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Filter Total Items: 151
Collecting water samples for eDNA
Date Published: October 24, 2017
Status: Active

Asian Carp Early Detection

Increased threat of Asian carp entering the Great Lakes and spreading to other basins such as the Upper Mississippi River and Ohio River basins, has led to increased prevention and control efforts since 2010. In collaboration with partners, USGS scientists are testing early detection methods and technologies to enhance the ability of agencies to manage Asian carp to minimize their influence...

Contacts: Jon Hortness
Hydraulic and water-quality testing
Date Published: October 23, 2017
Status: Active

Asian Carp Risk Assessment and Life History

Increased threat of Asian carp entering the Great Lakes and spreading to other basins such as the Upper Mississippi River and Ohio River basins, has led to increased prevention and control efforts since 2010. USGS Asian carp biology and life history research has led to the development of models, tools and strategies to better understand the risk of Asian carp establishment and survival....

Contacts: Jon Hortness
Asian carp sound testing pond
Date Published: October 22, 2017
Status: Active

Asian Carp Integrated Control and Containment

Increased threat of Asian carp entering the Great Lakes and spreading to other basins such as the Upper Mississippi River and Ohio River basins, has led to increased prevention and control efforts since 2010.  Successful management of invasive species requires methods to contain future spread, reduce population levels, and minimize their effects.  In collaboration with partners, USGS...

Contacts: Jon Hortness
A tree swallow - Tachycineta bicolor
Date Published: October 20, 2017
Status: Active

Areas of Concern (AOC)

Under GLRI Action Plan II, federal agencies and their partners will continue to remediate and restore Areas of Concern. Federal agencies will implement critical management actions in all of the remaining AOCs and will complete all management actions required to delist the following ten: Buffalo River, Clinton River, Grand Calumet River, Manistique River, Menominee River, Muskegon Lake, River...

Contacts: Jon Hortness
Lake Michigan Bloater
Date Published: October 20, 2017
Status: Active

Aquatic Native Species and Habitat Restoration

During the first five years of the Great Lakes Restoration Initiative, federal agencies and their partners worked to maintain, restore and enhance populations of native fish and wildlife species. The following actions were taken to conserve native species that were once broadly distributed across the lakes: Assisting with the delisting of the federally endangered Lake Erie water snake;...

Contacts: Jon Hortness
Mercury Cycling on Boat
Date Published: October 20, 2017
Status: Active

Toxic Substances

The USGS, federal agencies, and their partners will continue to further evaluate emerging contaminants that have the greatest potential to adversely impact Great Lakes fish and wildlife – impacts which may also result in ecological, economic and recreational consequences. Federal agencies will assess the extent to which identified risks may impede environmental quality and resource management...

Contacts: Jon Hortness
Habitat Savanna
Date Published: October 20, 2017
Status: Active

Terrestrial Native Species and Habitat Restoration

During the first five years of the Great Lakes Restoration Initiative, federal agencies and their partners worked to maintain, restore and enhance populations of native species. The following actions were taken to improve conditions for the endangered and threatened species: bog turtle, Canada lynx, copperbelly water snake, Eastern Massasauga rattlesnake, Hines emerald dragonfly, Karner blue...

Contacts: Jon Hortness
Screenshot of the Science in the Great Lakes (SiGL) Mapper
Date Published: October 13, 2017
Status: Active

Data, Information, and Tools to Support GLRI Activities

The USGS Science in the Great Lakes (SiGL) Mapper is a map-based discovery tool that displays basin-wide multi-disciplinary monitoring and research activities conducted by both USGS and partners across all five Great Lakes. The mapper, a Data Management System, and other tools are easy to access and help scientists and managers strategically plan, implement, and analyze their Great Lakes...

Contacts: Jon Hortness
Ashland WI Lighthouse
Date Published: October 10, 2017
Status: Active

Apostle Island Monitoring

Year-round realtime monitoring of nearshore weather, currents, and water quality in Chequamegon Bay, Lake Superior. The monitoring station is on a historic lighthouse to allow year-round monitoring and the data will be linked into the GLOS network. A time-lapse camera provides images every 15 minutes to the public and researchers. Winds and seiche affect currents and stratification in the bay...

USGS monitoring station at Edge of Field runoff from event
Date Published: October 9, 2017
Status: Active

GLRI Edge of Field Monitoring

Edge-of-field monitoring focuses on identifying and reducing agricultural sources of excess nutrients which threaten the health of the Great Lakes. The USGS supports these efforts by utilizing edge-of-field monitoring to assess the quantity and quality of agricultural runoff and evaluate conservation practices that aim to reduce sediment and nutrient loss.

Contacts: Dave Straub
Image: Precambrian Rocks in the Black Hills, SD
Date Published: September 28, 2017
Status: Completed

Black Hills Hydrology Study

Black Hills Hydrology Study

USGS
Date Published: September 21, 2017

The 1972 Black Hills-Rapid City Flood

The 1972 Black Hills-Rapid City Flood Revisited

Filter Total Items: 15
Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

The 3DEP products and services available through The National Map consist of lidar point clouds (LPC), standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

USGS science for a changing world logo
March 12, 2016

WaterWatch is a U.S. Geological Survey (USGS) World Wide Web site that displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States. The real-time information generally is updated on an hourly basis.

Upper Mississippi River Restoration Program
March 4, 2016

This web resource provides decision makers with the information needed to maintain the Upper Mississippi River System as a viable multiple-use large river ecosystem.

Filter Total Items: 1,746
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Year Published: 2019

A portfolio framework for prioritizing conservation efforts for Yellowstone Cutthroat Trout populations

Managing and conserving native taxa are becoming increasingly challenging because of mounting threats and limited resources, predicating the need for frameworks to prioritize conservation actions. We integrated attributes of population persistence, genetic status, threats from nonnative species, and threats from climatic shifts to prioritize...

Al-Chokhachy, Robert; Shepard, Bradley B.; Burckhardt, Jason C.; Garren, Dan; Opitz, Scott; Koel, Todd M.; Nelson, Lee M.; Gresswell, Robert E.

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Year Published: 2019

Status of the threatened Chiricahua Leopard Frog and conservation challenges in Sonora, Mexico, with notes on other ranid frogs and non-native predators

In North America, ranid frogs (Ranidae) have experienced larger declines than any other amphibian family, particularly species native to the southwestern USA and adjacent Mexico; however, our knowledge of their conservation status and threats is limited in Mexico. We assessed the status of the federally listed as threatened (USA) Chiricahua...

James C. Rorabaugh; Hossack, Blake R.; Muths, Erin L.; Sigafus, Brent H.; Julio A. Lemos-Espinal

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Year Published: 2019

Organic geochemistry and toxicology of a stream impacted by unconventional oil and gas wastewater disposal operations

Water and sediment extracts samples were analyzed for extractable hydrocarbons by gas chromatography/mass spectrometry (GC/MS) using an Agilent (Agilent Technologies, Palo Alto, CA, USA) 7890 series GC and 5975 electron ionization (EI) mass selective detector (MSD) operated in scan mode. Agilent ChemStation software was used for data acquisition...

Orem, William H.; Varonka, Matthew S.; Crosby, Lynn M.; Haase, Karl B.; Loftin, Keith A.; Hladik, Michelle; Akob, Denise M.; Tatu, Calin; Mumford, Adam C.; Jaeschke, Jeanne B.; Bates, Anne L.; Schell, Tiffani; Cozzarelli, Isabelle M.

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Year Published: 2018

Elk research efforts

Presented the history of the NC elk herd and summarized early research to determine the population dispersal and mortality rates, assess habitat use, and evaluate elk’s impact on the national park to estimate the probability of success in establishing a permanent elk population in the Great Smoky Mountains National Park (GSMNP). Gave an overview...

Clark, Joseph D.

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Year Published: 2018

Development of new information to inform fish passage decisions at the Yale and Merwin hydro projects on the Lewis River, Washington—Final report, 2018

The reintroduction of extirpated salmonids to historically occupied areas is becoming increasingly common as a conservation and recovery strategy. Often, reintroductions are implemented after the factors that originally led to species extirpation have been reduced, eliminated, or mitigated. For anadromous Oncorhynchus spp. (Pacific salmon) and O....

Al-Chokhachy, Robert K.; Clark, Christopher L.; Sorel, Mark H.; Beauchamp, David A.
Al-Chokhachy, R., Clark, C.L., Sorel, M.H., and Beauchamp, D.A., 2018, Development of new information to inform fish passage decisions at the Yale and Merwin hydro projects on the Lewis River, Washington—Final report, 2018: U.S. Geological Survey Open-File Report 2018–1190, 206 p., https://doi.org/10.3133/ofr20181190.

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Year Published: 2018

No flood effect on recruitment of a small Louisiana black bear population

A flood event in 2011 had minor impacts on apparent survival and movement probabilities of a small, isolated population of Louisiana black bears (Ursus americanus luteolus) in the Upper Atchafalaya River Basin, Louisiana, USA. However, the potential effects of the flood on recruitment of juveniles into the population, then listed as threatened...

Clark, Joseph D.; O'Connell-Goode, Kaitlin C.; Lowe, Carrie L.; Murphy, Sean M.; Maehr, Sutton C.; Davidson, Maria M.; Laufenberg, Jared S.

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Year Published: 2018

Estimating the risk of elk-to-livestock brucellosis transmission in Montana

Wildlife reservoirs of infectious disease are a major source of human-wildlife conflict because of the risk of potential spillover associated with commingling of wildlife and livestock. In Montana, the presence of brucellosis (Brucella abortus) in free-ranging elk (Cervus canadensis) populations is of significant management concern because of the...

Rayl, Nathaniel D.; Proffitt, Kelly M.; Almberg, Emily S.; Jones, Jennifer D.; Merkle, Jerod A.; Gude, Justin A.; Cross, Paul C.
Rayl, N. D., K. M. Proffitt, E. S. Almberg, J. A. Merkle, J. H. Jones, J. A. Gude, and P. C. Cross. 2018. Modelling elk-to-livestock transmission risk to identify hotspots of brucellosis spillover. Montana Fish, Wildlife and Parks.

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Year Published: 2018

Hidden cost of disease in a free‐ranging ungulate: brucellosis reduces mid‐winter pregnancy in elk

Demonstrating disease impacts on the vital rates of free‐ranging mammalian hosts typically requires intensive, long‐term study. Evidence for chronic pathogens affecting reproduction but not survival is rare, but has the potential for wide‐ranging effects. Accurately quantifying disease‐associated reductions in fecundity is important for advancing...

Cotterill, Gavin G.; Cross, Paul C.; Middleton, Arthur D.; Rogerson, Jared D.; Scurlock, Brandon M.; Du Toit, Johan T.

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Year Published: 2018

Forecasting for dry and wet avalanches during mixed rain and snow storm events

Natural wet slab avalanches release when rain or melt water decreases snowpack strength, and natural dry slab avalanches release when an increased load overcomes snowpack strength. This study investigates avalanche activity resulting from mixed rain and snow falling on a faceted snowpack. This scenario produced an extensive slab avalanche cycle in...

Savage, Scott; Peitzsch, Erich; Trautman, Simon; VandenBos, Benjamin

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Year Published: 2018

Detecting snow depth change in avalanche path starting zones using uninhabited aerial systems and structure from motion photogrammetry

Understanding snow depth distribution and change is useful for avalanche forecasting and mitigation, runoff forecasting, and infrastructure planning. Advances in remote sensing are improving the ability to collect snow depth measurements. The development of structure from motion (SfM), a photogrammetry technique, combined with the use of...

Peitzsch, Erich H.; Fagre, Daniel B.; Hendrikx, Jordy; Birkeland, Karl W.
Peitzsch, E.H., Fagre, D.B., Hendrikx, J., Birkeland, K.W. Detecting snow depth change in avalanche path starting zones using uninhabited aerial systems and structure from motion photogrammetry. In: Proceedings of the 2018 International Snow Science Workshop, Innsbruck, Austria. 8-12 October 2018.

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Year Published: 2018

Identifying management-relevant research priorities for responding to disease-associated amphibian declines

A research priority can be defined as a knowledge gap that, if resolved, identifies the optimal course of conservation action. We (a group of geographically distributed and multidisciplinary research scientists) used tools from nominal group theory and decision analysis to collaboratively identify and prioritize information...

Campbell Grant, Evan H.; Adams, M.J.; Fisher, Robert N.; Grear, Daniel A.; Halstead, Brian J.; Hossack, Blake R.; Muths, Erin L.; Richgels, Katherine L. D.; Russell, Robin E.; Smalling, Kelly L.; Waddle, J. Hardin; Walls, Susan C.; White, C. LeAnn
Grant, E. H. C., Adams, M. J., Fisher, R. N., Grear, D. A., Halstead, B. J., Hossack, B. R., Muths, E., Richgels, K. L. D., Russell, R. E., Smalling, K. L., Waddle, J. H., Walls, S. C., and White, C. L., 2018, Identifying management-relevant research priorities for responding to disease-associated amphibian declines: Global Ecology and Conservation, v. 16, article e00441, 9 p. https://doi.org/10.1016/j.gecco.2018.e00441

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Year Published: 2018

Effects of persistent energy-related brine contamination on amphibian abundance in national wildlife refuge wetlands

To inform sustainable energy development, it is important to understand the ecological effects of historical and current production practices and the persistence of those effects. The Williston Basin is one of North America's largest oil production areas and overlaps the Prairie Pothole Region, an area densely...

Hossack, Blake R.; Smalling, Kelly L.; Anderson, Chauncey W.; Preston, Todd M.; Cozzarelli, Isabelle M.; Honeycutt, R. Ken
Hossack, B. R., K. L. Smalling, C. W. Anderson, T. M. Preston, I. M. Cozzarelli, and R. Ken Honeycutt. 2018. Effects of persistent energy-related brine contamination on amphibian abundance in national wildlife refuge wetlands. Biological Conservation 228:36–43.

Filter Total Items: 181
Chelonid herpesvirus 5 replication
December 31, 2017

Chelonid herpesvirus 5 replication

This microscopic image shows a sun-shaped area within turtle skin cells where chelonid herpesvirus 5 replicates. The virus capsids, or protein shells, are arrayed like a corona around the circle. ChHV5 is associated with fibropapillomatosisa tumor disease affecting endangered green turtles. (Credit: Thierry Work,

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October 25, 2017

Choosing a Data Access Tool: AppEEARS Area Sampler

This video focuses on the Application for Extracting and Exploring Analysis Ready Samples (AρρEEARS) Area Sampler. With AρρEEARS, users can retrieve analysis ready data for specific areas of interest for a variety of NASA data products, including those derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard NASA’s Terra and Aqua satellites. AρρEEARS

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September 19, 2017

Landsat Collections — What are Tiers?

This is the third video in a series describing the new U.S. Geological Survey (USGS) Landsat Collection 1 inventory structure. Collection 1 required the reprocessing of all archived Landsat data to achieve radiometric and geometric consistency of Level-1 products through time and across all Landsat sensors. This video explains how Landsat Collection Level-1 data products

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August 21, 2017

The 2017 Solar Eclipse: Where Will You Be?

On Monday, August 21, 2017, several locations throughout the United States will experience total darkness during the first total solar eclipse in the U.S. in nearly 40 years. Follow along with this video to see satellite imagery of several of these locations that will experience complete darkness for a few minutes when the eclipse occurs. Will you be watching from one of

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July 31, 2017

Getting Started with VIIRS Surface Reflectance Data Part 1

Getting Started with VIIRS Surface Reflectance Data Part 1: All About Accessing Data
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This video focuses on Visible Infrared Imaging Radiometer Suite (VIIRS) surface reflectance data products created by National Aeronautics and Space Administration (NASA) and

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July 31, 2017

Getting Started with VIIRS Surface Reflectance Data Part 2

Getting Started with VIIRS Surface Reflectance Data Part 2: Using the Data
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This video focuses on how to use Visible Infrared Imaging Radiometer Suite (VIIRS) Surface Reflectance data products created by the National Aeronautics and Space Administration (NASA

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July 5, 2017

Return of the Yellowstone Grizzly Bear

Yellowstone grizzly bears inhabit federal, state, tribal, and private lands, and long-term research requires careful coordination across governmental levels. The Interagency Grizzly Bear Study Team (IGBST) is an interdisciplinary group of scientists and biologists responsible for long-term monitoring and research efforts on grizzly bears in the Greater Yellowstone

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June 30, 2017

Landsat Collections - RMSE

Landsat Collections: Providing a Stable Environment Record for Time Series Analysis

This is the second of a three-part video series describing the new U.S. Geological Survey (USGS) Landsat Collection 1 inventory structure. Collection 1 required the reprocessing of all archived Landsat data to achieve radiometric and geometric consistency of Level-1 products through

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Canyon Lake
May 31, 2017

Measuring Streamflow on Rapid Creek

USGS scientists measuring streamflow on Rapid Creek above Canyon Lake and collecting water-quality samples in May 2017.

Cedar Rapids Geophysical Survey
May 5, 2017

Cedar Rapids Geophysical Survey

A helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids, Iowa, as part of a groundwater survey in May 2017.

The flights will collect and record underground geologic measurements to help the U.S. Geological Survey better determine groundwater resources in the Cedar River Aquifer. The helicopter, operated by 

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Cedar Rapids Geophysical Survey - Helicopter and Sensor
May 3, 2017

Cedar Rapids Geophysical Survey - Helicopter and Sensor

A helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids, Iowa, as part of a groundwater survey in May 2017.

The flights will collect and record underground geologic measurements to help the U.S. Geological Survey better determine groundwater resources in the Cedar River Aquifer. The helicopter, operated by 

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Low streamflow on the Arkansas River at Syracuse, Kansas.
June 26, 2017

Human activity, such as groundwater pumping, land management, reservoir operations and urbanization, has a measurable effect on streamflows in Kansas locally, regionally and statewide, according to a new report by the U.S. Geological Survey, done in cooperation with the U.S. Fish and Wildlife Service and the Kansas Department of Wildlife, Parks and Tourism.

Prairie dog and SPV bait
June 22, 2017

Prairie dogs in the wild are less likely to succumb to plague after they ingest peanut-butter-flavored bait that contains a vaccine against the disease, according to a U.S. Geological Survey study published today in the journal EcoHealth.  

Photo of a red dye-tracer study in June 2016 on the Missouri River near Fort Peck Dam, Montana.
June 21, 2017

Reporters: If interested in being notified when the study date is chosen, please contact Jennifer or Susannah.

A juvenile Broad-banded Watersnake that tested positive for snake fungal disease (SFD) exhibiting ulceration of the skin.
June 19, 2017

Europe’s wild snakes could face a growing threat from a fungal skin disease that has contributed to wild snake deaths in North America, according to an international collaborative study, led by conservation charity Zoological Society of London alongside partners including the U.S. Geological Survey. The new study is published in the journal Scientific Reports.

High Plains aquifer water-level changes, predevelopment to 2015
June 16, 2017

The U.S. Geological Survey has released a new report detailing changes of groundwater levels in the High Plains aquifer. The report presents water-level change data in the aquifer for two separate periods: from 1950 – the time prior to significant groundwater irrigation development – to 2015, and from 2013 to 2015.

The Bathythermograph
June 6, 2017

On June 6, 1944, thousands of men rained down from the skies onto the battlegrounds of Normandy. After five grueling years of war that shook the globe, D-Day’s victory swept the Allied nations into a wave of celebration.

Southeastern myotis with Pd - thumb
June 1, 2017

Biologists have confirmed white-nose syndrome in the southeastern bat, or Myotis austroriparius, for the first time. The species joins eight other hibernating bat species in North America that are afflicted with the deadly bat fungal disease.

This image shows the perimeter of Sperry Glacier in Glacier National Park in 1966,1998, 2005, and 2015.
May 10, 2017

The warming climate has dramatically reduced the size of 39 glaciers in Montana since 1966, some by as much as 85 percent, according to data released by the U.S. Geological Survey and Portland State University.

Image: Monarch Male Close-Up
April 27, 2017

As many as 1.8 billion additional stems of milkweed plants may be needed in North America to return imperiled monarch butterflies to a sustainable population size, according to a recently published U.S. Geological Survey study.

Low-flying helicopter survey
April 27, 2017

Starting on May 2 and lasting for about two days, a helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids as part of a groundwater survey.

Jumping Silver Carp
April 26, 2017

If invasive bighead carp and silver carp spread into Lake Michigan, there would be enough food available for these particular species of Asian carp to survive, according to a new study by the U.S. Geological Survey.

Image shows a male white-tailed deer facing to the left of the image.
April 18, 2017

A new tool, which predicted the recent, rapid growth and continued spread of chronic wasting disease in deer, can help forecast and manage other costly biological threats to humans, animals and the environment, according to a recently published U.S. Geological Survey study.

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