References
Allona, I., Ramos, A., Ibáñez, C., Contreras, R., Casado, R., & Aragoncillo, C. (2008). Review. molecular control of winter dormancy establishment in trees. Spanish Journal of Agricultural Research= Revista De Investigación Agraria, 6(SPECIAL), 201-210.
Beaubien, E. G., & Freeland, H. J. (2000). Spring phenology trends in alberta, canada: Links to ocean temperature. International Journal of Biometeorology, 44(2), 53-59.
Chuine, I., & Beaubien, E. G. (2001). Phenology is a major determinant of tree species range. Ecology Letters, 4(5), 500-510.
Environmental Systems Research Institute (ESRI). (2009). ArcGIS desktop help 9.3, including 9.3.1. Retrieved December 18, 2009, from http://webhelp.esri.com/arcgisdesktop/9.3
Lechowicz, M. J. (1984). Why do temperate deciduous trees leaf out at different times? adaptation and ecology of forest communities. American Naturalist, 124(6), 821.
Li, H., Wang, X., Hamann, A. (2010). Genetic adaptation of aspen populations to spring risk environments: A novel remote sensing approach (submitted). Canadian Journal of Forest Research,
Luquez, V., Hall, D., Albrectsen, B. R., Karlsson, J., Ingvarsson, P., & Jansson, S. (2008). Natural phenological variation in aspen (populus tremula): The SwAsp collection. Tree Genetics & Genomes, 4(2), 279-292.
Perala, D. A. (1990). Populus tremuloides michx. quaking aspen. In R. M. Burns, & B. H. Honkala (Eds.), Silvics of north america: Volume 2. hardwoods () Retrieved from http://www.na.fs.fed.us/spfo/pubs/silvics_manual/table_of_contents.htm
Peterson, E. B., Peterson, N. M., Northern Forestry Centre, Canada-Alberta Partnership Agreement in Forestry, Canada - Saskatchewan Partnership Agreement in Forestry 1990-1995, Canada-Manitoba Partnership Agreement in Forestry, et al. (1992). Ecology, management, and use of aspen and balsam poplar in the prairie provinces, canada. Edmonton: Northern Forestry Centre.
Wang, T., Hamann, A., Spittlehouse, D., & Aitken, S. (2006). Development of scale-free climate data for western canada for use in resource management. International Journal of Climatology, 26(3), 383-397.
Zhang, X., Friedl, M. A., Schaaf, C. B., Strahler, A. H., Hodges, J. C. F., Gao, F., et al. (2003). Monitoring vegetation phenology using MODIS. Remote Sensing of Environment, 84(3), 471-475.
Beaubien, E. G., & Freeland, H. J. (2000). Spring phenology trends in alberta, canada: Links to ocean temperature. International Journal of Biometeorology, 44(2), 53-59.
Chuine, I., & Beaubien, E. G. (2001). Phenology is a major determinant of tree species range. Ecology Letters, 4(5), 500-510.
Environmental Systems Research Institute (ESRI). (2009). ArcGIS desktop help 9.3, including 9.3.1. Retrieved December 18, 2009, from http://webhelp.esri.com/arcgisdesktop/9.3
Lechowicz, M. J. (1984). Why do temperate deciduous trees leaf out at different times? adaptation and ecology of forest communities. American Naturalist, 124(6), 821.
Li, H., Wang, X., Hamann, A. (2010). Genetic adaptation of aspen populations to spring risk environments: A novel remote sensing approach (submitted). Canadian Journal of Forest Research,
Luquez, V., Hall, D., Albrectsen, B. R., Karlsson, J., Ingvarsson, P., & Jansson, S. (2008). Natural phenological variation in aspen (populus tremula): The SwAsp collection. Tree Genetics & Genomes, 4(2), 279-292.
Perala, D. A. (1990). Populus tremuloides michx. quaking aspen. In R. M. Burns, & B. H. Honkala (Eds.), Silvics of north america: Volume 2. hardwoods () Retrieved from http://www.na.fs.fed.us/spfo/pubs/silvics_manual/table_of_contents.htm
Peterson, E. B., Peterson, N. M., Northern Forestry Centre, Canada-Alberta Partnership Agreement in Forestry, Canada - Saskatchewan Partnership Agreement in Forestry 1990-1995, Canada-Manitoba Partnership Agreement in Forestry, et al. (1992). Ecology, management, and use of aspen and balsam poplar in the prairie provinces, canada. Edmonton: Northern Forestry Centre.
Wang, T., Hamann, A., Spittlehouse, D., & Aitken, S. (2006). Development of scale-free climate data for western canada for use in resource management. International Journal of Climatology, 26(3), 383-397.
Zhang, X., Friedl, M. A., Schaaf, C. B., Strahler, A. H., Hodges, J. C. F., Gao, F., et al. (2003). Monitoring vegetation phenology using MODIS. Remote Sensing of Environment, 84(3), 471-475.
