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Forest Science Database

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Abstract

Investigation of pine (Pinus sylvestris) annual radial increment (width of annual tree rings) was carried out in the surroundings of one of the largest pollution sources in Lithuania - Jonava Nitrogen Fertilizers Plant. The factory started production in 1965 and emissions of pollution peaked in...

Author(s)
Juknys, R.; Stravinskiene, V.; Vencloviene, J.
Publisher
Kluwer Academic Publishers, Dordrecht, Netherlands
Citation
Environmental Monitoring and Assessment, 2002, 77, 1, pp 81-97
Abstract

Concentrations of tritium (3H) and radiocarbon (14C) were determined in pine (Pinus sylvestris) cores, covering the period 1950-95, sampled from trees 0.5, 30 and 200 km from the Ignalina NPP [nuclear power plant] in Lithuania. The method of analysis is described in some detail. Results showed the...

Author(s)
Petrosius, R.; Davainis, G.; Daukantas, A.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1988, Kaunas, Lithuania., 1998, pp 277-287
Abstract

A master ring-width chronology of Scots pine (Pinus sylvestris) has been constructed for southeastern Finland. The research area covers a region surrounding the central parts of the Lake Saimaa basin, between 29°-30°E. and 61°-62°N. At present the chronology covers the last 1250 years, from 743 to...

Author(s)
Lindholm, M.; Meriläinen, J.; Timonen, M.; Eronen, M.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1988, Kaunas, Lithuania., 1998, pp 271-276
Abstract

A geographical network of averaged series of tree ring widths in Estonia was developed, based on borer cores from timber of historical churches and other old buildings. The network consists of two subsets, based on spruce (Picea abies) and pine (Pinus sylvestris) samples, respectively. In spite of...

Author(s)
Läänelaid, A.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1988, Kaunas, Lithuania., 1998, pp 264-270
Abstract

More than 300 subfossil wood samples were taken from Aukstoji Plynia peat bog (Sakiai district, Lithuania) to form long-term tree ring series of pine (Pinus sylvestris). Primary visual and mathematical radial growth synchronization of samples, dating coefficient (r) of correlation and criterion (...

Author(s)
Karpavicius, J.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1988, Kaunas, Lithuania., 1998, pp 254-263
Abstract

Results are presented of autocorrelation, spectral and harmonic analysis of time series of Scots pine [Pinus sylvestris] tree rings and different external factors (average monthly temperatures, precipitation, solar activity) and relations between them. Taking into account the rather weak...

Author(s)
Juknys, R.; Vencloviene, J.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1988, Kaunas, Lithuania., 1998, pp 237-249
Abstract

An analysis was undertaken of Lithuanian dendroscales spanning 134-175 and 867 years: two dendroscales of pine [Pinus] growing on Vaccinium-myrtillus sites of normal moisture, a dendroscale of spruce [Picea] stands growing on moist Caricoso-sphagnosum sites, and one of Larix sibirica growing at the ...

Author(s)
Kairiukstis, L.; Vencloviene, J.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1998, Kaunas, Lithuania., 1998, pp 178-189
Abstract

Investigations were carried out in 3 injured Scots pine [Pinus sylvestris] stands at different distances from a source of pollution in Lithuania using different methods for assessing anthropogenic changes in tree increment.

Author(s)
Juknys, R.; Jancys, E.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1998, Kaunas, Lithuania., 1998, pp 169-177
Abstract

The main aim of forest monitoring in protected areas is to determine and predict the condition of forest ecosystems and their changes with respect to the regional variation and impact of air pollutants. Scots pine (Pinus sylvestris) is one of the most sensitive species for pollution in Lithuania...

Author(s)
Augustaitis, A.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1998, Kaunas, Lithuania., 1998, pp 151-159
Abstract

When growing conditions temporarily become severe before the end of the season, cells with smaller sizes are formed and with the return of more favourable condition, the subsequently formed cells are again larger with thinner walls. The resulting bands within the growth layer are called...

Author(s)
Wimmer, R.; Strumia, G.
Publisher
Vytautas Magnus University, Vileikos 8, Lithuania
Citation
Proceedings of the international conference: Dendrochronology and environmental trends, 17-21 June, 1998, Kaunas, Lithuania., 1998, pp 139-147

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