Changing climatic sensitivities of two spruce species across a moisture gradient in Northeastern Canada

Banfield, 1998, Regional patterns of temperature and precipitation for Newfoundland and Labrador during the past century, The Canadian Geographer, 42, 354, 10.1111/j.1541-0064.1998.tb01351.x Boulanger, 2004, Spruce budworm outbreaks in eastern Quebec over the last 450 years, Canadian Journal of Forest Research, 34, 1035, 10.1139/x03-269 Briffa, 1998, Reduced sensitivity of recent tree-growth to temperature at high northern latitudes, Nature, 391, 678, 10.1038/35596 Carrer, 2006, Long-term change in the sensitivity of tree-ring growth to climate forcing in Larix decidua, New Phytologist, 170, 861, 10.1111/j.1469-8137.2006.01703.x Cook, E.R., 1985. A time-series analysis approach to tree-ring standardization. Dissertation, University of Arizona, Tucson. D’Arrigo, 2008, On the ‘Divergence problem’ in northern forests: a review of the tree-ring evidence and possible causes, Global and Planetary Change, 60, 289, 10.1016/j.gloplacha.2007.03.004 Environment Canada climate data online, 2008. http://climate.weatheroffice.ec.gc.ca/. Fritts, 1976 Guay, R., Gagnon, R., Morin, H., 1992. MacDendro, a new automatic and interactive tree-ring measurement system based on image processing. In: Bartholin, T.S., Berglund, B.E., Eckstein, D., Schweingruber, F.H., Eggertsson, O. (Eds.), Tree-Rings and Environment: Proceedings of the International Symposium, Ystad, South Sweden, 3–9 September, 1990, Lund University, Department of Quaternary Geology. Lundqua Report 34, 128–131. Haugen, 1967, Tree ring indices: a circumpolar comparison, Nature, 158, 773 Holmes, 1983, Computer-assisted quality control in tree-ring dating and measurement, Tree-Ring Bulletin, 43, 69 Jacoby, 1995, Tree ring width and density evidence of climatic and potential forest change in Alaska, Global Biogeochemical Cycles, 9, 227, 10.1029/95GB00321 Kulman, 1971, Effects of defoliation on growth and mortality of trees, Annual Reviews of Entomology, 16, 289, 10.1146/annurev.en.16.010171.001445 Meades, 1989 Nishimura, P.H., 2009. Dendroclimatology, dendroecology and climate change in western Labrador, Canada. Dissertation, Mount Allison University. Oberhuber, 2008, Long-term changes in tree-ring-climate relationships at Mt. Patscherkofel (Tyrol, Austria) since the mid-1980s, Trees, 22, 31, 10.1007/s00468-007-0166-7 Payette, 2007, Contrasted dynamics of northern Labrador tree lines caused by climate change and migrational lag, Ecology, 88, 770, 10.1890/06-0265 Schweingruber, 1993, A tree ring densiometric transect from Alaska to Labrador. Comparison of tree ring width and maximum latewood density chronologies in the conifer belt of northern North America, International Journal of Biometeorology, 37, 151, 10.1007/BF01212625 Stokes, 1968 Trindade, M., 2009. On the spatio-temporal radial growth response of four alpine treeline species to climate across central Labrador, Canada. Dissertation, Memorial University. Wilmking, 2008, Changing climate sensitivity of black spruce (Picea mariana Mill.) in a peatland-forest landscape in Interior Alaska, Dendrochronologia, 25, 167, 10.1016/j.dendro.2007.04.003