Data and Tools

Science Datasets

The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.

Filter Total Items: 246
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July 10, 2017

Cottonwood management at Theodore Roosevelt National Park, North Dakota

This data release consists of sex ratio data from cottonwood trees at random points on the floodplain; tree core and tree ring data; floodplain and riparian cottonwood forest areas as shapefiles (SHP); and edges of water, channel centerline, valley bottom centerline, extent of valley bottom, and estimated bankfull channel data as shapefiles (SHP). 

Janet Ruth releasing a color-banded male Grasshopper Sparrow. Photo by Noel Snyder.
July 6, 2017

Life history attributes data for Arizona Grasshopper Sparrow (Ammodramus savannarum ammolegus) in Arizona 2013

The Arizona Grasshopper Sparrow (Ammodramus savannarum ammolegus) occurs in the desert and plains grasslands of southeastern Arizona, southwestern New Mexico, and northern Sonora, Mexico. This data was produced as part of the first intensive study of its life history and breeding ecology, providing baseline data and facilitating comparisons with other North American Grasshopper Sparrow subspecies.

Adult roundtail chub
July 6, 2017

DATA RELEASE - Bioelectrical Impedance Analysis for an Endangered Desert Fish

These data were used to examine the effectiveness of a non-lethal tool (Bioelectrical Impedance Analysis) to estimate the physiological condition of endangered and threatened fishes in the Colorado River Basin. Humpback chub, bonytail, and roundtail Chub were subjected to different feeding trials to elicit a response in physiological condition.

American Black Duck (Anas rubripes)
July 6, 2017

Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay

This data set is comprised of five files related to the modification and scoring of Index of Waterbird Community Integrity (IWCI) scores for all waterbirds of the Chesapeake Bay. One Excel file (A) contains a list of 100+ Chesapeake waterbird species and their species attribute and IWCI scores.

Conversion Threat Index from 2000 to 2100 for ecoregions in the Pacific Northwest
June 22, 2017

Land use threats and protected areas - data

Data from Wilson, T.S., Sleeter, B.M., Sleeter, R. R., Soulard, C.E. 2014, Land use threats and protected areas: a scenario-based landscape level approach, Land, 3 (2): 362-389. Three maps showing land-use conversion potential, forest harvest potential, and conversion threat index are available for the Pacific Northwest, years 2000-2100.

Close-up of an Agassiz's desert tortoise with tortoise looking towards camera. Tortoise is on a rocky, arid hill slope.
June 22, 2017

DATA RELEASE - Desert Tortoise Reproductive Ecology and Precipitation, Mojave and Sonoran Deserts

Estimated precipitation data were compiled from 1995-2013 for sites near Palm Springs, CA and at Sugarloaf Mountain in the Tonto National Forest of AZ. We were interested in data for winter (October-March) and summer precipitation (June-September). These two periods are important for desert tortoise ecology since they trigger germination of food plants in the spring and in the summer.

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June 15, 2017

Reproductive strategy, spawning induction, spawning temperatures and early life history of captive sicklefin chub Macrhybopsis meeki-Data

Macrhybopsis reproduction and propagule traits were studied in the laboratory using two temperature regimes and three hormone treatments and which methods produced the most spawns. Results from this study determined the reproductive biology and early life history of Macrhybopsis spp. and provided insight into their population dynamics in the Missouri River.

Soil profile in dryland region. The top of the horizon is a light brown and the bottom half of the horizon is darker in color.
May 24, 2017

DATA RELEASE - Automated Reference Toolset (ART)

These environmental raster covariate, geospatial vector data, and tabular data were compiled as input data for the Automated Reference Toolset (ART) algorithm. These data are a subset of all the environmental raster covariate data used in the ART algorithm.

A wild Galapagos tortoise surrounded by vegetation on Santa Cruz Island in the Galapagos archipelago.
May 24, 2017

DATA RELEASE - Full Annual Cycle Bioenergetics Model of Migration Applied to Galapagos Tortoises

Data on ambient-shade temperature, Normalized Difference Vegetation Index (NDVI) between February 1, 2010 and January 31, 2011 used for input onto a bioenergetics-based movement model for Galapagos turtles.

Looking down on the Colorado River in Grand Canyon. A submerged sandbar is adjacent to a sandy beach.
May 24, 2017

DATA RELEASE - Geomorphic Process from Topographic Form

These data were used for the development and validation of the automated workflow for mechanistic segregation of geomorphic transport mechanisms presented in the manuscript "Geomorphic Process from Topographic Form: Automating the Interpretation of Repeat Survey Data in River Valleys."

Close-up of cane bluestem grass seed head on the bank of the Colorado River in Grand Canyon.
May 24, 2017

DATA RELEASE - Plant Functional Traits, Colorado River, Grand Canyon, 2012-2014

Data were compiled or measured (depending on the trait) for 110 plant species which were documented in vegetation monitoring surveys in years 2012-2014 along the Colorado River through Grand Canyon National Park. New trait data were collected for specific leaf area, stem specific gravity, δ13C, δ15N, percent carbon and nitrogen, and carbon:nitrogen ratio.

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May 22, 2017

Physical, chemical and bioassay data from an evaluation of metal-contaminated sediments and pore water from the Upper Columbia River, Washington, 2013-2014

Chemistry and toxicity data from sediment toxicity tests conducted by the USGS Columbia Environmental Research Center (CERC) with 66 sediment samples collected from in and around the Upper Columbia River in the fall of 2013. Toxicity testing was conducted with the amphipod, Hyalella azteca, the midge Chironomus dilutus, and the mussel Lampsilis siliquoidea.