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Delivering adequate water supplies to support expanding human enterprise while maintaining the necessary flow regimes to support desired riparian ecosystems and formally protected wildlife species that depend upon them is increasingly difficult in the arid western United States. Many riparian systems have undergone dramatic alteration over the last 50 - 100 years, exacerbating the conflicts between resource use and biodiversity protection. One of the most visible changes that is in part due to altered flow regimes is the establishment of invasive plant species in riparian ecosystems. The highest priority invasive riparian plant is the Eurasian tree/shrub, tamarisk (or saltcedar, Tamarix spp.) the third most abundant...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags...
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FY2017There is an increasing concern and need for the conservation of springsnails and other endemic mollusks and for conservation of the unique spring and springbrook habitats on which they depend (Hershler et al 2014; Abele 2011). Nationwide, several of these species have been listed as endangered or threatened under provisions of the ESA; others are candidates for federal listing or are undergoing review by USFWS for possible future listing actions. These species can be particularly susceptible to localized threats and specific knowledge necessary for effective site-based conservation is often limited or lacking.Springsnail are particularly susceptible to extinction because the entire population of any single...
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Eggshell thickness was measured at the egg equator and poles (sharp pole and blunt pole) for 12 avian species. Eggshell thickness was related to egg morphometrics (egg length and width), embryonic development, egg status, and mercury contamination. Individual eggshells each have up to 3 thickness measurements, linked by the eggshell identification. Each measurement has the corresponding egg length, egg width, egg status, mercury concentration, and nest identification. Additionally, eggshell thickness was measured at 5 equally spaced positions along the longitude of the egg (sharp pole, quarter egg, half egg, three quarter egg, and blunt pole) in a subset of Forster's tern (Sterna forsteri) eggs. These data support...
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Successful adaptive management hinges largely upon integrating new and improved sources of information as they become available. Updating management tools for greater sage-grouse (Centrocercus urophasianus, hereafter referred to as “sage-grouse”) populations, which are indicators for the large-scale health of sagebrush (Artemisia spp.) ecosystems in the Great Basin of North America, provide a timely example for this tenet. Recently developed spatially-explicit habitat maps derived from empirical data played a key role in the conservation of this species facing listing under the Endangered Species Act. Herein, this report provides an updated process for mapping relative habitat suitability and management categories...
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The sagebrush ecosystem spans over 175 million acres in the western United States, and is biologically, culturally, and economically significant to the country. Many disturbances including prolonged drought, pinyon-juniper encroachment, and cycles of invasive grasses and wildfire, pose significant threats to the resilience of the sagebrush biome. To conserve the sagebrush biome and promote community and economic sustainability, the Department of the Interior’s bureaus and offices are working together with many public and private partners to implement a “defend and grow the core” approach to conserve remaining intact sagebrush habitat and ecosystem functions, as well as restore other habitat types which are important...
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This USGS data release consists of 15 geospatial datasets for Smith Valley and Mason Valley, west-central Nevada, including contours representing groundwater levels based on depth-to-water measurements, groundwater-level change rasters calculated from groundwater-level contours, groundwater-level change rasters calculated from depth-to-water point values, and groundwater monitoring well locations with groundwater-level data used to develop groundwater-level contours. Groundwater-level contours representing conditions in 1970 (Huxel and Harris, 1969; Rush and Schroer, 1976) and 2006 (Lopes and Allander, 2009) were compiled from previous studies and revised with minor adjustments. Two additional groundwater-level...
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This USGS data release contains the regional potentiometric contours representing the regional potentiometric surface for Clark County, Nevada, 2009-2015. Contours represent the groundwater-level altitude with a 250-foot contour interval and were created from groundwater elevations from 58 wells and surface elevations from 5 springs.
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The Spring Mountains are critical habitat for the Spring Mountains mule deer herd in southern Nevada. The Spring Mountains west of Las Vegas, Nevada range in elevation from low meadows at 3,000 ft (910 m) to Charleston Peak at nearly 12,000 ft (3,632 m). Lower elevations are dominated by desert scrub and shrubland transitioning to Yucca brevifolia (Joshua tree) and pinyon-juniper forest at midelevations, with mixed montane conifer including ponderosa pine and Pinus longaeva (bristlecone pine) pine at higher elevations, and sparse alpine grasses and forbs above the tree line. The migratory behavior of the Spring Mountains mule deer herd is variable, with a mix of year-round residents and short-distance elevational...
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The Spring Mountains are critical habitat for the Spring Mountains mule deer herd in southern Nevada. The Spring Mountains west of Las Vegas, Nevada range in elevation from low meadows at 3,000 ft (910 m) to Charleston Peak at nearly 12,000 ft (3,632 m). Lower elevations are dominated by desert scrub and shrubland transitioning to Yucca brevifolia (Joshua tree) and pinyon-juniper forest at midelevations, with mixed montane conifer including ponderosa pine and Pinus longaeva (bristlecone pine) pine at higher elevations, and sparse alpine grasses and forbs above the tree line. The migratory behavior of the Spring Mountains mule deer herd is variable, with a mix of year-round residents and short-distance elevational...
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FY2014The project team surveyed land managers working on invasive weeds in the west. These surveys provided information for the Western Association of Fish and Wildlife (WAFWA) Wildfire and Invasive Species Initiative Working Group. The survey results and other findings were used to inform a report titled Invasive Plant Management and Greater Sage-Grouse Conservation,published last spring.
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FY2014This project will explore tribal cultural relationships and practices connected to resources and other aspects of nature that are potentially affected by climate change. Tribes are disproportionately affected by climate change because their economies, traditions, and even identity are heavily reliant on place-based natural resources, and changes in these resources may result in associated shifts and adaptations in tribal cultural traditions. Dr. Samantha Chisholm Hatfield, an enrolled member of the Confederated Tribes of Siletz and a cultural anthropologist, will interview elders with two tribes in the Great Basin in order to learn how a changing environment has affected aspects of tribal culture. Observations...
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The bull trout is an ESA-listed species that relies on cold stream environments across the Northwest and is expected to decline with climate change. Resource managers are charged with maintaining bull trout across their range, but monitoring this species is difficult and many populations have rarely or never been sampled. To reduce this uncertainty (and regulatory gridlock), we propose to coordinate a crowd-sourced field assessment of the distribution of bull trout in the U.S. by using inexpensive, reliable environmental DNA (eDNA) sampling. Samples collected by this multi-partner effort can be used to evaluate many other species (e.g., a biodiversity assessment) with no additional field costs and can serve as a...
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This project will result in development of an information management and delivery system to coordinate science communication platforms and to build a catalog inside of the USGS ScienceBase data and information management platform. The tasks maximize use of available products and services developed and tested by data experts working together through LCC's, Climate Science Centers, and the National Climate Change and Wildlife Science Center. In working with USGS Fort Collins (FORT) to complete the tasks, the Desert LCC will be responsible for providing input on specifications, data entry and maintenance of records in Science Base to populate the tools that comprise the information management and delivery system, and...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2014, AZ-01, AZ-02, AZ-03, AZ-04, All tags...
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FY2017There is an increasing concern and need for the conservation of springsnails and other endemic mollusks and for conservation of the unique spring and springbrook habitats on which they depend (Hershler et al 2014; Abele 2011). Nationwide, several of these species have been listed as endangered or threatened under provisions of the ESA; others are candidates for federal listing or are undergoing review by USFWS for possible future listing actions. These species can be particularly susceptible to localized threats and specific knowledge necessary for effective site-based conservation is often limited or lacking.Springsnail are particularly susceptible to extinction because the entire population of any single...
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Riparian ecosystems are among the most productive and diverse ecosystems in desert biomes. In the Sonoran, Chihuahuan, and Mojave deserts of the United States and Mexico, riparian ecosystems support regional biodiversity and provide many ecosystem services to human communities. Due to the dynamic nature of these ecosystems and their abundance of resources, riparian areas have been modified in various ways and to a large extent through human endeavor to manage water and accommodate various land uses, particularly in lowland floodplains and stream channels. Modifications often interfere with multiple and complex ecological processes, resulting in the loss of native riparian vegetation and increasing vulnerability...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2013, AZ-01, AZ-02, AZ-03, AZ-04, All tags...
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FY2014Recent drought, change agents and the spectrum of greater management needs have highlighted the relative dearth of in situ weather and climate measurement stations in the Great Basin. Thus, interest has grown in supplementing or initiating atmospheric and hydrologic measurements.The purpose of this project was: To review the existing station networks in the context of management needs by providing examples of how climate observation gaps can be assessed Provide some guidelines for the placement of new or augmented stations.This project was funded as a target of opportunity.
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Project to provide information to support the GBLCC’s implementation of a new project tracking system.FY2016Nevada Department of Wildlife (NDOW) is a member of the Great Basin Landscape Conservation Cooperative (GBLCC) steering committee. NDOW would like to strategically partner with the GBLCC and others to collaborate on data gathering, organizing, identifying geographic priorities and creating a strategic plan for habitat work. However, NDOW lacks a larger guiding document or strategic plan that demonstrates their strategic priorities in terms of wildlife management and habitat projects. Such a guiding document would further NDOWs efforts to provide enhanced leadership across the state and build closer and more...
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This Data Release contains version 3.0 of two related earthquake geology databases for use in the 2023 U.S. National Seismic Hazard Model. The databases are: 1) A fault sections database (“NSHM23_FSD_v3”), which depicts the geometry of faults capable of hosting independent earthquakes, and 2) an earthquake geology site information database (“NSHM23_EQGeoDB_v3”), which contains fault slip rate constraints at points. These databases cover the 12 western U.S. states: Washington, Oregon, California, Idaho, Nevada, Arizona, Montana, Wyoming, Colorado, New Mexico and Texas. Datasets containing crustal fault information for Alaska and the central and eastern United States were prepared by Bender and others, 2021 and Thompson...
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Our 2010 statewide connectivity analysis identified broad-scale priority areas for connectivity conservation. More detailed, finer-scale analyses will give land managers the information they need to begin prioritizing and implementing conservation actions. The Columbia Plateau (Appendix A, Fig. 1) was selected for the first ecoregional-scale analysis for two reasons. First, several climate models suggest that the Columbia Plateau Ecoregion in Washington is likely to be a stronghold of shrubsteppe ecosystems under climate change. Second, despite the high level of habitat loss and fragmentation in the ecoregion, our statewide analysis identified previously undocumented patterns and opportunities for multiple-species...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Burrowing Owl, CA-1, California, California, Climate Change, All tags...


map background search result map search result map From Genotype to River Basin: The combined impacts of climate change on bio-control on a dominant riparian invasive tree/shrub (Tamarisk spp.) Desert LCC Data Management and Delivery A rapid range-wide assessment of bull trout distributions: a crowdsourced, eDNA-based approach with application to many aquatic species Spatially Explicit Modeling of Annual and Seasonal Habitat for Greater Sage-Grouse (Centrocercus urophasianus) in Nevada and Northeastern California - an Updated Decision-Support Tool for Management Invasive Species Management Contributions to Greater Sage-grouse Conservation West-wide. Understanding Native Cultural Dimensions of Climate Change in the Great Basin Literature Review: Fire Effects and Management in Riparian Ecosystems of the Southwestern United States and Mexico Washington Connectivity: Columbia Basin Supplemental Data for: Drilling, Construction, Water Chemistry, Water Levels, and Regional Potentiometric Surface of the Upper Carbonate-Rock Aquifer in Clark County, Nevada, 2009-2015 (1:500,000) Development of a Regional Springsnail Conservation Strategy Strategic Planning Document for Nevada Department of Wildlife and Great Basin Landscape Conservation Cooperative Development of a Regional Springsnail Conservation Strategy Assessment of Climate Monitoring For Land Management in the Great Basin Avian Eggshell Thickness for 12 Species in the Western U.S. from 2014 to 2018 Supplemental Data: Estimated effects of pumping on groundwater storage and Walker River stream efficiencies in Smith and Mason Valleys, west-central Nevada OFR 61-91 - Tables of Annual Production of Gold, Silver, Copper, Lead, & Zinc for the States of California, Idaho, Montana, Nevada, Oregon, Washington. 1991. Earthquake geology inputs for the U.S. National Seismic Hazard Model (NSHM) 2023 (western U.S.) (ver. 3.0, December 2023) Nevada Mule Deer Spring Mountains Migration Corridors Nevada Mule Deer Spring Mountains Routes Sagebrush Collaborative Restoration Landscapes to Support Management Efforts Improving Fire Resiliency and Restoration in the Sagebrush Biome A rapid range-wide assessment of bull trout distributions: a crowdsourced, eDNA-based approach with application to many aquatic species Understanding Native Cultural Dimensions of Climate Change in the Great Basin Nevada Mule Deer Spring Mountains Routes Nevada Mule Deer Spring Mountains Migration Corridors Supplemental Data: Estimated effects of pumping on groundwater storage and Walker River stream efficiencies in Smith and Mason Valleys, west-central Nevada Supplemental Data for: Drilling, Construction, Water Chemistry, Water Levels, and Regional Potentiometric Surface of the Upper Carbonate-Rock Aquifer in Clark County, Nevada, 2009-2015 (1:500,000) Invasive Species Management Contributions to Greater Sage-grouse Conservation West-wide. From Genotype to River Basin: The combined impacts of climate change on bio-control on a dominant riparian invasive tree/shrub (Tamarisk spp.) Spatially Explicit Modeling of Annual and Seasonal Habitat for Greater Sage-Grouse (Centrocercus urophasianus) in Nevada and Northeastern California - an Updated Decision-Support Tool for Management Strategic Planning Document for Nevada Department of Wildlife and Great Basin Landscape Conservation Cooperative Development of a Regional Springsnail Conservation Strategy Development of a Regional Springsnail Conservation Strategy Washington Connectivity: Columbia Basin Assessment of Climate Monitoring For Land Management in the Great Basin Sagebrush Collaborative Restoration Landscapes to Support Management Efforts Improving Fire Resiliency and Restoration in the Sagebrush Biome Avian Eggshell Thickness for 12 Species in the Western U.S. from 2014 to 2018 Literature Review: Fire Effects and Management in Riparian Ecosystems of the Southwestern United States and Mexico Desert LCC Data Management and Delivery OFR 61-91 - Tables of Annual Production of Gold, Silver, Copper, Lead, & Zinc for the States of California, Idaho, Montana, Nevada, Oregon, Washington. 1991. Earthquake geology inputs for the U.S. National Seismic Hazard Model (NSHM) 2023 (western U.S.) (ver. 3.0, December 2023)