Maintenance and dissemination of avian-origin influenza A virus within the northern Atlantic Flyway of North America
Diann Prosser, Jiani Chen, Christina Ahlstrom, Andrew B. Reeves, Rebecca L. Poulson, Jeffery D. Sullivan, Daniel McAuley, Carl R. Callahan, Peter C. McGowan, Justin Bahl, David E. Stallknecht, Andrew M. Ramey
2022, PLoS Pathogens (18)
Wild waterbirds, the natural reservoirs for avian influenza viruses, undergo migratory movements each year, connecting breeding and wintering grounds within broad corridors known as flyways. In a continental or global view, the study of virus movements within and across flyways is important to understanding virus diversity,...
Movement of Canada geese in urban and rural areas of Iowa, USA
Benjamin Z. Luukkonen, Robert W. Klaver, Orrin E. Jones III
2022, Avian Conservation and Ecology (17)
Temperate-breeding Canada Goose (Branta canadensis maxima) abundance has increased to previously unrecorded levels, providing social, ecological, and economic value. However, there are also costs associated with abundant Canada Geese. Although hunter harvest is a valued, sustainable use of Canada Geese, the adaptability of geese to urban areas may result in...
Evidence of alternative trophic pathways for fish consumers in a large river system in the face of invasion
John V. Gatto, Brian Ickes, John H. Chick
2022, River Research and Applications (38) 1321-1332
Large rivers are susceptible to anthropogenic alteration, which can result in drastic changes to their functional ecology. We evaluated spatial–temporal changes in the functional fish communities of the Upper Mississippi River System (UMRS) using data from six study reaches. Species were classified into one of 14...
Streamflow reconstructions from tree rings and variability in drought and surface water supply for the Milk and St. Mary River basins
Justin Martin, Gregory T. Pederson
2022, Quaternary Science Reviews (288)
The Milk and St. Mary Rivers are international waterways straddling the United States and Canada and traversing four Tribal Nations before draining into the Missouri and South Saskatchewan Rivers respectively. Management of water resources in the region is challenged by the...
Global tellurium supply potential from electrolytic copper refining
Nedal T. Nassar, Haeyeon Kim, Max Frenzel, Michael S. Moats, Sarah M. Hayes
2022, Resources, Conservation & Recycling (184)
The transition towards renewable energy requires increasing quantities of nonfuel mineral commodities, including tellurium used in certain photovoltaics. While demand for tellurium may increase markedly, the potential to increase tellurium supply is not well-understood. In this analysis, we estimate the quantity of tellurium contained in anode slimes generated...
Interpreting long-distance movements of non-migratory golden eagles: Prospecting and nomadism?
Sharon A. Poessel, Brian Woodbridge, Brian W. Smith, Robert K. Murphy, Bryan E Bedrosian, Douglas A. Bell, David Bittner, Peter H. Bloom, Ross H. Crandall, Robert Domenech, Robert N. Fisher, Patricia Haggerty, Steven J. Slater, Jeff A. Tracey, James W. Watson, Todd E. Katzner
2022, Ecosphere (13)
Movements by animals can serve different functions and occur over a variety of spatial and temporal scales. Routine movement types, such as residency (localized movements) and migration, have been well studied. However, nonroutine movement types, such as dispersal, prospecting, and nomadism, are less well understood. Documenting these rarely detected events...
A three-dimensional Lagrangian particle tracking model for predicting transport of eggs of rheophilic-spawning carps in turbulent rivers
Geng Li, Bin Wang, Caroline M. Elliott, Bruce Call, Duane Chapman, R. B. Jacobson
2022, Ecological Modelling (470) 110035
Grass carp, bighead carp, and silver carp spawn in flowing water. Their eggs, and then larvae, develop while drifting. Hydraulic conditions and water temperature control spawning locations, egg survival, and the downstream distance traveled before the hatched larvae can swim for low velocity...
Multi-stage soil-hydraulic recovery and limited ravel accumulations following the 2017 Nuns and Tubbs wildfires in Northern California
Jonathan P. Perkins, Carlos Diaz, Skye C. Corbett, Corina Cerovski-Darriau, Jonathan D. Stock, Jeffrey Paul Prancevic, Lisa Micheli, Jay Jasperse
2022, Journal of Geophysical Research: Earth Surface (127)
Wildfire can impact soil-hydraulic properties by reducing saturated hydraulic conductivity and sorptivity, making recently burned landscapes prone to debris flows and flash floods. The post-fire hazard window can range from years to decades. In Northern California, where wildfire frequency is steadily increasing, the impact and soil-hydraulic recovery...
Petrogenesis and rare earth element mineralization of the Elk Creek carbonatite, Nebraska, USA
Philip Verplanck, G. Lang Farmer, Richard M. Kettler, Heather A. Lowers, Craig A. Johnson, Alan E. Koenig, Michael J. Blessington
2022, Ore Geology Reviews (146)
Although carbonatites are the primary source of the world’s rare earth elements (REEs), the processes responsible for ore-grade REE enrichment in carbonatites are still poorly understood. In this study, we present a petrologic, geochemical, and isotopic evaluation of the Elk Creek carbonatite in southeast Nebraska...
Methods for computing 7Q2 and 7Q20 low-streamflow statistics to account for possible trends
Luther Schalk, Robert W. Dudley, Annalise G. Blum
2022, Open-File Report 2021-1111
Low-streamflow statistics, such as the annual minimum 7-day streamflow (which is the 7-day streamflow likely to be exceeded in 9 out of 10 years on average [7Q10]), that are computed by using the full historical streamflow record may not accurately represent current conditions at sites with statistically significant trends in...
Breeding dynamics of gopher frog metapopulations over 10 years
Brian A. Crawford, Anna L. Farmer, Kevin M Enge, Aubrey Heupel Greene, Lauren Diaz, John C. Maerz, Clinton T. Moore
2022, Journal of Fish and Wildlife Management (13) 422-436
Populations of amphibians that breed in isolated, ephemeral wetlands may be particularly sensitive to breeding and recruitment rates, which can be influenced by dynamic and difficult-to-predict extrinsic factors. The gopher frog Rana capito is a declining species currently proposed for listing under the U.S. Endangered Species Act, as well as one of...
Biogeography of freshwater mussels (Bivalvia: Unionida) in Texas and implications on conservation biology
Michael de Moulpied, Chase H. Smith, Clint R. Robertson, Nathan Johnson, Roel Lopez, Charles R. Randklev
2022, Diversity and Distributions (28) 1458-1474
AimBiogeography seeks to identify and explain the spatial distributions of species and has become an important tool used by conservationists to protect and manage aquatic organisms. Texas, located in the southwestern United States, is home to 52 species of freshwater mussels, 9 of which are endemic to Texas and 7...
Structured decision making to rank North American Wetland Conservation Act proposals within joint venture regions
Anastasia Krainyk, James E. Lyons, Gregory J. Soulliere, John M. Coluccy, Barry C. Wilson, Michael G. Brasher, Mohammed A Al-Saffar, Dale D. Humburg
2022, Journal of Fish and Wildlife Management (13) 375-395
The North American Wetlands Conservation Act (16 U.S.C. 4401-4412) provided funding and administration for wetland management and conservation projects. The North American Wetland Conservation Fund, enabled in 1989 with the Act, provides financial resources. Resource allocation decisions are based, in part, on regional experts, particularly migratory bird Joint Ventures (JVs)...
Can coastal habitats rise to the challenge? Resilience of estuarine habitats, carbon accumulation, and economic value to sea-level rise in a Puget Sound estuary
Monica Mei Jeen Moritsch, Kristin B. Byrd, Melanie J. Davis, Anthony J. Good, Judith Z. Drexler, James T. Morris, Isa Woo, Lisamarie Windham-Myers, Eric E. Grossman, Glynnis Nakai, Katrina L. Poppe, John M. Rybczyk
2022, Estuaries and Coasts (45) 2293-2309
Sea-level rise (SLR) and obstructions to sediment delivery pose challenges to the persistence of estuarine habitats and the ecosystem services they provide. Restoration actions and sediment management strategies may help mitigate such challenges by encouraging the vertical accretion of sediment in and horizontal migration of tidal forests and marshes. We...
Long-term groundwater availability in the Waihe‘e, ‘Īao, and Waikapū aquifer systems, Maui, Hawai‘i
Kolja Rotzoll, Delwyn S. Oki, Adam G. Johnson, William R. Souza
2022, Scientific Investigations Report 2021-5113
Groundwater levels have declined since the 1940s in the Wailuku area of central Maui, Hawai‘i, on the eastern flank of West Maui volcano, mainly in response to increased groundwater withdrawals. Available data since the 1980s also indicate a thinning of the freshwater lens and an increase in chloride concentrations of...
Quantifying the effects of tides, river flow, and barriers on movements of Chinook Salmon smolts at junctions in the Sacramento–San Joaquin River Delta using multistate models
Michael Dodrill, Russell Perry, Adam Pope, Xiaochun Wang
2022, Environmental Biology of Fishes (105) 2065-2082
Successful migration of Chinook Salmon (Oncorhynchus tshawytscha) smolts seaward in the Sacramento – San Joaquin River Delta (hereafter, Delta) requires navigating a network of numerous branching channels. Within the Delta, several key junctions route smolts either towards more direct paths to the ocean or towards the interior Delta, an area...
Dynamic sensitivity to resource availability influences population responses to mismatches in a shorebird
Luke R. Wilde, Josiah E. Simmons, Rose J. Swift, Nathan R. Senner
2022, Ecology (103)
Climate change has caused shifts in seasonally recurring biological events leading to the temporal decoupling of consumer-resource pairs – i.e., phenological mismatching. Although mismatches often affect individual fitness, they do not invariably scale up to affect populations, making it difficult to assess the risk they pose. Individual variation may contribute...
Georgia and Landsat
U.S. Geological Survey
2022, Fact Sheet 2022-3039
Georgia’s nickname is “The Peach State” for its fruitful production, but it also could be called “The State of Abundance.” Georgia ranks in the top 10 States for population, at more than 10 million residents, and 6 million residents are in the greater Atlanta area. Georgia also ranks in the...
A look ahead to the next decade at US volcano observatories
Hannah R. Dietterich, Christina A. Neal
2022, Bulletin of Volcanology (84)
Volcano monitoring, eruption response, and hazard assessment at volcanoes in the United States of America (US) fall under the mandate of five regional volcano observatories covering 161 active volcanoes. Working in a wide range of volcanic and geographic settings, US observatories must learn from and apply new knowledge and techniques...
Taking the leap: A binational translocation effort to close the 420-km gap in the Baja California lineage of the California red-legged frog (Rana draytonii)
Susan North, Jonathan Q. Richmond, Frank E. Santana, Anny Peralta-García, Elizabeth Gallegos, Adam R. Backlin, Cynthia Joan Hitchcock, Bradford Hollingsworth, Jorge H. Valdez-Villavicencio, Zachary Principe, Robert N. Fisher, Clark S. Winchell
2022, Frontiers in Conservation Science (3)
Conservation translocations, the human-mediated movement and release of a living organism for a conservation benefit, are increasingly recommended in species’ recovery plans as a technique for mitigating population declines or augmenting genetic diversity. However, translocation protocols for species with broad distributions may require regionally specific considerations to increase success, as...
Chew-cards can accurately index invasive rat densities in Mariana Island forests
Emma B. Hanslowe, Amy A. Yackel Adams, Melia Gail Nafus, Douglas A Page, Danielle R. Bradke, Francesca T. Erickson, Larissa L. Bailey
2022, NeoBiota (74) 29-56
Rats (Rattus spp.) are likely established on 80–90% of the world’s islands and represent one of the most damaging and expensive biological invaders. Effective rat control tools exist but require accurate population density estimates or indices to inform treatment timing and effort and to assess...
Application of recursive estimation to heat tracing for groundwater/surface-water exchange
W. Anderson McAliley, Frederick Day-Lewis, David M. Rey, Martin A. Briggs, Allen M. Shapiro, Dale Werkema
2022, Water Resources Research (58)
We present and demonstrate a recursive-estimation framework to infer groundwater/surface-water exchange based on temperature time series collected at different vertical depths below the sediment/water interface. We formulate the heat-transport problem as a state-space model (SSM), in which the spatial derivatives in the convection/conduction equation are approximated using...
Emoia atrocostata (tidepool skink, mangrove skink). USA Commonwealth of the Northern Mariana Islands: Saipan Island
Robert Reed, Jill Liske-Clark, Samantha Liske-Clark
2022, Herpetological Review (53) 262-263
No abstract available....
Spout Run temperature study revisited- Part II: New insights for trout habitat from TU & USGS collaboration 2022
Nathaniel P. Hitt
2022, Newsletter
The Winchester TU Chapter partnered with US Geological Survey scientists to forecast habitat conditions for brook trout in Virginia. The results can be viewed here: https://chesapeake.usgs.gov/fishforecast/ TU members deployed stream temperature gages within several streams across the region: Dry River, Passage Creek, Spout Run, Beaver Creek, Mossy Creek. The USGS...
New state and county records of introduced amphibians and reptiles of Georgia, USA.
Michael Brennan, Lance McBrayer, Joseph Carroll, Kenneth L. Krysko, Amy A. Yackel Adams
2022, Herpetological Review (53) 272-273
Recent efforts to eradicate the invasive Argentine Giant Tegu (Salvator merianae) has led to the discovery of several county records of this introduced lizard as well as several other potentially invasive amphibian and reptile species in the state of Georgia, USA. New records were determined using a database of county...
