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Description: These are the source files used in Parisien et al. (2020) “Fire deficit increases wildfire risk for many communities in the Canadian boreal forest”. These files will allow the user to recreate the results of the study. - The study area boundary was defined by a selection of the Ecological zones of Canada (Ecological_zones_studyarea.zip). - Fire-regime zones are from Erni et al. (2020) (FRT_Canada_studyarea.zip). - Vegetation cover is based on the National FBP fuels grid version (2014b) (Beaudoin et al. 2014) (National_FBP_Fueltypes_version2014b.zip). - Community points are based on Natural Resources Canada 2010 Populated Places dataset, hand-corrected using aerial imagery (Boreal_communities_160.zip). - Fire polygons are based on the National Burned Area Composite 'NBAC' for 2002-2017 (NBAC_2002_2017.zip) and the National Fire Database 'NFDB' for 1978-2001 (NFDB_1978_2001.zip). - Fire ignition points are based on the National Fire Database 'NFDB' for 1988-2017 (NFDB_ignitions_1988_2017.zip). - Harvest sensitivity analysis is based on Canada Landsat Disturbance (CanLAD) dataset (Guindon et al., 2018) (CanLaD_2011cutblocks.zip). - Land cover sensitivity analysis is based on 2019 National Risk Analysis Fuels Map (Natoinal_Risk_Fuels_2019.zip) and 2011 MODIS Land Cover map (MODIS_Landcover_2011.zip). Statistics calculated in the paper include: percentage of recently burned forest (RBF) for 1978-2007, 1988-2017, and 1998-2017; ignition density for human- and lightning-caused fires; and percentage of area harvested 1985-2015 (Guindon et al., 2018). Datasets are periodically updated an may vary from the version provided here. Versions available here were last accessed: Oct. 2018 (NBAC, Bing Maps), June 7, 2019 (NFDB, 2014 Fuels, 2011 MODIS Land Cover), Dec. 2018 (2019 Fuels), and Nov. 2018 (Ecozones, Fire Regime Zones, and Community shapefiles). Works cited here: Beaudoin, A., P. Y. Bernier, L. Guindon, P. Villemaire, X. J. Guo, G. Stinson, T. Bergeron, S. Magnussen, and R. J. Hall. 2014. Mapping attributes of Canada’s forests at moderate resolution through kNN and MODIS imagery. Canadian Journal of Forest Research 44:521-532. Erni, S., Wang, X., Taylor, S., Boulanger, Y., Swystun, T., Flannigan, M., & Parisien, M. A. (2020). Developing a two-level fire regime zonation system for Canada. Canadian Journal of Forest Research, 50(999), 259-273. Guindon, L., Bernier, P., Gauthier, S., Stinson, G., Villemaire, P., & Beaudoin, A. (2018). Missing forest cover gains in boreal forests explained. Ecosphere, 9(1), e02094.