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Full-Text Articles in Life Sciences

Mitigating Old Tree Mortality In Long-Unburned,Fire-Dependent Forests: A Synthesis, Sharon M. Hood Jan 2010

Mitigating Old Tree Mortality In Long-Unburned,Fire-Dependent Forests: A Synthesis, Sharon M. Hood

Joint Fire Science Program Synthesis Reports

This report synthesizes the literature and current state of knowledge pertaining to reintroducing fire in stands where it has been excluded for long periods and the impact of these introductory fires on overstory tree injury and mortality. Only forested ecosystems in the United States that are adapted to survive frequent fire are included. Treatment options that minimize large-diameter and old tree injury and mortality in areas with deep duff and methods to manage and reduce duff accumulations are discussed. Pertinent background information on tree physiology, properties of duff, and historical versus current disturbance regimes are also discussed.


Post-Fire Treatment Effectiveness For Hillslope Stabilization, Peter R. Robichaud, Louise E. Ashmun, Bruce D. Sims Jan 2010

Post-Fire Treatment Effectiveness For Hillslope Stabilization, Peter R. Robichaud, Louise E. Ashmun, Bruce D. Sims

Joint Fire Science Program Synthesis Reports

This synthesis of post-fire treatment effectiveness reviews the past decade of research, monitoring, and product development related to post-fire hillslope emergency stabilization treatments, including erosion barriers, mulching, chemical soil treatments, and combinations of these treatments. In the past ten years, erosion barrier treatments (contour-felled logs and straw wattles) have declined in use and are now rarely applied as a post-fire hillslope treatment. In contrast, dry mulch treatments (agricultural straw, wood strands, wood shreds, etc.) have quickly gained acceptance as effective, though somewhat expensive, post-fire hillslope stabilization treatments and are frequently recommended when values-at-risk warrant protection. This change has been motivated …