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Tracking the sources of metals to the San Juan River, Four Corners Region, USA: An introduction to the thematic issue Tracking the sources of metals to the San Juan River, Four Corners Region, USA: An introduction to the thematic issue
Surface water quantity and quality is important for arid and semi-arid regions where many people, including underserved and Indigenous communities, rely on a scarce resource for drinking water, irrigation, livestock and ceremonial uses. The southwestern United States, and specifically the Four Corners Region (Colorado, Arizona, New Mexico and Utah), is an example of this situation...
Authors
Johanna Blake, Stephen A. Austin, Fred Johnson, Jeb E. Brown, Shaleene Chavarria, Rachel Lynn Mixon, Caleb A. Van Zante, Kate Wilkins, Michael Ray Whiting, Christina L. Ferguson, Zachary Shephard, K. Bosch, Tristan Joel Austring, Zoreya (Zev) Eden Ratigan, Anani Atahnibaa Shomour, Douglas Yager
Tetrabromobisphenol S (TBBPS) causes non-negligible and multigenerational reproductive toxicity in zebrafish Tetrabromobisphenol S (TBBPS) causes non-negligible and multigenerational reproductive toxicity in zebrafish
Tetrabromobisphenol S (TBBPS) is one of the most extensively used brominated flame retardants detected in the environment. Despite its widespread presence, the effects of persistent environmental exposure to TBBPS on the reproductive system remain unclear, raising significant health concerns. Here, using the zebrafish (Danio rerio) model, we identified significant intergenerational...
Authors
Wenhui Qiu, Shuai Liu, Xinyuan Kang, Yu Liu, Bentuo Xu, Chenyuan Pan, Jason Tyler Magnuson, Xin Yang, Jing Zheng, Chunmiao Zheng, Elvis Genbo Xu
Diversity of polyomaviruses and papillomaviruses in penguins from eastern and western Antarctica Diversity of polyomaviruses and papillomaviruses in penguins from eastern and western Antarctica
Polyomaviruses and papillomaviruses are icosahedral viruses with small circular dsDNA genomes. Limited information on their diversity and evolution in avian hosts is available, with even less known regarding Antarctic penguins. Prior to this study, only one polyomavirus and two papillomaviruses had been identified in Adélie penguins (Pygoscelis adeliae). To expand our knowledge of these...
Authors
Melanie Regney, Virginia Morandini, Annie E. Schmidt, Josabel Belliure, Amélie Lescroël, Megan Elrod, Amy Li, Aidan Cox, Danny Khor, Dennis Jongsomjit, Jean Pennycook, Christina Burnham, Nadia Swanson, Suzanne Winquist, Katie M. Dugger, David G. Ainley, Grant Ballard, Simona Kraberger, Arvind Varsani
Predictors of mercury and pesticide fluxes by emerging adult aquatic insects from prairie pothole wetlands Predictors of mercury and pesticide fluxes by emerging adult aquatic insects from prairie pothole wetlands
Aquatic and terrestrial food webs are linked by movements of aquatic insects during their development from larvae to adults. Contaminants can affect these linkages by reducing insect survival and increasing tissue contaminant concentrations through adult metamorphosis, thus changing contaminant flux from water to land. Most anthropogenically influenced freshwater ecosystems are exposed...
Authors
Johanna M. Kraus, Freya Elizabeth Rowland, Michelle L. Hladik, Kelen Dowdy, Matthew M. Chumchal
Late Quaternary pollen record from southwest Seward Peninsula, western Alaska, and the vegetation history of central Beringia Late Quaternary pollen record from southwest Seward Peninsula, western Alaska, and the vegetation history of central Beringia
Pollen analysis of samples from a coastal exposure near Teller, southwestern Seward Peninsula, Alaska, provides a record of vegetation and climate spanning the Last Glacial Maximum (LGM) through the Holocene. The site is near the center of the former Bering Land Bridge (BLB). The oldest pollen-bearing sediment unit is a loess deposit of LGM age, with pollen assemblages that closely...
Authors
Thomas A. Ager
A monitoring framework to assess forest bird population response to landscape scale mosquito suppression using the Incompatible Insect Technique A monitoring framework to assess forest bird population response to landscape scale mosquito suppression using the Incompatible Insect Technique
The Birds, Not Mosquitoes Monitoring and Support Science Working Group detailed methods for monitoring the population response of Hawaiian forest birds during implementation of the Incompatible Insect Technique (IIT) on the islands of Maui and Kauaʻi. The group prioritized methods for measuring the influence of mosquito suppression on populations within IIT treatment and control areas...
Authors
Seth Judge, Christopher C Warren, Amanda K Navine, Richard J. Camp, Lisa H. Crampton, Hanna L Mounce, John Vetter, Lauren K. Smith, Patrick J. Hart, Mona Renee Bellinger, Katherine Maria McClure
Hosts, pathogens and hot ponds: Thermal mean and variability contribute to spatial patterns of chytrid infection Hosts, pathogens and hot ponds: Thermal mean and variability contribute to spatial patterns of chytrid infection
Temperature is a primary driver of heterogeneity in host–pathogen dynamics and understanding how patch-scale temperature affects landscape-scale patterns of pathogen infection is key to effective monitoring and management. In field studies, both temperature variability and mean temperature are often related to infection of ectothermic animals by fungal pathogens, and although these...
Authors
Brendan K Hobart, Daniel A. Grear, Megan Winzeler, Travis Mcdevitt-Galles, Timothy M Korpita, Erin L. Muths, Valerie J McKenzie
How high? Identifying elevation thresholds to guide coastal marsh restoration How high? Identifying elevation thresholds to guide coastal marsh restoration
Introduction Coastal marshes are highly valuable ecosystems facing threats from rising sea levels and intensifying storm events. To elevate marsh surfaces and prevent loss of ecosystem services, the beneficial use of dredged material (BUDM) is increasingly being implemented across the United States. Objectives The objective of this study was to aid decision-makers and restoration...
Authors
Emily N. Fromenthal, Camille L. Stagg, Jena A. Moon, Taylor Abshier, Omar Alawneh, Jack A. Cadigan, Daniel A. Gallegos, Brian D. Harris, Nia R. Hurst, Navid H. Jafari, Todd Merendino, Matthew R. Nelson, Michael J. Osland, Philip Pauling, Michael Rezsutek, Colt R. Sanspree, Rachel Katherine Villani
Adaptive instrument design strategy for collecting water, sediment samples and stage data in remote, ephemeral arroyos in the arid southwestern United States Adaptive instrument design strategy for collecting water, sediment samples and stage data in remote, ephemeral arroyos in the arid southwestern United States
Methods for collecting water, suspended sediment samples, and streamflow from rivers and streams have been documented in the literature by various science agencies. However, some projects may require data collected in difficult conditions including remote sites, sites that have limited accessibility during storms, and streamflow that occurs rarely. For these studies, adaptive approaches...
Authors
Jeb E. Brown, Caleb A. Van Zante, Rachel Lynn Mixon
Overestimated natural biological nitrogen fixation translates to an exaggerated CO2 fertilization effect in Earth System Models Overestimated natural biological nitrogen fixation translates to an exaggerated CO2 fertilization effect in Earth System Models
CO2 fertilization of the terrestrial biosphere is limited by nitrogen. Biological nitrogen fixation (BNF) is the dominant natural nitrogen source to the terrestrial biosphere and can alleviate nitrogen limitation but is poorly constrained in Earth system models (ESMs). Here, we compare terrestrial BNF from an ensemble of ESMs of the 6th Coupled Model Intercomparison Project to a new...
Authors
Sian Kou-Giesbrecht, Carla R. Reis Ely, Steven S. Perakis, Cory C. Cleveland, Duncan N.L. Menge, Sasha C. Reed, Benton N. Taylor, Sarah A. Batterman, Timothy E. Crews, Katherine A. Dynarski, Maga G. Gei, Michael J. Gundale, David F. Herridge, Sarah E. Jovan, Mark B. Peoples, Johannes Piipponen, Emilio Rodríguez-Caballero, Verity G. Salmon, Fiona M. Soper, Anika P. Staccone, Bettina Weber, Christopher A. Williams, Nina Wurzburger
Predator effects on the survival of juvenile invasive carp in simulated backwater habitats Predator effects on the survival of juvenile invasive carp in simulated backwater habitats
Numerous control methods are in use and under development to manage invasive carps in the United States. Commercial harvest, electric deterrents, and chemical toxicants, among other methods, are most efficient at targeting larger individuals. Research on methods to control recruitment of juvenile invasive carps has been limited. Our primary objective was to assess the vulnerability of...
Authors
Courtney Lynn Broaddus, Cari-Ann Hayer, Curtis G. Byrd, Patrick Kroboth, Duane Chapman
Groundwater structures fish growth and production across a riverscape Groundwater structures fish growth and production across a riverscape
Landscapes are composed of habitat patches and conditions that vary across space and time. While habitat variability and complexity can support important ecological processes and ecosystem services, the dynamic nature of habitats can also constrain organismal growth and production as optimal conditions are fleeting. In riverine ecosystems, groundwater discharge to streams stabilises...
Authors
Jeffrey R. Baldock, Robert Al-Chokhachy, Annika W. Walters