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Prescribed fires are planned by experienced professionals who identify ahead of time the conditions necessary to safely conduct a prescribed fire. These include environmental factors such as air temperature, humidity, wind speed and direction. Other important aspects of planning include the number of people and types of equipment that will be on-hand at the burn, as well as what order the events will take place in.
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Occasional fires are an important tool to help maintain the health of the native natural areas and prepare sites for management activities such as seeding. Fire helps to:
Wildlife will move from the site or find areas such as burrows to hide from the fire. It is true that in rare instances an animal is overrun by the fire before it can find safe haven: this is the rare exception rather than a common occurrence. Ecologists plan the timing and type of fires to minimize risks wildlife, or their nests. For the long-term, fire benefits animals by maintaining or improving the overall wildlife habitat. On the day of the burn, there will be a lot of human activity in the area. This will also encourage animals to leave temporarily and find a hiding place in adjacent habitats.
There are some other vegetation management tools that are often integrated with prescribed fire. Because prairie, savanna and oak forests are adapted to fire, the use of fire is important to provide a full range of benefits to vegetation. The most common tools integrated with fire are mowing, interseeding, and the spot application of herbicides. Because fire provides unique benefits to native plants, it is applied with specific goals in mind for each managed site.
When getting ready for the burn, ecologists create a plan that outlines what conditions must be present to manage smoke. Through proper planning and selection of wind direction, efforts are made to plan for smoke rising away from homes, roads, and other sensitive areas. However, homeowners who will be away from their home during daytime hours should keep windows closed.
Immediately after the burn, the ground will be black. With adequate moisture, there is generally new plant growth within one to two weeks. In some instances, supplemental seeding is performed at this time to improve vegetation quality, increase the quantity of flowers, and the long-term stability of an area.