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Spatiotemporal shifts in American Eel population in a changing Hudson River estuary
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2025
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Source: Transactions of the American Fisheries Society, 2025;, vnaf015
[PDF-1.35 MB]
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Journal Title:Transactions of the American Fisheries Society
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Description:Estuarine fishes experience significant diel and seasonal variations in their environments, with climate change introducing additional stressors, including altered salinity, temperatures, and water levels. American Eels Anguilla rostrata are present in Atlantic estuaries from Venezuela to Greenland. Despite their wide distribution and shrinking population, American Eels are understudied, in part because of the research challenges posed by their unusual catadromous life history. This study examines the spatial effects of changing estuarine water quality variables (water temperature, dissolved oxygen, and salinity) on the American Eel population in the Hudson River estuary (HRE). The downstream shift in HRE American Eel population centers over several decades and the relationship between this shift and changing environmental conditions indicate the need for improved understanding of the population dynamics of the globally distributed and declining species of the genus Anguilla. This knowledge is critical in the face of rapidly changing ecosystems.
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Source:Transactions of the American Fisheries Society, 2025;, vnaf015
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Rights Information:Accepted Manuscript
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Compliance:Submitted
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