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Limit values for plant litter decomposing in two contrasting soils - influence of litter elemental composition

Title data

Berg, Björn ; Virzo de Santo, Amalia ; Rutigliano, Flora Angela ; Fierro, Angelo ; Ekbohm, Gunnar:
Limit values for plant litter decomposing in two contrasting soils - influence of litter elemental composition.
In: Acta Oecologica. Vol. 24 (2003) Issue 5-6 . - pp. 295-302.
ISSN 1146-609x
DOI: https://doi.org/10.1016/j.actao.2003.08.002

Abstract in another language

The decomposition dynamics of four types of needle litter and three types of leaf litter were followed for 3 years at two very contrasting coniferous forest systems, a nutrient-rich silver fir (Abies alba Mill.) forest in south Italy (Monte Taburno) and a nutrient-poor Scots pine (Pinus sylvestris L.) forest in central Sweden (Jädraås). Decomposition of the same litter type at the two sites did not differ in the early stages but proceeded further at the nutrient-rich forest site than at the nutrient-poor one. Limit values for decomposition were calculated and the differences for the same litter type between the two contrasting coniferous systems were investigated. At both sites six of the seven litter types gave significant (asymptotic) limit values for decomposition, which varied with litter type. For four litter types out of six the limit values differed significantly between the two sites and were always higher at the nutrient-rich site (Monte Taburno). Using all available data for litters incubated at the two sites revealed that at the nutrient-poor site (Jädraås) there was a significant negative relationship between litter N levels and limit values and there was also a significant negative relationship between initial concentrations of heavy metals (e.g. Zn, Cd, Cu) and limit values. In contrast, at the site Monte Taburno, rich in nutrients and in heavy metals, there was no such relationship. Author Keywords: Litter; Decomposition; Nutrients; Heavy metals; Limit value; Humic surface horizon

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER9539
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/20242