Table of Contents
What are the main effects of wildfire?
Wildfires can disrupt transportation, communications, power and gas services, and water supply. They also lead to a deterioration of the air quality, and loss of property, crops, resources, animals and people.
What are most wildfires started by?
As many as 90 percent of wildland fires in the United States are caused by people, according to the U.S. Department of Interior. Some human-caused fires result from campfires left unattended, the burning of debris, downed power lines, negligently discarded cigarettes and intentional acts of arson.
What do wildfires do to the environment?
It plays a key role in shaping ecosystems by serving as an agent of renewal and change. But fire can be deadly, destroying homes, wildlife habitat and timber, and polluting the air with emissions harmful to human health. Fire also releases carbon dioxide—a key greenhouse gas—into the atmosphere.
What kind of vegetation does a wildfire burn in?
A wildfire is an uncontrolled fire that burns in the wildland vegetation, often in rural areas. Wildfires can burn in forests, grasslands, savannas, and other ecosystems, and have been doing so for hundreds of millions of years.
Why are wildfires important to plants and animals?
Plants such as these depend on wildfires in order to pass through a regular life cycle. Some plants require fire every few years, while others require fire just a few times a century for the species to continue. Wildfires also help keep ecosystems healthy.
What do you mean by uncontrolled wildfire?
A wildfire is an uncontrolled fire that burns in wildland vegetation, often in rural areas. Wildfires scorch the land in Malibu Creek State Park. As the wind picks up, the fire begins to spread faster. A wildfire is an uncontrolled fire that burns in the wildland vegetation, often in rural areas.
How does a wildfire start and what causes it?
Wildfires can start with a natural occurrence—such as a lightning strike—or a human-made spark. However, it is often the weather conditions that determine how much a wildfire grows. Wind, high temperatures, and little rainfall can all leave trees, shrubs, fallen leaves, and limbs dried out and primed to fuel a fire.