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This ScienceBase space provides an array of USGS Series publications, journal articles, and other published references for the Gap Analysis Project (GAP). Information on GAP-related publications can also be found at: https://www.usgs.gov/core-science-systems/science-analytics-and-synthesis/gap/publications
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The Management Strategy for Migratory Birds on the Mississippi River corridor from Wabasha, Minnesota, to St. Louis, Missouri (Strategy), is a cooperative effort of the U.S. Fish and Wildlife Service, the Biological Resources Division of the U.S. Geological Survey, the Illinois Department of Natural Resources, the Illinois Natural History Survey, the Iowa Department of Natural Resources, the Minnesota Department of Natural Resources, the Missouri Department of Conservation, and the Wisconsin Department of Natural Resources and is designed to create an "integrated, ecological, and proactive approach to management of habitats used by migratory bird populations" within the Upper Mississippi River System. The Migratory...
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Habitat similarity index (HSI) values for greater sage-grouse across their western range. HSI values represent the relationship of environmental values at map locations to the multivariate model of minimum requirements for sage-grouse deļ¬ned by land cover, anthropogenic variables, soil, topography, and climate.
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The broadly shared information needs for grassland managers in the North Central region to meet conservation goals in a changing climate are presented and ranked as highly relevant, somewhat relevant, or not relevant for federal, state, tribal, and non-governmental grassland-managing entities.
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This data release consists of statistical predictions of daily salinity time series generated from the makESTUSAL software repository described by Asquith and others (2023b). The statistical methods included multiple methods of machine learning, which produced the daily salinity prediction and attendant credible uncertainties included in the data release. The geographic scope includes the predictions for 91 locations within bays and estuaries of the Gulf of Mexico, United States. The 91 locations are organized across 15 salinity groups and represented in the organizational structure of this data release. The input data files of imputed salinity (observations, response variable) and covariates (predictor variables)...
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Conclusions: The proportion of sage-grouse nests located within 3 vs 5 km suggested that a 5 km buffer around a lek encompassed the majority of nests. The results indicate that land managers should strive to maintain a 5 km buffer around known sage-grouse lek locations in order to ensure sage-grouse breeding success. Thresholds/Learnings: A 5000m buffer around sage-grouse leks encompassed the majority (64%) of sage-grouse nests. Synopsis: This study used radio-telemetry to determine nesting patterns of Greater Sage-Grouse relative to leks in a relatively contiguous sagebrush habitat in Wyoming. The proportion of nests located within 3 vs 5 km suggested that a 5 km buffer around a lek encompassed the majority of...
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Numerous wind energy projects have been constructed in the central and southern Great Plains, USA, the main wintering area for midcontinent Sandhill Cranes (Grus canadensis). We assessed exposure of wintering Sandhill Cranes to the current distribution of wind towers in the central and southern Great Plains by estimating overlap using location data from platform transmitting terminals (PTT) collected during winters 1998–2004. Because 90% of wind towers in the region were installed 2004–2013, comparing an established distribution of wind towers (as of January 2014) with pre-construction crane (1998-2004) distribution provides an initial assessment of the midcontinent population’s exposure. Distributions of cranes...
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Airborne Geophysical Surveys over the 2011 Mineral, Virginia, Earthquake Area The 2011 moment magnitude (Mw) 5.8 central Virginia earthquake was felt by millions of people and caused significant damage in the eastern United States. As part of efforts to better understand the faults and geologic features associated with the earthquake, the U.S. Geological Survey commissioned airborne geophysical surveys over the epicentral area. Here we present the data from those surveys and summarize research results based on those datasets. The following items can be obtained by following links on this page: - Background information on the Mineral, Virginia earthquake and a summary of first analysis results - Downloadable...
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In 2021 and 2022, the U.S. Geological Survey (USGS), in cooperation with the Idaho Department of Water Resources (IDWR), drilled and constructed well SEP 16 (431900112593601) approximately 6 miles south-southeast of Big Southern Butte in Butte County, Idaho. The purpose of the well installation was to collect geologic, geophysical, and hydrologic data. On July 13, 2022, the USGS Idaho National Laboratory Project Office (INLPO) collected select geophysical logs within the cased well including natural gamma, neutron, neutron porosity, and gamma-gamma dual density logs. Gyroscopic deviation data were also collected during geophysical surveying to account for the horizontal and vertical displacement of the well. On...
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This file provides a table of all the of Species of Greatest Conservation Need listed in the North Central states' (MT, WY, CO, ND, SD, NE, and KS) State Wildlife Action Plans as of summer 2020. Species are organized by the number of states which listed them as Species of Greatest Conservation Need, and then by scientific name. Federal status is also provided for each species. This table is adapted from an unpublished species list compiled by the North Central Climate Adaptation Science Center.
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Dr. Richard Janda of the USGS began a channel monitoring program in Redwood Creek in northern coastal California in 1973. The USGS continued this work through 2013, when the Research Geologist, Dr. Mary Madej retired. This effort produced 40 years of channel change data in rivers that were disrupted by severe erosion following timber harvest of old-growth redwood forests, a portion of the program's data (plus 1953 data) has been preserved in this data release. Original field surveys documented bank erosion, aggradation, and degradation at 60 cross-sectional transects at annual or biannual timesteps. Three river reaches also have long-term longitudinal channel bed surveys which document the distribution and development...
    map background search result map search result map Publications of the Gap Analysis Project Sage Grouse HSI (habitat similarity index) Spatial distribution of greater sage-grouse nests in relatively contiguous sagebrush habitats. Geographic information system modeling procedures for the Upper Mississippi River System migratory bird pilot project Airborne Geophysical Surveys over the 2011 Mineral, Virginia, Earthquake Area Wintering sandhill crane exposure to wind energy development in the central and southern Great Plains, USA datasets River Channel Survey Data, Redwood Creek, California, 1953-2013 Species of Greatest Conservation Need in the North Central Region Broadly Shared Information Needs Among Grassland Managers in the North Central Region Drilling, construction, geophysical, water quality, and aquifer test data for well SEP 16, Butte County, Idaho Modeled daily salinity derived from multiple machine learning methodologies for 91 salinity monitoring sites in the northern Gulf of Mexico, 1980–2021 Sage Grouse HSI (habitat similarity index) Airborne Geophysical Surveys over the 2011 Mineral, Virginia, Earthquake Area Spatial distribution of greater sage-grouse nests in relatively contiguous sagebrush habitats. Geographic information system modeling procedures for the Upper Mississippi River System migratory bird pilot project Modeled daily salinity derived from multiple machine learning methodologies for 91 salinity monitoring sites in the northern Gulf of Mexico, 1980–2021 Wintering sandhill crane exposure to wind energy development in the central and southern Great Plains, USA datasets Species of Greatest Conservation Need in the North Central Region Broadly Shared Information Needs Among Grassland Managers in the North Central Region Publications of the Gap Analysis Project