Prescribed Fires Are Not Created Equal: Fire Season and Severity Effects in Ponderosa Pine Forests of the Southern Blue Mountains. Science Findings, Issue Eighty One, March 2006.

摘要

In the mid-1990s, forest managers on the Malheur National Forest were concerned about their prescribed fire program. Although they have only a few weeks of acceptable conditions available in the spring and fall, they were worried that spring-season prescribed burning might be exacerbating black stain root disease and having negative effects on understory plants. Working closely with forest managers, PNW Research Station scientists designed an experiment tailored to the problem. Prescribed fires were set in the fall and spring. The stands were then monitored for several years to determine the response of understory plants, black stain root disease development, and ponderosa pine tree mortality.