Climate & Fire & Adaptation
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In common gardens at two sites over two years differences in both ploidy type and genetic variation within ploidy were observed in phenology, morphology, and production traits on 57 octoploid and 52 tetraploid basin wildrye from the Intermountain West. Octoploids had larger leaves, longer culms, and greater crown circumference than tetraploids but the numerical ranges of plant traits and their source climates overlapped between ploidy types. Still, among populations octoploids often had greater genetic variation for traits and occupied more diverse climates than tetraploids. The link between genetic traits and seed source climates suggests climate driven natural selection and adaptive evolution in basin wildrye. The more diverse climates occupied by octoploids and higher trait variation suggests a higher capacity for ecological differentiation than tetraploids in the Intermountain West.
Humanity’s fire practices are creating the fire equivalent of an ice age. Our shift from burning living landscapes to burning lithic ones is affecting all aspects of Earth. Presenter is Stephen Pyne.
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This year’s conference, Discover Your Role: Reducing Wildland Fire Risk will provide an in-depth exploration of how community members across the spectrum can effectively contribute to better fire outcomes and provide community wildfire resilience leaders with new knowledge and tools for engaging partners and the public.
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The South-Central Oregon Adaptation Partnership (SCOAP) was developed to identify climate change issues relevant for resource management on federal lands in south-central Oregon. This science-management partnership assessed the vulnerability of natural resources to climate change and developed adaptation options that minimize negative impacts of climate change and facilitate transition of diverse ecosystems to a warmer climate. The vulnerability assessment shows that the effects of climate change on hydrology in south-central Oregon will be highly significant. Decreased snowpack and earlier snowmelt will shift the timing and magnitude of streamflow; peak flows will be higher, and summer low flows will be lower. Projected changes in climate and hydrology will have far-reaching effects on aquatic and terrestrial ecosystems, especially as frequency of extreme climate events (drought, low snowpack) and ecological disturbances (flooding, wildfire, insect outbreaks) increase.
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Decision makers need better methods for identifying critical ecosystem vulnerabilities to changing climate and fire regimes. Climate-wildfire-vegetation interactions are complex and hinder classification and projection necessary for development of management strategies. One such vulnerability assessment (VA) is FireCLIME VA, which allows users to compare management strategies under various climate scenarios and gauge the potential effectiveness of those strategies for reducing undesirable impacts of climate on wildfire regimes and resulting impacts of wildfire on natural ecosystems. Developed as part of the SW FireCLIME science-management partnership, FireCLIME is meant to be quick, flexible, and amendable to a range of data inputs (literature review, expert, and modeling or monitoring activities). These inputs allow users to easily compare various fire-climate outcomes for one or more ecosystems of interest. Users can use literature, hypothetical scenarios, or quantitative data to implement the FireCLIME VA tool. This tool, unlike other vulnerability assessment, is best used iteratively to explore a range of possible scenarios and management strategies.
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The Forests Service, Rocky Mountain Research Station has developed a System for Assessing Vulnerability of Species (SAVS) that quantifies the relative impact of expected climate change effects for terrestrial vertebrate species.
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A collection of web tools for visualizing past and projected climate and hydrology of the contiguous United States of America and for addressing questions related to agriculture, climate, fire conditions, and water.
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This study used a combination of field estimates, remotely sensed data, and existing land cover maps to create a spatially explicit estimate of aboveground carbon storage within the Great Basin, a semi‐arid region of the western United States encompassing 643,500 km2 of shrubland and woodland vegetation. The Great Basin ecosystems contain an estimated 295.4 Tg in aboveground carbon, which is almost double the previous estimates that only accounted for forested ecosystems in the same area. Aboveground carbon was disproportionately stored in pinyon‐juniper woodland (43.7% carbon, 16.9% land area), while the shrubland systems accounted for roughly half of the total land area (49.1%) and one‐third of the total carbon. Our results emphasize the importance of distinguishing and accounting for the distinctive contributions of shrubland and woodland ecosystems when creating carbon storage estimates for dryland regions.
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This study brought together ecologists and social scientists to confront this challenge and consider how to better promote both social and ecological resilience to a more flammable world. The result led to the new insights highlighted in the paper “Rethinking resilience to wildfire” – that catastrophic wildfires are forcing us to rethink what social–ecological resilience to wildfire means, and accept that more diverse approaches to resilience thinking are needed to facilitate human coexistence with wildfire.
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The Association of Natural Resource Extension Professionals (ANREP) conference theme was: Place-Based and Future-Focused: Fulfilling the Land Grant Mission in an Evolving Landscape. It was held virtually May 23-26, 2021.
The conference offers abundant opportunities for professional growth and development. Presentations, field tours, workshops, poster displays and informal networking provide a variety of options for skill building, knowledge sharing, collaboration and idea generation in a welcoming atmosphere.