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FY2014Although the future of sage grouse depends on the future of sagebrush, we have limited ability to anticipate impacts of climate change on sagebrush populations. Current efforts to forecast sagebrush habitat typically rely on species distribution models (SDMs), which suffer from a variety of well-known weaknesses. However, by integrating SDMs with complementary research approaches, such as historical data analysis and mechanistic models, we can provide increased confidence in projections of habitat change. Our goal is to forecast the effect of climate change on the distribution and abundance of big sagebrush in order to inform conservation planning, and sage grouse management in particular, across the Intermountain...
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Western U.S. rangelands have been quantified as six fractional cover (0-100%) components over the Landsat archive (1985-2018) at 30-m resolution, termed the “Back-in-Time” (BIT) dataset. Robust validation through space and time is needed to quantify product accuracy. We leverage field data observed concurrently with HRS imagery over multiple years and locations in the Western U.S. to dramatically expand the spatial extent and sample size of validation analysis relative to a direct comparison to field observations and to previous work. We compare HRS and BIT data in the corresponding space and time. Our objectives were to evaluate the temporal and spatio-temporal relationships between HRS and BIT data, and to compare...
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Projected current and future distributions of two tree species, Pinus albicaulis (Whitebark pine), Artemisia tridentata (Big Sagebrush), based on empirical bioclimatic models. Many recent changes in tree mortality, tree species distributions, and tree growth rates have been linked to changes in climate. Given that future climatic changes will likely surpass those experienced in the recent past, trees will likely face additional challenges as temperatures continue to rise and precipitation regimes shift. Managing forests in the face of climate change will require a basic understanding of which tree species will be most vulnerable to climate change and in what ways they will be vulnerable. We assessed the relative...
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FY2013Shrub-dominated ecosystems of the Great Basin are being threatened by disturbances, typically wildfire followed by encroachment of invasive plants (e.g., cheat grass). To mitigate these threats and future changes in the climate to big sagebrush (Artemisia tridentata), restorationists require a knowledge base and tools to inform them of the most appropriate seed sources to plant to greatly enhance the success of restoration under contemporary and future climates. We propose to develop climate-responsive seed transfer zones based on associating plant quantitative traits and ecophysiological data from common gardens to the climate of the seed source.
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2013, 2014, 2015, Academics & scientific researchers, Applications and Tools, All tags...
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FY2013“The loss of big sagebrush (Artemisia tridentata Nutt.) on sites disturbed by fire has motivated many restoration seeding and planting efforts. However, the resulting sagebrush establishment is often lower than desired, especially in dry areas. Sagebrush establishment may be increased by addressing factors such as seed source and condition or management of the plant community. The research team assessed initial establishment of seeded sagebrush and four populations of small outplants (from different geographies, climates, and cytotypes) and small sagebrush outplants in an early seral community where mowing, herbicide, and seeding of other native plants had been experimentally applied. No emergence of seeded...
    map background search result map search result map Development of Tools and Technology to Improve the Success and Planning of Restoration of Big Sagebrush Ecosystems All Big Sagebrush Species Land Cover in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (1-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (540-m scale) in the Wyoming Basins Ecoregional Assessment area Big Sagebrush Land Cover in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (1-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (270-m scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (540-m scale) in the Wyoming Basins Ecoregional Assessment area Projected current and future distributions for Big Sagebrush and Whitebark Pine tree species the Pacific Northwest Forecasting Changes in Sagebrush Distribution and Abundance Under Climate Change: Integration of Spatial, Temporal, and Mechanistic Models Restoring Big Sagebrush Temporal and Spatio-Temporal High-Resolution Satellite Data for the Validation of a Landsat Time-Series of Fractional Component Cover Across Western United States (U.S.) Rangelands Development of Tools and Technology to Improve the Success and Planning of Restoration of Big Sagebrush Ecosystems Restoring Big Sagebrush Projected current and future distributions for Big Sagebrush and Whitebark Pine tree species the Pacific Northwest Temporal and Spatio-Temporal High-Resolution Satellite Data for the Validation of a Landsat Time-Series of Fractional Component Cover Across Western United States (U.S.) Rangelands All Big Sagebrush Species Land Cover in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (1-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of All Big Sagebrush Land Cover (540-m scale) in the Wyoming Basins Ecoregional Assessment area Big Sagebrush Land Cover in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (1-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (270-m scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Big Sagebrush Land Cover (540-m scale) in the Wyoming Basins Ecoregional Assessment area Forecasting Changes in Sagebrush Distribution and Abundance Under Climate Change: Integration of Spatial, Temporal, and Mechanistic Models