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Type of publication: conference paper
Type of publication (PDB): Konferencijų tezės nerecenzuojamuose leidiniuose / Conference theses in non-peer-reviewed publications (T2)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Augustaitis, Algirdas;Danusevičius, Darius;Kliučius, Almantas;Marozas, Vitas;Mozgeris, Gintautas;Linkevičius, Edgaras;Augustaitienė, Ingrida;Kavaliauskas, Darius;Plaušinytė, Erika
Title: The role of genetic diversity and inbreeding of Scots pine stands surviving the effect of unfavourable environmental factors under the presses of climate changes: 3 steps Lithuanian case studies
Is part of: Global Challenges of Air Pollution and Climate Change to Forests [elektroninis išteklius] : International Congress : programme and abstracts, 1-5 June, 2015, Nice, France / International Union of Forest Research Organizations. Nice, 2015
Extent: p. 121
Date: 2015
Abstract: Genetic diversity of tree populations most likely play a key role in tolerating the forest pest attacks, air pollution including surface ozone, and acid deposition induced damage when more diverse genotypes better tolerate these stresses than the less diverse genotypes. Therefore in the presented study we attempted to detected variation in the genetic diversity and inbreeding of Scots pine population in Lithuania surviving attacks of needle eating forest pests and high level of local environmental pollution under the presses of climate change. To genotype 150-200 sample trees with highly polymorphic nuclear SSR markers multiplexed with EST SSRs in each stand were chosen. 12 nuclear microsatellite loci were studied. DNA was extracted from wood using the ATMAB-method. Tree resistance to the unfavourable environmental factors was detected by applying long-term data set on tree crown defoliation and stem increment dendrochronology. The objective of the I case study was to detect genetic diversity and inbreeding of 3 Scots pine populations growing in different regions of Lithuania surviving the effect of unfavourable climatic condition, regional pollution load of acidifying compounds and surface ozone. The obtained data revealed that tree competition indices have more significant effect on tree condition and productivity than their genotype and inbreeding. The objective of the II case study was to detect the role of the genetic diversity and inbreeding of 3 Sots pine stands located at different distances from nitrogen fertilizer plant “Achema” surviving the changes in emission load from high to low level under the presses of climate changes. The obtained data showed no consistent trend in inbreeding shift when moving from the nitrogen fertiliser plant. However the stands with high inbreeding level were more damaged by the emissions than those with lower level of inbreeding
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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