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Lake Jezero v Ledvici (NW Slovenia)- changes in sediment records over the last two centuries

Record type: Article

Lake Jezero v Ledvici (NW Slovenia) is a 14 m deep mountain lake at an elevation of 1860 m, situated on limestone bedrock. It is an oligotrophic, alkaline and hard-water lake with a transparency of about 14 m and has suffered several times over recent centuries from strong earthquakes. In 1996 five sediment cores, between 35 and 45 cm long, were collected from the deepest part of the lake and analysed to reconstruct environmental changes over the last few centuries. The data indicate changes induced by pollution and climate change during the last two centuries similar to those in other European mountain and remote lakes. However, at this site earthquakes have also affected the lake and partly obscure the interpretation of the sediment record. From 1780 to 1890, sediment records show low abundance of diatoms and relatively high abundance of Cladocera. After 1890, the number of diatoms started to increase coinciding with a strong earthquake. From the beginning of the 20th century, concentrations of spheroidal carbonaceous particles (SCP), diatom valves and head capsules of chironomids gradually increased whilst in Cladocera the main difference observed was a change in the proportion of benthic taxa. After 1960, in parallel with a rise in air temperature, a further increase in accumulation rate of diatoms started, but there was a decrease in Cladocera.

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Citation

Brancelj, A., Sˇisˇko, M., Muri, G., Appleby, P., Lami, A., Shilland, E., Rose, N.L., Kamenik, C., Brooks, S.J. and Dearing, J. A. (2002) Lake Jezero v Ledvici (NW Slovenia)- changes in sediment records over the last two centuries Journal of Paleolimnology, 28, (1), pp. 47-58. (doi:10.1023/A:1020367818144).

More information

Published date: 1 June 2002
Keywords: mountain lake, climate change, pollution, multi-proxy, paleolimnology, Slovenia, earthquakes

Identifiers

Local EPrints ID: 55644
URI: http://eprints.soton.ac.uk/id/eprint/55644
ISSN: 0921-2728
PURE UUID: 3f66d844-5058-4ac3-9eab-301d502b8bd0
ORCID for J. A. Dearing: ORCID iD orcid.org/0000-0002-1466-9640

Catalogue record

Date deposited: 04 Aug 2008
Last modified: 17 Jul 2017 14:32

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Contributors

Author: A. Brancelj
Author: M. Sˇisˇko
Author: G. Muri
Author: P. Appleby
Author: A. Lami
Author: E. Shilland
Author: N.L. Rose
Author: C. Kamenik
Author: S.J. Brooks
Author: J. A. Dearing ORCID iD

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