Cyclic Conversions in the Nitrogen Cycle
نویسندگان
چکیده
منابع مشابه
The Global Nitrogen Cycle
The geobiology of nitrogen is dominated by large inert reservoirs and small biological fluxes. The largest reservoirs are nitrogen gas (in the atmosphere and dissolved in the ocean) and sedimentary nitrogen (sequestered in continental crust). Because most organisms cannot utilize gaseous nitrogen, we distinguish between fixed nitrogen compounds (which contain no N–N bonds) that are biologically...
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In a recent preprint, Bestvina, Bux, and Margalit construct a cell complex that gives a combinatorial model for the collection of isotopy classes of oriented curve systems within a given homology class in a closed orientable surface [BBM]. A key property of the complex is that it is contractible. Here we will construct a different complex, this one a simplicial complex rather than a cell comple...
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ژورنال
عنوان ژورنال: Frontiers in Microbiology
سال: 2021
ISSN: 1664-302X
DOI: 10.3389/fmicb.2021.622504