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    The response of North Atlantic diadromous fish to multiple stressors including land use change: a multidecadal study

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    de Eyto et al CJFAS_2016.pdf
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    Author
    de Eyto, E.
    Dalton, C.
    Dillane, M.
    Jennings, E.
    McGinnity, P.
    O'Dwyer, B.
    Poole, R.
    Rogan, G.
    Taylor, D.
    Keyword
    diadromous fish
    North Atlantic
    freshwater habitat
    land use change
    Burrishoole
    conservation
    Date
    2016
    Publisher
    NRC Research Press
    
    Metadata
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    Abstract
    Reduction of freshwater habitat quality due to land use change can have significant impacts on diadromous fish. Partitioning this impact from other potential drivers, such as changing marine conditions and climate, is hampered by a lack of long term datasets. Here, four decades of data were used to assess the impact of land use change on Salmo salar L. and anadromous Salmo trutta L. in the Burrishoole catchment, Ireland, one of the few index sites for diadromous fish in the North Atlantic. Land use change was found to have no significant impact on the freshwater survival of either salmon or trout. However, climate impacted significantly on the survival of salmon and trout in freshwater, with poor survival in years with wetter warmer winters, coinciding with positive North Atlantic Oscillation values. Additionally, cold springs were associated with higher survival in trout. The addition of hatchery salmon into the salmon spawning cohort coincided with low freshwater survival. Our results highlight the necessity for a broad ecosystem approach in any conservation effort of these species.
    URI
    http://hdl.handle.net/10793/1149
    Description
    This is a author-produced PDF of a 'Just in' article published in Canadian Journal of Fisheries and Aquatic Sciences following peer review. The definitive publisher-authenticated version 'The response of North Atlantic diadromous fish to multiple stressors including land use change: a multidecadal study Elvira de Eyto, Catherine Dalton, Mary M Dillane, Eleanor Jennings, Philip McGinnity, Barry O'Dwyer, Russell Poole, Ger G Rogan, David Taylor Canadian Journal of Fisheries and Aquatic Sciences, Published on the web 19 May 2016, 10.1139/cjfas-2015-0450' is available from DOI 10.1139/cjfas-2015-0450'
    Citation
    de Eyto, E., Dalton, C., Dillane, M., Jennings, E., McGinnity, P., O’Dwyer, B., Poole, R., Rogan, G. & Taylor, D. (2016). The response of North Atlantic diadromous fish to multiple stressors including land use change: a multidecadal study. Canadian Journal of Fisheries and Aquatic Sciences. http://doi.org/10.1139/cjfas-2015-0450 Just-IN version; published online on 19 May 2016
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