Two Big Fire-drivers (Fuel vs. Wind) Mean Different Management Strategies Across California: Research Brief
/This paper contrasts the two most important factors driving large fires: fuel-dominated vs. wind-dominated wildfires.
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This paper contrasts the two most important factors driving large fires: fuel-dominated vs. wind-dominated wildfires.
Read MoreThis paper explores whether human or natural ignition (lightning) sources are linked to wildfire occurrence during Santa Ana wind events. While lightning ignitions during Santa Ana conditions have been rare in the past, predictions under anthropogenic climate change project drier fuels during the winter months when lightning and Santa Ana winds are more likely to occur simultaneously, increasing the future potential for devastating wildfires.
Read MoreAssisted natural regeneration (ANR) is an alternative aimed at encouraging site conditions favorable for natural regeneration through actions such as alleviating limitations on viable seed production, germination, and seedling survival. Two ANR approaches were tested on the Mojave Desert foundation species, the creosote bush.
Read MoreHardening homes was strongly correlated with structure survival in the Wildland Urban Interface. The best ways to “harden homes” are to: enclose eaves and use multiple pane windows; use fire-resistant exterior siding, composite deck materials, and fine-mesh vent screens.
Read MoreAfter a fire burned through a stand of Tecate cypress, researchers observed that prefire stand age was the most significant factor for recovery after the disturbance.
Read MoreWatch this short documentary on why fire is needed in the Sierra De San Pedro Mártir in Baja California with interviews from some familiar faces. (Spanish subtitles)
Read MoreA recent study in press with Ecological Monographs collected and analyzed a long-term data set of fluctuations in perennial plant communities in the eastern Mojave Desert. During the 37-year period, most measures of the native perennial plant community changed temporally.
Read MoreThis paper compares tree mortality patterns in treated (thinned and/or burned) forested stands to untreated stands and how these treatments affect forest response to drought.
Read MoreFor many fire-adapted ecosystems, prescribed fires and managed wildfires are valuable tools for mimicking and maintaining natural fire’s full assortment of invaluable Ecosystem Services.
Read MoreIn light of climatic trends, historic fire suppression, increasing incidence of large wildfires, and shrinking budgets, the authors propose a planting strategy that prioritizes accessibility, while reducing efforts within the dispersal range of seed trees and in areas with a high cost to probability-of-success ratio.
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Both climatic and land use factors will have an effect on long-term spatial and temporal patterns of fire and structure loss within California.
Read MoreIn the Sierra Nevada most historical stand structure studies have focused on drier pine-dominated forests. This paper helps to fill a gap by contributing information on historical structure in more mesic forests with more moderate amounts of moisture.
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Research results show that Knobcone pine populations are extremely dynamic, with losses, gains, extirpation and colonization occurring among different populations across its range.
Read MoreIf the fire has characteristics that do not fit the historical fire regime with which the fire-adapted ecosystem has developed, then it may impact resilience and cause a shift in ecosystem characteristics.
Read MoreThe authors show how live fuel moisture content in chaparral shrub species is highly variable. This brief offers new recommendations on how to best use live fuel moisture content as a measure of fire risk.
Read MoreUnlike the well-studied, large conifer forests of the northern Sierra Nevada, southern California conifer forests are less-studied and represent only about 8% of the landscape. But much like the forests to the north, these valuable ecosystems are at risk of type-converting to other vegetation types.
Read MoreA 2019 study by Meyer and others showed that the reestablishment of natural fire regimes can be highly effective at restoring the structure and understory diversity of red fir forests but have little effect on the health of red fir under increasing moisture stress associated with drought and warming climate.
Read MoreThis study specifically surveyed county emergency managers; the individuals who are responsible for mitigating and responding to disaster events. The results suggest that emergency managers are subject to decision biases and by knowing this, we can improve emergency management and decision-making processes.
Read MoreMany of California’s research natural areas exhibit high to moderate departure from their natural fire regime. Without restoration or maintenance of the natural fire regime, the ecological integrity of some natural areas could be lost.
Read MoreLocating forest treatments in the right places can make them as or more effective than treating everywhere, shows new research out by Krofcheck et al. 2018. The authors found that restoring less acres strategically can have the same impacts as treating more area indiscriminately in terms of reducing high severity wildfire risk and carbon instability.
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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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