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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: 682
Date published: October 17, 2018
Status: Active

Digital Soil Mapping: High Resolution Maps for Modern Land Management Decisions

The field of digital soil mapping has bridged the classic theories of soil science into the modern computing age to produce high resolution maps. This body of work utilizes classic soil factorial theory (soil = f[climate, organisms, relief (topography), parent material, time] + ɛ, or ‘clorpt’). The clorpt framework has been approximated using various environmental spatial data layers to...

Date published: October 17, 2018
Status: Active

Integrated Ecohydrological Science in the Northern Rocky Mountains — the variability of water availability and the effects on ecosystems

Our primary goal is to better understand and characterize how stream environments and the ecosystems they support are influenced by climate change and drought in the Northern Rocky Mountains.

Date published: September 30, 2018
Status: Active

Wind Erosion and Dust Emissions on the Colorado Plateau

Wind erosion of soils and dust emissions are a significant resource management challenge on the Colorado Plateau. Loss of topsoil and associated aeolian sediment (wind-driven sediment) movement can lead to reduced soil fertility as well as abrasion and burial of vegetation. Dust in the atmosphere poses a threat to human health, visual resources, and regional water supplies (due to interactions...

Date published: September 30, 2018
Status: Active

Measuring Suspended-Sediment Concentrations, Grain Sizes, and Bedload using Multiple Single-Frequency Acoustic Doppler Profilers and Echologgers in the Lower Chippewa River, Wisconsin.

The Upper Mississippi River (UMR) provides critical habitat for hundreds of aquatic species and provides Minnesota with a transportation link to the rest of the world. Reliable measurements of sediment are important for making decisions as part of maintaining the channel. In 2014, sediment deposition in the navigation channel caused channel closures of the UMR delaying commercial navigation...

Contacts: David J Dean
Date published: September 19, 2018
Status: Active

Joint Ecosystem Modeling: Cape Sable Seaside Sparrow Helper

The Sparrow Helper tool allows for the evaluation of water management scenarios by generating, plotting, and mapping hydrologic metrics across a range of time scales to predict impacts of proposed water depth changes to sparrow subpopulations.

Date published: September 18, 2018
Status: Active

Joint Ecosystem Modeling: Wader Distribution & Evaluation Modeling (WADEM)

WADEM (Wader Distribution Evaluation Modeling) is a JEM model that estimates species-specific habitat suitability across the landscape for Great Egret (Ardea alba), White Ibis (Eudocimus albus), and Wood Stork (Mycteria americana).

Date published: September 16, 2018
Status: Active

Long-Term Vegetation Change on the Colorado Plateau

Drylands comprise ~35% of Earth’s terrestrial biomes, with over 1 billion people depending on these landscapes for their livelihoods. In the U.S., drylands comprise ~40% of the landmass and 83% of Department of Interior (DOI)-managed lands (excluding Alaska). Due to their vast extent nationally and globally, changes to these landscapes have the potential to affect global climate regulation. A...

Date published: September 10, 2018
Status: Active

Reconstructing Ancient Human and Ecosystem Responses to Holocene Climate Conditions

This research project will reconstruct Holocene climatic conditions to better understand human adaptation and response to past environmental variability. 

Contacts: Greg Pederson
Date published: September 4, 2018
Status: Active

Detection Protocols - Renibacterium salmoninarum

Protocols for the Detection of Renibacterium salmoninarum in salmon

Date published: August 29, 2018
Status: Active

Fish Passage and Behavior

Specially constructed passages that allow fish to go around dams or other barriers are key to migratory fish accessing spawning areas, nurseries and other crucial habitats. USGS helps identify the best location for these passages and is involved in designing and testing these state-of-the-art structures. The research helps key species navigate waterways and complete instinctual migratory...

Contacts: Mona Khalil
Date published: August 28, 2018
Status: Active

Statistical Tools for Wind and Solar Energy Development and Operations

Solar and wind power development is increasing exponentially in the United States. However, these energy sources may affect wildlife, either directly from collisions with the turbine blades or photovoltaic arrays or indirectly from loss of habitat and migration routes. An important component to understanding the effects of these renewable energy projects on wildlife is accurate and precise...

Date published: August 24, 2018
Status: Active

Ichthyobodo - HSL

Fish Diseases


Filter Total Items: 97
Date published: October 31, 2017

Guide to the Plants of Louisiana

This guide to the vascular plants of Louisiana includes a database of plant characters, a search engine and plant images. Photographs include images of leaves, fruit, flower, stem, bark and other key identification features. Information about plants can be accessed by searching plant lists either by scientific name or common name.

Date published: October 30, 2017

Movement Maps for Suisun Marsh Waterfowl and Waterbird Studies

Suisun Marsh is a critical habitat for wintering and breeding waterbirds in California. USGS is working with the California DWR to examine the trends in bird decline and to assess the habitat factors driving long-term survival of waterfowl, rails, and other birds in this important area.

Date published: October 18, 2017

DATA RELEASE - Riparian Vegetation and Environmental Variables, Colorado River, 2014—Data

These data consist of species relative cover; percent cover of dead plant material, soil and rock; and a variety of broad- and local- scale environmental variables. These data relate to sample sites along the Colorado River through Grand Canyon between Lees Ferry and river mile 245. Sample sites were distributed among three geomorphic features: channel margins, debris fans, and sandbars.

Date published: October 17, 2017

Shapefiles and Historical Aerial Photographs, Little Missouri River, 1939-2003

The data archive contains the aerial photographs and channel delineations used in our analysis. The images have been geo-referenced to the 1995 digital orthophoto quarter quadrangles as described by Miller and Friedman (2009). The channel delineations for all photo years (including 2003) and the delineation of the outer flood-plain boundary are stored as shapefiles.

Date published: 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

Date published: 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.

Date published: 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.

Date published: 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

Date published: 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...

Date published: 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.

Date published: May 19, 2017

Early Estimates of Herbaceous Annual Cover in the Sagebrush Ecosystem

These data were developed to provide land managers and researchers with early-season, near-real-time predictions of spatially explicit percent cover predictions of herbaceous annual vegetation in the study area. Appropriate use of the data should be defined by the user; however, this data comes with several caveats.

Date published: 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.

Filter Total Items: 2,916
Year Published: 2018

The risk of rodent introductions from shipwrecks to seabirds on Aleutian and Bering Sea islands

Accidental introductions of rodents present one of the greatest threats to indigenous island biota, especially seabirds. On uninhabited remote islands, such introductions are likely to come from shipwrecks. Here we use a comprehensive database of shipwrecks in Western Alaska to model the frequency of shipwrecks per Aleutian and Bering Sea island,...

Renner, Martin; Nelson, Eric; Watson, Jordan; Haynie, Alan; Poe, Aaron; Robards, Martin D.; Hess, Steve C.
Renner, M., E. Nelson, J. Watson, A. Haynie, A. Poe, M. Robards, and S. C. Hess. 2018. The risk of rodent introductions from shipwrecks to seabirds on Aleutian and Bering Sea islands. Biological Invasions 20:2679–2690.

Year Published: 2018

Molecular systematics of swifts of the genus Chaetura (Aves: Apodiformes: Apodidae)

Phylogenetic relationships among swifts of the morphologically conservative genus Chaetura were studied using mitochondrial and nuclear DNA sequences. Taxon sampling included all species and 21 of 30 taxa (species and subspecies) within Chaetura. Our results indicate that Chaetura is monophyletic and...

Chesser, Terry; Vaseghi, Haley; Hosner, Peter A.; Bergner, Laura M.; Cortes-Rodriguez, M. Nandadevi; Welch, Andreanna J.; Collins, Charles T.
Chesser, R. T., Vaseghi, H., Hosner, P. A., Bergner, L. M., Cortez-Rodriquez, M. N., Welch, A. J., and Collins, C. T., 2018, Molecular systematics of swifts of the genus Chaetura (Aves: Apodiformes: Apodidae): Molecular Phylogenetics and Evolution, v. 128, p. 162-171. https://doi.org/10.1016/j.ympev.2018.07.006

Year Published: 2018

Juvenile Chinook salmon and forage fish use of eelgrass habitats in a diked and channelized Puget Sound River Delta

Eelgrass Zostera marina can form extensive meadows on Puget Sound river deltas. The extent to which these meadows provide critical rearing habitat for local estuarine fishes, especially out‐migrating juvenile salmon, is not well understood. Further, delta eelgrass has been impacted by diking and river channelization with unknown...

Rubin, Stephen P.; Hayes, Michael C.; Grossman, Eric E.
Rubin, S.P., M.C. Hayes, and E.E. Grossman. 2018. Juvenile Chinook salmon and forage fish use of eelgrass habitats in a diked and channelized Puget Sound River Delta. Marine Coastal Fisheries: Dynamics, Management, and Ecosystem Science 10:435-451.

Year Published: 2018

Hierarchical patch delineation in fragmented landscapes

PurposeWe developed a tool, FragPatch (FP), to delineate habitat patches for highly fragmented landscapes from a user-defined suitability map and two landscape perception values for a species of interest.MethodsWe wrote a Python script in ArcGIS to delineate habitat patch networks using the user inputs and ArcGIS tools such as Euclidean distance,...

Kilheffer, Chellby R.; Underwood, H. Brian
Kilheffer, C. and Underwood, H. B., 2018, Hierarchical patch delineation in fragmented landscapes: Landscape Ecology, v. 33, no. 9, p. 1533-1541. https://doi.org/10.1007/s10980-018-0679-z

Year Published: 2018

Science alive and well in North American wildlife management

Artelle et al. (1) entitled a recent article with the provocative claim: “Hallmarks of science missing from North American wildlife management”. Although we agree with some of the concerns and recommendations of Artelle et al. (1), we believe that the article is misleading about the distinction between science and management, the role of science...

Nichols, James; Johnson, Fred A.; Williams, Byron K.; Boomer, G. Scott

Year Published: 2018

Insight into infectious hematopoietic necrosis virus (IHNV) in Chinese rainbow trout aquaculture from virus isolated from 7 provinces in 2010–2014

The aquatic rhabdovirus infectious hematopoietic necrosis virus (IHNV) currently causes substantial fish losses in Chinese coldwater aquaculture. While IHNV was first reported in China in 1985 and has since undergone considerable spread, little is known about the underlying epidemiological patterns like introduction sources and...

Jia, Peng; Breyta, Rachel B.; Li, Qing; Qian, Xu; Wu, Bing; Zheng, Wei; Wen, Zhiqing; Liu, Ying; Kurath, Gael; Hua, Qunyi; Jin, Ningyi; Liu, Hong
Jia, P., R.B. Breyta, Q. Li, X. Qian, B. Wu, W. Zheng, Z. Wen, Y. Liu, G. Kurath, Q. Hua, N. Jin, and H. Liu. 2018. Insight into infectious hematopoietic necrosis virus (IHNV) in Chinese rainbow trout aquaculture from virus isolated from 7 provinces in 2010–2014. Aquaculture 496: 239-246.

Year Published: 2018

Responses of hatchery‐ and natural‐origin adult spring Chinook Salmon to a trap‐and‐haul reintroduction program

The construction of impassable dams severely affected many Pacific salmon Oncorhynchus spp. populations, resulting in reintroduction efforts that are now focused on returning anadromous fish to areas located upstream of these dams. A primary strategy for moving adult salmon and steelhead O. mykiss around a dam or multiple dams...

Kock, Tobias J.; Perry, Russell W.; Pope, Adam C.; Serl, John D.; Kohn, Mike; Liedtke, Theresa L.
Kock, T.J., R.W. Perry, A.C. Pope, J.D. Serl, M. Kohn, and T.L. Liedtke. 2018. Responses of hatchery‐ and natural‐origin adult spring Chinook salmon to a trap‐and‐haul reintroduction program. N. Am. J. Fish. Manage. (Early View).

Year Published: 2018

Evaluating the waterfowl breeding population and habitat survey for scaup

Potential bias in breeding population estimates of certain duck species from the Waterfowl Breeding Population and Habitat Survey (WBPHS) has been a concern for decades. The WBPHS does not differentiate between lesser (Aythya affinis) and greater (A. marila) scaup, but lesser scaup comprise 89% of the combined scaup population and their...

Schummer, Michael L.; Afton, Alan D.; Badzinski, Shannon S.; Petrie, Scott A.; Olsen, Glenn H.; Mitchell, Mark A.
Schummer, M. L., Afton, A. D., Badzinski, S. S., Petrie, S. A., Olsen, G. H., and Mitchell, M. A., 2018, Evaluating the waterfowl breeding population and habitat survey for scaup: Journal of Wildlife Management, v. 82, no. 6, p. 1252-1262. https://doi.org/10.1002/jwmg.21478

Year Published: 2018

Flow-mediated effects on travel time, routing, and survival of juvenile Chinook salmon in a spatially complex, tidally forced river delta

We evaluated the interacting influences of river flows and tides on travel time, routing, and survival of juvenile late-fall Chinook salmon (Oncorhynchus tshawytscha) migrating through the Sacramento–San Joaquin River Delta. To quantify these effects, we jointly modeled the travel time, survival, and migration routing in relation to individual...

Perry, Russell W.; Pope, Adam C.; Romine, Jason G.; Brandes, Patricia L.; Burau, Jon R.; Blake, Aaron R.; Ammann, Arnold J.; Michel, Cyril J.
Perry, R.W., A.C. Pope, J.G. Romine, P.L. Brandes, J.R. Burau, A.R. Blake, A.J. Ammann, and C.J. Michel. Flow-mediated effects on travel time, routing, and survival of juvenile Chinook salmon in a spatially complex, tidally forced river delta. Can. J. Fish. Aquat. Sci. (Online First).

Year Published: 2018

Herbicides and herbivory interact to drive plant community and crop‐tree establishment

Land management practices often directly alter vegetation structure and composition, but the degree to which ecological processes such as herbivory interact with management to influence biodiversity is less well understood. We hypothesized that large herbivores compound the effects of intensive forest management on early seral plant communities...

Stokely, Thomas D.; Verschuyl, Jake; Hagar, Joan; Betts, Matthew G.
Stokely, T.D., Verschuyl, J.V., Hagar, J.C., Betts, M.G., 2018, Herbicides and herbivory interact to drive plant community establishment and tree survival: Ecological Applications, p. online, https://doi.org/10.1002/eap.1777.

Year Published: 2018

Biological and ecological science for Ohio—The Buckeye State

Ohio is home to lakes, rivers, streams, wetlands, forests, prairies, and 312 miles of Lake Erie shoreline. These resources sustain Ohio’s communities by supporting vital sectors of the economy and cultural heritage such as fishing, hunting, and other outdoor recreation. Lake Erie provides drinking water for 3 million Ohioans, supports 124,000 Ohio...

Attribution: Ecosystems
U.S. Geological Survey, 2018, Biological and ecological science for Ohio—The Buckeye State: U.S. Geological Survey Fact Sheet 2018-3034, 2 p., https://doi.org/10.3133/fs20183034.

Year Published: 2018

Prepublication communication of research results

Publishing of scientific findings is central to the scientific process, and it is traditional to consider findings “provisional” until accepted by a peer-reviewed journal. Until publication, communication of provisional findings beyond participants in the study is typically limited. This practice helps assure scientific integrity. However, a...

Adams, M.J.; Harris, Reid N.; Campbell Grant, Evan H.; Gray, Matthew J.; Hopkins, M. Camille ; Iverson, Samuel A.; Likens, Robert; Mandica, Mark; Olson, D.H.; Shepack, Alex; Waddle, Hardin
Adams, M.J., Harris, R.N., Grant, E.H., Gray, M.J., Hopkins, M.C., Iverson, S.A., Likens, R., Mandica, M., Olson, D.H., Shepack, A., Waddle, J.H., 2018, Pre-publication communication of research results: EcoHealth, p. online, https://doi.org/10.1007/s10393-018-1352-3.

Filter Total Items: 681
Thermal habitat mapping using kayak-mounted sensors
March 26, 2018

June 2018 "USGS At Work" category winner Carrie Blakeslee

Jeff Cole, USGS Northern Appalachian Research Laboratory, using temperature sensors and a humminbird sonar system mounted on a kayak to map the thermal habitat of the East Branch (Fishs Eddy, New York) of the Delaware River.

Southern Sea Otters Floating in Morro Bay, CA
March 6, 2018

Southern Sea Otters Floating in Morro Bay, CA

Southern sea otters (Enhydra lutris nereis) float in Morro Bay, CA.

View of the sonoran desert at Organ Pipe Cactus National Monument showing an organ pipe cactus and mountains of Mexico
February 28, 2018

Organ Pipe Cactus National Monument

Organ pipe cactus are rare in the Sonoran desert in the U.S. They can only be found in and around Organ Pipe Cactus National Monument, shown here. The distribution of Organ Pipe Cactus is limited due to lack of tolerance for cold temperatures. The biota of the Sonoran desert is particularly senstive to disturbance. Soils often erode quickly once vegetation is removed. The

February 28, 2018

Bee Laboratory (Instagram Story)

Instagram story showing the USGS Bee Inventory and Monitoring Lab clearing invasive species from a field.

Asian carp removal in Missouri
February 23, 2018

Asian Carp Removal in Missouri

In 2018, USGS and partners completed an incredible feat against a harmful aquatic invasive species when over 240,000 pounds of invasive Silver Carp and Bighead Carp were removed from Creve Coeur Lake in Maryland Heights, Missouri.

Female northern harrier gaze
February 9, 2018

Female Northern Harrier (Circus cyaneus) Gaze

A female northern harrier (Circus cyaneus) gazes into the camera at Suisun Marsh, CA.

Picture of field water-level monitoring gage EDEN 13
January 31, 2018

Field water-level monitoring gage EDEN 13

Field water-level monitoring gage EDEN 13. Photograph by Michael Oliver, U.S. Geological Survey.
U.S. Geological Survey Fact Sheet 2017–3069
Version 1.1, January 2018

Blue SPV bait
December 31, 2017

Blue SPV bait

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

Corallimorph infestation on coral reef 2
December 31, 2017

Corallimorph infestation on coral reef 2

Coral reefs are prone to phase shifts where they quickly transition from coral-dominated to a uniformity of other organisms, typically algae. The Palmyra Atoll National Wildlife Refuge in the Central Pacific is a unique case where a transition from corals to corallimorphs occurred. Corallimorphs are a type of invasive

December 31, 2017

Big Brown Bat (Eptesicus fuscus) Call

Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic. These calls are often known as echolocation calls since bats use the echoes produced when a sound bounces off a bug or a building to determine what is in the area. 

Commercial poultry
December 31, 2017

Commercial poultry

Some avian influenza, or bird flu, viruses that are able to enter North America from other continents through migrating birds can be deadly to poultry and can infect waterfowl populations.

Attribution: Ecosystems
Bats hibernating in cave
December 31, 2017

Bats hibernating in cave

Bats hibernating in a cave. 

Attribution: Ecosystems
Filter Total Items: 323
Date published: September 19, 2017

Emerging Disease Further Jeopardizes North American Frogs

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

Date published: September 18, 2017

Western Fisheries Science News, August 2017 | Issue 5.8

Science to Support Salmon Recovery Efforts in the Puget Sound

Date published: September 6, 2017

Wildfire and Invasive Species Drives Increasing Size and Cost of Public Land Restoration Efforts

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.

Date published: September 5, 2017

Public Invitation: USGS La Crosse Science Center Opens Doors for Interactive Experience

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.  

Date published: August 30, 2017

Public Invitation: Jamestown Science Center Opens Doors for Interactive Experience

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.  

Date published: August 25, 2017

Story from the Field: Ducks of Suisun Marsh

Suisun Marsh in summer is typically heavy with fog, mosquitoes, and biting flies, but the sun casts sharp light across the water, beating back the usual unpleasantness as WERC volunteer Brock Riggs wades toward a study site on an early July morning. 

Date published: August 23, 2017

Invasive Pest May Not Be Only Cause of Recent Louisiana Marsh Die-off

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.

Date published: August 16, 2017

Changing Tides: Lake Michigan Could Best Support Lake Trout and Steelhead

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.

Date published: August 10, 2017

Media Advisory: Wildlife Partners Unite to Protect Iconic Species from Deadly Plague

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.  

Date published: August 1, 2017

Deadly Fungus Affecting Hibernating Bats Could Spread During Summer

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.

Date published: July 20, 2017

Western Fisheries Science News, July 2017 | Issue 5.7

In Memoriam - Dr. William "Dave" Woodson, 1956-2017

Date published: July 17, 2017

Wildlife Cameras Offer Insight on Geese for Industry and Researchers in the Arctic

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.