s compound called char (Johnson, 1992, p. 39 40). Glowing combustion is surface oxidation of this char. The ultimate result of the process is preparation of the forest floor for the growth of new seedlings (Johnson, 1992, pp. 22 47).
In any fire, there are factors which have particularly significant effects on a forest. These include fire intensity, as well as fire size and frequency (Johnson, 1992, p. 1).
Certain northern areas of the North American continent have some of the largest forest fires in the world. The high frontal intensity of these fires often results in crown combustion.
Different tree species have characteristically different crowns (Johnson, 1992, p. 49). The crown architecture of conifers, for example, tends to be deeply layered. In addition, crown branches are smaller; a lesser branch diameter is required to support the lighter needle shaped leaves. In contrast, deciduous crowns tend to have only one or, possibly, two canopies. In addition, the crowns' larger leaves
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