.
<u>Our data show that industrial fishing occurs in >55% of ocean area and
has a spatial extent more than four times that of agriculture</u>. We find that
global patterns of fishing have surprisingly low sensitivity to short-term
economic and environmental variation and a strong response to cultural and
political events such as holidays and closures.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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