After instituting a controlled burn, forest managers can determine what areas are ripe for vegetation and which are not. Because this article contains one of the many effects of burning, its inclusion in the cannon of literature is important.

Houston, Douglas B. (1971). Ecosystems of National Parks. Science. 127 (3984), 648-

Though Douglas B. Houston's article is older than some, its topic is one that does not necessarily require a modern time stamp. Additionally, this article that discusses national park maintenance was written before the great fire in Yellowstone National Park. For those writing about controlled burning, this gives a unique example of the opinions of maintenance and the ecosystem before the fire, which allows the researcher to make comparisons between the pre and post-fire opinion. Other relevant information in the article is a detailed discussion of the parks' ecosystems, and a conclusion that the destructive activities of humans are...
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