Abstract
Funding was provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada Discovery and Discovery Northern Supplements programs to MFJP and KT, the Northern Scientific Training Program (NSTP) of Polar Knowledge Canada to TP,Ontario Graduate Scholarship (OGS) and Brock University Research Fellowship to TP.We acknowledge and thank the Brock University Library Open Access Publishing Fund for financial support.
Highlights
The circumpolar boreal forest is the largest forest ecosystem on the globe, comprising 17% of the earth’s terrestrial surface (Stocks, 2004)
The top of the piston core aligns with a depth of 27.5 cm in the gravity core based on the charcoal data
This study presents a full Holocene record of fire history conducted at sub-decadal to decadal resolution in concert with a robust age-depth model
Summary
The circumpolar boreal forest is the largest forest ecosystem on the globe, comprising 17% of the earth’s terrestrial surface (Stocks, 2004). Recent studies by Johnstone and Chapin (2006) and Johnstone et al (2010) indicate that contemporary fire activity in Yukon is altering vegetation assemblages and changing the Postglacial Reconstruction of Fire History composition of some forest ecosystems from conifer-dominated systems to forests dominated by deciduous species. Such changes will lead to feedbacks in these systems as fuel loads and flammability of those fuels change. Additional information about the longterm occurrence of wildfire across the boreal biome is needed to refine predictions and improve planning and management of these forests during a period of rapid climatic and environmental change
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