Disinfection protocols for herpetofaunal pathogens
Molly C. Bletz, James T. Julian, Megan S. Kirchgessner, James M. Drasher, Paula F. P. Henry, Susan D. Jewell, Pamela T. Meier, Kathy Michelle, Jennifer C. Olori, Kevin J. Oxenrider, Michael J. Ravesi, Scott A. Smith
2023, Herpetological Review (54) 200-203
The spread of disease-causing pathogens is a major threat to amphibians and reptiles worldwide (Converse and Greene 2005; Picco et al. 2007; Picco and Collins 2008; St-Amour et al. 2008; O’Hanlon et al. 2018; Scheele et al. 2019). The World Organisation for Animal Health’s global list of notifiable animal diseases...
A mixture of Nalbuphine, Azaperone, and Medetomidine for Immobilizing Ringtail (Bassariscus astutus)
Lindsay N. Somers, DeWaine H. Jackson, Katie Dugger, Julia D. Burco
2023, Journal of Wildlife Diseases (59) 610-615
We evaluated a combination of nalbuphine HCl (40 mg/mL), azaperone tartrate (10 mg/mL), and medetomidine HCl (10 mg/mL), a combination known as NAM or NalMed-A, in 23 ringtails (Bassariscus astutus) during 29 handling events for a radio-collaring study in southern Oregon, US, from August 2020...
Elevation, canopy cover and grass cover structure patterns of seedling establishment in a subtropical post-fire restoration
Christopher Warneke, Lars Brudvig, Makani Gregg, Sierra McDaniel, Stephanie G. Yelenik
2023, Ecological Solutions and Evidence (4)
Ecological restoration is beneficial to ecological communities in this era of large-scale landscape change and ecological disruption. However, restoration outcomes are notoriously variable, which makes fine-scale decision-making challenging. This is true for restoration efforts that follow large fires, which are increasingly common as the climate changes.Post-fire restoration efforts, like...
Historically active volcanoes of Alaska reference deck
Cheryl E. Cameron, Kristen A. H. Janssen, Tim R. Orr, Matthew W. Loewen
2023, Alaska Division of Geological & Geophysical Surveys Information Circular IC59 v.3
No abstract available....
Submersed macrophyte density regulates aquatic greenhouse gas emissions
Meredith E. Theus, Nicholas E. Ray, Sheel Bansal, Meredith A. Holgerson
2023, JGR Biogeosciences (128)
Shallow freshwater ecosystems emit large amounts of greenhouse gases (GHGs), such as carbon dioxide (CO2) and methane (CH4), yet emissions are highly variable. The role that aquatic macrophytes play in regulating aquatic GHG emissions is uncertain despite their ability to dominate shallow waterbodies. Here, we studied the...
USGS RAMPS (Restoration Assessment and Monitoring Program for the Southwest) newsletter - Fall 2023 edition
Laura Cecilia Shriver
2023, Newsletter
No abstract available....
Evidence for infection influencing survival of the freshwater copepod Salmincola californiensis, a parasite of Pacific salmon and trout
Christina Amy Murphy, William Gerth, Travis Neal, Kelsi Antonelli, Justin L. Sanders, Ivan Arismendi
2023, Journal of Aquatic Animal Health (35) 280-285
ObjectiveWe explore apparent infection of Salmincola californiensis arising during investigations involving this lernaeopodid copepod parasitic on Pacific salmon and trout Oncorhynchus spp.MethodsWe noted occasional unusual coloration of adult female copepods collected from the wild. These females were bright blue and pink in contrast to the cream white coloration...
Mercury sources and budget for the Snake River above a hydroelectric reservoir complex
Austin K. Baldwin, Sarah E. Janssen, Michael T. Tate, Brett Poulin, Alysa Muir Yoder, Jesse Naymik, Christopher F. Larsen, Charles Hoovestol, David P. Krabbenhoft
2023, Science of the Total Environment (907)
Understanding sources of mercury (Hg) and methylmercury (MeHg) to a water body is critical for management but is often complicated by poorly characterized Hg inputs and in situ processes, such as inorganic Hg methylation. In this study, we determined inorganic Hg and MeHg concentrations...
Movement behavior, habitat selection, and functional responses to habitat availability among four species of wintering waterfowl in California
Cory T. Overton, Michael L. Casazza
2023, Frontiers in Ecology and Evolution (11)
Habitat selection analyses provide a window into the perceived value of habitats by animals and how those perceptions compare with other animals, change across time, or change in relation to availability (termed functional responses). Habitat selection analysis and functional responses can be used to develop strategies to avoid habitat limitations,...
Effects of solar energy development on ants in the Mojave Desert
Steven Mark Grodsky, Karl A. Roeder, Joshua W. Campbell
2023, Ecosphere (14)
Land-use change from solar energy development may affect desert ecosystems and the soils, plants, and animals therein, yet our understanding of these interactions is nascent. With their ubiquity, criticality as ecosystem constituents, and sensitivity to environmental variation, ants may be useful study organisms for elucidating ecological effects of solar energy...
Annual and inter-annual variability in the diffuse attenuation coefficient and turbidity in an urbanized Washington lake from 2013 to 2022 assessed using Landsat-8/9
Jennifer A. Schulien, Tessa Julianne Code, Curtis L. DeGasperi, David Beauchamp, Arielle Tonus Ellis, Arni H. Litt
2023, Remote Sensing (15)
Water clarity, defined in this study using measurements of the downwelling diffuse light attenuation coefficient (Kd) and turbidity, is an important indicator of lake trophic status and ecosystem health. We used in-situ measurements to evaluate existing semi-analytical models for Kd and turbidity, developed a regional turbidity model based on spectral shape,...
Ammonia and aquatic ecosystems – A review of global sources, biogeochemical cycling, and effects on fish
Thea M. Edwards, Holly J. Puglis, Jonathan Lopez Duran, Lillian Bradshaw, Douglas B. Kent, Aida Farag
2023, Science of the Total Environment (9097)
The purpose of this review is to better understand the full life cycle and influence of ammonia from an aquatic biology perspective. While ammonia has toxic properties in water and air, it also plays a central role in the biogeochemical nitrogen (N) cycle and...
Climate-induced shifts in grassland bird nesting phenology have implications for grassland management
Michael J. Anteau, Kristen S. Ellis, Garrett J. MacDonald, Lawrence Igl, Neal D. Niemuth, Josh Vest
2023, Global Ecology and Conservation (48) e02700
Grasslands are among the most impacted ecosystems globally. In the midcontinent of North America, a > 80% loss of grasslands has made their conservation a major priority for resource managers. Grassland ecosystems evolved under periodic disturbances; consequently, grassland management often involves regular...
Conservation genomics of an endangered montane amphibian reveals low population structure, low genomic diversity and selection pressure from disease
Daryl Trumbo, Bennett Hardy, Harry Crockett, Erin L. Muths, Brenna R. Forester, Rebecca Cheek, Shawna J Zimmerman, Sarah Corey-Rivas, Larissa L. Bailey, Chris Funk
2023, Molecular Ecology (32) 6777-6795
Wildlife diseases are a major global threat to biodiversity. Boreal toads (Anaxyrus [Bufo] boreas) are a state-endangered species in the southern Rocky Mountains of Colorado and New Mexico, and a species of concern in Wyoming, largely due to lethal skin infections caused by the...
Opera Dynamic Surface Water extents for Harmonized Landsat Sentinel-2 (DSWX-HLS) validation activities
Nicholas Arena, Grace Bato, David Bekaert, Matthew Bonnema, Steven Chan, Bruce Chapman, John Jones, Alexander L. Handwerger, Alex Lewandowski, Charlie Marshak, Simran Sangha, Karthik Venkataramani
2023, Conference Paper
We present the validation methodology and results of Dynamic Surface Water eXtent from Harmonized Landsat Sentinel-2 (DSWx-HLS). The DSWx-HLS product is the first of the DSWx suite, comprised of products each which map water from Earth Observation optical and SAR satellites. We detail the generation of high-resolution (3 m) validation...
Change-point models for identifying behavioral transitions in wild animals
K.P. Gundermann, Duane R. Diefenbach, W. David Walter, A Corondi, J.E. Banfield, B.D. Wallingford, D.P. Stainbrook, C.S. Rosenberry, F.E. Buderman
2023, Movement Ecology (11)
Animal behavior can be difficult, time-consuming, and costly to observe in the field directly. Innovative modeling methods, such as hidden Markov models (HMMs), allow researchers to infer unobserved animal behaviors from movement data, and implementations often assume that transitions between states occur multiple times. However, some...
Including Rural America in academic conservation science
David J. Kurz, Arthur Middleton, Melissa S. Chapman, Bruce R. Huber, Michael C Mcinturff, Jeremy Sorgen, Kyle S. Van Houtan, Christine E. Wilkinson, Lauren Withey, Justin S. Brashares
2023, Frontiers in Conservation Science (4)
No abstract available....
Monitoring long-term changes of urban surface temperature using time-series land cover and remote sensing data across 50 major cities in the United States
George Z. Xian, Hua Shi, Chase William Mueller, Reza A Hussain, Kristi Sayler, Daniel Howard
2023, Conference Paper, IGARSS 2023 - 2023 IEEE international geoscience and remote sensing symposium
The increase of developed land changes the Earth’s ecosystems and, in doing so, impacts the natural environment and further affects the services it provides to humans. Urban growth and associated land cover transitions alter the thermal and physical properties of the land surface, resulting in surface temperature change in urban...
Mapping the Surface Urban Heat Island effect using the Landsat Surface Temperature Product
Chase Mueller, Reza Hussain, George Z. Xian, Hua Shi, Saeed Arab
2023, Conference Paper, IGARSS 2023 - 2023 IEEE international geoscience and remote sensing symposium
Urban development and associated land cover and land use change alter the thermal, hydrological, and physical properties of the land surface. Urban areas usually exhibit relatively warmer air and surface temperatures than surrounding non-urban lands, a phenomenon recognized as Surface Urban Heat Island (SUHI). As urban areas continue to develop...
An integrated framework for examining groundwater vulnerability in the Mekong River Delta region
Kathryn Powlen, Saira Haider, Kyle W. Davis, Nina Burkardt, Sachin D. Shah, Stephanie Romanach, Matthew E. Andersen
2023, PLoS ONE (10)
The Mekong River provides water, food security, and many other valuable benefits to the more than 60 million Southeast Asian residents living within its basin. However, the Mekong River Basin is increasingly stressed by changes in climate, land cover, and infrastructure. These changes can affect water...
Seasonal and elevational differences by sex in capture rate of ʻōpeʻapeʻa (Lasiurus semotus) on Hawai‘i Island
Julia P. S. Hoeh, Aaron A. Aguirre, Flor A. Calderon, Sean P. Casler, Sarah G. Ciarrachi, Karen Courtot, Kristina Montoya-Aiona, Corinna A. Pinzari, P. Marcos Gorresen
2023, Pacific Science (77) 1-26
The study of nocturnally active bats is difficult even for those species that seasonally congregate. This challenge is particularly acute for ‘ōpe‘ape‘a (Hawaiian hoary bat; Lasiurus semotus) because of its solitary foliage-roosting behavior. Yet surveys are essential for conservation and management of this endangered species and only land mammal endemic to...
Comparing NISAR (using Sentinel-1), USDA/NASS CDL, and ground truth crop/non-crop areas in an urban agricultural region
Simon Kraatz, Brian T. Lamb, W. Dean Hively, Jyoti Jennewein, Feng Gao, Michael H. Cosh, Paul Siqueira
2023, Sensors (23)
A general limitation in assessing the accuracy of land cover mapping is the availability of ground truth data. At sites where ground truth is not available, potentially inaccurate proxy datasets are used for sub-field-scale resolution investigations at large spatial scales, i.e., in the Contiguous United States. The USDA/NASS Cropland...
Bayesian weighting of climate models based on climate sensitivity
Elias Massoud, Huikyo Lee, Adam Terando, Michael Wehner
2023, Communications Earth & Environment (4)
Using climate model ensembles containing members that exhibit very high climate sensitivities to increasing CO2 concentrations can result in biased projections. Various methods have been proposed to ameliorate this ‘hot model’ problem, such as model emulators or model culling. Here, we utilize Bayesian Model Averaging as a...
Restructuring and serving web-accessible streamflow data from the NOAA National Water Model historic simulations
J. Michael Johnson, David L. Blodgett, Keith C. Clarke, Jon Pollak
2023, Nature, Scientific Data (10)
In 2016, the National Oceanic and Atmospheric Administration deployed the first iteration of an operational National Water Model (NWM) to forecast the water cycle in the continental United States. With many versions, an hourly, multi-decadal historic simulation is made available to the public. In all released...
Regional crustal structure of Indonesia from receiver functions
Ying Zhang, Walter D. Mooney
2023, Tectonophysics (865)
Characterizing the crustal structure of Indonesia is important to gain a better understanding of its geodynamic evolution and improve seismic hazard assessments in the area. However, a unified crustal model of the entire Indonesian region and its surroundings is lacking. We present new maps of crustal thickness and bulk Vp/Vs ratio...
