Brandon M. Collins

Contact Info


Center for Fire Research and Outreach, College of Natural Resources, University of California,
University of California
130 Mulford Hall
University of California
Berkeley , CA 94720, United States

Publications in Fire Ecology

Fire Scarring Patterns in Sierra Nevada Wilderness Areas Burned by Multiple Wildland Fire Use Fires
Pages: 53-67
DOI: 10.4996/fireecology.0302053

Uncertainty associated with fire-scar reconstructions of historical fire occurrence has led to questioning both estimates of frequency derived from these methods and the inferences on fire regimes drawn from these estimates. Using information from multiple, naturally-occurring fires (referred to as wildland fire use (WFU) fires) in two Sierra Nevada wilderness areas, we identified forest structural, topographic, and fire characteristics influencing fire scarring in trees and conducted direct comparisons of fire-scar reconstructed fire extent and frequency to fire atlas based estimates of fire extent and frequency.  [Read More]

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Climate, Rain Shadow, and Human-Use Influences on Fire Regimes in the Eastern Sierra Nevada, California, USA
Pages: 20-34
DOI: 10.4996/fireecology.0503020

There have been few fire history studies of eastern Sierra Nevada forests in California, USA, where a steep elevation gradient, rain shadow conditions, and forest stand isolation may produce different fire regimes than those found on the range’s western slope. We investigated historic fire regimes and potential climate influences on four forest types ranging in elevation from 1700 m to 3200 m on the Sierra Nevada’s eastern slope and the White Mountains’ western slope. Sample areas (approximately 15 ha to 45 ha) had mean site fire return intervals ranging from 4.8 yr to 16.9 yr across ten Jeffrey pine (Pinus jeffreyi Balf.) sites, and 13.4 yr to 45.7 yr across four high elevation lodgepole (P. contorta Douglas ex Louden), foxtail (P. balfouriana Balf.) and bristlecone (P. longaeva D.K. Bailey) pine sites.  [Read More]

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Relating Fire-Caused Change in Forest Structure to Remotely Sensed Estimates of Fire Severity
Pages: 99-116
DOI: 10.4996/fireecology.1203099

Fire severity maps are an important tool for understanding fire effects on a landscape. The relative differenced normalized burn ratio (RdNBR) is a commonly used severity index in California forests, and is typically divided into four categories: unchanged, low, moderate, and high. RdNBR is often calculated twice—from images collected the year of the fire (initial assessment) and during the summer of the year after the fire (extended assessment).  [Read More]

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