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Re: Sallie Chisholm's Prochlorococcus

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  • David
    ... Are you suggesting that it is strictly the conductive properties of iron that are responsible for the phytoplankton bloom? I was under the impression is
    Message 1 of 3 , Dec 1, 2003
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      --- In methanehydrateclub@yahoogroups.com, "Mike Doran" <mike@u...> wrote:
      > http://web.mit.edu/biology/www/facultyareas/facresearch/chisholm.shtml
      >
      >
      > "We participated in three expeditions that tested this hypothesis,
      > in
      > which a patch of ocean was fertilized with iron, and the response of
      > the phytoplankton community was monitored. The results were
      > dramatic.
      > Phytoplankton biomass increased 20-fold with the addition of iron,
      > and the structure of the phytoplankton community also changed
      > substantially. Our role in the project was to describe and understand
      > the differential response of phytoplankton species to iron
      > enrichment."
      >

      Are you suggesting that it is strictly the conductive properties of
      iron that are responsible for the phytoplankton bloom? I was under
      the impression is was because of the fact that iron was a nutrient of
      the phytoplankton. If it is strictly because of the conductivity,
      then shouldn't the results be reproducible with another metal? For
      example, copper should have the same effect.
    • mike
      Iron is a nutrient of the algae and its requirement is what it is. But on a larger scale, both requirement and conductivity impact forms a condition that
      Message 2 of 3 , Dec 2, 2003
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        Iron is a nutrient of the algae and its requirement is what it is. But
        on a larger scale, both requirement and conductivity impact forms a
        condition that forces cloud behaviors, and is part of a living earth.

        -----Original Message-----
        From: "David" <b1blancer1@...>
        To: methanehydrateclub@yahoogroups.com
        Date: Tue, 02 Dec 2003 02:23:19 -0000
        Subject: [Methane Hydrate Club] Re: Sallie Chisholm's Prochlorococcus

        > --- In methanehydrateclub@yahoogroups.com, "Mike Doran" <mike@u...>
        > wrote:
        > >
        > http://web.mit.edu/biology/www/facultyareas/facresearch/chisholm.shtml
        > >
        > >
        > > "We participated in three expeditions that tested this hypothesis,
        > > in
        > > which a patch of ocean was fertilized with iron, and the response of
        > > the phytoplankton community was monitored. The results were
        > > dramatic.
        > > Phytoplankton biomass increased 20-fold with the addition of iron,
        > > and the structure of the phytoplankton community also changed
        > > substantially. Our role in the project was to describe and understand
        > > the differential response of phytoplankton species to iron
        > > enrichment."
        > >
        >
        > Are you suggesting that it is strictly the conductive properties of
        > iron that are responsible for the phytoplankton bloom? I was under
        > the impression is was because of the fact that iron was a nutrient of
        > the phytoplankton. If it is strictly because of the conductivity,
        > then shouldn't the results be reproducible with another metal? For
        > example, copper should have the same effect.
        >
        >
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