NicaultBoucherTapsobaEtAl2015

Référence

Nicault, A., Boucher, E., Tapsoba, D., Arseneault, D., Berninger, F., Begin, C., DesGranges, J.L., Guiot, J., Marion, J., Wicha, S., Begin, Y. (2015) Spatial analysis of black spruce (Picea mariana (Mill.) B.S.P.) radial growth response to climate in northern Quebec's Labrador Peninsula, Canada. Canadian Journal of Forest Research, 45(3):343-352. (Scopus )

Résumé

The aim of this study is to analyze the relationships between black spruce (Picea mariana (Mill.) B.S.P.) growth and climate at a large spatial scale in North America's northeastern boreal forest. The study area (approximately 700 000 km2) is located in the taiga zone of the Quebec's Labrador Peninsula. A network of tree-ring chronologies from 93 black spruce populations was developed. A hierarchical cluster analysis was conducted to analyze tree-ring series affinities, and response functions were calculated to analyze relationships between tree rings and climate. The cluster analysis results showed wellmarked spatial affinities among the tree-ring series. These affinities were strongly linked with the spatial variability of the relationships between tree rings and climate. The interannual growth variations were governed mainly by the temperature variables that preceded the growing season (November (negative influence), December–January (positive influence), and April (positive influence)). The growing-season temperature (July temperature) mainly influenced the northernmost populations. Relationships between tree rings and climate in the northeastern boreal forest varied at a large spatial scale. This variability was expressed by a north–south contrast, which appears to be related to a temperature gradient, and an east–west contrast linked to a humidity gradient, which favors winter snow cover. © 2015, National Research Council of Canada. All rights reserved.

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@ARTICLE { NicaultBoucherTapsobaEtAl2015,
    AUTHOR = { Nicault, A. and Boucher, E. and Tapsoba, D. and Arseneault, D. and Berninger, F. and Begin, C. and DesGranges, J.L. and Guiot, J. and Marion, J. and Wicha, S. and Begin, Y. },
    TITLE = { Spatial analysis of black spruce (Picea mariana (Mill.) B.S.P.) radial growth response to climate in northern Quebec's Labrador Peninsula, Canada },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2015 },
    VOLUME = { 45 },
    PAGES = { 343-352 },
    NUMBER = { 3 },
    NOTE = { cited By 0 },
    ABSTRACT = { The aim of this study is to analyze the relationships between black spruce (Picea mariana (Mill.) B.S.P.) growth and climate at a large spatial scale in North America's northeastern boreal forest. The study area (approximately 700 000 km2) is located in the taiga zone of the Quebec's Labrador Peninsula. A network of tree-ring chronologies from 93 black spruce populations was developed. A hierarchical cluster analysis was conducted to analyze tree-ring series affinities, and response functions were calculated to analyze relationships between tree rings and climate. The cluster analysis results showed wellmarked spatial affinities among the tree-ring series. These affinities were strongly linked with the spatial variability of the relationships between tree rings and climate. The interannual growth variations were governed mainly by the temperature variables that preceded the growing season (November (negative influence), December–January (positive influence), and April (positive influence)). The growing-season temperature (July temperature) mainly influenced the northernmost populations. Relationships between tree rings and climate in the northeastern boreal forest varied at a large spatial scale. This variability was expressed by a north–south contrast, which appears to be related to a temperature gradient, and an east–west contrast linked to a humidity gradient, which favors winter snow cover. © 2015, National Research Council of Canada. All rights reserved. },
    AUTHOR_KEYWORDS = { Black spruce; Dendroecology; Labrador peninsula; Quebec; Relationships between tree rings and climate; Spatial variability; Taiga },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/cjfr-2014-0080 },
    KEYWORDS = { Cluster analysis; Hierarchical systems; Snow, Black spruce; Dendroecology; Labrador peninsula; Quebec; Spatial variability; Taiga; Tree rings, Forestry, boreal forest; coniferous forest; dendroecology; growing season; growth response; humidity; plantation forestry; spatial analysis; spatial variation; temperature gradient; tree ring, Climates; Forests; Picea Mariana, Canada; Labrador; Newfoundland and Labrador; Quebec [Canada], Picea mariana },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84924047066&partnerID=40&md5=c023880078178f16cbe3e300fe2abbb5 },
}

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