Significance of biological nitrogen fixation and dentrification in a deciduous forest ecosystem. Todd, J. B. W. & B. W. Cornaby, R. L. 1975. Paper abstract bibtex Gaseous transformations of nitrogen were quantified in relation to other components of the nitrogen cycle of a mixed deciduous forest ecosystem at Coweeta. Rates and total annual amounts of nitrogen fixation and potential denitrification were measured for several components of the litter-soil subsystem of a mature oak-hickory forest. Highest rates of both processes were observed in leaf and woody litter, but highest totals occurred in the soil. Of the total nitrogen input, including that via bulk precipitation, biological fixation accounted for 75 percent. Potential denitrification losses exceeded stream-water losses by 200 times. Results show that consideration must be given to both levels of activity and total fluxes in any examination of the forest nitrogen cycle and that existing pools of nitrogen may not indicate the magnitude of gaseous transformations that are occurring.
@article{todd_significance_1975,
title = {Significance of biological nitrogen fixation and dentrification in a deciduous forest ecosystem.},
volume = {Augusta, GA. National Technical Information Service, Springfield, VA.},
url = {http://cwt33.ecology.uga.edu/publications/372.pdf},
abstract = {Gaseous transformations of nitrogen were quantified in relation to other components of the nitrogen cycle of a mixed deciduous forest ecosystem at Coweeta. Rates and total annual amounts of nitrogen fixation and potential denitrification were measured for several components of the litter-soil subsystem of a mature oak-hickory forest. Highest rates of both processes were observed in leaf and woody litter, but highest totals occurred in the soil. Of the total nitrogen input, including that via bulk precipitation, biological fixation accounted for 75 percent. Potential denitrification losses exceeded stream-water losses by 200 times. Results show that consideration must be given to both levels of activity and total fluxes in any examination of the forest nitrogen cycle and that existing pools of nitrogen may not indicate the magnitude of gaseous transformations that are occurring.},
author = {Todd, J. B. Waide, {and} B. W. Cornaby, R. L.},
year = {1975},
keywords = {CWT}
}
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