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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Marine environmental assessment of the Estuary and Gulf of St. Lawrence / </marc:subfield>
      <marc:subfield code="h">[electronic resource]</marc:subfield>
      <marc:subfield code="c">by Louise White and Frank Johns. Issued by the Toxic Chemicals Program, Bedford Institute of Oceanography and the Maurice Lamontagne Institute. </marc:subfield>
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      <marc:subfield code="a">Dartmouth - Nova Scotia : </marc:subfield>
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      <marc:subfield code="c">1997.</marc:subfield>
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      <marc:subfield code="a">"This assessment is a summary of the accumulated scientific understanding of the Estuary and Golf of St. Lawrence. It discusses the extent of anthropogenic modifications to this marine environment, points out principle uncertainties that hinder our understanding, and identifies important regional environmental issues.--Background.</marc:subfield>
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      <marc:subfield code="a">"Digitized by Publishing and Depository Services, Public Works and Government Services Canada - 2014"</marc:subfield>
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      <marc:subfield code="a">A joint collaboration between the Maritimes and Laurentian regions, Science Branch of Fisheries and Oceans. The Marine Environmental Assessment of the Estuary and Gulf of St. Lawrence is the first assessment on environmental conditions and human impacts in the Gulf and Estuary of the St. Lawrence completed under the Toxic Chemicals initiative of the Green Plan. This publication presents a clear picture of the state of knowledge of the marine environment of this unique ecosystem and is organized according to its physics, biology, fisheries, and chemistry. The book concludes by identifying important issues related to human-induced changes on the marine environment with recommendations to further our understanding. For both a non-specialist audience and professional scientists.</marc:subfield>
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      <marc:subfield code="t">Évaluation du milieu marin de l'estuaire et du golfe du Saint-Laurent / </marc:subfield>
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      <marc:subfield code="t">Marine environmental assessment of the Estuary and Gulf of St. Lawrence / </marc:subfield>
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