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

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).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1023/A:1020367818144
ISSNs: 0921-2728 (print)
Keywords: mountain lake, climate change, pollution, multi-proxy, paleolimnology, Slovenia, earthquakes

ePrint ID: 55644
Date :
Date Event
1 June 2002Published
Date Deposited: 04 Aug 2008
Last Modified: 16 Apr 2017 17:43
Further Information:Google Scholar

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