US Forest Service, Fire Effects Information System. The Fire Effects Information System is an online collection of reviews of the scientific literature about fire effects on plants and animals and about fire regimes of plant communities in the United States. FEIS reviews are based on thorough literature searches, often supplemented with insights from field scientists and managers. FEIS provides reviews that are efficient to use, thoroughly documented, and defensible. Approximately 15 to 30 new or revised reviews are published in FEIS each year.