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Estimated nitrogen concentrations in humus as based on initial nitrogen concentrations in foliar litter : a synthesis. XII. Long-term decomposition in a Scots pine forest

Title data

Berg, Björn ; Laskowski, Ryszard ; Virzo de Santo, Amalia:
Estimated nitrogen concentrations in humus as based on initial nitrogen concentrations in foliar litter : a synthesis. XII. Long-term decomposition in a Scots pine forest.
In: Canadian Journal of Botany. Vol. 77 (1999) Issue 12 . - pp. 1712-1722.
ISSN 1480-3305
DOI: https://doi.org/10.1139/b99-141

Abstract in another language

The final (limit) values for litter decomposition were estimated and, by extrapolating a linear relationship between accumulated litter mass loss and litter N concentration, the N concentration at the limit value (Nlimit) was estimated. The values for Nlimit were compared with those of the A01 layer (Nhumus) and of newly shed litter (Ninit). No difference was found between the A01 and A02 layers when their N concentrations were compared with the values for Nlimit. There was a highly significant linear relationship between Nlimit and Ninit (R2 = 0.769 and p < 0.001). Likewise, there was a highly significant linear relationship between Nhumus and Ninit. When these two linear relationships were compared, there was no significant difference in slope, while there was a significant difference in the intercepts of 6.76 and 7.25 mg·g-1 for Nhumus and Ninit, respectively. Thus, for a given site in our investigation, the estimated value for N concentration in humus would be 6.8% lower than the measured one.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7340
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
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: 09 Oct 2015 05:56
Last Modified: 09 Oct 2015 05:56
URI: https://eref.uni-bayreuth.de/id/eprint/20296