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    Mesoscale eddies are oases for higher trophic marine life

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    Article-PLoS_ONE-Mesoscale_-2012.pdf
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    Type
    Article
    Authors
    Godø, Olav R.
    Samuelsen, Annette
    Macaulay, Gavin J.
    Patel, Ruben
    Hjøllo, Solfrid Sætre
    Horne, John
    Kaartvedt, Stein cc
    Johannessen, Johnny A.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Date
    2012-01-17
    Permanent link to this record
    http://hdl.handle.net/10754/325300
    
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    Abstract
    Mesoscale eddies stimulate biological production in the ocean, but knowledge of energy transfers to higher trophic levels within eddies remains fragmented and not quantified. Increasing the knowledge base is constrained by the inability of traditional sampling methods to adequately sample biological processes at the spatio-temporal scales at which they occur. By combining satellite and acoustic observations over spatial scales of 10 s of km horizontally and 100 s of m vertically, supported by hydrographical and biological sampling we show that anticyclonic eddies shape distribution and density of marine life from the surface to bathyal depths. Fish feed along density structures of eddies, demonstrating that eddies catalyze energy transfer across trophic levels. Eddies create attractive pelagic habitats, analogous to oases in the desert, for higher trophic level aquatic organisms through enhanced 3-D motion that accumulates and redistributes biomass, contributing to overall bioproduction in the ocean. Integrating multidisciplinary observation methodologies promoted a new understanding of biophysical interaction in mesoscale eddies. Our findings emphasize the impact of eddies on the patchiness of biomass in the sea and demonstrate that they provide rich feeding habitat for higher trophic marine life. 2012 God et al.
    Citation
    Godø OR, Samuelsen A, Macaulay GJ, Patel R, Hjøllo SS, et al. (2012) Mesoscale Eddies Are Oases for Higher Trophic Marine Life. PLoS ONE 7: e30161. doi:10.1371/journal.pone.0030161.
    Publisher
    Public Library of Science (PLoS)
    Journal
    PLoS ONE
    DOI
    10.1371/journal.pone.0030161
    PubMed ID
    22272294
    PubMed Central ID
    PMC3260222
    ae974a485f413a2113503eed53cd6c53
    10.1371/journal.pone.0030161
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Marine Science Program

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