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Synthesis of Nitrogen Pools and Fluxes from European Forest Ecosystems

Title data

Dise, Nancy ; Matzner, Egbert ; Gundersen, Per:
Synthesis of Nitrogen Pools and Fluxes from European Forest Ecosystems.
In: Water, Air, & Soil Pollution. Vol. 105 (1998) Issue 1-2 . - pp. 143-154.
ISSN 0049-6979
DOI: https://doi.org/10.1023/A:1005068501864

Abstract in another language

To investigate which ecosystem parameters determine the risk and magnitude of nitrate leaching we compiled data from published and unpublished sources on dissolved inorganic nitrogen (DIN: NO3- + NH4+) in throughfall, DIN leaching loss in runoff or seepage water, and other ecosystem characteristics from 139 European forests. Not all data were available for all sites: 126 sites had at least one year's data on DIN inputs in throughfall range between -1yr-1 and the losses with seepage or runoff range between -1 yr-1. Retention of N within the ecosystem increases with increasing DIN deposition and increasing proportion of NH4+ in deposition. The amount of N in needles and litterfall shows a significant linear relationship with throughfall deposition of DIN, whereas the C:N ratio of the organic (OH) horizon is uncorrelated to the level of throughfall-DIN flux. About 50 % of the variability in DIN leaching loss can be explained by the flux of DIN in throughfall. Alternatively, about 60 % of the variability in DIN leaching loss can be explained in a two-variable multiple regression combining the C:N ration of the organic soil and the pH of the mineral soil. The survey data suggest that leaching of DIN from forest ecosystems in Europe is related in part to current DIN deposition and in part to the longer-term internal ecosystem N status as reflected in the chemistry of the humus and acidification status of the soil.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7190
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 07 Aug 2015 07:00
Last Modified: 23 Mar 2016 09:48
URI: https://eref.uni-bayreuth.de/id/eprint/17818