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Carbon and Nitrogen Stable Isotope Fractionation in the Sediment of Lake Bled (Slovenia) (1997)

Lojen, S. ; Ogrinc, N. ; Dolenec, T.

Springer

Water, air & soil pollution 99 (1997), S. 315-323

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ISSN: 1573-2932

Keywords: lake ; sediment ; carbon ; nitrogen ; stable isotope ; fractionation

Source: Springer Online Journal Archives 1860-2000

Topics: Energy, Environment Protection, Nuclear Power Engineering

Notes: Abstract Stable isotope composition of carbon and nitrogen in the sediment and pore water of a eutrophic freshwater lake was studied. Based on changes in the δ13C and δ15N values of dissolved components and sediment fraction, possible processes involved in the decomposition of sedimentary organic matter are outlined. The relative importance of acetate fermentation and CO2 reduction was estimated using known mathematical models, and ammonia assimilation by methanogenic bacteria is hypothesised to be the main process governing the isotope fractionation of dissolved nitrogen in pore water.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1018354415109

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