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      <marc:subfield code="a">Coffin, Michael R. S., </marc:subfield>
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      <marc:subfield code="a">Dissolved oxygen as a Marine Environmental Quality (MEQ) measure in upper estuaries of the southern Gulf of St. Lawrence : </marc:subfield>
      <marc:subfield code="b">implications for nutrient management and eelgrass (Zostera marina) coverage / </marc:subfield>
      <marc:subfield code="c">Michael R. S. Coffin, Luke A. Poirier, Jeff C. Clements, Eva Dickson, Thomas Guyondet, Cynthia J. Crane, Michael R. van den Heuvel.</marc:subfield>
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      <marc:subfield code="a">Ottawa ON : </marc:subfield>
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      <marc:subfield code="c">2021.</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: L'oxygène dissous comme mesure de la qualité du milieu marin (QMM) dans les estuaires supérieurs du sud du golfe du Saint-Laurent : implications pour la gestion des nutriments et la couverture de zostères (Zostera marina).</marc:subfield>
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      <marc:subfield code="a">"September 2021."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 15-17).</marc:subfield>
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      <marc:subfield code="a">Canadian Science Advisory Secretariat, </marc:subfield>
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      <marc:subfield code="t">L'oxygène dissous comme mesure de la qualité du milieu marin (QMM) dans les estuaires supérieurs du sud du golfe du Saint-Laurent : </marc:subfield>
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      <marc:subfield code="a">Research document (Canadian Science Advisory Secretariat)</marc:subfield>
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