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We investigated the dynamics of canine distemper virus (CDV) in grizzly bears (Ursus arctos) and wolves (Canis lupus) of the Greater Yellowstone Ecosystem (GYE) using serological data collected from 1984 to 2014. 565 sera samples were obtained from 425 unique grizzly bears (134 females and 291 males) from 1984 to 2014 and 319 sera samples were obtained from 285 unique wolves (130 females and 155 males) from 1996 to 2014. Here we provide the unique identifier for each individual, the species and sex, the date the individual was captured, the estimated birth year and age, and the CDV antibody titer results based upon serum neutralization assays.
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Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 8.0, December 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access.
Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags...
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A total of 200 soil samples were collected in the Greater Yellowstone Ecosystem in Grand Teton National Park and the National Elk Refuge in July 2019 for chronic wasting disease (CWD) monitoring purposes. To collect samples from locations where ungulates are most likely to be shedding or encountering CWD, we targeted elk collar data locations, known migration routes of mule deer and elk, and areas where yearly elk supplemental feeding generally occurs on the National Elk Refuge. We sampled 10 transects in Grand Teton National Park and 10 transects in the National Elk Refuge, each 1,000 meters in length. We collected soil samples every 100 meters along the transect for a total of 10 samples per transect. Terra Core...
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Ken Pierce was a Research Geologist with the U.S. Geological Survey for over 55 years and authored numerous scientific papers, geologic maps, and field trip guides. This data release contains digital scans of 64 field notebooks 713 annotated aerial photographs, and 640 annotated geologic and topographic maps authored or annotated by Ken Pierce or his collaborators. Information contained in these notebooks, aerial photographs, and maps provide much of the underpinning of Ken Pierce's research, which focused largely on the glacial and geomorphological history of Yellowstone National Park and surrounding areas.
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Field measurements of water depth were acquired from a reach of the Snake River in Grand Teton National Park, WY, August 19-24, 2015, to support research on channel change along the Snake River and, more broadly, remote sensing of rivers. The depth measurements included in this data release were obtained by wading the shallow channel margins and measuring the water depth directly on a top-setting wading rod used to collect flow velocity data with an acoustic Doppler velocimeter (ADV). For the deeper areas representing most of the channel, depths were recorded along a series of cross-sections by a SonTek RiverSurveyor M9 acoustic Doppler current profiler (ADCP) deployed from a kayak with the vertical beam of the...
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Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a citizen science framework.
Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Aquatic Biology, All tags...
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The Grizzly Bear Recovery Zone (GBRZ) for the Greater Yellowstone Ecosystem (GYE) delineates the area inside the GYE where demographic and habitat criteria were applied, monitored, and evaluated to achieve recovered status of the Yellowstone grizzly bear population. The GBRZ was established by the U.S. Fish and Wildlife Service (USFWS) in 1993 as part of the Recovery Plan for grizzly bears in the lower 48 conterminous United States. The recovery zone boundary identifies the known distribution of bears at that time and encompasses seasonal habitats needed to support a recovered population. The GYE recovery zone spans portions of Montana, Idaho and Wyoming and includes parts of 5 National Forests (Beaverhead-Deerlodge,...
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National Park Service administrative unit boundaries for those National Parks inside the Greater Yellowstone Ecosystem. This dataset constitutes a subset of National Park System boundary features extracted from the 9/30/2016 - National Geospatial Data Asset (NGDA) NPS National Parks Dataset.
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Using data from 288 adult and yearling female elk that were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for 5 plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). We then predicted abortion events by combining elk distributions with empirical estimates of daily abortion rates, spatially varying elk seroprevalence, and elk population counts. Here we provide the predicted abortion events on a daily basis at a 500m resolution for the 5 different weather...
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The Conservation Strategy Management Area (CSMA) is an area within which a delisted Yellowstone grizzly bear population was managed with the objective to maintain a stable to increasing population. The CSMA was formalized in the 2007 Federal Rule (72 FR 14866) which removed the Yellowstone distinct population segment from Federal protection as a threatened species under the Endangered Species Act. The CSMA was delineated as the area from within which the Yellowstone grizzly bear population size was estimated and sustainable mortality thresholds and demographic criteria were applied. The decision to replace the CSMA boundary with the Demographic Monitoring Area was first approved by the Yellowstone Ecosystem Subcommittee...
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Patch-level summary of 8 climatic characteristics at each of 1,865 talus patches across 3 regions in the Rocky Mountains. Dataset notes the year in which the patch was surveyed for pikas, the values of its climatic characteristics (estimated from the ClimateNA dataset), the name of each talus patch, and which of the 3 regions each patch occurs in.
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17 adult female elk were captured on or around the National Elk Refuge and monitored with GPS collars from 2006 to 2015. Each of these elk were monitored for 1 to 2 years and migrated from the National Elk Refuge to Yellowstone National Park during the spring. Here we provide the unique identifier for each individual elk, the date/time stamp of each GPS location, the GPS location of the elk in UTMs and Lat-Long, the month of each GPS location, the year of each GPS location, and the date of each GPS location in numeric form.
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Field spectra were collected from the Snake River in Grand Teton National Park, WY, August 23, 2015, to support research on remote sensing of rivers. Reflectance measurements were made from a raft in the Swallow Bend reach of the Snake River using an Analytical Spectral Devices FieldSpec3 spectroradiometer operated in reflectance mode. The depth at each spectral measurement location was interpolated from field measurements of depth obtained with an acoustic Doppler current profiler. This data release provides both the reflectance spectra and the interpolated depths and can be used to develop relationships between depth and reflectance for mapping river bathymetry from field spectra or passive optical remotely sensed...
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The Suitable Habitat boundary identifies areas inside the Greater Yellowstone Ecosystem where habitat is deemed suitable for supporting a viable and self-sustaining Yellowstone grizzly bear population into the foreseeable future. The boundary was established by the U.S. Fish and Wildlife Service (USFWS) and formalized in the 2007 Final Rule to remove the Yellowstone grizzly bear from federal protection as a Threatened species under the Endangered Species Act (72 FR 14866 – currently vacated).
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288 adult and yearling female elk were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars during the brucellosis risk period (February – July) from 2007 to 2015. There were 4 to 64 individual elk per feedground and each elk was monitored for 1 to 2 years. Here we provide the unique identifier for each individual elk, the GPS location of the elk, the date/time stamp of the GPS location, and the feedground the elk was captured on in Wyoming.
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The Distinct Population Segment (DPS) boundary is an area formalized in the 2007 Final Delisting Rule (72 FR 14866) which designates the Greater Yellowstone Ecosystem (GYE) population of grizzly bears (Ursus arctos horribilis) as a single and distinct population from the remaining populations in the lower 48 States. The U.S. Fish and Wildlife Service applied the DPS policy based on the discreteness and significance of the Yellowstone population segment in relation to the remainder of the taxon in the conterminous 48 States.
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We evaluated the thermal regime and relative abundance of native and non-native fish and invertebrates within Kelly Warm Spring and Savage Ditch, Grand Teton National Park, Wyoming. Water temperatures within the system remained relatively warm year round with mean temperatures less than 20 degrees Celsius near the source, and greater than 5 degress Celsius approximately 2 km downstream of the spring source. A total of 5 non-native species were collected; Convict/Zebra Cichlids (Cichlasoma nigrofasciatum), Green Swordtail (Xiphophorus hellerii), Tadpole Madtom (Noturus gyrinus), Guppies (Poecilia reticulate), and Goldfish (Carassius auratus). Non-native fish (Zebra Cichlids and Swordtails), red-rimmed melania snails...
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Hyperspectral image data and various field measurements were acquired from a reach of the Snake River in Grand Teton National Park, WY, August 19-24, 2015, to support research on remote sensing of rivers. This parent data release includes links to child pages for the following data sets: 1) hyperspectral image data; 2) ground-based depth measurements obtained by wading and with with an acoustic Doppler current profiler; 3) reflectance spectra acquired from a raft; and 4) an irradiance profile used to characterize attenuation of light by the water column. Please refer to the individual child pages for further detail about each data set. Overall, these data were used to develop improved methods of estimating water...
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A vertical profile of downwelling spectral irradiance at different depths within the water column was measured on the Snake River in Grand Teton National Park, WY, August 23, 2015, to support research on remote sensing of rivers. Downwelling spectral irradiance data were collected using an Analytical Spectral Devices FieldSpec3 spectroradiometer operated in irradiance mode and deployed from a customized measurement crane. The measurements were made in a reach downstream of Jackson Lake referred to as Swallow bend. In addition, the depth at which each downwelling spectral irradiance measurement was made was obtained using an Onset Hobo pressure transducer mounted next to the spectroradiometer foreoptic on the crane....
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The 2016 Food Storage Order (FSO) boundary layer depicts those areas on Federal lands within the Greater Yellowstone Ecosystem (GYE) where legal requirements pertaining to safe storage, possession, and handling of food and other grizzly bear attractants are implemented. FSOs give Forest Supervisors and National Park Superintendents the authority to close or restrict the use of designated areas under their jurisdiction in order to minimize human/grizzly bear conflicts. As of 2016, FSOs are prescribed on 98% of all Forest and Park Service lands inside the grizzly bear demographic monitoring area of the GYE. FSOs help facilitate connectivity between the Yellowstone grizzly bear and adjacent populations by minimizing...


map background search result map search result map National Park Administrative Units in the GYE Conservation Strategy Management Area for the Yellowstone Ecosystem Distinct Population Segment Boundary of the Yellowstone Grizzly Bear Food Storage Order in the Greater Yellowstone Ecosystem 2016 Suitable Grizzly Bear Habitat in the Yellowstone Ecosystem The thermal regime and species composition of fish and invertebrates in Kelly Warm Spring, Grand Teton National Park, WY-Data Elk GPS collar data in southern GYE 2007-2015 Predicted daily elk abortion events in southern GYE 2010, 2012, 2014 Hyperspectral image data and field measurements used for bathymetric mapping of the Snake River in Grand Teton National Park, WY Field spectra from the Snake River in Grand Teton National Park, WY, August 23, 2015 Downwelling spectral irradiance profile from the Snake River in Grand Teton National Park, WY, August 23, 2015 Depth measurements from the Snake River in Grand Teton National Park, WY, August 19-24, 2015 Grizzly Bear Recovery Zone for the Greater Yellowstone Ecosystem Elk GPS collar data from National Elk Refuge (2006-2015) Canine distemper virus antibody titer results for grizzly bears and wolves in the Greater Yellowstone Ecosystem 1984-2014 Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023) Soil sample locations for chronic wasting disease prion surveillance in Grand Teton National Park and National Elk Refuge 2019 Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Ken Pierce's Legacy Field Notebooks and Annotated Aerial Photographs, Geological, and Topographical Maps from Across the Western United States 1963-2021 (ver. 2.0, January 2024) Climatic data associated with American-pika survey (2011-2021) locations in 3 regions of the Rocky Mountains Depth measurements from the Snake River in Grand Teton National Park, WY, August 19-24, 2015 Hyperspectral image data and field measurements used for bathymetric mapping of the Snake River in Grand Teton National Park, WY Downwelling spectral irradiance profile from the Snake River in Grand Teton National Park, WY, August 23, 2015 Field spectra from the Snake River in Grand Teton National Park, WY, August 23, 2015 Elk GPS collar data from National Elk Refuge (2006-2015) National Park Administrative Units in the GYE Elk GPS collar data in southern GYE 2007-2015 Predicted daily elk abortion events in southern GYE 2010, 2012, 2014 Grizzly Bear Recovery Zone for the Greater Yellowstone Ecosystem Canine distemper virus antibody titer results for grizzly bears and wolves in the Greater Yellowstone Ecosystem 1984-2014 Suitable Grizzly Bear Habitat in the Yellowstone Ecosystem Conservation Strategy Management Area for the Yellowstone Ecosystem Food Storage Order in the Greater Yellowstone Ecosystem 2016 Distinct Population Segment Boundary of the Yellowstone Grizzly Bear Climatic data associated with American-pika survey (2011-2021) locations in 3 regions of the Rocky Mountains Ken Pierce's Legacy Field Notebooks and Annotated Aerial Photographs, Geological, and Topographical Maps from Across the Western United States 1963-2021 (ver. 2.0, January 2024) Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023)