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FY2014The goals for the project are1) Develop a Walker River Vision document which will include Traditional Ecological Knowledge (TEK) of the traditional plants, wildlife, fish and water located on the reservation and traditional hunting/ gathering areas of the Agai Dicutta Numa (Walker River Paiutes) for use in future resource management planning and cultural sustainability..2) Develop a pilot project along the Walker River on the reservation by planting willows and other traditional plants to determine best practices for re-vegetation.This project will focus on GBLCC Goal 2: Focus science and management actions to sustain natural resources in the context of changing environmental conditions.The proposed project...
The Integrated Rangeland Fire Management Strategy (hereafter Strategy, DOI 2015) outlined the need for coordinated, science-based adaptive management to achieve long-term protection, conservation, and restoration of the sagebrush (Artemisia spp.) ecosystem. A key component of this management approach is the identification of knowledge gaps that limit implementation of effective strategies to meet current management challenges. The tasks and actions identified in the Strategy address several broad topics related to management of the sagebrush ecosystem. This science plan is organized around these topics and specifically focuses on fire, invasive plant species and their effects on altering fire regimes, restoration,...
Bromus tectorum (cheatgrass) has widely invaded the Great Basin, U.S.A. The sporadic natural phenomenon of complete stand failure (‘die- off’) of this invader may present opportunities to restore native plants. A recent die-off in Nevada was precision-planted with seeds of the native grasses Poa secunda (Sandberg bluegrass) and Elymus elymoides (bottlebrush squirreltail), of both local and nonlocal origin, to ask: 1) Can native species be restored in recent B. tectorum die-offs? And 2) Do local and nonlocal seeds differ in performance? Additionally, we asked how litter removal and water addition affected responses. Although emergence and growth of native seeds was lower in die-off than control plots early in year...
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FY2017Increasing effectiveness of post-fire treatments is a management priority, such as is emphasized in Secretarial Order #3336 on rangeland fire and restoration, which prescribes a programmatic, longer-term approach that accommodates the layering of different treatments in sagebrush-steppe rangelands. The phasing of treatments by applying them in different post-fire years is an important part of wildfire response that, along with timing of livestock grazing resumption, likely affects overall project success - but is yet under studied. This projects objective is to determine the incremental gains in increasing desirable perennials and decreasing exotic annual grasses with the phasing of land management actions...
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FY2016This project will develop a strategic approach for conservation of wet meadows and riparian ecosystems and the species they support that focuses on threats caused by natural and anthropogenic disturbance. It uses information on (1) the factors that affect wet meadow and riparian ecosystem resilience to both natural and human-caused disturbances at the scale of the watershed and meadow or riparian ecosystem, and (2) the distributions and population abundances of at risk species to determine focal areas for management. Maps of the relative resilience of watersheds and wet meadows are overlaid with data on at risk species and the predominant threats to facilitate this process. Decision matrices are developed...
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FY2013Cheatgrass die-offs are unexplained instances of stand failure observed in areas of Nevada and Utah, where cheatgrass fails to grow even though it has been a dominant component of plant communities in the past. The goals of this project are to:1) provide information on the size and extent of historic (1985 - 2012) die-offs in the Winnemucca area using satellite imagery, and 2) determine if die-offs are restoration opportunities by planting and monitoring local and commercially available native grasses in die-off areas.Support is requested to fund monitoring of the restoration project through a second growing season and to develop predictive spatial models of die-off from analysis of satellite imagery and GIS...
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FY2016This project will evaluate the effects of vegetation treatments on population connectivity, genetic diversity and gene flow of wildlife species across the full extent of the Great Basin LCC. The recently approved BLM and Forest Service Land Use Plan Amendments will implement millions of acres of treatments in support of greater sage-grouse conservation. It is essential to evaluate the potential benefits and risks of these treatments on the connectivity and fragmentation of the landscape for multiple non-target species. We will use a dynamic landscape model to simulate fire and treatments, allowing each to vary by type (e.g., juniper removal, prescribed fire), extent, and influence on vegetation and fuels....
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Applications and Tools, CA1, CA1, CA1, All tags...
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This report summarizes activities and data collection outcomes for Cooperative Agreement Award F16AC01182, specifically those research activities conducted as a multi-scale assessment of the effects of juniper removal on songbird, small mammal, and raptor/corvid species. In 2017, we conducted 270 surveys for songbirds, 10 surveys for small mammals, and 77 surveys for avian predators that potentially affect greater sage-grouse. We detected 45 songbird species, 6 mammal species, and 9 species of aerial predators. Data collected by PhD student Aaron Young (aarony@uidaho.edu) will be used as part of a doctoral dissertation. Final products are expected to include a final report, a graduate student dissertation and associated...
The phenomenon of cheatgrass die-off is a common and naturally- occurring stand failure that can eliminate the presence of this annual grass for a year or more, affecting tens to hundreds of thousands of acres in some years. We designed a study to determine if the temporary lack of cheatgrass caused by die-offs is a restoration opportunity. We seeded native perennial species at three die-offs in the Winnemucca, Nevada area. Native grass establishment in die-offs was almost three times higher in the first season at all sites, relative to adjacent areas without die-off. In the second season, establishment was five times higher in the die-off at two sites, and plants were notably larger in the die-off at the third...
Content Changing aspen distribution in response to climate change and fire is a major focus of biodiversity conservation, yet little is known about the potential response of aspen to these two driving forces along topoclimatic gradients. Objective This study is set to evaluate how aspen distribution might shift in response to different climate-fire scenarios in a semi-arid montane landscape, and quantify the influence of fire regime along topoclimatic gradients. Methods We used a novel integration of a forest landscape succession and disturbance model (LANDIS-II) with a fine-scale climatic water deficit approach to simulate dynamics of aspen and associated conifer and shrub species over the next 150 years under...
The loss of big sagebrush (Artemisia tridentata Nutt.) on sites disturbed by fire has motivated 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. We 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 sagebrush was detected. Mowing...
This presentation aired as part of the Great Basin LCC webinar series on August 28, 2017. Speakers include Matt Germino, U.S. Geological Survey and Great Basin LCC; David Pyke, U.S. Geological Survey; Richard Lee, Bureau of Land Management; Mike Gregg, U.S. Fish and Wildlife Service; Jane Mangold, Montana State University; and Brynne Lazarus, U.S. Geological Survey.Download the presentation slides: http://bit.ly/2wHxN9CDescription: Cheatgrass (Bromus tectorum) and medusahead (Taeniatherum caput-medusae) invasions pose a serious threat to Great Basin ecosystems. Managers and scientists are hopeful that strains of the bacterium Pseudomonas fluorescens that have been selected for their weed-suppressive properties in...
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FY2010In addition to regional Science and Traditional Ecological Knowledge projects that the Great Basin LCC (GBLCC) supports, GBLCC staff lend technical expertise to a range of projects and have contributed to important regional publications on a range of subjects. These publications range in type from textbooks, to management-oriented science and conservation plans, to scientific papers and have covered subjects like wind erosion following fire, soil microbiota response to drought, plant community resilience to invasive species, and alpine plant communities. In many cases these publications form foundations for scientifically-informed management strategies across the Great Basin.
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FY2016Monitor the diversity and abundance of winged insects (including Lepidoptera, Hymenoptera, Coleoptera, Diptera, and Hemiptera), which include many key insect pollinators, using an array of passive and active trapping methods. Monitor bat diversity and relative densities using passive acoustic monitoring stations (we will use full-spectrum passive recording units). Monitor diversity and abundance of reptiles (lizards and snakes), using trap arrays (pitfall and coverboard) and time-constrained visual encounter surveys. Create empirically supported models of reptile, bat, and insect diversity and abundance as a function of vegetation structure and composition, microclimate, and other environmental variables,...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Datasets/Database, Federal resource managers, Great Basin, Great Basin, All tags...
Land managers are responsible for developing effective strategies for conserving and restoring Great Basin ecosystems in the face of invasive species, conifer expansion, and altered fire regimes. A warming climate is magnifying the effects of these threats and adding urgency to implementation of management practices that will maintain or improve ecosystem functioning. This Factsheet Series was developed to provide land managers with brief summaries of the best available information on contemporary management issues to facilitate science delivery and foster effective management. Each peer-reviewed factsheet was developed as a collaborative effort among knowledgeable scientists and managers. The series begins with...
On July 14, 2015 speaker Owen Baughman presented on his work in restoring areas of cheatgrass die-off.The phenomenon of complete stand failure (or die-off) of cheatgrass results in the absence of this invasive grass from the invaded site for one or more growing seasons. Our work seeks to determine if this phenomenon represents an opportunity for restoring native species. Results from two experiments at four Northern Nevada sites over three years are demonstrating that seeded native grasses can have higher success in recent die-offs when compared to seedings in sites that did not die-off. These promising findings indicate that restoring native diversity in highly-invaded systems can be facilitated by targeting die-offs...
This report provides a strategic approach developed by a Western Association of Fish and Wildlife Agencies interagency working group for conservation of sagebrush ecosystems, Greater sage-grouse, and Gunnison sage-grouse. It uses information on (1) factors that influence sagebrush ecosystem resilience to disturbance and resistance to nonnative invasive annual grasses and (2) distribution and relative abundance of sage-grouse populations to address persistent ecosystem threats, such as invasive annual grasses and wildfire, and land use and development threats, such as oil and gas development and cropland conversion, to develop effective management strategies. A sage-grouse habitat matrix links relative resilience...
This document will assist Tribal and non-Tribal managers to guide water and water quality management. The ideas presented here are intended to help ensure that planned management activities are aligned with the priorities, goals, and needs of the Tribal community that depends upon the river system.
On October 27, Paul Rogers of the Western Aspen Alliance discussed the impact of climate change on aspen ecosystems, with an emphasis on aspen fire types.The presentation covered the variability of aspen responses to fire and emphasized unique fire-related systems to wean practitioners from one-size-fits-all prescriptions for aspen forests. The Western Aspen Alliance is a partnership established to improve the management of aspen by linking ecological, social and economic sciences through collaboration and information sharing.
“The loss of foundational but fire-intolerant perennials such as sagebrush due to increases in fire size and frequency in semi-arid regions has motivated efforts to restore them, often with mixed or even no success. Seeds of sagebrush Artemisia tridentata and related species must be moved considerable distances from seed source to planting sites, but such transfers have not been guided by an understanding of local climate adaptation. Initial seedling establishment and its response to weather are a key demographic bottleneck that likely varies among subspecies and populations of sagebrush.We assessed differences in survival, growth and physiological responses of sagebrush seedlings to weather among eleven seed sources...
map background search result map search result map Understanding the Causes and Consequences of Cheatgrass Die-offs in the Great Basin Measuring the Regional Impacts of Pinyon and Juniper Removal on Insect, Bat, and Reptile Communities A Multi-scale Resilience-based Framework for Restoring and Conserving Great Basin Wet Meadows and Riparian Ecosystems Effects of Treatments on the Connectivity and Fragmentation of Wildlife Populations across the Great Basin Walker River Paiute Tribe TEK Project Matching support to JFSP projects on post-fire recovery of sagebrush and perennial grasses Research and Publications Authored and Supported by GBLCC Staff Progress Report: Multi-scale assessment of wildlife response after juniper removal in a sagebrush steppe landscape Measuring the Regional Impacts of Pinyon and Juniper Removal on Insect, Bat, and Reptile Communities Walker River Paiute Tribe TEK Project Progress Report: Multi-scale assessment of wildlife response after juniper removal in a sagebrush steppe landscape Understanding the Causes and Consequences of Cheatgrass Die-offs in the Great Basin A Multi-scale Resilience-based Framework for Restoring and Conserving Great Basin Wet Meadows and Riparian Ecosystems Effects of Treatments on the Connectivity and Fragmentation of Wildlife Populations across the Great Basin Research and Publications Authored and Supported by GBLCC Staff Matching support to JFSP projects on post-fire recovery of sagebrush and perennial grasses