Teacher Information o Necessary materials n Power Point

Fire Pgs 277 -283 in Ch. 22 of Managing Our Natural Resources Rangelands, Forests,

Students will be able to… o o Explain the fire triangle and how this

Largest U. S. Fires o Peshtigo, 1871 n n n o 3. 8 million

U. S. Fire History o Taylor Complex— 2004 n o Fires in 2004 burned

Fire: Wild and “Tame” o Wildfire any uncontrolled fire n o Bush fire, grass

Wildfire Benefits o o Wildfires are a natural part of many ecosystems Sets back

Wildfire Benefits o Improves wildlife habitat n n o o Creates open spaces for

Negative Effects of Wildfire q q Pollutes streams & ponds Kills or injures wildlife

Prescribed Fire Benefits o o Reduces fuel available for wildfire Improves wildlife habitat Site

Prescribed Fire Benefits o o o Most economical tool for cleaning operations in young

Prescribed Fire q Weather conditions must be perfect q q q Sufficient relative humidity

The Fire Triangle o To produce fire, three things must be present at the

The Fire Triangle The fire triangle is like a three-legged stool. If you remove

How is the triangle broken? o Some of the ways used to break the

Review o o Explain the fire triangle and how this is used for fighting

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Teacher Information! o Necessary materials: n Power. Point Guide

Fire Pgs 277 -283 in Ch. 22 of Managing Our Natural Resources Rangelands, Forests, & Fire

Students will be able to… o o Explain the fire triangle and how this is used for fighting fire. Discuss the positive and negative aspects of fire.

Largest U. S. Fires o Peshtigo, 1871 n n n o 3. 8 million acres Wisconsin & Michigan Escaped slash fire in a hot, dry summer Miramichi, 1825 n n 3 million acres Maine & New Brunswick

U. S. Fire History o Taylor Complex— 2004 n o Fires in 2004 burned > 6. 3 million acres in Alaska Murphy Complex— 2007 n n > 650, 000 acres Largest Idaho fire in recent history

Fire: Wild and “Tame” o Wildfire any uncontrolled fire n o Bush fire, grass fire, forest fire Prescribed fire Controlled use of fire to accomplish specific purposes

Wildfire Benefits o o Wildfires are a natural part of many ecosystems Sets back succession n o Some wildlife species need earlier successional forest habitat Aids the reproduction of some conifer species

Wildfire Benefits o Improves wildlife habitat n n o o Creates open spaces for wildlife Exposes seeds and insects Returns nutrients to soil Removes debris from forest floor

Negative Effects of Wildfire q q Pollutes streams & ponds Kills or injures wildlife & habitat Can effect local & state economy Dangerous to human lives & property

Prescribed Fire Benefits o o Reduces fuel available for wildfire Improves wildlife habitat Site preparation Reduces competition & provides suitable seedbed Range management Improves forage quality

Prescribed Fire Benefits o o o Most economical tool for cleaning operations in young pine stands Disease control Improved accessibility & visibility for timber cruising

Prescribed Fire q Weather conditions must be perfect q q q Sufficient relative humidity Low wind speed Sufficient fuel loads Maintain low heat Should only be done by trained professionals

The Fire Triangle o To produce fire, three things must be present at the same time- fuel, heat, and oxygen FUEL HEAT OXYGEN

The Fire Triangle The fire triangle is like a three-legged stool. If you remove one leg, the fire goes out. heat fuel oxygen

How is the triangle broken? o Some of the ways used to break the fire Substance Eliminated triangle are: n n n n fire rake fire flap or pine top backpack water pump tractor with a fire plow backfire torch airplane water bomb prescribed burning FUEL OXYGEN HEAT FUEL

Review o o Explain the fire triangle and how this is used for fighting fire. Discuss the positive and negative aspects of fire.