Niche occupation of anammox bacteria in the eastern tropical North Pacific

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Niche occupation of anammox bacteria in the eastern tropical North Pacific

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dc.contributor.author Thomson, Annie Eleanor
dc.date.accessioned 2012-10-08T19:30:47Z
dc.date.available 2012-10-08T19:30:47Z
dc.date.issued 2012-06
dc.identifier.uri http://hdl.handle.net/1773/20921
dc.description Senior thesis written for Oceanography 444 en_US
dc.description.abstract [Author's abstract] Nitrogen is a limiting nutrient controlling oceanic primary production and important to the global carbon cycle. Consequently the nitrogen cycle is important to understanding how the oceans will react to climate change in respect to the biological pump. Oxygen Minimum Zones (OMZs) are areas of the ocean characterized by low oxygen levels and areas with high rates of nitrogen removal. OMZs are expected to grow in the future, possibly increasing nitrogen removal from the ocean (Paulmier and Ruiz-Pino. 2008). The OMZ in the Eastern Tropical North Pacific (ETNP) is the largest OMZ in the world, running from 0°-25° N with a core ranging in depths from 280m to 850m (Paulmier and Ruiz-Pino. 2008). Anaerobic ammonium oxidizing (anammox) bacteria are of particular interest in the OMZs because of their ability to autotrophically convert fixed nitrogen in the form of ammonia (NH4+) and nitrite (NO2-) into N2 gas, which is a state unavailable to most biology. Anammox bacteria were found on 0.2ìm and 30ìm filters, suggesting the ability of anammox bacteria to live within anoxic microniches of particles and also as free floating bacteria in the ETNP. en_US
dc.language.iso en_US en_US
dc.relation.ispartofseries Proceedings from the University of Washington School of Oceanography Senior Thesis, Academic Year 2011-2012;
dc.subject Nitrogen-Fixation en_US
dc.subject Marine bacteria-Sampling-Eastern Tropical North Pacific en_US
dc.title Niche occupation of anammox bacteria in the eastern tropical North Pacific en_US
dc.type Article en_US


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