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Creator:: Klasek, Scott A.
Abstract:: Marine sediments are vast sources and reservoirs of methane, a potent greenhouse gas. Most of this methane is anaerobically oxidized by archaea before it can reach the overlying ocean, though the efficiency of this process often depends on methane fluxes and mechanisms of fluid transport. Anaerobic methanotrophic archaea, or ANME,...
Resource Type:: Dissertation
Full Text:: : ____________________________________________________________ Frederick S. Colwell Abstract Marine sediments are vast sources and reservoirs of methane

Creator:: Buser, Jessica Z.
Abstract:: Freshwater systems cycle carbon along a spatial and temporal biogeochemical continuum, across which ecosystem processes contribute to transformations of organic matter (OM). Various ecological constraints impact rates OM transformation and production and consumption of the energetic end of respiration, methane. Microbiological processing and complete reduction of carbon substrates to methane...
Resource Type:: Dissertation
Full Text:: Anthropocene Abstract approved: ______________________________________________________ Frederick S

Creator:: Bertagnolli, Anthony D.
Abstract:: Continental shelves located along eastern boundary currents occupy relatively small volumes of the world’s oceans, yet are responsible for a large proportion of global primary production. The Oregon coast is among these ecosystems. Recent analyses of dissolved oxygen at shallow depths in the water column has suggested increasing episodes of...
Resource Type:: Dissertation
Full Text:: . Giovannoni, Dr. Peter J. Bottomley, Dr. Frederick Cowell, Dr. Allen Milligan and Dr. Kaichang Li Past and

Creator:: Albright, Lawrence John
Abstract:: The marine psychrophilic bacterium Vibrio marinus MP-4 possessed a maximum temperature and hydrostatic pressure of 20 C and 425 atm for growth. The effects of temperatures of 21 and 25 C and hydrostatic pressures of 200, 400, 500, and 1,000 atm on protein, RNA and DNA synthesis by V. marinus...
Resource Type:: Dissertation
Full Text:: ). The organism was subsequently identified by Colwell and Morita as Vibrio marinus MP -4 (5). The

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