Bioavailability of dissolved organic matter varies with anthropogenic landcover in the Upper Mississippi River Basin
Derrick R. Vaughn, Anne M. Kellerman, Kimberly Wickland, Robert G. Striegl, David C. Podgorski, Jon R. Hawkings, Jaap H. Nienhuis, Mark M. Dornblaser, Edward G. Stets, Robert G.M. Spencer
2023, Water Research (229)
Anthropogenic conversion of forests and wetlands to agricultural and urban landcovers impacts dissolved organic matter (DOM) within streams draining these catchments. Research on how landcover conversion impacts DOM molecular level composition and bioavailability, however, is lacking. In the Upper Mississippi River Basin (UMRB), water from...
Towards a unified drag coefficient formula for quantifying wave energy reduction by salt marshes
Ling Zhu, Q. Chen, Yan Ding, Navid H. Jafari, Hongqing Wang, Bradley D. Johnson
2023, Coastal Engineering (180)
Coastal regions are susceptible to increasing flood risks amid climate change. Coastal wetlands play an important role in mitigating coastal hazards. Vegetation exerts a drag force to the flow and dampens storm surges and wind waves. The prediction of wave attenuation by...
A 1.8 million year history of Amazon vegetation
Andrea K. Kern, Thomas K. Akabane, Jaqueline Q. Ferreira, Cristiano M. Chiessi, Debra A. Willard, Fabricio Ferreira, Allan O. Sanders, Cleverson G. Silva, Catherine Rigsby, Francisco W. Cruz, Gary S. Dwyer, Sherilyn C. Fritz, Paul A. Baker
2023, Quaternary Science Reviews (299)
During the Pleistocene, long-term trends in global climate were controlled by orbital cycles leading to high amplitude glacial-interglacial variability. The history of Amazonian vegetation during this period is largely unknown since no continuous record from the lowland basin extends significantly beyond the last glacial stage. Here we present a...
The Far-Field imprint of the late Paleozoic Ice Age, its demise, and the onset of a dust-house climate across the Eastern Shelf of the Midland Basin, Texas
Neil Patrick Griffis, Neil Tabor, Daniel Stockli, Lisa Stockli
2023, Gondwana Research (115) 17-36
The late Paleozoic is a period of pronounced climatic and tectonic change, characterized by the onset and disappearance of continental-scale glaciers across polar Gondwana, the formation of Pangea, and widespread large igneous province volcanism. The low-latitude equatorial tropics are assumed to be places of persistent...
Vegetative buffer strips show limited effectiveness for reducing antibiotic transport in surface runoff
Adam H. Moody, Robert N. Lerch, Keith W. Goyne, Stephen H. Anderson, David Mendoza-Cozatl, David A. Alvarez
2023, Journal of Environmental Quality (52) 137-148
Vegetative buffer strips (VBS) have been demonstrated to effectively reduce loads of sediment, nutrients, and herbicides in surface runoff, but their effectiveness for reducing veterinary antibiotic (VA) loads in runoff has not been well documented. The objective of this study was to determine the effectiveness of...
Hawaiian waterbird movement across a developed landscape
Eben H. Paxton, Kristina L. Paxton, Martha Kawasaki, P. Marcos Gorresen, Charles B. van Rees, Jared G. Underwood
2023, Journal of Wildlife Management (87)
A key component for biologists managing mobile species is understanding where and when a species occurs at different locations and scaling management to fit the spatial and temporal patterns of movement. We established an automated radio-telemetry tracking network to document multi-year movement in 2016–2018 of 3...
Vein-type gold formation during late extensional collapse of the Eastern Desert, Egypt: the Gidami deposit
Basem Zoheir, Ryan J. McAleer, Matthew Steele-MacInnis, Armin Zeh, Wyatt M. Bain, Spencer Poulette
2023, Mineralium Deposita (58) 681-706
Orogenic gold deposits, though construed to focused fluid flow during orogenesis, commonly post-date the main accretionary events. Several lines of evidence indicate that orogenic gold formation in the Arabian–Nubian Shield continued through the orogen collapse stage and associated rapid exhumation and thermal re-equilibration. The Gidami gold deposit in the Eastern...
Addressing detection uncertainty in Bombus affinis (Hymenoptera: Apidae) surveys can improve inferences made from monitoring
Clint Otto, Alma Schrage, Larissa L. Bailey, John Michael Mola, Tamara A. Smith, Ian Pearse, Stacy C. Simanonok, Ralph Grundel
2023, Environmental Entomology (52) 108-118
The U.S. Fish and Wildlife Service developed national guidelines to track species recovery of the endangered rusty patched bumble bee [Bombus affinis Cresson (Hymenoptera: Apidae)] and to investigate changes in species occupancy across space and time. As with other native bee monitoring efforts, managers have specifically acknowledged the need to address...
Density surface and excursion sets modeling as an approach to estimating population densities
Richard J. Camp, Chauncey K. Asing, Paul C. Banko, Lainie Berry, Kevin W. Brinck, Chris Farmer, Ayesha Genz
2023, Journal of Wildlife Management (87)
Effective species management and conservation require knowledge of species distribution and status. We used point-transect distance sampling surveys of the endangered palila (Loxioides bailleui), a honeycreeper currently found only on the Island of Hawai'i, USA, to generate robust estimates of total abundance and simultaneously model the distribution, abundance, and spatial...
Geophysical data provide three dimensional insights into porphyry copper systems in the Silverton caldera, Colorado, USA
Eric D. Anderson, Douglas Yager, Maria Deszcz-Pan, Bennett Eugene Hoogenboom, Brian D. Rodriguez, Bruce Smith
2023, Ore Geology Reviews (152)
The Silverton caldera in southwest Colorado, USA hosts polymetallic veins and pervasively altered rocks indicative of porphyry copper systems. Nearly a kilometer of erosion has exposed multiple levels of the hydrothermal systems from shallow lithocaps down to quartz-sericite-pyrite veins. New airborne electromagnetic and magnetic survey data are integrated with previous...
Impact of SARS-CoV-2 vaccination of children ages 5–11 years on COVID-19 disease burden and resilience to new variants in the United States, November 2021–March 2022: A multi-model study
Rebecca K. Borchering, Luke C Mullany, Emily Howerton, Matteo Chinazzi, Claire P. Smith, Michelle Qin, Nicholas G. Reich, Lucie Contamin, John Levander, J. Kerr, J. Espino, Harry Hochheiser, Kaitlin Lovett, Matt Kinsey, Kate Tallaksen, Shelby Wilson, Lauren Shin, Joseph Lemaitre, Juan Dent Hulse, Joshua Kaminsky, Elizabeth C. Lee, Alison Hill, Jessica Davis, Kunpeng Mu, Xinyue Xiong, Ana Pastore y Piontti, Alessandro Vespignani, Ajitesh Srivastava, Przemyslaw Porebski, Srini Venkatramanan, Aniruddha Adiga, Bryan Lewis, Brian Klahn, Joseph Outten, Benjamin Hurt, Jiangzhuo Chen, Henning Mortveit, Amanda Wilson, Madhav Marathe, Stefan Hoops, Parantapa Bhattacharya, Dustin Machi, Shi Chen, Rajib Paul, Daniel Janies, Jean-Claude Thill, Marta Galanti, Teresa Yamana, Sen Pei, Jeffrey L. Shaman, Guido Espana, Sean Cavany, Sean Moore, Alex Perkins, Jessica Healy, Rachel B. Slayton, Michael A Johansson, Matthew Biggerstaff, Katriona Shea, Shaun Truelove, Michael C. Runge, Cecile Viboud, Justin Lessler
2023, The Lancet Regional Health - Americas (17)
BackgroundThe COVID-19 Scenario Modeling Hub convened nine modeling teams to project the impact of expanding SARS-CoV-2 vaccination to children aged 5–11 years on COVID-19 burden and resilience against variant strains.MethodsTeams contributed state- and national-level weekly projections of cases,...
Automatic recorders monitor wolves at rendezvous sites: do wolves adjust howling to live near humans?
Vicente Palacios, Barbara Marti-Domken, Shannon Barber-Meyer, Bilal Habib, Jose Vicente Lopez-Bao, Douglas W. Smith, Daniel R. Stahler, Emilio Jose Garcia, Victor Sazatornil, L. David Mech
2023, Biodiversity and Conservation (23) 363-383
We used automatic sound recorders to study spontaneous vocalizations of wild wolves during the pup-rearing season around rendezvous sites from 24 wolf packs in six study areas across North America, Asia, and Europe. Between 2018 and 2021, for a total of 1225 pack-days, we recorded 605...
A near four-decade time series shows the Hawaiian Islands have been browning since the 1980s
Austin Madson, Monica Dimson, Lucas Fortini, Kapua Kawelo, Tamara Tickin, Matt Keir, Chunyu Dong, Zhimin Ma, David W Beilman, Kelly Kay, Jonathan Pando Ocon, Erica Gallerani, Stephanie Pau, Thomas W Gillespie
2023, Environmental Management (71) 965-980
The Hawaiian Islands have been identified as a global biodiversity hotspot. We examine the Normalized Difference Vegetation Index (NDVI) using Climate Data Records products (0.05 × 0.05°) to identify significant differences in NDVI between neutral El Niño-Southern Oscillation years (1984, 2019) and significant long-term changes over the entire...
Accounting for spatial heterogeneity in visual obstruction in line-transect distance sampling of gopher tortoises
Heather E. Gaya, Lora L. Smith, Clinton T. Moore
2023, Journal of Wildlife Management (87)
Line-transect distance sampling (LTDS) surveys are commonly used to estimate abundance of animals or objects. In terrestrial LTDS surveys of gopher tortoise (Gopherus polyphemus) burrows, the presence of ground-level vegetation substantially decreases detection of burrows of all sizes, but no field or analytical methods exist to control for spatially heterogeneous...
Animal tracing with sulfur isotopes: Spatial segregation and climate variability in Africa likely contribute to population trends of a migratory songbird
Vojtech Brlik, Petr Prochazka, Bengt Hansson, Craig A. Stricker, Elizabeth Yohannes, Rebecca L Powell, Michael B. Wunder
2023, Journal of Animal Ecology (92) 1320-1331
Climatic conditions affect animals but range-wide impacts at the population level remain largely unknown, especially in migratory species. However, studying climate–population relationships is still challenging in small migrants due to a lack of efficient and cost-effective geographic tracking method.Spatial distribution patterns of environmental stable isotopes (so called ‘isoscapes’) generally...
Rotenone induces mortality of invasive Lake Trout and Rainbow Trout embryos
Alex S. Poole, Todd M. Koel, Alexander V. Zale, Molly A. H. Webb
2023, Transactions of the American Fisheries Society (152) 3-14
ObjectiveNonnative fish, including Lake Trout Salvelinus namaycush and Rainbow Trout Oncorhynchus mykiss, are actively invading lakes and streams and threatening Cutthroat Trout O. clarkii and other native species in the western United States. Programs have been implemented to suppress invasive trout using netting, trapping, electrofishing, angling, or other traditional...
Species and physiographic factors drive Indian cucumber root and Canada mayflower plant chemistry: Implications for white-tailed deer forage quality
Nico Navarro, Duane R. Diefenbach, Marc E. McDill, Emily Just Domoto, Christopher S. Rosenberry, Patrick J. Drohan
2023, Journal of Environmental Management (326)
Nutrition is fundamental to white-tailed deer (Odocoileus virginianus) management given its relationship to habitat carrying capacity and population productivity. Ecological Sites (ESs) are a United States federal landscape management unit of specific land potential due to unique soils, topography, climate, parent material, and perhaps deer forage nutritional value. We present results of...
High‐precision characterization of seismicity from the 2022 Hunga Tonga‐Hunga Ha'apai volcanic eruption
Jonas A. Kintner, William L. Yeck, Paul S. Earle, Stephanie Prejean, Jeremy Pesicek
2023, Seismological Research Letters (94) 589-602
The earthquake swarm accompanying the January 2022 Hunga Tonga‐Hunga Ha'apai (HTHH) volcanic eruption includes a large number of posteruptive moderate‐magnitude seismic events and presents a unique opportunity to use remote monitoring methods to characterize and compare seismic activity with other historical caldera‐forming eruptions. We compute improved epicentroid locations, magnitudes, and...
Evaluations of Lagrangian egg drift models: From a laboratory flume to large channelized rivers
Geng Li, Caroline M. Elliott, Bruce Call, Duane Chapman, Robert B. Jacobson, Bin Wang
2023, Ecological Modelling (475)
To help better interpret computational models in predicting drift of carp eggs in rivers, we present a series of model assessments for the longitudinal egg dispersion. Two three-dimensional Lagrangian particle tracking models, SDrift and FluEgg, are evaluated in a series of channels with increasing complexity. The model evaluation demonstrates that...
A practical guide to understanding and validating complex models using data simulations
Graziella Vittoria DiRenzo, Ephraim Hanks, David A. W. Miller
2023, Methods in Ecology and Evolution (14) 203-217
Biologists routinely fit novel and complex statistical models to push the limits of our understanding. Examples include, but are not limited to, flexible Bayesian approaches (e.g. BUGS, stan), frequentist and likelihood-based approaches (e.g. packages lme4) and machine learning methods.These software and programs afford the user greater control and flexibility...
Spatial and temporal patterns in Arctic mosquito abundance
Melissa H DeSiervo, Rebecca A Finger-Higgens, Matthew P. Ayres, Ross A Virginia, Lauren E Culler
2023, Ecological Applications (48) 19-30
Organisms that undergo a shift in ontogeny and habitat type often change their spatial distribution throughout their life cycle, but how this affects population dynamics remains poorly understood.We examined spatial and temporal patterns in Aedes nigripes abundance, a widespread univoltine Arctic mosquito species (Diptera: Culicidae), hypothesizing that the spatial distribution of...
A review of supervised learning methods for classifying animal behavioural states from environmental features
Silas Bergen, Manuela Huso, Adam E. Duerr, Missy A Braham, Sara Schmuecker, Tricia A. Miller, Todd E. Katzner
2023, Methods in Ecology and Evolution (14) 189-202
Accurately predicting behavioural modes of animals in response to environmental features is important for ecology and conservation. Supervised learning (SL) methods are increasingly common in animal movement ecology for classifying behavioural modes. However, few examples exist of applying SL to classify polytomous animal behaviour from environmental...
Rupture scenarios for the 3 June 1770 Haiti earthquake
Susan E. Hough, Stacey S. Martin, Steeve Symithe, Richard W. Briggs
2023, Bulletin of the Seismological Society of America (113) 157-185
The 2010 M 7.0 Haiti earthquake provided the impetus to reconsider historical earthquakes in Hispaniola (Bakun et al., 2012). That earthquake also shed new light on complex fault systems along Haiti’s southern peninsula (Douilly et al., 2013; Saint Fleur et al., 2015). Recently, the 2021 M 7.2 Nippes earthquake...
Life-cycle model reveals sensitive life stages and evaluates recovery options for a dwindling Pacific salmon population
Neala W. Kendall, Julia R. Unrein, Carol Volk, David Beauchamp, Kurt L. Fresh, Thomas P. Quinn
2023, North American Journal of Fisheries Management (43) 203-230
Population models, using empirical survival rates estimates for different life stages, can help managers explore whether various management options could stabilize a declining population or restore it to former levels of abundance. Here we used two decades of...
An interactive viewer to improve operational aftershock forecasts
Gabrielle Madison Paris, Andrew J. Michael
2023, Seismological Research Letters (94) 473-484
The U.S. Geological Survey (USGS) issues forecasts for aftershocks about 20 minutes after most earthquakes above M 5 in the United States and its territories, and updates these forecasts 75 times during the first year. Most of the forecasts are issued automatically, but some forecasts require manual intervention to maintain accuracy. It...
