> >I thought that El Nino was a reversal of ocean currents which > >resulted in the nutrient rich lower water layers no longer upwelling near > >the South American coast, thus no nutrients for the algae?! > > > > > > Yes, upwelling or lack thereof, is part of the picture of El Nino on which > I am no expert. The lack of "upwelling" due to El Nino is given as the > reason that surface water in the Bering Sea has been so nutrient poor > during the last couple of summers that there have been major blooms of > coccolithophores. If it is not upwelling, then are the nutrients > concentrated near the bottom? If the nutrients are concentrated near the > bottom why are bottom-feeding gray whales, who feed all summer in that > area, dying of starvation? > But with the nutrients at the bottom and the sunlight at the top, the phytoplankton cannot utilise them.
> ----------------------------------------------- > John Gilbey > FRS Marine Laboratory > Molecular Genetics > Victoria Road > Aberdeen > Scotland > AB11 9DB > Tel: 01224 295303 > Fax: 01224 295511 > E-mail: [log in to unmask] > ----------------------------------------------- > > ' > ' > ' /// > <*}}}}}}>< > \ \ > >
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