Article / Book
Vegetation dynamics models: Comprehensive set for natural resource assessment and planning in the US
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These products establish the first comprehensive national baseline for measuring vegetation change in the USA, providing land managers and policymakers with a tool to support vegetation restoration and fuel management activities at regional to national scales. Users have applied these products to support a variety of land management needs including exploring ecosystem dynamics, assessing current and desired conditions, and simulating the effects of management actions. In an era of rapid ecological change, these products provide land managers with an adaptable tool for understanding ecosystems and predicting possible future conditions.
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Using two designed experiments from a central Oregon juniper woodland, we resampled slash piles and skid trails 8 years after seeding. Our objectives were to assess the long-term vegetation response to conifer removal, ground disturbance, and seeding source (cultivar and local) in slash piles and skid trails. We found that seeded species persisted in the long term, but abundance patterns depended on the species, seed source, and the type of disturbance. In general, there were more robust patterns of persistence after pile burning compared to skid trails. Seeding also suppressed exotic grass cover in the long term, particularly for the local seed source. However, the invasion levels we report are still problematic and may have impacts on biodiversity, forage and fire behavior. Our short-term results were not predictive of longer-term outcomes, but short- and long-term patterns were somewhat predictable based on species life history traits and ecological succession. The use of a mix of species with different life history traits may contribute to seeding success in terms of exotic grass suppression. Lastly, our results suggest that locally adapted seed sources may perform as well or better compared to cultivars. However, more aggressive weed treatments before and after conifer removal activities and wider seeding application may be needed to effectively treat exotic grass populations.
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A new Special Section in the journal BioScience provides an in-depth exposition of the Resist-Accept-Direct framework, a new approach to guide natural resource decision making. Articles in the Special Section explore the practical application of the framework, compatibility of existing tools, social barriers and opportunities, and future science needs.
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More than a century after first appearing in the region, exotic annual grasses continue to proliferate and establish dominance in new environments across the Great Basin. Accelerated, strategic intervention is critically needed to conserve vulnerable sagebrush and salt desert shrub communities not yet heavily invaded. In this era of warming, future climate provides important context for selecting from among alternative management actions and judging long-term prospects of success.
Webinar recording.
During this peer learning session attendees will learn about impactful partnerships at the local, regional, and national level, including:
- The partnership between the Forest Service and the National Forest Foundation and the NFF’s role as a Congressional chartered nonprofit;
- Partnerships between the Forest Service and nonprofits at the regional level and the role of the regional partnership coordinator in supporting these relationships;
- Partnerships with local friends groups as given in an example by the Friends of the Bridger-Teton; and
- Have an opportunity to ask questions of the speakers
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A Special Section in the journal BioScience provides an in-depth exposition of the Resist-Accept-Direct framework, a new approach to guide natural resource decision making. Articles in the Special Section explore the practical application of the framework, compatibility of existing tools, social barriers and opportunities, and future science needs.
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In this study, we used wildfire simulations and building location data to evaluate community wildfire exposure and identify plausible disasters that are not based on typical mean-based statistical approaches. We compared the location and magnitude of simulated disasters to historical disasters (1984–2020) in order to characterize plausible surprises which could inform future wildfire risk reduction planning. Results indicate that nearly half of communities are vulnerable to a future disaster, that the magnitude of plausible disasters exceeds any recent historical events, and that ignitions on private land are most likely to result in very high community exposure. Our methods, in combination with more typical actuarial characterizations, provide a way to support investment in and communication with communities exposed to low-probability, high-consequence wildfires.
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Despite the increasing challenges wildfires are posing around the globe, and the flourishing production of high quality wildfire scientific knowledge, the ability of fire science to impact knowledge on the ground, for people, society, economy, and the environment, in a way that facilitates change in the current wildfire management system has been limited. We believe that one reason for this limited impact is due to the fragmentation of this scientific knowledge. Therefore, we propose a Translational Wildfire Science (TWFS) as a new field of knowledge that captures the comprehensive dynamics of wildfire events, that provides information relevant, useful, and accessible to practitioners and citizens, and that facilitates the transfer of scientific knowledge into practice. The foundations of TWFS, including the main principles, the overarching characteristics, and the approach of a TWFS scientist, are presented. Finally, the next steps to be undertaken to consolidate TWFS as a new scientific field are identified.
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Here, we advance the practice of using satellite-derived maps with four guiding principles designed to increase end user confidence and thereby accessibility of these data for decision-making.
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Sage-grouse increasingly selected areas closer to conifer removals and were 26% more likely to use removal areas each year after removal. Sage-grouse were most likely to select areas where conifer cover had been reduced by ≤10%. The proportion of available locations having a high relative probability of use increased from 5% to 31% between 2011 and 2017 in the treatment area and locations with the lowest relative probability of use decreased from 57% to 21% over the same period. Dynamics in relative probability of use at available locations in the control area were stochastic or stable and did not demonstrate clear temporal trends relative to the treatment area. Targeted conifer removal is an effective tool for increasing usable space for sage-grouse during the breeding season and for restoring landscapes affected by conifer expansion.