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      <marc:subfield code="a">Lee, Adam S. van der, </marc:subfield>
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      <marc:subfield code="a">American eel (Anguilla rostrata) freshwater population trajectory in Canada / </marc:subfield>
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      <marc:subfield code="c">December 2025.</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: Trajectoire de la population d'anguilles d'Amérique (Anguilla rostrata) en eau douce au Canada.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 32-34).</marc:subfield>
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      <marc:subfield code="a">"Overall, this analysis shows that while American Eel freshwater abundance in Canada has been stable over the last two decades, significant declines preceded this time period and were not limited to the St. Lawrence basin"--Abstract, page iv.</marc:subfield>
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      <marc:subfield code="t">Trajectoire de la population d'anguilles d'Amérique (Anguilla rostrata) en eau douce au Canada / </marc:subfield>
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