Forest fires are usually viewed within the context of a single fire season, in which weather conditions and fuel supply can combine to create conditions favourable for fire ignition—usually by lightning or human activity—and spread1,2,3. But some fires exhibit ‘overwintering’ behaviour, in ...
Boreal forests are exposed to larger and more frequent fires due to climate change, with significant consequences for their carbon and water balances. Low-severity fires (trees charred but surviving) are the most common fire regime in the Eurasian boreal forest, but we still lack understanding on...
P. Mill.). The 156 polygons represent the boreal forest subset of the polygons used by Laperriere et al. (2019) [28]. 2.2. Forest Polygons Sampling The sampling was done during summer of 2017 in late June for AT and in September for HM. The sampling of each forest polygon consisted...
Trapped underneath the boreal forest and wetlands of northern Alberta are these vast reserves of this sticky, tar-like bitumen. 在北方森林 及北阿尔伯塔省湿地下方 蕴藏着大量粘稠、似焦油的沥青 ted2019 FAO guidelines on forest fire management in temperate and boreal forests, issued in November #...
deforestation compared to tropical forests, and while they have higher levels of natural disturbances, the accumulated impact of forest management for commodity production coupled with worsening fire weather conditions and other climate-related stressors is resulting in ecosystem degradation and loss of ...
Thus, it is necessary to identify how altered fire regimes affect boreal forest resilience or capacity to recover after fire disturbance. In this study, we used the post-fire tree recruitment density, the aboveground biomass, the understory shrub cover, and the herb cover as indicators of forest...
Boreal forest fires tend to be more intense and lethal in North America than Eurasia. Differences in tree species composition explain these differences in fire regime, and lead to contrasting feedbacks to climate. Mike Flannigan News & Views02 Feb 2015 Nature Geoscience Volume: 8, P: 167-168...
We use summertime observations of ozone and carbon monoxide made in the central North Atlantic during 2001, 2003, and 2004, to assess the impact of boreal forest fires on the distribution of ozone mixing ratios in the Northern Hemisphere midlatitudes. HYS- PLIT backward trajectories were used to...
Rising atmospheric vapour pressure deficit (VPD) associated with climate change affects boreal forest growth via stomatal closure and soil dryness. However, the relationship between VPD and forest growth depends on the climatic context. Here we assess Ca
Forest fires in the boreal ecosystem were driven by meteorological, topographic and human factors that had clear spatial variation. In contrast, forest fire occurrence in subtropical forest ecosystem was spatially stationary; i.e., constant throughout the area. Our results suggest that as socio-...