Because the evidence for fire as an evolutionary force is so overwhelming, Pausas et al. (2016) conveniently organized fire-adapted plant species into three syndromes for better management. The resulting Non-Fast-Hot syndrome scheme shows how different plant species likely evolved to either resist or use three dimensions of flammability (ignitability, fire spread rate, and heat release) for higher fitness.
Read MoreA comparison of two historical fire history data sets, the State of California Fire and Resource Protection (FRAP) database and a database based on annual state and federal written reports, found substantial differences between the two.
Read MoreSite-scale sampling methodologies could be misleading, especially for arid, geographically heterogeneous, biodiversity hotspots. These authors (Taylor et al. 2012) use a landscape-scale methodology to examine one such habitat, 'tree mallee' that has similar fire and ecologic traits to central and southern semi-arid habitats like chaparral. In addition, this study shows that postfire age class heterogeneity doesn’t increase avian species richness in this semi-arid habitat with long fire return intervals.
Read MoreThe likely effects of drought associated with climate change in the United States have recently been synthesized by James M. Vose, James S. Clark, Charles H. Luce and Toral Patel-Weynand. Here we summarize their conclusions as they apply to drought and fire and provide examples of how these conditions are affecting different ecosystems in California.
Read MoreThe King Fire burned through an area used for a long-term (23 years) demography study of spotted owls in the central Sierra Nevada, allowing the authors to compare the number and distribution of owls both before and one year after the fire.
Read MoreIn Southern California, fuel treatment strategies often put fire risk reduction and biodiversity conservation goals at odds with each other. In response to this conflict, two of our briefs (Syphard et al. 2016; Butsic et al. 2016) explore a novel new approach.
Read MoreThe authors assessed relative and absolute changes in wildfire area and severity in seven forest types arrayed along an elevational gradient in the Sierra Nevada and adjacent forested mountains. Findings suggest that there is a major fire “deficit” in the greater Sierra Nevada Region, across all major forest types. However, the nature of this deficit differs among forest types.
Read MoreThe authors of this paper investigated whether or not prescribed fire can create conditions that will reduce drought induced mortality in mixed conifer forests in the Sierra Nevada.
Read MoreBohlman et al. conducted a study looking at the effects of post-fire reforestation on understory plant species richness and composition, as well as stand structure. Three different aged fires were selected to assess the role of time since fire on the different stand components.
Read MoreResults from a 2016 study by Coppoletta and others suggests that in areas where fire regimes and forest structure have been dramatically altered, contemporary fires have the potential to set forests on a positive feedback trajectory with successive reburns, one in which extensive stand-replacing fire could promote more stand-replacing fire.
Read MoreIn a review article by Jon Keeley and Alex Syphard, examples from California show that fire regimes are sensitive to geographic and seasonal variation in the climate signal and that many factors will confound the ability to model future conditions.
Read MoreThis study focuses on climate change and increasing human populations as two potential causes of the increasing number and size of wildfire in the western US.
Read MoreThe authors demonstrate how combining detailed field measurements with remote sensing imagery is a valuable method for capturing the spatial arrangement and variation of fuel loading in a chaparral landscape.
Read MoreA 2012 study by Miller and others suggests that fire management approaches used by the National Park Service in Yosemite National Park could assist in the restoration and maintenance of Sierra Nevada forest ecosystems.
Read MoreWhy aren’t globally successful, weedy plant species generally found at high altitudes? This study suggests that it’s due to extreme abiotic conditions in association with the alien species’ life history traits, not a lack of opportunity.
Read MoreMr. Pratt in 1911 published an argument against the “light burning” practices of those days, claiming these small fires were unnecessary and only caused an expensive loss of merchantable lumber over the years. Like other light-burning advocates, he had no research on his side.
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In a collaborative project funded by the non-profit Desert Tortoise Council with Natural Resource Conservation LLC, the authors synthesized published literature and practitioner’s experiences to develop best-management practices for habitats of desert tortoises.
Read MoreCollaboratively with the National Park Service, the authors performed a study along Northshore Road in Lake Mead National Recreation Area (eastern Mojave Desert, Nevada) to develop biocrust restoration strategies. Results and management recommendations for the most effective restoration methods are discussed.
Read MoreIn the early 20th century, there was an intense controversy over systematic “light burning, the practice of using cool fire as a management tool (similar to what we call prescribed fires today). These practices for fire control were highly debated before fire suppression policies overwhelmingly prevailed. Presented here is a series of research briefs that review publications from this controversy at this interesting look into history.
Read MoreThis research brief discusses the lessons learned from the costly fires of 2003 in Southern California. Recommendations on future fuel reduction strategies and placement are discussed.
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The California Fire Science Consortium is divided into 4 geographic regions and 1 wildland-urban interface (WUI) team. Statewide coordination of this program is based at UC Berkeley.
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This regional Fire Science Exchange is one of 15 regional fire science exchanges.
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