Data

It is common practice for waste byproducts generated from the treatment of municipal waste (biosolids), livestock production (manure), and oil and gas drilling operations (spent drill fluids and cuttings) to be applied to farmland as a cost-effective means of disposal. From June 2021 to January 2022, 34 samples of land-applied waste materials were collected in 14 U.S. states. Samples...

Quantitative PCR results for samples collected from the Hudson River near Troy, New York by autonomous and manual (backpack) samplers

We used an environmental DNA (eDNA) autosampler and a backpack manual sampler to collect eDNA samples at Naval Base Ventura County's Point Mugu Sea Range in May and June 2025. Samples were sent to Wilderlab for metabarcoding analysis using their basic panel of five primers to amplify DNA from a variety of taxa, including vertebrates (fish, mammals, reptiles, amphibians, and birds)...

This dataset contains quantitative results of environmental DNA water samples from a diverse set of aquatic habitats, including small creeks in Idaho and Montana, a large river in Wisconsin, and an experimental pond in Florida. The frequency of daily sampling was randomly assigned, without duplication, each week to one of four levels: one survey event per day, two survey events per day...

Dataset includes a) counts of mountain goats for multiple surveys across 37 sites inside Glacier National Park 2008-2019, along with biotic and abiotic conditions used in analysis of trend including snow, precipitation, temperature, landcover and habituation; b) predicted numbers of goats using each survey area; and c) microsatellite genotypes for goat pellet samples collected 2019-2023...

We used Wilderlab eDNA kits to collect eDNA samples in a creek colloquially known as Cañada del Puerto Creek (Hydrologic Unit Code 12 number 180600140201) on Santa Cruz Island, California, in May 2025. Samples were sent to Wilderlab for metabarcoding analysis using their comprehensive panel of assays to amplify DNA from a variety of taxa, including vertebrates (fish, mammals, reptiles...

USGS scientists acquired aerial imagery from unmanned aerial vehicles (UAV) to map sagebrush at 25 sites in the Northern Great Plains during June 2023. Data include imagery with 1.5-centimeter (cm) resolution for each 300x300 meter (m) site and imagery at 0.75 cm for each of 10 to 12, 5x5 m plots within each site, and predicted areas of sagebrush for each site from models that classify...

USGS scientists surveyed for American pikas (Ochotona princeps) at sites of documented occurrence before 1980 to evaluate persistance throughout Montana, Wyoming, Idaho, Oregon, and Washington, USA, 2015-2017. Scientists also surveyed for pikas and characterized talus structure and temperature to map talus and identify micro-refugia associated with temperature within a focal study in...

Data blended from a variety of sources to explore the effects of feeding on elk population productivity metrics with the incorporation of climate, predator, and harvest data over a 26-year time frame. Data are for elk herd units in northwestern Wyoming and two herd subunits for southwestern Montana.

USGS researchers surveyed talus patches across the western USA, in conjunction with numerous partners during 2014-2023, inclusive. Data are locations at which wildlife species of statutory interest to state and federal partners were detected, as well as covariate data associated with each location.

The land application of drill fluids is governed by rules established in the Oklahoma Administrative Rules (165:10-7) and permitted by the Oklahoma Corporation Commission (OCC). While data on the volume and location of land application is publicly accessible through the OCC's website, much of the information is in scanned form documents which limits the operability of these data. This...

The data release includes a fish sampling dataset and a dataset of estimates of stream temperature and discharge. These datasets were created to assess how Yellowstone cutthroat trout (Oncorhynchus virginalis bouvieri; formally Oncorhynchus clarkii bouvieri) responded to interannual changes in stream temperature and discharge and the occurrence of non-native brown trout (Salmo trutta)...