Dendroclimatic response of Picea mariana and Pinus banksiana along a latitudinal gradient in the eastern Canadian boreal forest. Hofgaard, A., Tardif, J., & Bergeron, Y. Canadian Journal of Forest Research, 29(9):1333–1346, September, 1999. 00133![Dendroclimatic response of Picea mariana and Pinus banksiana along a latitudinal gradient in the eastern Canadian boreal forest [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex To decipher spatial and temporal tree-growth responses to climate change we used tree-ring data from Picea mariana (Mill.) BSP and Pinus banksiana Lamb. along a latitudinal transect in western Quebec. The transect encompassed the distinct transition between mixed and coniferous forests at approximately 49°N. Correlation analyses and principal component analyses were used to identify common spatiotemporal growth patterns, and site- and species-specific patterns since 1825. A moist summer in the year t - 1 and an early start of the current growing season favored growth of both species. A prolongation of the growing season into fall was the most distinguishing factor between the species. A long and gradual climatic gradient shifted to a short gradient with a clear segregation between the southern and northern parts of the transect. This shift, around 1875, was abrupt and characterized by a turbulent climatic period. The observed pattern was likely related to a large-scale shift in the mean position of the Ar..., À l'aide d'une approche dendrochronologique, nous avons étudié les effets spatio-temporels des changements climatiques sur la croissance radiale de Picea mariana (Mill.) BSP et Pinus banksiana Lamb. selon un gradient latitudinal dans l'ouest du Québec. Le transect inclut, près du 49° de latitude N., une transition abrupte entre la forêt mixte et la forêt coniférienne. Des analyses de corrélations ainsi qu'en composantes principales sont utilisées pour mettre en évidence, depuis 1825, les patrons de croissance spatio-temporels communs, ainsi que les changements plus spécifiques aux sites et aux espèces. La croissance des deux espèces est favorisée par des étés humides à l'année t - 1 et par un début hâtif de la saison de croissance durant l'année courante. Un allongement de la période de croissance durant l'automne est le principal facteur qui distingue les deux espèces. Une transition climatique graduelle du sud au nord a fait place à un gradient plus court discriminant les portions sud et nord du transec...
@article{hofgaard_dendroclimatic_1999,
title = {Dendroclimatic response of {Picea} mariana and {Pinus} banksiana along a latitudinal gradient in the eastern {Canadian} boreal forest},
volume = {29},
issn = {0045-5067},
url = {http://www.nrcresearchpress.com/doi/abs/10.1139/x99-073},
doi = {10.1139/x99-073},
abstract = {To decipher spatial and temporal tree-growth responses to climate change we used tree-ring data from Picea mariana (Mill.) BSP and Pinus banksiana Lamb. along a latitudinal transect in western Quebec. The transect encompassed the distinct transition between mixed and coniferous forests at approximately 49°N. Correlation analyses and principal component analyses were used to identify common spatiotemporal growth patterns, and site- and species-specific patterns since 1825. A moist summer in the year t - 1 and an early start of the current growing season favored growth of both species. A prolongation of the growing season into fall was the most distinguishing factor between the species. A long and gradual climatic gradient shifted to a short gradient with a clear segregation between the southern and northern parts of the transect. This shift, around 1875, was abrupt and characterized by a turbulent climatic period. The observed pattern was likely related to a large-scale shift in the mean position of the Ar..., À l'aide d'une approche dendrochronologique, nous avons étudié les effets spatio-temporels des changements climatiques sur la croissance radiale de Picea mariana (Mill.) BSP et Pinus banksiana Lamb. selon un gradient latitudinal dans l'ouest du Québec. Le transect inclut, près du 49° de latitude N., une transition abrupte entre la forêt mixte et la forêt coniférienne. Des analyses de corrélations ainsi qu'en composantes principales sont utilisées pour mettre en évidence, depuis 1825, les patrons de croissance spatio-temporels communs, ainsi que les changements plus spécifiques aux sites et aux espèces. La croissance des deux espèces est favorisée par des étés humides à l'année t - 1 et par un début hâtif de la saison de croissance durant l'année courante. Un allongement de la période de croissance durant l'automne est le principal facteur qui distingue les deux espèces. Une transition climatique graduelle du sud au nord a fait place à un gradient plus court discriminant les portions sud et nord du transec...},
number = {9},
urldate = {2018-06-08},
journal = {Canadian Journal of Forest Research},
author = {Hofgaard, Annika and Tardif, Jacques and Bergeron, Yves},
month = sep,
year = {1999},
note = {00133},
keywords = {\#nosource},
pages = {1333--1346},
}
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Correlation analyses and principal component analyses were used to identify common spatiotemporal growth patterns, and site- and species-specific patterns since 1825. A moist summer in the year t - 1 and an early start of the current growing season favored growth of both species. A prolongation of the growing season into fall was the most distinguishing factor between the species. A long and gradual climatic gradient shifted to a short gradient with a clear segregation between the southern and northern parts of the transect. This shift, around 1875, was abrupt and characterized by a turbulent climatic period. The observed pattern was likely related to a large-scale shift in the mean position of the Ar..., À l'aide d'une approche dendrochronologique, nous avons étudié les effets spatio-temporels des changements climatiques sur la croissance radiale de Picea mariana (Mill.) BSP et Pinus banksiana Lamb. selon un gradient latitudinal dans l'ouest du Québec. 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