 The point source fire ignition technique is a modified version of the strip head fire. Instead of lines, personnel leave spots of fire as they walk across the site. The first line of spots is started on the downwind side of the site. Spots should be placed the same distance apart to ensure predictable fire behavior. Point source fires burn in all directions, but most fuels are consumed by the head and flanking portions of the fire. The intensity of point source fires is intermediate between head fires and backing fires. Managers can increase or decrease the intensity of the fire by changing both the distance between lines and the distance between spots. Intensity of the fire will be increased when two spots converge. Because point source fires burn in all directions, they often create a mosaic of burning intensities that result in diversity for wildlife.