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Projects / Programmes source: ARIS

Biogeochemical cycling of carbon, nitrogen and sulphur in eutrophic lakes

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Research activity

Code Science Field Subfield
1.06.04  Natural sciences and mathematics  Geology  Geochemistry 

Code Science Field
P005  Natural sciences and mathematics  Geology, physical geography 
P420  Natural sciences and mathematics  Petrology, mineralogy, geochemistry 
Keywords
eutrophication, pollution, lakes, sediments, carbon, nitrogen, sulphur, stable isotopes
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (2)
no. Code Name and surname Research area Role Period No. of publications
1.  18290  PhD Polona Vreča  Geology  Head  2002 - 2004  699 
2.  15729  Stojan Žigon    Researcher  2002 - 2004  315 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,649 
Abstract
The proposed research project will give us a better understanding of natural processes, especially those relating the carbon, nitrogen and sulphur cycling in lakes that represent the basis for understanding of global environmental and climatic changes. Lake sediments can provide important historical information on changes that affected situation and quality of aquatic ecosystem. Stable isotopes of carbon, nitrogen and sulphur are important indicators of temporal changes in fluxes or cycles of carbon, nitrogen and sulphur compounds. The purpose of this project is to provide new data for reconstruction of paleoproductivity, input and accumulation of C, N and S in the sediment, and anthropogenic impact on eutrophication processes in remote protected areas (Triglav National Park). Combination of chemical and isotopic analyses will enable us to gain data that will be used in modelling for quantification of element cycles. In a selected eutrophic alpine lake, that represents due to its smallness a model environment where the input and output parameters can be controlled, important biogeochemical processes (methanogenesis, nitrate and sulphate reduction) will be studied. Investigations in some other alpine lakes (oligotrophic, mesotrophic) will be done for comparison too. Results of the project will be used for study of C, N, S cycles in bigger sedimentary basins with similar conditions.
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