Effects of hunting on mating, relatedness, and genetic diversity in a puma population
John A. Erwin, Kenneth A. Logan, Daryl R. Trumbo, W. Chris Funk, Melanie Culver
2024, Molecular Ecology (33)
Hunting mortality can affect population abundance, demography, patterns of dispersal and philopatry, breeding, and genetic diversity. We investigated the effects of hunting on the reproduction and genetic diversity in a puma population in western Colorado, USA. We genotyped over 11,000 single nucleotide polymorphisms (SNPs), using double-digest, restriction site-associated DNA sequencing...
Weather influences survival probability in two coexisting mammals directly and indirectly via competitive asymmetry
Austin Z.T. Allison, Courtney J. Conway, Amanda R. Goldberg
2024, Ecology (105)
Ecologists have studied the role of interspecific competition in structuring ecological communities for decades. Differential weather effects on animal competitors may be a particularly important factor contributing to the outcome of competitive interactions, though few studies have tested this hypothesis in free-ranging animals. Specifically,...
An open-source workflow for scaling burn severity metrics from drone to satellite to support post-fire watershed management
Joshua W. Von Nonn, Miguel L. Villarreal, Leonhard Blesius, Jerry D. Davis, Skye C. Corbett
2024, Environmental Modelling & Software (172)
Wildfires are increasing in size and severity across much of the western United States, exposing vulnerable wildland-urban interfaces to post-fire hazards. The Mediterranean chaparral region of Northern California contains many high sloping watersheds prone to hazardous post-fire flood events and...
Hyperspectral (VNIR-SWIR) analysis of roll front uranium host rocks and industrial minerals from Karnes and Live Oak Counties, Texas Coastal Plain
Bernard E. Hubbard, Tanya J. Gallegos, Victoria G. Stengel, Todd M. Hoefen, Raymond F. Kokaly, Brent Elliott
2024, Journal of Geochemical Exploration (257)
VNIR-SWIR (400–2500 nm) reflectance measurements were made on the surfaces of various cores, cuttings and sample splits of sedimentary rocks from the Tertiary Jackson Group, and Catahoula, Oakville and Goliad Formations. These rocks vary in composition and texture from mudstone and claystone to sandstone and are known host rocks for roll front uranium occurrences...
Evaluation of anticoagulant rodenticide sensitivity by examining in vivo and in vitro responses in avian species, focusing on raptors
Kraisiri Khidkhan, Fuyu Yasuhira, Aksorn Saengtienchai, Chaiyan Kasorndorkbua, Ratiwan Sitdhibutr, Kohei Ogasawara, Hikaru Adachi, Yukiko Watanabe, Keisuke Saito, Hidefumi Sakai, Kazuo Horikoshi, Hajime Suzuki, Yusuke K. Kawai, Kazuki Takeda, Yared B. Yohannes, Yoshinori Ikenaka, Barnett A. Rattner, Mayumi Ishizuka, Shouta Nakayama
2024, Environmental Pollution (341)
Anticoagulant rodenticides (ARs) are used to control pest rodent species but can result in secondary poisoning of non-target animals, especially raptors. In the present study, differences in AR sensitivity among avian species were evaluated by comparing in vivo warfarin pharmacokinetics and effects, measuring cytochrome P450s (CYPs) expression involved in AR metabolism, and...
Insights into glendonite formation from the upper Oligocene Sagavanirktok Formation, North Slope, Alaska
John W. Counts, Madeleine Vickers, Martha Stokes, Whittney Spivey, Kristina Frank Gardner, Jean Self-Trail, Jared T. Gooley, Ryan J. McAleer, Aaron M. Jubb, David W. Houseknecht, Richard O. Lease, Neil Patrick Griffis, Martin S. Vickers, Kasia Sliwinska, Hannah Gail Dooley Tompkins, Adam M. Hudson
2024, Journal of Sedimentary Research (94) 179-206
The type locality for the upper Oligocene Nuwok Member of the Sagavanirktok Formation (Carter Creek, North Slope, Alaska, USA) contains abundant occurrence of glendonite, a pseudomorph after the calcium carbonate mineral ikaite, which typically forms in the shallow subsurface of cold marine sediments....
Etiology of a fish kill, Including the endangered Tidewater Goby (Eucyclogobius newberryi), in a northeastern pacific coastal lagoon
Frederick V. Feyrer, Matthew J. Young, Tamara E. C. Kraus, Elizabeth B. Stumpner, Darren Fong, Kurt D. Carpenter
2024, Estuaries and Coasts (47) 894-904
Ecological disturbances such as fish kills can negatively impact ecosystem processes in coastal lagoons. To gain an understanding of factors causing fish kills, we examined conditions associated with a summertime fish kill in a northeastern Pacific coastal lagoon (Rodeo Lagoon, CA, USA). Examination of available data...
Integrated geologic and geophysical modeling across the Bartlett Springs fault zone, northern California (USA): Implications for fault creep and regional structure
Victoria Langenheim, Robert J. McLaughlin, Benjamin L. Melosh
2024, Geosphere (20) 129-151
The rate and location at depth of fault creep are important, but difficult to characterize, parameters needed to assess seismic hazard. Here we take advantage of the magnetic properties of serpentinite, a rock type commonly associated with fault creep, to model its depth...
Organic layers preserved in ice patches: A new record of Holocene environmental change on the Beartooth Plateau, USA
Mio Alt, Kathryn Puseman, Craig Lee, Gregory T. Pederson, Joseph R. McConnell, Nathan J. Chellman, David B. McWethy
2024, The Holocene (34) 338-352
Growing season temperatures play a crucial role in controlling treeline elevation at regional to global scales. However, understanding of treeline dynamics in response to long-term changes in temperature is limited. In this study, we analyze pollen, plant macrofossils, and charcoal preserved in organic layers within a 10,400-year-old...
Global seismic networks operated by the U.S. Geological Survey
David C. Wilson, Charles R. Hutt, Lind Gee, Adam T. Ringler, Robert Anthony
2024, Seismological Research Letters (95) 1578-1590
The U.S. Geological Survey (USGS) Global Seismographic Network (GSN) Program operates two thirds of the GSN, a network of state‐of‐the‐art, digital seismological and geophysical sensors with digital telecommunications. This network serves as a multiuse scientific facility and a valuable resource for research, education,...
Accounting for spatiotemporal sampling variation in joint species distribution models
Joshua S. North, Erin M. Schliep, Gretchen J.A. Hansen, Holly Kundel, Christopher A. Custer, Paul McLaughlin, Tyler Wagner
2024, Journal of Applied Ecology (61) 186-201
Estimating relative abundance is critical for informing conservation and management efforts and for making inferences about the effects of environmental change on populations. Freshwater fisheries span large geographic regions, occupy diverse habitats and consist of varying species assemblages. Monitoring schemes used to sample...
Imperfect detection and misidentification affect inferences from data informing water operation decisions
Joseph E. Kirsch, James T. Peterson, Adam Duarte, Denise Goodman, Andrew Goodman, Sara Hugentobler, Mariah Meek, Russell W. Perry, Lori Smith, Jeffrey Stuart
2024, North American Journal of Fisheries Management (44) 335-358
ObjectiveManagers can modify river flow regimes using fish monitoring data to minimize impacts from water management infrastructure. For example, operation of the gate-controlled Delta Cross Channel (DCC) in California can negatively affect the endangered Sacramento River winter-run Chinook Salmon Oncorhynchus tshawytscha. Although guidelines have been developed for DCC...
Landscape configuration alters movement behavior and space-use of a Hawaiian forest bird community
Kristina L. Paxton, Jennifer R Smetzer, Patrick J. Hart, Marti J Anderson, Eben H. Paxton
2024, Journal of Avian Biology (2024)
Habitat loss and fragmentation are considered the greatest threats to ecosystems worldwide. Movement reveals how individuals meet their habitat requirements and respond to environmental heterogeneity, and thus can provide a powerful tool for investigating how animals respond to changes in landscape configuration. In our study,...
Arizona Groundwater Explorer: Interactive maps for evaluating the historical and current groundwater conditions in wells in Arizona, USA
Fred D. Tillman, Marilyn E. Flynn
2024, Hydrogeology Journal (32) 645-661
Groundwater is an important water source in Arizona, accounting for about 41% of water use in this mostly arid-to-semiarid state in the southwestern United States, and the availability of groundwater resources in the state is a concern. To provide accessible information from depth-to-groundwater data, a series of web-based interactive maps...
Understanding marsh elevation and accretion processes and vulnerability to rising sea levels across climatic and geomorphic gradients in California, USA
Karen M. Thorne, McKenna Leigh Bristow, Lyndsay L. Rankin, Katya E. Kovalenko, Justine Annaliese Neville, Chase M. Freeman, Glenn R. Guntenspergen
2024, Estuaries and Coasts (47) 1972-1992
Tidal marshes build elevations by below- and aboveground organic and mineral soil processes. Marsh elevation and accretion data can be used to determine if marshes are keeping pace with sea-level rise. Using a network of 54 deep rod surface elevation tables with paired feldspar marker horizon...
Cisco population characteristics in Wisconsin lakes in relation to lake- and landscape-level factors
Daniel J. Dembkowski, Jeremiah S. Shrovnal, Timothy P. Parks, Greg G. Sass, John Lyons, Daniel A. Isermann
2024, Transactions of the American Fisheries Society (153) 93-111
ObjectiveDeclines in Cisco Coregonus artedi populations in some inland lakes have prompted assessments of Cisco occurrence and extirpation risk in relation to various stressors to identify refuge lakes and factors that promote Cisco persistence. However, most previous assessments have focused on presence–absence of Cisco rather than examining how population...
Grizzly bear responses to restrictions of recreation in Yellowstone National Park
Elise Loggers, Andrea R. Litt, Frank T. van Manen, Mark A. Haroldson, Kerry A. Gunther
2024, Journal of Wildlife Management (88)
Avoiding humans will be more difficult and energetically costly for animals as outdoor recreation increases and people venture farther into wildland areas that provide high-quality habitat for wildlife. Restricting human access can be an attractive management tool to mitigate effects of human recreation activities on wildlife; however, the efficacy of...
Coyotes in the Great Basin desert do not exhibit a spatial response following the removal of anthropogenic water sources
Nadine Pershyn, Eric Gese, Erica Francis Stuber, Brian Kluever
2024, Journal of Arid Environments (220)
Coyote (Canis latrans) range expansion into desert ecosystems has highlighted the role of anthropogenic water sources in arid ecosystems. Despite hypotheses that additional water facilitated this expansion, previous studies reported that coyotes did not exhibit a spatial or dietary...
Toxicity of wildland fire retardants to rainbow trout in short exposures
Holly J. Puglis, Michael G. Iacchetta
2024, Environmental Toxicology and Chemistry (43) 398-404
Long-term wildland fire retardants are one important tool used to control and suppress wildfires. During suppression activities, these retardants may enter waterbodies; thus, there is a need to understand their potential effects to aquatic biota. We investigated...
Crustal block-controlled contrasts in deformation, uplift, and exhumation in the Santa Cruz Mountains, California, USA, imaged through apatite (U-Th)/He thermochronology and 3-D geological modeling
Curtis William Baden, David L. Shuster, Jeremy H. Hourigan, Jared T. Gooley, Melanie Cahill, George E. Hilley
2024, Geological Society of America Bulletin (136) 2789-2814
Deformation along strike-slip plate margins often accumulates within structurally partitioned and rheologically heterogeneous crustal blocks within the plate boundary. In these cases, contrasts in the physical properties and state of juxtaposed crustal blocks may play an important role in accommodation of deformation. Near...
Geothermal play fairway analysis, part 1: Example from the Snake River Plain, Idaho
John W. Shervais, Jacob DeAngelo, Jonathan M.G. Glen, Dennis L. Nielson, Sabodh Garg, Patrick Dobson, Erika Gasperikova, Eric Sonnenthal, Lee M. Liberty, Dennis L. Newell, Drew Lorenz Siler, James P. Evans
2024, Geothermics (117)
The Snake River Plain (SRP) volcanic province overlies the track of the Yellowstone hotspot, a thermal anomaly that extends deep into the mantle. Most of the area is underlain by a basaltic volcanic province that overlies a mid-crustal intrusive complex, which in turn provides the long-term heat flux needed...
Assessing the added value of antecedent streamflow alteration information in modeling stream biological condition
Taylor Woods, Ken Eng, Daren M. Carlisle, Matthew J. Cashman, Michael R. Meador, Karen R. Ryberg, Kelly O. Maloney
2024, Science of the Total Environment (908)
In stream systems, disentangling relationships between biology and flow and subsequent prediction of these relationships to unsampled streams is a common objective of large-scale ecological modeling. Often, streamflow metrics are derived from aggregating continuous...
Rethinking cost-share programs in consideration of economic equity: A case study of wildfire risk mitigation assistance for private landowners
James R. Meldrum, Patricia A. Champ, Hannah Brenkert-Smith, Christopher M. Barth, Abby Elizabeth McConnell, Carolyn Wagner, Colleen Donovan
2024, Ecological Economics (216) 108041
Public agencies and organizations often deliver financial assistance through cost sharing, in which recipients contribute some portion toward total costs. However, cost sharing might raise equity concerns if it reduces participation among populations with lower incomes. Here, we revisit a past study using a...
Detection and quantification of preferential flow using artificial rainfall with multiple experimental approaches
Maria Clementina Caputo, Lorenzo De Carlo, Rita Masciale, Kimberlie Perkins, Antonietta Celeste Turturro, John R. Nimmo
2024, Hydrogeology Journal (32) 467-485
Preferential flow in the unsaturated zone strongly influences important hydrologic processes, such as infiltration, contaminant transport, and aquifer recharge. Because it entails various combinations of physical processes arising from the interactions of water, air, and solid particles in a porous medium, preferential flow is highly complex. Major research is needed...
Evidence of Seattle Fault earthquakes from patterns of deep-seated landslides
Erich Herzig, Alison Duvall, Adam Booth, Ian P. Stone, Erin A. Wirth, Sean Richard LaHusen, Joseph Wartman, Alex R. Grant
2024, Bulletin of the Seismological Society of America (114) 1084-1102
Earthquake‐induced landslides can record information about the seismic shaking that generated them. In this study, we present new mapping, Light Detection and Ranging‐derived roughness dating, and analysis of over 1000 deep‐seated landslides from the Puget Lowlands of Washington, U.S.A., to probe the landscape...
