Northern Rocky Mountain Science Center

Data and Tools

Below is a list of current Data Resources available from NOROCK. If you are in search of specific resources, please email twojtowicz@usgs.gov.

Filter Total Items: 97
Date published: June 22, 2021

2021 Known and Probable Grizzly Bear Mortalities in the Greater Yellowstone Ecosystem

Identifying the locations and causes of grizzly bear mortality is another key component in understanding the dynamics of this population. Over 80% of all documented bear mortalities are human-caused. Tracking human-caused bear deaths helps define patterns and trends that can direct management programs designed to reduce bear mortality.

Date published: June 7, 2021

2020 Known and Probable Grizzly Bear Mortalities in the Greater Yellowstone Ecosystem

Identifying the locations and causes of grizzly bear mortality is another key component in understanding the dynamics of this population. Over 80% of all documented bear mortalities are human-caused. Tracking human-caused bear deaths helps define patterns and trends that can direct management programs designed to reduce bear mortality.

Date published: April 22, 2021

Glaciers of Glacier National Park Repeat Photography Collection

The “Glaciers of Glacier National Park Repeat Photography Collection” is a compilation of photographs documenting the retreat of glaciers in Glacier National Park, Montana, U.S.A. (GNP) through repeat photography.

Date published: March 8, 2021

Western bumble bee predicted occupancy and detection probability rasters for the western continental United States from 1998 to 2018

These data represent occupancy estimates for western bumble bee across the western continental United States and the spatial variation in detection probabilities that occur during bumble bee surveys. This product contains five raster layers (appearing as separate bands in a multi-band raster).

Date published: February 9, 2021

2019 Known and Probable Grizzly Bear Mortalities in the Greater Yellowstone Ecosystem

Identifying the locations and causes of grizzly bear mortality is another key component in understanding the dynamics of this population. Over 80% of all documented bear mortalities are human-caused. Tracking human-caused bear deaths helps define patterns and trends that can direct management programs designed to reduce bear mortality.

Date published: November 25, 2020

Hoary Marmot Abundance in North Cascades National Park 2007-2008 and 2016-2017

USGS and NPS biologists used distance sampling to estimate abundance of hoary marmots (Marmota caligata) in North Cascades National Park, Washington, USA during 2007-2008 and 2016-2017. Biologists resurveyed hoary marmots in 2016 and 2017 at 78 point-count stations across 19 sites surveyed by NPS in 2007-2008. Data include marmot detection distances and survey conditions used to estimate

Date published: November 19, 2020

Mark-recapture data for a boreal toad metapopulation at the Lost Trail National Wildlife Refuge, Montana (2003-2018)

From 2003-2018, USGS researchers and collaborators conducted mark-recapture studies of the boreal toad at the Lost Trail National Wildlife Refuge in northwestern Montana, USA. The datasets included here contain information on individual toad capture history, body size, and disease status. These data were collected annually over the 16-year period at up to 11 breeding sites per year on the

Date published: October 21, 2020

Environmental DNA data, fish abundance data, and stream habitat data from northwest Montana and northeast Washington and southern British Columbia, Canada

Field estimates of the abundance of two trout species (bull trout and westslope cutthroat trout) in Montana and rainbow trout in Washington and British Columbia were collected in concert with environmental DNA samples (eDNA) to evaluate if eDNA copy numbers correlated with abundance of trout. In addition, stream habitat data including channel units (pools, riffles), substrate,

Date published: October 21, 2020

Fish abundance, environmental DNA, and stream habitat data from Washington, and southern British Columbia, Canada

Field estimates of the abundance of rainbow trout in Washington and British Columbia were collected in concert with environmental DNA samples (eDNA) to evaluate if eDNA copy numbers correlated with abundance of trout. In addition, stream habitat data including channel units (pools, riffles), substrate, large woody debris, among others, were collected at sites.

Date published: October 21, 2020

Fish abundance data, environmental DNA (eDNA) data, and stream habitat data from streams in western Montana

The dataset includes measurements of stream habitat, fish abundance of westslope cutthroat trout and bull trout, and species-specific measures of environmental DNA (eDNA) from within the water. The data covers multiple streams in western Montana.

Date published: October 15, 2020

Molecular detection of Tetracapsuloides bryosalmonae DNA from fish tissues and environmental DNA water samples collected throughout the Inter-mountain West, USA from 2011 to 2019

This dataset contains molecular diagnostic results of the myxozoan parasite Tetracapsuloides byrosalmonae in fish tissue collected from the inter-mountain West, USA.

Date published: October 15, 2020

Cytochrome oxidase subunit I (COI) and internally transcribed spacer region I (ITS1) DNA sequences of Tetracapsuloides bryosalmonae parasites in kidney tissue collected from various water bodies in Montana, USA from 2016 to 2019

This dataset contains DNA sequences of two genomic regions, cytochrome oxidase subunit one and internally transcribed spacer region one, obtained from Tetracapsuloides bryosalmonae infecting the tissue of fish collected from various locations throughout western and central Montana, USA.