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Fire practitioner stands in a prescribed fire in a longleaf pine forest at Disney Wilderness Preserve.
Prescribed Fire in Action Central Florida land conservation manager Adam Peterson oversees a prescribed fire at Florida's Disney Wilderness Preserve. © Kevin Main

Stories in Florida

Restoring Fire to Native Landscapes

Florida’s conservation land depends on fire for diversity.

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TNC Florida 2022 Fire Team Annual Report

This report looks back at the stewardship work the TNC Florida Fire Team performed in 2022.

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TNC supports the the frequent use of prescribed fire in Florida, where nearly all of the state’s 10 million acres of conservation land depend on fire directly or indirectly to maintain the diversity of plant and animal life. Private forest landowners are important partners as well, as many of their lands also require frequent fire.

Fire Program Hits “Million-and-a-Half” Milestone

TNC’s Florida fire program started in 1979. Since then, we have led or assisted with over 3,400 prescribed fires—“good fires” on over 156 conservation areas. This colossal collaboration with a wide variety of federal, state and private partners has resulted in 1.5 million acres of safely burned, diverse and resilient landscapes that are less likely to sustain destructive wildfires—bad fires.

Prior to European settlement when Florida was free of roads and houses, fire was a near constant, as natural and necessary as rain. Bolts of lightning would start a fire that might burn for 5 minutes or for months, meandering along, stopping only at large rivers, the Gulf or Atlantic. This natural, chaotic pattern has since been interrupted by the steady growth of development, which often fragments fire-dependent landscapes. As a result of the habitat fragmentation and long-term fire suppression, the natural 1-3 year fire return cycle has been largely disrupted, with some conservation lands not seeing fire for decades. Working with our partners, TNC’s Florida Fire Team identifies priority landscapes in need of the rejuvenating effects of fire and does what it takes to get good fire back on the ground.

Women on the Firelines work together to strategize on the plan for a prescribed fire.
Explaining the details Line boss gives specific ignition direction to her crew. © Carlton Ward, Jr.
Three fire professionals on a prescribed fire holding fire ignition devices.
Tools of the Trade Fire gear includes two-way radios, drip torch, pyro shot shooting "dragon eggs," nomex flame resistant clothing, fire shelters (stowed in packs), hard hats and safety glasses. © Adam Peterson/TNC
Explaining the details Line boss gives specific ignition direction to her crew. © Carlton Ward, Jr.
Tools of the Trade Fire gear includes two-way radios, drip torch, pyro shot shooting "dragon eggs," nomex flame resistant clothing, fire shelters (stowed in packs), hard hats and safety glasses. © Adam Peterson/TNC

The Burn Plan

Prescribed fires are conducted by teams of highly-skilled and experienced professionals. A “burn boss” organizes and supervises the burn following a written plan known as the burn prescription. Strict guidelines maintain crew safety and contingency plans to protect nearby residents and private property. Weather and local climate conditions are monitored days before the burn and continuously during the burn. Specific limits on weather parameters (e.g. temperature, wind speed, relative humidity) are described in the burn prescription which guide the burn boss when choosing the specific burn day.

A Day in the Life of a Prescribed Fire Practitioner

Take a journey to the firelines of Central Florida with TNC Florida land conservation specialist Chelsea MacKenzie as she describes the purpose and process of a controlled burn as it happens.

Day in the Life of a Prescribed Fire Practitioner (3:25) Take a journey to the firelines of Central Florida with TNC Florida land conservation specialist Chelsea MacKenzie as she describes the purpose and process of a controlled burn as it happens.

Lighting the Fire

Ignition crew members use drip torches to light dots or linear strips of fire. On larger fires, all-terrain vehicles (ATVs) fitted with torches or even helicopters are used to complete ignition.  “Holding” crew members are assigned the task of making sure the fire stays within the boundaries of the prescribed fire unit. The holding crew uses large pickup trucks or “engines” and utility vehicles (UTVs) that carry water pumps to help them do their job. All of this equipment allows for the careful application of fire and water at the right time, resulting in the fire being “shepherded” across the burn unit.

Woman holding a drip torch preparing to start a prescribed fire.
Drip torch in hand Carefully applying torch-mix (a mix of diesel and gasoline) to create a linear strip of fire. © Zach Prusak/TNC
Fire professionals working with an engine and hoses on a prescribed fire.
Holding crew at work Crew members use water off the engine to keep the fire within the burn unit. © Carlton Ward Jr.
Drip torch in hand Carefully applying torch-mix (a mix of diesel and gasoline) to create a linear strip of fire. © Zach Prusak/TNC
Holding crew at work Crew members use water off the engine to keep the fire within the burn unit. © Carlton Ward Jr.
Gopher tortoise enters into its burrow in the longleaf pine habitat.
Gopher Tortoise This keystone species builds burrows in the sandy soil, providing refuge for many animals and insects. © FWC

Native Animals Depend on Fire

Many of Florida’s threatened and endangered animals depend upon fire:

During a fire, as many as 40 species take refuge in gopher tortoise burrows. These cool, colossal caverns can be up to 40 feet deep!

Native Plants Rebound

Shortly after a prescribed fire, the blackened ground quickly recovers with new, fast growing greenery. Pitcher plants, many orchids, cutthroat grass and wiregrass are among the key species that require the landscape to be frequently burned. Indeed, nearly all of Florida’s terrestrial plant species would be lost or out of balance without it.

Longleaf pine is the perfect example. Its life cycle begins when the seed falls on the fire prepared soil and germinates, with the prior Spring’s fire having cleared the ground and turned hardwood leaves, pine straw, branches and sticks into fertilizer. For years the young tree looks like a bunch of grass, its bud protected by tight needles while it grows a deep taproot. The next fire stimulates the “rocket stage” and the young pine shoots skyward, growing several feet in a little as 18 months, safe above the fire line. Fire literally stimulates the next generation of this fabulous tree and continuously maintains the forest habitat for it to thrive.

A longleaf pine forest is one of the most endangered systems in North America; only 3-5% of a once-magnificent southeastern United States forest remains. Prescribed fire is absolutely key to keeping this iconic ecosystem alive.

Young longleaf pine tree in bottlebrush stage.
Longleaf Pine Seedling This young longleaf pine tree in the rocket stage stands against matre trees at Apalachicola Bluffs and Ravines Preserve. © Ralph Pace
Longleaf pines silhouetted on a sky with clouds and a rising sun.
Longleaf at Sunset Mature trees capture the beauty of the restored longleaf pine forest at Disney Wilderness Preserve. © Chelsea MacKenzie/TNC
Longleaf Pine Seedling This young longleaf pine tree in the rocket stage stands against matre trees at Apalachicola Bluffs and Ravines Preserve. © Ralph Pace
Longleaf at Sunset Mature trees capture the beauty of the restored longleaf pine forest at Disney Wilderness Preserve. © Chelsea MacKenzie/TNC

How We Implement Prescribed Fire

Our prescribed fire principles

  • TNC employs the best fire practitioners to train, groom and mentor fire leaders, using a mix of online, virtual coursework and in person, hands-on fire experiences.

  • Having strong policies and laws in place that protect the act of implementing fire safely within Florida’s lands is critical to the prescribed fire success that Florida has demonstrated over many decades. TNC’s Government Relations staff work with with agency directors and law makers to promote fire’s benefits to both the natural lands and public safety.

  • Many people have questions about why fire is necessary and how it can be safely applied.  There are also questions about smoke, especially with wildfires. TNC gives public presentations and informs the media on these issues.

Partnerships are Critical to Success

TNC is one of only a few nonprofit organizations that adheres to National Wildfire Coordinating Group fire qualifications, allowing our fire crews to collaborate on controlled burns with federal, state and local agencies. TNC also cooperates with other groups in Florida and the Caribbean.

Meet the Florida Fire Program Director

David Printiss started his adventure with wildland fire in 1998 at Eglin AFB, in the western panhandle near Pensacola, Florida. It was a very difficult year for wildfire all across Florida. David was working on the base conducting biological inventories when in June the Prairie Creek fire erupted. Responding to a call for volunteers, he completed his basic firefighting training, and that very night was out on the fireline. He will never forget his introduction to fire and his vision of scores of pine trees burning like candles on that moonless night in the forest.

The Florida fire program director works with TNC and partner fire staff to get as much good fire on the ground as possible and to do it in a safe and responsible manner. The Florida Fire Team is also responsible for training the next generation of wildland fire professionals so they are well equipped for both the good fire—and the bad.

In addition, David serves as the North America Fire Specialist. In this role, David carries out fire safety reviews of TNC fire programs across North America and provides leadership to teams during periods of staff transition. David also works with Federal partners to explore ways to broaden wildland fire training and cooperation among teams.

In July 2021 the massive Bootleg wildfire threatened the Jim Castles Applied Research Station at the Sycan Marsh Preserve in Oregon. David traveled westward to assist with protecting the preserve and the research station and also provided mentoring to staff working on wildfire-specific training.

David Printiss stands on the firelines of the Bootleg Fire near Sycan Marsh Preserve in Oregon.
One Conservancy Mission David Printiss was called in from North Florida to help fight the Bootleg Fire at Sycan Marsh Preserve in Oregon. © TNC

Quote: David Printiss

The application of fire to the land is an art, it is a sixth sense that allows some to be able to see the patterns amidst the chaos, to know when to go and to know when to “no-go." 

Florida Fire Program Director and North America Fire Specialist

According to David, “Florida’s forests are not a static thing; fire is constantly changing their shape and form. This constant flux and unevenness across the landscape is the very thing that provides the gift of biodiversity. The application of fire to the land is an art, it is a sixth sense that allows some to be able to see the patterns amidst the chaos, to know when to go and to know when to “no-go.”  I am proud to work with so many in Florida that know such wisdom. Our Florida Fire Team consistently burns more acres of TNC and partner land than any other business unit—often greater than 100,000 acres per year.  As there is no other land management activity that is more important to Florida (and so many other) ecosystems than fire. Being part of the Florida Fire Team and its accomplishments is a dream come true. If there is a better job, I have not yet heard of it.”

Sunsets over Florida ranchland with palms and a pond.
Sunset illuminates the wetlands along Lykes Brothers Ranch near Palmdale, Florida. Sunset illuminates the wetlands along Lykes Brothers Ranch near Palmdale, Florida. © Mac Stone