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  • Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

    Creator:
    White, Angelicque E.
    Abstract:
    The biological transformation of dinitrogen gas (N2) into combined forms(termed N2 fixation) by certain genera of oceanic cyanobacteria represents the largest incoming flux of nitrogen to the global ocean. As such, biological nitrogen fixation plays a significant role in the regulation of oceanic productivity and the export of carbon and...
    Resource Type:
    Dissertation
    Full Text:
    : _____________________________________________________________________ Ricardo M. Letelier Yvette H. Spitz The biological

  • Seconds to hour scale photosynthetic responses in marine microalgae

    Creator:
    Laney, Samuel R.
    Abstract:
    Our view of phytoplankton has historically revolved around their inability to control their location in space. The term phytoplankton itself underscores this particular difference between phytoplankton and their sessile terrestrial counterparts. Yet there are other differences between land plants and the phytoplankton that are perhaps equally important, beyond this sessile-planktonic...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: _____________________________________________________________________ Ricardo M

  • Primary production dynamics in the North Pacific subtropical gyre

    Creator:
    Corno, Guido
    Abstract:
    The North Pacific subtropical gyre (NPSG), once considered to be a biological desert due to low primary production (PP) and its associated variability, has been found more productive and variable than previously thought. The environmental conditions controlling this relatively high PP variability are yet to be elucidated, despite important implications...
    Resource Type:
    Dissertation
    Full Text:
    : _____________________________________________________________________ Mark R. Abbott, Ricardo M. Letelier The North Pacific subtropical gyre (NPSG), once