Major 1992 Forest Fires in Central and Eastern Siberia: Satellite and Fire Danger Measurements

摘要: The boreal forest biome is a classic fire-dependent ecosystem, capable, during periods of extreme fire weather, sustaining the large, high-intensity wildfires responsible for its existence. natural cycle in North American averages 50-200 years (Heinselman 1981). Fire major disturbance regime forest, and tree species have adapted to this form over millennia, point where required adequate regeneration. With increased human settlement world’s zone last century, both industrial recreational purposes, there has been concurrent development management programs designed protect interests investment. However, total exclusion proven neither economically feasible nor ecologically desirable, with result that fires are still force forests America Eurasia, burning an average 5–6 million hectares annually 1980s (Stocks 1991). In addition, climate change projections indicate significantly higher temperatures across within next 50 years, occurrence impacts would increase under scenario 1993), potentially providing significant positive feedback global warming, greatly influencing carbon budget zone.