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Although other characteristics of a forest will influence the impact of fire upon it, factors such as climate and topography play an important role in determining fire severity and fire extent. [39] Fires spread most widely during drought years, are most severe on upper slopes and are influenced by the type of vegetation that is growing.
A controlled burn in Niagara Falls, Ontario where the Burn Boss is watching a back fire (lit first and in the background) move towards a head fire (in the foreground) Back burning or a back fire is the term given to the process of lighting vegetation in such a way that it has to burn against the prevailing wind.
Fire regimes of United States plants. Savannas have regimes of a few years: blue, pink, and light green areas. When first encountered by Europeans, many ecosystems were the result of repeated fires every one to three years, resulting in the replacement of forests with grassland or savanna, or opening up the forest by removing undergrowth. [23]
Fire history, the ecological science of studying the history of wildfires, is a subdiscipline of fire ecology. Patterns of forest fires in historical and prehistorical times provide information relevant to the vegetation pattern in modern landscapes.
Old-growth European beech forest in Biogradska Gora National Park, Montenegro. An old-growth forest [a] (also referred to as primary forest) is a forest that has developed over a long period of time without disturbance. Due to this, old-growth forests exhibit unique ecological features. [1]
A wildfire, forest fire, or a bushfire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [ 1 ] [ 2 ] Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Australia ), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or ...
2010 Bolivia forest fires Bolivia: 1,500,000 0 [15] 12 2006–2007 Australian bushfire season Australia: 1,300,000 5 [16] 13 2017 British Columbia wildfires Canada: 1,148,000 0 [17] 14 2019 Amazon rainforest wildfires Brazil Bolivia Colombia Paraguay Peru: 906,495–930,776 2 [18] 15 2017 Chile wildfires Chile: 500,000 11 [19] 16
The Meridian Boundary Fire burned 8,586 acres near Grayling, Michigan in 2010.. The U.S. state of Michigan has been the site of several major wildfires.The worst of these were in the lumbering era of the late-1800s when lumbering practices permitted the buildup of large slash piles and altered forest growth patterns which may have contributed to size of the wildfires.