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      <marc:subfield code="a">Tunney, Tyler D., </marc:subfield>
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      <marc:subfield code="a">Science on the use of timing windows as a mitigation measure / </marc:subfield>
      <marc:subfield code="c">Tyler D. Tunney, Douglas C. Braun, Jonathan D. Midwood, Sean M. Naman, and Jordan Roszell.</marc:subfield>
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      <marc:subfield code="a">Research document, </marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Données scientifiques sur l'utilisation des périodes particulières comme mesure d'atténuation.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 58-69).</marc:subfield>
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      <marc:subfield code="a">"Timing windows refer to a mitigation measure that defines low-risk periods for harm to fish and fish habitat from works, undertaking and activities (WUAs). The Fisheries and Oceans Canada Fish and Fish Habitat Protection Program (FFHPP) has requested scientific advice on the use of timing windows"--Abstract.</marc:subfield>
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      <marc:subfield code="t">Données scientifiques sur l'utilisation des périodes particulières comme mesure d'atténuation / </marc:subfield>
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      <marc:subfield code="a">Research document (Canadian Science Advisory Secretariat)</marc:subfield>
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