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In recent years, a number of catastrophic wildfires have fundamentally changed species composition and structure across a large area of the Sierra Nevada of California. These fires leave behind many large, severely burned patches of land where the majority of trees have died. To make informed management decisions, forest managers need to understand the long-term effects of these fires on vegetation recovery and fuel loading. Large patches without trees might not reforest on their own which can cause forest loss; and, high-severity fires may lead to other high-severity fires by increasing the amount of fuel available to burn. Such repeat fires could lower the odds of any postfire forest recovery. By including...
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The Southwest U.S. is experiencing hotter droughts, which are contributing to more frequent, severe wildfires. These droughts also stress vegetation, which can make it more difficult for forests to recover after fire. Forest regeneration in burned areas may be limited because seeds have to travel long distances to recolonize, and when they do arrive, conditions are often unfavorably hot and dry. Conifer forests in the region have demonstrated particular difficulty in recovering after fires, and in some cases have transformed into other ecosystem types, such as deciduous-dominated forests or grasslands. Such ecological transformations have implications not only for the plants and animals that depend on conifer forests...
    map background search result map search result map Post-Fire Conifer Regeneration Under a Warming Climate: Will Severe Fire Be a Catalyst for Forest Loss? The Effects of Catastrophic Wildfires on Vegetation and Fuel Loads in the Sierra Nevada of California The Effects of Catastrophic Wildfires on Vegetation and Fuel Loads in the Sierra Nevada of California Post-Fire Conifer Regeneration Under a Warming Climate: Will Severe Fire Be a Catalyst for Forest Loss?