Tree rings of Pinus nigra from the Vienna basin region (Austria) show evidence of change in climatic sensitivity in the late 20th century

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Show simple item record Leal, S Eamus, D Grabner, M Wimmer, R Cherubini, P 2010-05-28T09:46:13Z 2008-04
dc.identifier.citation Canadian Journal of Forest Research, 2008, 38 (4), pp. 744 - 759
dc.identifier.issn 0045-5067
dc.identifier.other C1 en_US
dc.description.abstract The width of tree rings of Pinus nigra Arn. trees growing near the ecological limits for the species, in the Vienna basin, Austria, showed a strong and positive correlation with spring-summer precipitation, indicating a dependence of growth on water availability during the growing season. During the late 20th century, tree rings grew wider than expected given the predicted relationship between rainfall and growth rate observed in the early 20th century. This resulted in models of the relationship between climate and growth rate systematically overestimating the total spring-summer (April-July) precipitation over the last half of the 20th century. Analysis of the temporal stability of the relationship between tree growth and climate variables shows a decrease in the sensitivity of the growth of tree rings to spring-summer precipitation towards the end of the 20th century. This change in sensitivity suggests that tree growth was no longer primarily dependent on water availability. We propose that there was an improvement in water-use efficiency arising from a stimulation of photosynthesis and declining stomatal conductance as a consequence of the increasing CO2 concentration in the atmosphere and that this effect was enhanced by a relatively high input of N due to the proximity of N emission sources. © 2008 NRC.
dc.language eng
dc.relation.isbasedon 10.1139/X07-189
dc.title Tree rings of Pinus nigra from the Vienna basin region (Austria) show evidence of change in climatic sensitivity in the late 20th century
dc.type Journal Article
dc.parent Canadian Journal of Forest Research
dc.journal.volume 4
dc.journal.volume 38
dc.journal.number 4 en_US
dc.publocation Ottawa en_US
dc.identifier.startpage 744 en_US
dc.identifier.endpage 759 en_US SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 0705 Forestry Sciences
dc.personcode 000006
dc.percentage 100 en_US Forestry Sciences en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US en_US
dc.location.activity ISI:000256119600010 en_US
dc.description.keywords Elevated Co2; Growth Trends; Forest Ecosystems; Carbon-Dioxide; Picea-Abies; Drought; Spruce; Temperature; Nitrogen; Site en_US
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Faculty of Science/School of the Environment

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