Mission Areas

Ecosystems

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Ecosystems provides unbiased science, tools, and decision support to our Nation’s natural resource managers, with particular focus on the science needs of the Department of Interior bureaus to conserve species, lands, and priority ecosystems; fulfill treaty obligations; provide water for irrigation and human consumption; and manage mineral and energy resources.

USGS Pollinator Research

USGS Pollinator Research

Do you eat fruits and vegetables? What about nuts? If so, you can thank an insect pollinator, usually a honey bee. Honey bee populations are declining but USGS scientists are becoming honey bee helpers.

Find out more

Leaf to Landscape

Leaf to Landscape

USGS scientists have launched a new program using California's hotter drought as a forecaster for forest vulnerability worldwide.

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Where's our Science?

Where

Find out where Ecosystems Science Centers, Field Stations, and Cooperative Research Units are located.

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News

Tadpole with SPI
September 19, 2017

A deadly amphibian disease called severe Perkinsea infections, or SPI, is the cause of many large-scale frog die-offs in the United States, according to a new study by the U.S. Geological Survey

Issue5.8August2017Thumb
September 18, 2017

Science to Support Salmon Recovery Efforts in the Puget Sound

Image: Burning Sagebrush
September 6, 2017

An examination of long-term data for lands managed by the Bureau of Land Management finds that land treatments in the southwestern United States are increasingly large, expensive and related to fire and invasive species control.

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Male Okaloosa darter
September 26, 2017

This website provides access to the list of imperiled freshwater and diadromous fishes of North America as determined by the 2008 American Fisheries Society (AFS) Endangered Species Committee (ESC) on Fishes....

Adult and juvenile Piping Plovers (Kaiti Titherington/USFWS)
September 5, 2017

Federally-listed as threatened since 1986, the Atlantic Coast Piping Plover (Charadrius melodus) population comprises fewer than 2,000 breeding pairs, according to the most recent census data. These breeding pairs are the target of the U.S. Fish and Wildlife Service’s (USFWS) species recovery plan....

The Little Missouri River, flood plain
August 30, 2017

Aquatic Systems Branch scientists analyze rings of riparian trees relating tree growth and establishment to historical flow. We then use the tree rings to reconstruct the flow in past centuries. Flow reconstructions discover the frequency and magnitude of past droughts and floods—information that is essential for management of rivers and water supplies. We...

GLSC - Coast
August 14, 2017

Midwest Region scientists are conducting research to help restore the Great Lakes and advance the goals of the Great Lakes Restoration Initiative (GLRI). Studies include aquatic invasive species control; restoration of native fish and habitats and coastal wetlands; monitoring phosphorus or other nutrients from watersheds to rivers to the Great Lakes to reduce harmful algal blooms.

Silver Carp - UMESC
August 7, 2017

USGS invasive species science in the Midwest Region is focused on early detection, risk assessment and development of new management control tools and strategies to prevent spread of invasives including Asian carp, invasive mussels, and Phragmites (an invasive wetland plant) in areas including Great Lakes and the Mississippi and Missouri River basins.

Apple snail remains after being preyed upon by a raccoon
August 1, 2017

The maculata apple snail (Pomacea maculata) has invaded many coastal and some inland areas in south Louisiana. Reports have indicated that the freshwater snails have significantly reduced the amount of submerged aquatic vegetation (SAV) and floating leaved vegetation (FLV) available for waterfowl and other wildlife.

Fig. 1. A flow cytometric histogram of larval Grass Carp cells
August 1, 2017

Differentiating diploids from triploids at the earliest life stage possible allows for a more efficient use of resources including production time and rearing space. Thus, a reliable flow cytometric (FCM) method has been developed to discriminate triploids from diploids at the larval stage. In order to help simplify the process of differentiating triploids from diploids, we propose a...

Map of Ten Thousand Islands, Florida
August 1, 2017

Mangroves have decreased worldwide due to human development, climate change and other forces. In southwest Florida, tremendous growth and development pressure has resulted in appreciable losses in mangrove wetlands.

Reptile specimens
July 31, 2017

Scientists and staff of the USGS Patuxent Wildlife Research Center stationed at the Smithsonian National Museum of Natural History (NMNH) do research on the systematics and conservation of vertebrate species and curate and manage the North American collections of Amphibian, Reptile, Bird, and Mammal specimens and associated records....

Image: California’s Hotter Drought and Tree Death
June 23, 2017

Dr. Nathan Stephenson and colleagues seek to determine what changes are occurring in forests, why they are occurring, and what they mean. For example, they have documented a long-term, apparently climatically-induced increase of tree mortality rates in otherwise undisturbed old forests across the western U.S., implying that these forests could become net sources of atmospheric carbon dioxide...

NPS photo of a Black-Crowned Night Heron
June 12, 2017

Years after the last inmate departed Alcatraz Island, waterbirds like Black-crowned Night Herons and Snowy Egrets still make the forbidding island their home. The National Park Service has requested the aid of WERC’s Dr. Pete Coates to inform efforts to expand visitor access to the Island, and simultaneously maintain healthy waterbird populations....

Severn River, Annapolis, Maryland, a tributary to Chesapeake Bay, showing high sediment
May 12, 2017

The 64,000-square mile watershed that drains to the Chesapeake Bay is highly populated and has diverse land use, including forested, agricultural, and urbanized areas. Increased precipitation in the eastern United States over the last 100 years has affected stream flow and thus the loading of pollutants delivered to the bay. Such pollutants as suspended sediment and dissolved phosphorus and...

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Long-tailed duck swimming
August 7, 2017

Atypical Feeding Behavior of Long-tailed Ducks in the Wake of a Commercial Fishing Boat while Clamming

Data represents analyses of gizzard and gullet (esophagus and proventriculus) of nine ducks using traditional techniques

An Online Database for IHN Virus
July 27, 2017

An Online Database for IHN Virus in Pacific Salmonid Fish: MEAP-IHNV

The Molecular Epidemiology of Aquatic Pathogens (MEAP)-IHNV Database

The MEAP-IHNV database provides access to detailed data for anyone interested in IHNV molecular epidemiology, such as fish health professionals, fish culture facility managers, and academic researchers.

New England Salt Marsh
July 12, 2017

Development of a Multimetric Index for Integrated Assessment of Salt Marsh Ecosystem Condition

This dataset is comprised of eight files related to salt marsh monitoring data or measures of of human disturbance (i.e. human impacts in terms of physical, chemical, and land-use stressors) collected at 33 marsh study units (MSUs) in five National Parks within the NPS Northeast Coastal and Barrier Network (NCBN) along the NE coast of the US.

USGS logo
July 11, 2017

Analysis of Land Disturbance and Pygmy Rabbit Occupancy Values Associated With Oil and Gas Extraction in Southwestern Wyoming, 2012

Germaine, S.S., Carter, S.K., Ignizio, D.A., and Freeman, A.T., 2017, Analysis of Land Disturbance and Pygmy Rabbit Occupancy Values Associated With Oil and Gas Extraction in Southwestern Wyoming, 2012: U.S. Geological Survey data release, https://doi.org/10.5066/F7BR8QDD. DOI: 10.5066/F7BR8QDD

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.

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.

North American Breeding Bird Survey (BBS)
April 27, 2017

North American Breeding Bird Survey Dataset 1966 - 2016, version 2016.0

The 1966-2016 North American Breeding Bird Survey dataset contains avian point count data for more than 700 North American bird taxa (species, races, and unidentified species groupings).  These data are collected annually during the breeding season, primarily June, along thousands of randomly established roadside survey routes in the United States and Canada.

Mallard
March 28, 2017

Low-pathogenic avian influenza viruses in wild migratory waterfowl in a region of high poultry production, Delmarva, Maryland

This data set is comprised of four files related to the biosurveillance of low pathogenic avian influenza viruses (LPAIV) in migratory waterfowl at 22 locations in the Maryland portion of the Delmarva Peninsula in fall/winter of 2013-2014. 

Grasses and woody plants growing along river with walls on Grand Canyon visible to one side.
March 22, 2017

DATA RELEASE - Southwestern Riparian Plant Trait Matrix, Colorado River, Grand Canyon, Arizona, 2014 - 2016

This dataset contains information on the physical traits and environmental tolerances of plant species occurring along the lower Colorado River through Grand Canyon. Data for the matrix were compiled from published scientific papers, unpublished reports, plant fact sheets, existing trait databases, regional floras, and plant guides.

Disentangling the mechanisms regulating coastal wetland sustainability in the face of rising sea levels
March 14, 2017

Quantitative Analysis Using Structural Equation Modeling

USGS scientists have been involved for a number of years in the development and use of Structural Equation Modeling (SEM). This methodology represents an approach to statistical modeling that focuses on the study of complex cause-effect hypotheses about the mechanisms operating in systems.

Snowy Egret BBS Map
February 8, 2017

The North American Breeding Bird Survey, Results and Analysis 1966 - 2015

This website presents population change information for more than 400 species of North American birds, as estimated from the North American Breeding Bird Survey. Estimates of trend (interval-specific estimates of population change), annual indices of abundance, and maps of abundance and population change for these species are presented for a variety of regions.

Wood Frog, Lithobates sylvatica
February 8, 2017

North American Amphibian Monitoring Program (NAAMP) anuran detection data from the eastern and central United States (1994-2015)

The North American Amphibian Monitoring Program (NAAMP) was a collaborative citizen science effort between the US Geological Survey (USGS) and 26 Partners (state agencies, universities, and nonprofits) for monitoring calling amphibian populations over much of the eastern and central United States.

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WERC Locations
July 20, 2017

WERC headquarters, field stations, and sub-stations strategically located in or near California and Nevada bioregions, form the core of the WERC science program.

Brown bear (Ursus arctos) and Chum Salmon (Oncorhynchus keta)
February 15, 2017

In this Year in Review report, you will find details on staffing, vacancies, research funding, and other pertinent information. You will also see snapshots of Unit projects with information on how results have been or are being applied by cooperators. That is the essence of what we do: science that matter.

 

WERC Sooty Shearwater (Puffinus griseus) 2011-2012 Density map (birds/sq km) Summer - north
November 9, 2016

Sooty Shearwater (Puffinus griseus) Density map (birds/sq km) Summer - north as part of the Pacific Continental Shelf Environmental Assessment (PaCSEA) project. 
Project contacts: Josh Adams josh_adams@usgs.gov,  John Takekawa john_takekawa@usgs.gov, Jonathan Felis jfelis@usgs.gov
Partner partners: National Oceanic and Atmospheric Administration and U.S. Bureau of Ocean Energy Management

USGS science for a changing world logo
March 7, 2016

Multiple search functions: State, major drainage area (HUC2), drainage area (HUC6), drainage area (HUC8), Zebra Mussel Collections, and fact sheets.

Mule deer
February 1, 2016

The Cooperative Research Unit mission is our hallmark: meeting the actionable science needs of our cooperators, providing them technical guidance and assistance in interpreting and applying new advances in science, and developing the future workforce through graduate education and mentoring. 

WERC SOLAR map
September 2, 2014

Multiple large scale solar, wind, and geothermal energy development projects are currently proposed across the Mojave and Sonoran deserts of the southwestern U.S., and these development needs are likely to continue or increase into the future. Agencies tasked with managing biological resources must understand the potential impacts in order to select appropriate sites and to mitigate effects. 

Extinct Taxa in States/Provinces of North America (2012)
April 22, 2012

Extinct Taxa in States/Provinces of North America (2012)

Extinct Taxa in Ecoregions of North America (2012)
April 22, 2012

Extinct Taxa in Ecoregions of North America (2012)

Numbered Ecoregions of North America (2008)
April 22, 2008

Numbered Ecoregions of North America (2008)

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Year Published: 2017

U.S. Geological Survey sage-grouse and sagebrush ecosystem research annual report for 2017

The sagebrush (Artemisia spp.) ecosystem extends across a large portion of the Western United States, and the greater sage-grouse (Centrocercus urophasianus) is one of the iconic species of this ecosystem. Greater sage-grouse populations occur in 11 States and are dependent on relatively large expanses of sagebrush-dominated habitat. Sage-grouse...

Hanser, Steven E.
Attribution: Ecosystems
Hanser, S.E., ed., 2017, U.S. Geological Survey sage-grouse and sagebrush ecosystem research annual report for 2017: U.S. Geological Survey Circular 1436, 54 p., https://doi.org/10.3133/cir1436.

Year Published: 2017

U.S. Geological Survey—Energy and wildlife research annual report for 2017

IntroductionTerrestrial and aquatic ecosystems provide valuable services to humans and are a source of clean water, energy, raw materials, and productive soils. The Nation’s food supply is more secure because of wildlife. For example, native pollinators enhance agricultural crops, and insect-eating bats provide pest control services worth billions...

Khalil, Mona
Attribution: Ecosystems
Khalil, Mona, ed., 2017, U.S. Geological Survey—Energy and wildlife research annual report for 2017: U.S. Geological Survey Circular 1435, 91 p., https://doi.org/10.3133/cir1435.

Year Published: 2017

Biological and ecological science for Florida—The Sunshine State

Florida is rich in sunshine and other natural resources essential to the State's economy. More than 100 million tourists visit Florida's beaches, wetlands, forests, oceans, lakes, and streams where they generate billions of dollars and sustain more than a million jobs. Florida also provides habitat for several thousand freshwater and marine fish,...

Attribution: Ecosystems
U.S. Geological Survey, 2017, Biological and ecological science for Florida—The Sunshine State: U.S. Geological Survey Fact Sheet 2017-3066, 2 p., https://doi.org/10.3133/fs20173066.

Year Published: 2017

Biological and ecological science for Montana—The Treasure State

Montana is rich in minerals, energy, and soils, as well as prairies, forests, mountains, rivers, lakes, fish, and wildlife. Many enterprises that drive the economy are based on natural resources, including tourism, hunting, fishing, agriculture, and energy development. The outdoor-recreation economy alone supports 64,000 Montana jobs and generates...

Attribution: Ecosystems
U.S. Geological Survey, 2017, Biological and ecological science for Montana—The Treasure State: U.S. Geological Survey Fact Sheet 2017-3052, 2 p., https://doi.org/10.3133/fs20173052.

Year Published: 2017

USGS integrated drought science

Project Need and OverviewDrought poses a serious threat to the resilience of human communities and ecosystems in the United States (Easterling and others, 2000). Over the past several years, many regions have experienced extreme drought conditions, fueled by prolonged periods of reduced precipitation and exceptionally warm temperatures. Extreme...

Ostroff, Andrea C.; Muhlfeld, Clint C.; Lambert, Patrick M.; Booth, Nathaniel L.; Carter, Shawn L.; Stoker, Jason M.; Focazio, Michael J.
Attribution: Ecosystems
Ostroff, A.C., Muhlfeld, C.C., Lambert, P.M., Booth, N.L., Carter, S.L., Stoker, J.M., and Focazio, M.J., 2017, USGS integrated drought science: U.S. Geological Survey Circular 1430, 24 p., https://doi.org/10.3133/cir1430.

Year Published: 2017

Macroclimatic change expected to transform coastal wetland ecosystems this century

Coastal wetlands, existing at the interface between land and sea, are highly vulnerable to climate change. Macroclimate (for example, temperature and precipitation regimes) greatly influences coastal wetland ecosystem structure and function. However, research on climate change impacts in coastal wetlands has concentrated primarily on sea-level...

Gabler, Christopher A.; Osland, Michael J.; Grace, James B.; Stagg, Camille L.; Day, Richard H.; Hartley, Stephen B.; Enwright, Nicholas M.; From, Andrew; McCoy, Meagan L.; McLeod, Jennie L.
Gabler, C.A., Osland, M.J., Grace, J.B., Stagg, C.L., Day, R.H., Hartley, S.B., Enwright, N.M., From, A.S., McCoy, M.L., and McLeod, J.L., 2017, Macroclimatic change expected to transform coastal wetland ecosystems this century: Nature Climate Change, Advanced Online, http://dx.doi.org/10.1038/nclimate3203.

Year Published: 2017

The USGS National Wildlife Health Center: Advancing wildlife and ecosystem health

In 1975, the Federal government responded to the need for establishing national expertise in wildlife health by creating the National Wildlife Health Center (NWHC), a facility within the Department of the Interior; the NWHC is the only national center dedicated to wildlife disease detection, control, and prevention. Its mission is to provide...

Moede Rogall, Gail; Sleeman, Jonathan M.
Moede Rogall, Gail, and Sleeman, J.M., 2017, The USGS National Wildlife Health Center: Advancing wildlife and ecosystem health: U.S. Geological Survey Fact Sheet 2016-3102, 6 p., https://doi.org/10.3133/fs20163102.

Year Published: 2017

Ecological risk assessment of Grass Carp (Ctenopharyngodon idella) for the Great Lakes Basin

Grass Carp (Ctenopharyngodon idella) is an herbivorous, freshwater fish that was first introduced in the United States in the early 1960s for use in biological control of aquatic vegetation. It has since escaped and dispersed through the Mississippi River basin towards the Great Lakes. To characterize the risk of Grass Carp to the Great Lakes...

Kolar, Cynthia S.; Cudmore, Becky
Attribution: Ecosystems
DFO. 2017. Ecological Risk Assessment of Grass Carp (Ctenopharyngodon idella) for the Great Lakes Basin. DFO Can. Sci. Advis. Sec. Sci. Advis. Rep. 2016/057.

Year Published: 2016

USGS science and technology help managers battle invading Asian carp

The U.S. Geological Survey (USGS) conducts Asian carp research focused on early detection, risk assessment, and development of control tools and strategies. The goals are to prevent the establishment of invasive Asian carp in the Great Lakes and to reduce their impacts in the Ohio River and Mississippi River Basins and elsewhere. Managers can use...

Kolar, Cynthia S.; Morrison, Sandra S.
Attribution: Ecosystems
Kolar, C.S., and Morrison, S.S., 2016, USGS science and technology help managers battle invading Asian carp: U.S. Geological Survey Fact Sheet 2016-3063, 4 p., http:/dx.doi.org/10.3133/fs20163063.

Year Published: 2016

U.S. Geological Survey—Energy and Wildlife Research Annual Report for 2016

Recent growth and development of renewable energy and unconventional oil and gas extraction are rapidly diversifying the energy supply of the United States. Yet, as our Nation works to advance energy security and conserve wildlife, some conflicts have surfaced. To address these challenges, the U.S. Geological Survey (USGS) is conducting innovative...

Khalil, Mona
Khalil, Mona, ed., 2016, U.S. Geological Survey—Energy and Wildlife Research Annual Report for 2016: U.S. Geological Survey Open-File Report 2016–1147, 59 p., http://dx.doi.org/10.3133/ofr20161147.

Year Published: 2016

Renewable energy and wildlife conservation

The renewable energy sector is rapidly expanding and diversifying the power supply of the country. Yet, as our Nation works to advance renewable energy and to conserve wildlife, some conflicts arise. To address these challenges, the U.S. Geological Survey (USGS) is conducting innovative research and developing workable solutions to reduce impacts...

Khalil, Mona
Khalil, Mona, 2016, Renewable energy and wildlife conservation: U.S. Geological Survey Fact Sheet 2016-3067, 4 p., http://dx.doi.org/10.3133/fs20163067.

Year Published: 2016

Land-use change reduces habitat suitability for supporting managed honey bee colonies in the Northern Great Plains

Human reliance on insect pollination services continues to increase even as pollinator populations exhibit global declines. Increased commodity crop prices and federal subsidies for biofuel crops, such as corn and soybeans, have contributed to rapid land-use change in the US Northern Great Plains (NGP), changes that may jeopardize habitat for...

Otto, Clint R.; Roth, Cali; Carlson, Benjamin; Smart, Matthew
Otto, C. R. V., C. L. Roth, B. L. Carlson, and M. D. Smart. 2016. Land-use change reduces habitat suitability for supporting managed honey bee colonies in the Northern Great Plains. Proceedings of the National Academy of Sciences. Early edition online, 6p. doi: 10.1073/pnas.1603481113.

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USGS logo
January 23, 2017

Estimates patch occupancy rates and related parameters.

USGS logo
July 14, 2016

fatalityCMR - capture-recapture software to correct raw counts of wildlife fatalities using trial experiments for carcass detecition probability and persistence time. Version 3.0

Colorado State University Logo
May 2, 2016

A suite of software tools and models developed by Colorado State University and the USGS Colorado Cooperative Fish And Wildlife Research Unit.

University of Vermont Logo
May 2, 2016

Tools for automated acoustic monitoring of nature.

FITS Logo
May 2, 2016

Software from the American Fisheries Society

Oregon State University Logo
May 2, 2016

FW599: An introduction to data management and R for Fisheries and Wildlife applications--- a lighthearted look

InVEST logo
May 2, 2016

The InVEST tool allows researchers to evaluate relationships between land management actions and wild bee populations.

USGS logo
January 1, 1999

CloseTest is a Windows program for testing capture-recapture data

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Emperor geese standing near the shoreline on Kodiak Island
2017 (approx.)
Emperor geese gathered near the shoreline on Kodiak Island.
Measuring sea urchins 1
2017 (approx.)
When it comes to collecting data, sometimes scientists have to look beneath the surface. Here, USGS scientists count and measure sea urchins to better understand the species' demographics off the coast of Oahu, Hawaii. This information will help managers best respond to urchin die-offs, should they occur in the future.
Sea Lamprey Larvae in Electrofishing Basket
2017 (approx.)
This image shows sea lamprey in their larvae phase. Slower sea lamprey growth rates during the larval phase of development may increase the odds of sea lampreys becoming male, according to a USGS study. S ea lamprey s are an invasive, parasitic species of fish damaging the Great Lakes.
Monarch on hairy puccoon
2017 (approx.)
A monarch butterfly on a hairy puccoon plant.
Sea turtle
2017 (approx.)
Green sea turtles are listed as threatened or endangered throughout their range. (Credit: Thierry Work, USGS)
Sea Lamprey Larvae on White Background
2017 (approx.)
This image shows a sea lamprey in its larvae phase. Slower sea lamprey growth rates during the larval phase of development may increase the odds of sea lampreys becoming male, according to a USGS study. S ea lamprey s are an invasive, parasitic species of fish damaging the Great Lakes.
Clustered southeastern bats
2017 (approx.)
This photo shows clustered southeastern bats, or Myotis austroriparius. As of June 2017, the species joins eight other hibernating bat species in North America that are afflicted with the deadly bat fungal disease known as white-nose syndrome.
Alligator Hatchlings
2017 (approx.)
Crocodilians are one of the few reptile taxa that exhibit parental care. In alligators, following nest construction, females stay nearby in a guard hole, and are known to defend their nests against predators or other intruders. At the end of the 60-day incubation period, alligator hatchlings will vocalize from within the egg, to signal to the mother that they are ready to hatch. At hatch, female...
Brown bears (Ursus arctos) and Chum (Salmon Oncorhynchus)
2017 (approx.)
Bear predation on salmon can be high in many Alaskan rivers. Brown bears Ursus arctos and Chum Salmon Oncorhynchus keta are managed concurrently in McNeil River State Game Sanctuary by Alaska Dept. of Fish and Game to benefit the salmon, bears, commercial fishers, and provide unparalleled close-up bear viewing and photography opportunities for the public. https://www.coopunits.org/Alaska/
Blue SPV bait
2017 (approx.)
This image shows the blue version of sylvatic plague vaccine bait for prairie dogs. Prairie dogs in the wild are less likely to succumb to a deadly disease called sylvatic plague after they ingest peanut-butter-flavored bait that contains a vaccine against the disease. In an effort to increase populations of endangered black-footed ferrets and conserve the prairie dogs they rely on for survival,...
Measuring sea urchins 3
2017 (approx.)
When it comes to collecting data, sometimes scientists have to look beneath the surface. Here, USGS scientists count and measure sea urchins to better understand the species' demographics off the coast of Oahu, Hawaii. This information will help managers best respond to urchin die-offs, should they occur in the future.
Frog liver with SPI
2017 (approx.)
This photomicrograph shows a liver of a frog with a severe Perkinsea infection.
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Tadpole with SPI
September 19, 2017

A deadly amphibian disease called severe Perkinsea infections, or SPI, is the cause of many large-scale frog die-offs in the United States, according to a new study by the U.S. Geological Survey

Issue5.8August2017Thumb
September 18, 2017

Science to Support Salmon Recovery Efforts in the Puget Sound

Image: Burning Sagebrush
September 6, 2017

An examination of long-term data for lands managed by the Bureau of Land Management finds that land treatments in the southwestern United States are increasingly large, expensive and related to fire and invasive species control.

UMESC Building
September 5, 2017

The public is invited to attend a free, family-friendly open house at a local U.S. Geological Survey center for ecology research on Saturday, September 9.  

NPWRC Building
August 30, 2017

The public is invited to attend a free, family-friendly open house at a local U.S. Geological Survey center for ecology research on Saturday, September 16.  

USGS: Science for a changing world
August 23, 2017

A non-native insect infestation may not be the only factor involved in the ongoing die-back of a marsh grass in the Mississippi River’s “bird foot delta,” the ecologically and economically important part of coastal Louisiana where the river meets the Gulf of Mexico.

Lake Michigan at Sunset
August 16, 2017

Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent U.S. Geological Survey and Michigan State University study.

Image: Black-Footed Ferret
August 10, 2017

Reporters are invited to an event near Fort Collins showcasing cooperative efforts to develop a potential breakthrough in wildlife management – an oral vaccine that may help protect prairie dogs against plague and assist in the recovery of endangered black-footed ferrets at specific locations in the West.  

Hibernating little brown bat with white muzzle and spots on wings typical of white-nose syndrome. (Photo by Greg Turner, Pennsyl
August 1, 2017

The cold-loving fungus (Pseudogymnoascus destructans, or Pd) that causes white-nose syndrome, a disease that has killed millions of North American bats during hibernation, could also spread in summer months. Bats and humans visiting contaminated caves and mines can inadvertently contribute to the spread of the fungus, according to a recently published study by the U.S. Geological Survey.

Greater White-fronted Goose on the North Slope of Alaska
July 17, 2017

Direct encounters with humans can increase the likelihood that nesting geese will lose their eggs to predators, according to a recent study released Monday, July 17.

An American pika collects grass and flowers to stockpile its winter food supplies.
July 12, 2017

A new study by the U.S. Geological Survey and its partners has identified situations and conditions where some animals display behavioral flexibility – the ability to rapidly change behavior in response to short – or long-term environmental changes such as climate variability.