Mission Areas

Ecosystems

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The Ecosystems Mission Area provides impartial science information and tools to the Nation’s natural resource managers, with particular focus on the science needs of the Department of the Interior (DOI) and DOI bureaus to manage species, lands and priority ecosystems; fulfill treaty obligations; respond to and reduce threats to natural resources; and manage mineral and energy resources.

 

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Filter Total Items: 649
Date published: May 25, 2018
Status: Active

Disease Ecology and Modeling

The USGS National Wildlife Health Center (NWHC) provides quantitative support and technical assistance to state and federal wildlife managers and partners to better understand or predict the impact of disease on wildlife populations.

Date published: May 24, 2018
Status: Active

Vaccines

The USGS National Wildlife Health Center (NWHC) works on developing various disease management tools, including the development of vaccines. Our current work focuses on vaccines for sylvatic plague, white-nose syndrome, and rabies as disease control strategies.

Contacts: Tonie Rocke
Date published: May 24, 2018
Status: Active

Invasive Aquatic Plants

Invasive aquatic species clog waterways and are a concern for water managers. Once established, invasive aquatic species impact local ecosystems, recreation, and impede travel. As part of the USGS effort to empower our partners (Interior, Federal and State agencies), the USGS Nonindigenous Aquatic Species database team has botanists ...

Date published: May 24, 2018
Status: Active

Invasive Grasses, Vegetation, and Weeds

Invasive plants (e.g. leafy spurge, cheatgrass, brome, and buffelgrass) have dramatic impacts on Western landscapes through increased fire vulnerability, changes in ecosystem structure and diminished livestock grazing value. USGS researchers are working with DOI land managers, and federal and state partners to find solutions to this growing problem.

Contacts: Earl Campbell
Date published: May 23, 2018
Status: Active

Technology Development and Innovation

To provide the next generation of wildlife disease tools, that can move past detection and documentation and towards solutions for wildlife disease problems, the National Wildlife Health Center (NWHC) is developing a suite of new or adapted technology. Primarily, these technologies focus on three areas of improvement in the realm of wildlife disease: prediction and prevention, surveillance for...

Date published: May 23, 2018
Status: Active

Invasive Fish

Invasive fish cause significant economic losses and diminish opportunities for beneficial
uses of valued aquatic resources. Costly effects include harm to fisheries (e.g., Asian carp, snakeheads, whirling disease, and hemorrhagic septicemia). USGS research is focused on invasive fish spread and distribution, genetic and population impacts of invasives, hybridization between native and non...

Contacts: Earl Campbell
Date published: May 22, 2018
Status: Active

Databases, Models, and Decision Support Tools

Today's natural resource managers must make effective decisions about broad-scale ecosystem processes occurring across the landscape, with complex interactions, numerous competing stakeholder demands, and highly uncertain outcomes. USGS scientists are applying tools from decision science such as structured decision making, adaptive management, and modeling that examines the outcome of a...

Contacts: Earl Campbell
Date published: May 22, 2018
Status: Active

Rapid Response Teams

The USGS Brown Treesnake Rapid Response Team was established to help prevent the spread of invasive Brown Treesnakes through screening, risk assessment, outreach, and training for field response efforts.

Contacts: Earl Campbell
Date published: May 22, 2018
Status: Active

Strategic Planning

The USGS provides science for Department of the Interior bureaus and other decision makers with vital information that they need to fulfill their mission. The diversity of USGS scientific expertise enables the bureau to carry out large-scale, multi-disciplinary investigations and provide impartial scientific information to resource managers and planners. Scientific coordination and...

Contacts: Earl Campbell
Date published: May 21, 2018
Status: Active

Invasive Species Tools

Tracking the establishment and spread of existing and new invasive species is critical to effectively manage invasive species. In addition to standard means of monitoring, the USGS is developing new tools, particularly molecular techniques, to assist in the early detection of invasive species.

Contacts: Earl Campbell
Date published: May 21, 2018
Status: Active

Invasive Insects

Invasive species often pose the primary threat to biodiversity in the Pacific. USGS research focuses on the ecology, reducing impacts, and controlling highly invasive insect species. For example, USGS scientists are assessing novel mosquito control tools (e.g., bacterial endosymbiont Wolbachia). Mosquitoes carry diseases that affect people (e.g., West Nile virus, dengue); therefore, the...

Contacts: Earl Campbell
Date published: May 21, 2018
Status: Active

Invasive Mussels

Invasive zebra and quagga mussels (collectively called dreissenid mussels) are causing significant ecological and economic impacts and the range of these impacts continues to increase as they spread across North America. Dreissenids affect industrial and municipal infrastructure, recreational water users, and they severely alter aquatic ecosystems. USGS has been conducting dreissenid mussel...

Contacts: Earl Campbell
Filter Total Items: 98
Date published: April 20, 2016

EverVIEW Lite

Recently, the Team has developed and released EverVIEW Lite, an online web mapping framework based on the core features available in the desktop viewer.

Date published: April 20, 2016

Coastal Information Management System (CIMS)

WARC's Advanced Applications Team is responsible for data management and application development to support the biological monitoring components of coastal restoration projects in the Louisiana Coastal Protection and Restoration Authority portfolio. 

Date published: April 12, 2016

Nonindigenous Aquatic Species Program Database Queries

Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at Gainesville, Florida, this site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species.

Date published: March 4, 2016

National Vegetation Classification Standard (NVCS)

The central organizing framework for documentation, inventory, monitoring, and study of vegetation in the United States from broad scale formations like forests to fine-scale plant communities. The Classification allows users to produce uniform statistics about vegetation resources across the nation at local, regional, or national levels.

Attribution: Ecosystems
Date published: March 4, 2016

Nonindigenous Aquatic Species Database (NAS)

The NAS provides spatially referenced biogeographic accounts of aquatic species introduced into the United States. The NAS allows for real-time queries, has regional contact information, species accounts and general information. Sign up for species-specific email alerts. Special maps available for zebra and quagga mussels, Asian carp and lionfish.

Date published: March 4, 2016

Long Term Resource Monitoring

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.

Date published: March 4, 2016

Nature’s Notebook: A national-scale, multi-taxa phenology observation program

Nature’s Notebook is an online phenological monitoring program that currently supports data collection, storage and use for almost 250 animal species (including fish, insects, reptiles, amphibians, birds and mammals) and 650 plant species (including trees, shrubs, forbs, grasses and cacti). Available to anyone from scientists to nature enthusiast.

Attribution: Ecosystems
Date published: March 4, 2016

The Spring Indices (SI)

The Spring Indices are a suite of models developed to simulate the timing of the onset of spring in native and cultivated plants, as well as other physical and ecological processes, that are primarily sensitive to temperature. The SI can be calculated for any weather station that collects daily minimum and maximum temperatures.

Attribution: Ecosystems
Date published: March 4, 2016

The National Phenology Database

The database houses contemporary and historical data on organismal phenology across the nation. These data are being used in a number of applications for science, conservation and resource management. Customizable data downloads using specific dates, regions, species and phenophases, are freely available.

Date published: March 4, 2016

Amphibian Research and Monitoring Initiative (ARMI) Trend Data

The ARMI database provides occupancy and abundance estimates at the project level. Data can be accessed in tabular format or plotted directly via an interactive map browser. The trend data is updated annually and is useful for tracking the status of some of our nation’s amphibian populations.

Date published: March 4, 2016

SAGEMAP

A GIS Database for Sage-grouse and Shrubsteppe Management in the Intermountain West.

Date published: March 4, 2016

Raptor Information System (RIS)

Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) — The Raptor Information System (RIS) is a computerized literature retrieval system that focuses on raptor management, human impacts on raptors, the mitigation of adverse impacts, and basic raptor biology (with an emphasis on population dynamics and predation).

Filter Total Items: 2,898
Year Published: 2018

Critically assessing the utility of portable lead analyzers for wildlife conservation

Lead (Pb) exposure in wildlife is a widespread management and conservation concern. Quantitative determination of Pb concentrations in wildlife tissues is the foundation for estimating exposure and risk. Development of low‐cost, portable instruments has improved access and cost‐effectiveness of determining Pb concentrations in blood samples, while...

Herring, Garth; Eagles-Smith, Collin A.; Bedrosian, Bryan; Craighead, Derek; Domenech, Robert; Langner, Heiko W.; Parish, Chris N.; Shreading, Adam; Welch, Alacia; Wolstenholme, Rachel
Herring, G., Eagles-Smith, C.A., Bedrosian, B., Craighead, D., Domenech, R., Langner, H.W., Parish, C., Shreading, A., Welch, A., Wolstenholme, R., 2018, Critically assessing the utility of portable lead analyzers for wildlife conservation: Wildlife Society Bulletin, p. online, https://doi.org/10.1002/wsb.892.

Year Published: 2018

Estimating freshwater productivity, overwinter survival, and migration patterns of Klamath River Coho Salmon

An area of great importance to resource management and conservation biology in the Klamath Basin is balancing water usage against the life history requirements of threatened Coho Salmon. One tool for addressing this topic is a freshwater dynamics model to forecast Coho Salmon productivity based on environmental inputs. Constructing such a...

Manhard, Christopher V.; Som, Nicholas A.; Perry, Russell W.; Faukner, Jimmy; Soto, Toz
Manhard, C.V., N.A. Som, R.W. Perry, J.R. Faukner, and T. Soto. 2018. Estimating freshwater productivity, overwinter survival, and migration patterns of Klamath River Coho Salmon. U.S. Fish and Wildlife Service. Arcata Fish and Wildlife Office, Arcata Fisheries Technical Report Number TR 2018-33, Arcata, California.

Year Published: 2018

Estimation of stream conditions in tributaries of the Klamath River, northern California

Because of their critical ecological role, stream temperature and discharge are requisite inputs for models of salmonid population dynamics. Coho Salmon inhabiting the Klamath Basin spend much of their freshwater life cycle inhabiting tributaries, but environmental data are often absent or only seasonally available at these locations. To address...

Manhard, Christopher V.; Som, Nicholas A.; Jones, Edward C.; Perry, Russell W.
Manhard, C.V., N.A. Som, E.C. Jones, and R.W. Perry. 2018. Estimation of stream conditions in tributaries of the Klamath River, Northern California. U.S. Fish and Wildlife Service. Arcata Fish and Wildlife Office, Arcata Fisheries Technical Report Number TR 2018-32, Arcata, California.

Year Published: 2018

The utility of point count surveys to predict wildlife interactions with wind energy facilities: An example focused on golden eagles

Wind energy development is rapidly expanding in North America, often accompanied by requirements to survey potential facility locations for existing wildlife. Within the USA, golden eagles (Aquila chrysaetos) are among the most high-profile species of birds that are at risk from wind turbines. To minimize golden eagle fatalities in areas...

Sur, Maitreyi; Belthoff, James R.; Bjerre, Emily R.; Millsap, Brian A.; Katzner, Todd
Sur, M., Belthoff, J.R., Bjerre, E.R., Millsap, B.A., Katzner, T.E., 2018, The utility of point count surveys to predict wildlife interactions with wind energy facilities- An example focused on golden eagles: Ecological Indicators, v. 88, p. 126-133, https://doi.org/10.1016/j.ecolind.2018.01.024.

Year Published: 2018

Trophic compression of lake food webs under hydrologic disturbance

The need to protect biostructure is increasingly recognized, yet empirical studies of how human exploits affect ecological networks are rare. Studying the effects of variation in human disturbance intensity from decades past can help us understand and anticipate ecosystem change under alleviated or amplified disturbance over decades to come. Here...

Hansen, Adam G.; Gardner, Jennifer R.; Connelly, Kristin A.; Polacek, Matt; Beauchamp, David A.
Hansen, A.G., J.R. Gardner, K.A. Connelly, M. Polacek, and D.A. Beauchamp. 2018. Trophic compression of lake food webs under hydrologic disturbance. Ecosphere 9(6): e02304

Year Published: 2018

Adaptive population divergence and directional gene flow across steep elevational gradients in a climate‐sensitive mammal

The American pika is a thermally sensitive, alpine lagomorph species. Recent climate-associated population extirpations and genetic signatures of reduced population sizes range-wide indicate the viability of this species is sensitive to climate change. To test for potential adaptive responses to climate stress, we sampled pikas along two...

Waterhouse, Matthew D.; Erb, Liesl P.; Beever, Erik; Russello, Michael A.
Waterhouse, M.D., L.P. Erb, E.A. Beever, and M.A. Russello. 2018. Adaptive population divergence and directional gene flow across steep elevational gradients in a climate-sensitive mammal. Molecular Ecology 27(11): 2512-2528.

Year Published: 2018

Effects of air temperature and discharge on Upper Mississippi River summer water temperatures

Recent interest in the potential effects of climate change has prompted studies of air temperature and precipitation associations with water temperatures in rivers and streams. We examined associations between summer surface water temperatures and both air temperature and discharge for 5 reaches of the Upper Mississippi River during 1994–2011....

Gray, Brian R.; Robertson, Dale M.; Rogala, James T.
Gray, B.R., Robertson, D.M., Rogala, J.T. 2018. Effects of air temperature and discharge on Upper Mississippi River summer water temperatures. River Research and Applications. 10 pgs. DOI: 10.1002/rra.3278.

Year Published: 2018

The use of lead isotope analysis to identify potential sources of lead toxicosis in a juvenile bald eagle (Haliaeetus leucocephalus) with ventricular foreign bodies

A male juvenile bald eagle (Haliaeetus leucocephalus) was admitted to the Wildlife Center of Virginia with a left humeral fracture a large quantity of anthropogenic debris in the ventriculus, a blood lead level of 0.616 ppm, and clinical signs consistent with chronic lead toxicosis. Because of the poor prognosis for recovery and release, the eagle...

Franzen-Klein, Dana; McRuer, David; Slabe, Vincent; Katzner, Todd
Franzen-Klein, D., McRuer, D., Slabe, V.A., Katzner, T.E., 2018, The use of lead isotope analysis to identify potential sources of lead toxicosis in a juvenile bald eagle (Haliaeetus leucocephalus) with ventricular foreign bodies: Journal of Avian Medicine and Surgery, v. 32, no. 1, p. 34-39, https://doi.org/10.1647/2016-184.

Year Published: 2018

Substrate and flow characteristics associated with White Sturgeon recruitment in the Columbia River Basin

A study was conducted to identify habitat characteristics associated with age 0+ White Sturgeon (Acipenser transmontanus Richardson, 1863) recruitment in three reaches of the Columbia River Basin: Skamania reach (consistent recruitment), John Day reach (intermittent/inconsistent recruitment), and Kootenai reach (no recruitment). Our modeling...

Hatten, James R.; Parsley, Michael; Barton, Gary; Batt, Thomas; Fosness, Ryan L.
Hatten, J.R., M.J. Parsley, G.J. Garton, T.R. Batt, and R.L. Fosness. 2018. Substrate and flow characteristics associated with White Sturgeon recruitment in the Columbia River. Heliyon 4(5): e00629.

Year Published: 2018

Use of created snags by cavity‐nesting birds across 25 years

Snags are important habitat features for many forest‐dwelling species, so reductions in the number of snags can lead to the loss of biodiversity in forest ecosystems. Intentional snag creation is often used in managed forests to mitigate the long‐term declines of naturally created snags, yet information regarding the use of snags by wildlife...

Barry, Amy M.; Hagar, Joan; Rivers, James W.
Barry, A.M., Hagar, J.C., Rivers, J.W., 2018, Use of created snags by cavity-nesting birds across 25 Years: Journal of Wildlife Management, p. online, https://doi.org/10.1002/jwmg.21489.

Year Published: 2018

Effects of experimental removal of Barred Owls on population demography of Northern Spotted Owls in Washington and Oregon—2017 progress report

Populations of Northern Spotted Owls (Strix occidentalis caurina; hereinafter referred to as Spotted Owl) are declining throughout this subspecies’ geographic range. Evidence indicates that competition with invading populations of Barred Owls (S. varia) has contributed significantly to those declines. A pilot study in California showed that...

Wiens, J. David; Dugger, Katie M.; Lesmeister, Damon B.; Dilione, Krista E.; Simon, David C.
Wiens, J.D., Dugger, K.M., Lesmeister, D.B., Dilione, K.E., and Simon, D.C., 2018, Effects of experimental removal of Barred Owls on population demography of Northern Spotted Owls in Washington and Oregon—2017 progress report: U.S. Geological Survey Open-File Report 2018–1086, 23 p., https://doi.org/10.3133/ofr20181086.

Year Published: 2018

MonitoringResources.org—Supporting coordinated and cost-effective natural resource monitoring across organizations

Natural resource managers who oversee the Nation’s resources require data to support informed decision-making at a variety of spatial and temporal scales that often cross typical jurisdictional boundaries such as states, agency regions, and watersheds. These data come from multiple agencies, programs, and sources, often with their own methods and...

Bayer, Jennifer M.; Scully, Rebecca A.; Weltzin, Jake F.
Bayer, J.M., Scully, R.A., and Weltzin, J.F., 2018, MonitoringResources.org—Supporting coordinated and cost-effective natural resource monitoring across organizations: U.S. Geological Survey Fact Sheet 2018–3015, 2 p., https://doi.org/10.3133/fs20183015.

Filter Total Items: 667
November 24, 2017

Serene Sirens: USGS Sea Cow Science

A USGS video about manatees reveals that while the animals may act like the cows of the sea, they also have more than a bit of the magical siren or mermaid about them.  Go for a serene swim.

Attribution: Ecosystems
A Cuban treefrog on a green leaf
November 13, 2017

Cuban treefrogs have leaped into Louisiana

Non-native Cuban treefrogs have established a breeding population in New Orleans, Louisiana, the first such population on the U.S. mainland outside Florida. The treefrogs were discovered at the Audubon Zoo shortly after a shipment of palm trees from Florida were planted in the zoo's elephant enclosure in 2016. USGS scientist Brad Glorioso confirmed the presence of a

...
Sonoran desert scene, complete with prickly pear, saguaro, and cholla cactus species.
October 31, 2017

Sonoran Desert Cactus Guild

The iconic Sonoran Desert is home to many species of cactus, vascular plants, and wildlife, including the giant saguaro, cholla, and prickley pear cacti seen here. Plants and animals have adapted to living in such a harsh dry environment. For example, the plants in this photo have grown up in the shade of one another, and survived due to protection from the hot sun. The

...
October 31, 2017

USGS Hammond Bay Biological Station Building Demo Time Lapse Video

Out with the old, in with the new! A state-of-the-art aquatic science laboratory is being built on the shores of Lake Huron at the USGS Hammond Bay Biological Station (HBBS), one of seven field stations of the USGS Great Lakes Science Center, operated in partnership with the Great Lakes Fishery Commission. To make way for the new laboratory, four old buildings on the HBBS

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R/V Arcticus at Sturgeon Bay
September 21, 2017

R/V Arcticus at Sturgeon Bay

Fog surrounds the USGS Research Vessel Arcticus as it comes into port at Sturgeon Bay, Wisconsin.

Hoary marmots can be seen near large boulders in alpine meadows from Washington to Alaska.
September 13, 2017

Hoary marmots

Hoary marmots can be seen near large boulders in alpine meadows from Washington to Alaska. 

Photomicrograph of a green desmid alga resembling a holiday ornament
August 31, 2017

A natural marvel in a single cell

This single-celled freshwater algae wasa collected as part of the first-ever study of the green algae family called desmids in Florida’s Loxahatchee National Wildlife Refuge, in the northern Everglades. USGS biologist Barry H. Rosen, an expert on freshwater algae who leads the study, used a technique called differential interference microscopy to highlight the relief of

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Man measuring a little red bird.
August 31, 2017

Iiwi banding 2

Measuring the wing length of a banded Iiwi

Man holding red bird.
August 31, 2017

Iiwi with transmitter

Iiwi with small radio transmitter attached to help track the bird's movement through the forest

View of the lush green San Rafael grasslands of southern Arizona and northern Mexico, framed by a cloudy blue sky.
August 31, 2017

The Sonoran desert has grasslands, too.

The San Rafael grasslands are a diverse ecosystem in southern Arizona along the U.S./Mexico border region, a part of the Madrean Archipelago ecoregion. The USGS RAMPS program conducts collaborative

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August 28, 2017

GP1 East Transect – 2017

Permanent Control Site: GP1 East Transect; Depth: 6.7 m (22.1 feet); Distance from river mouth: 19.0 Kilometers (11.8 miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture surrounding

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Filter Total Items: 322
Date published: May 1, 2017

Avian Flu Testing of Wild Ducks Informs Biosecurity and Can Reduce Economic Loss

Ducks in North America can be carriers of avian influenza viruses similar to those found in a 2016 outbreak in Indiana that led to the losses of hundreds of thousands of chickens and turkeys, according to a recent study.

Date published: April 27, 2017

Billions More Milkweeds Needed to Restore Monarchs

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.

Date published: April 26, 2017

Asian Carp Would Have Adequate Food to Survive in Lake Michigan

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.

Date published: April 18, 2017

Deadly Deer Disease Expected to Grow Rapidly and Spread in Wisconsin

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.

Date published: April 11, 2017

Florida Manatees Likely to Persist For At Least 100 Years—US Geological Survey  

Florida’s iconic manatee population is highly likely to endure for the next 100 years, so long as wildlife managers continue to protect the marine mammals and their habitat, a new study by the US Geological Survey and the Florida Fish and Wildlife Research Institute has found.

Date published: April 11, 2017

Scientists Evaluate Ways to Save Hawaiian Honeycreeper

Long distance flights in search of flowering trees threatens the Hawaiian Iiwi as climate change increases the distribution of avian diseases

Date published: April 11, 2017

Media Inquiries on USGS Manatee Research

We appreciate your interest in USGS' Sirenia Project. To help inform members of the media and public, we have provided relevant publications, reports, and websites. 

Date published: April 10, 2017

Turtles Die in Southern California Lake Following Drought and Fire

Almost all of the turtles living in a southern California lake died following a large fire and years of drought, according to a new U.S. Geological Survey report published in the journal Knowledge and Management of Aquatic Ecosystems.

Date published: April 6, 2017

Western Fisheries Science News, March 2016 | Issue 4.3

Understanding the Effects of Temperature on Diseases in Fish

Date published: April 4, 2017

Hybridization between Native and Invasive Trout is Increasing in the West

Hybridization, or the interbreeding of species, is increasing between native and invasive trout across the northern Rocky Mountains, according to a study released Tuesday by the U.S. Geological Survey and partners.

Date published: April 4, 2017

Western Fisheries Science News, March 2017 | Issue 5.3

Early Detection Monitoring May Not Be Sufficient for Invasive Mussels in the Columbia River Basin

Date published: March 29, 2017

USGS and Partners Team Up to Track Down Nonnative and Invasive Fishes in South Florida

The Fish Slam event discovered two nonnative fish species never seen before in Big Cypress National Preserve.