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Projects / Programmes source: ARIS

Biogeochemical cycling of carbon and nitrogen in eutrophic lakes

Research activity

Code Science Field Subfield
1.06.00  Natural sciences and mathematics  Geology   

Code Science Field
P005  Natural sciences and mathematics  Geology, physical geography 
P420  Natural sciences and mathematics  Petrology, mineralogy, geochemistry 
Keywords
eutrophic lakes, carbon cycling, nitrogen cycling, organic matter, human impact, paleoecology, Alps
Evaluation (rules)
source: COBISS
Researchers (5)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  05249  PhD Jadran Faganeli  Control and care of the environment  Researcher  2004 - 2007  580 
2.  15814  PhD Jože Kotnik  Geology  Researcher  2004 - 2007  389 
3.  18546  PhD Gregor Muri  Public health (occupational safety)  Researcher  2004 - 2007  99 
4.  18290  PhD Polona Vreča  Geology  Head  2004 - 2007  702 
5.  15729  Stojan Žigon    Technical associate  2004 - 2007  318 
Organisations (2)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0105  National Institute of Biology  Ljubljana  5055784  13,468 
2.  0106  Jožef Stefan Institute  Ljubljana  5051606000  91,936 
Abstract
The proposed research project will give us a better understanding of natural processes, especially those relating the carbon and nitrogen 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 and nitrogen are important indicators of temporal changes in fluxes or cycles of carbon and nitrogen compounds. The purpose of this project is to provide new data for reconstruction of paleoproductivity, input and accumulation of C and N in the sediment, and anthropogenic impact on carbon and nitrogen cycling in selected eutrophic lake in remote protected area of Triglav National Park. Combination of litostratigrafic, hydrologic and tectonic investigations together with chemical and isotopic analyses will enable us to gain data that will be used in modelling for quantification of element cycles. In selected alpine lake (Jezero na Planini pri Jezeru), that represents due to its smallness a model environment where the input and output parameters can be controlled, important biogeochemical processes will be studied. Results of the project will be used for study of C and N cycles in bigger sedimentary basins with similar conditions (e.g. Lake Bled).
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