<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.919338</marc:controlfield>
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      <marc:subfield code="a">Fs97-6/3520E-PDF</marc:subfield>
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      <marc:subfield code="a">Veinot, Tyler, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Vessel density mapping of 2019 automatic identification system (AIS) data in the northwest Atlantic / </marc:subfield>
      <marc:subfield code="c">Tyler Veinot, Adrian Nicoll, Kasia Rozalska and Scott Coffen-Smout.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Dartmouth, Nova Scotia, Canada : </marc:subfield>
      <marc:subfield code="b">Marine Planning and Conservation, Aquatic Ecosystems Branch, Fisheries and Oceans Canada, Maritimes Region, Bedford Institute of Oceanography, </marc:subfield>
      <marc:subfield code="c">2023.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2023</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (vi, 29 pages) : </marc:subfield>
      <marc:subfield code="b">colour maps.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">text</marc:subfield>
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      <marc:subfield code="2">rdacontent</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Canadian technical report of fisheries and aquatic sciences, </marc:subfield>
      <marc:subfield code="x">1488-5379 ; </marc:subfield>
      <marc:subfield code="v">3520</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">The PDF copy has been replaced (2023-04-21) with an amended version as requested by the publisher.</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 7-8).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"The Automatic Identification System (AIS) is a global, satellite-based and terrestrial-based ship tracking system that uses shipborne equipment to remotely track vessel identification and positional information and is typically required on vessels of 300 gross tonnage or more on an international voyage, of 500 gross tonnage or more not on an international voyage, and passenger ships of all sizes. AIS tracking technologies are primarily used in support of real-time maritime domain awareness and for maritime security and safety of life at sea. This report describes a geographic information system (GIS) analysis of 2019 AIS data to produce yearly and monthly vessel density maps of all vessel classes combined and yearly density maps of each vessel class. The year 2019 was selected to portray shipping densities in a pre-COVID 19 pandemic depiction of the maritime transport sector in the Northwest Atlantic. Vessel density map applications include use in spatial analysis and decision support for marine spatial planning"--Abstract, page vi.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Shipping</marc:subfield>
      <marc:subfield code="z">Atlantic Coast (Canada)</marc:subfield>
      <marc:subfield code="x">Maps.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Shipping</marc:subfield>
      <marc:subfield code="z">North Atlantic Ocean</marc:subfield>
      <marc:subfield code="x">Maps.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Ships</marc:subfield>
      <marc:subfield code="x">Automatic identification systems</marc:subfield>
      <marc:subfield code="z">Atlantic Coast (Canada)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Ships</marc:subfield>
      <marc:subfield code="x">Automatic identification systems</marc:subfield>
      <marc:subfield code="z">North Atlantic Ocean.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Transports maritimes</marc:subfield>
      <marc:subfield code="z">Atlantique, Côte de l' (Canada)</marc:subfield>
      <marc:subfield code="x">Cartes.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Transports maritimes</marc:subfield>
      <marc:subfield code="z">Atlantique Nord</marc:subfield>
      <marc:subfield code="x">Cartes.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Systèmes d'identification automatique (Transports maritimes)</marc:subfield>
      <marc:subfield code="z">Atlantique, Côte de l' (Canada)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Systèmes d'identification automatique (Transports maritimes)</marc:subfield>
      <marc:subfield code="z">Atlantique Nord.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Fisheries and Oceans, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Bedford Institute of Oceanography, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Vessel density mapping of 2019 automatic identification system (AIS) data in the northwest Atlantic.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.919339</marc:subfield>
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      <marc:subfield code="a">Canadian technical report of fisheries and aquatic sciences ;</marc:subfield>
      <marc:subfield code="v">3520.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2023/mpo-dfo/Fs97-6-3520-eng.pdf</marc:subfield>
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