Sub-indicator: Cladophora
David Depew, Harvey A. Bootsma, Todd Howell, Megan McCusker, Mary Anne Evans
2022, Report, State of the Great Lakes 2022 technical report
Every three years the Great Lakes Executive Committee reports on the status of the Great Lakes' ecosystem based on 9 indicators and several sub-indicators. This sub-indicator technical report supports assessment of the Nutrients and Algae Indicator by evaluating the status of Cladophora and other benthic algae that can grow...
Key observations of flexed-leg urination in the free-ranging Gray Wolf (Canis lupus)
L. David Mech, Rick McIntyre
2022, Canadian Field Naturalist (136) 10-12
Flexed-leg urination (FLU) in female Gray Wolves (Canis lupus) has been little studied in the wild. Captive females in packs do not exhibit FLU unless they are both mature and dominant to an associate female, but these characteristics have not been confirmed in free-ranging wolves. We present observations of...
Spatiotemporal changes in influenza A virus prevalence among wild waterfowl inhabiting the continental United States throughout the annual cycle
Cody M. Kent, Andrew M. Ramey, Josh T. Ackerman, Justin Bahl, Sarah N. Bevins, Andrew S. Bowman, Walter Boyce, Carol Cardona, Michael L. Casazza, Troy D. Cline, Susan E.W. De La Cruz, Jeffrey S. Hall, Nichola J. Hill, Hon S. Ip, Scott Krauss, Jennifer M. Mullinax, Jacqueline M. Nolting, Magdalena Plancarte, Rebecca L. Poulson, Jonathan A. Runstadler, Richard D. Slemons, David E. Stallknecht, Jeffery D. Sullivan, John Y. Takekawa, Richard J. Webby, Robert G. Webster, Diann J. Prosser
2022, Scientific Reports (12)
Avian influenza viruses can pose serious risks to agricultural production, human health, and wildlife. An understanding of viruses in wild reservoir species across time and space is important to informing surveillance programs, risk models, and potential population impacts for vulnerable species. Although it is recognized that...
Interspecific and local variation in Tern chick diets across nesting colonies in the Gulf of Maine
Keenan Yakola, Adrian Jordaan, Stephen Kress, Paula Shannon, Michelle Staudinger
2022, Waterbirds (44) 397-414
The Gulf of Maine, USA is home to four colonial co-nesting tern species: Least Tern (Sternula antillarum), Common Tern (Sterna hirundo), Arctic Tern (Sterna paradisaea), and the federally endangered Roseate Tern (Sterna dougallii). Over three decades of visual observations of chick provisioning were compiled for...
Nutrient restoration of a large, impounded, ultra-oligotrophic western river to recover declining native fishes
Ryan S. Hardy, Tyler J. Ross, Kevin McDonnell, Michael Quist, Charlie Holderman, Bryan S. Stevens
2022, North American Journal of Fisheries Management (42) 977-993
Declines in many fish populations in large, western rivers have been primarily attributed to the anthropogenic reduction of nutrient inputs and subsequent impacts to the food web. The largest known river fertilization program was implemented starting in 2005 on the Kootenai River in northern Idaho...
Constraints on the adjustment of tidal marshes to accelerating sea level rise
Neil Saintilan, Katya E. Kovalenko, Glenn R. Guntenspergen, Kerrylee Rogers, James C. Lynch, Donald Cahoon, Catherine E. Lovelock, Daniel A. Friess, Erica Ashe, Ken Krauss, Nicole Cormier, Tom Spencer, Janine Adams, Jacqueline Raw, Carles Ibanez, Francesco Scarton, Stijn Temmerman, Patrick Meire, Tom Maris, Karen M. Thorne, John Brazner, Gail L. Chmura, Tony Bowron, Vishmie Palepitiya Gamage, Kimberly Cressman, Charlie Endris, Christina Marconi, Pamela Marcum, Kari St. Laurent, William G. Reay, Kenneth B. Raposa, Jason A. Garwood, Nicole Kahn
2022, Science (377) 523-527
Much uncertainty exists about the vulnerability of valuable tidal marsh ecosystems to relative sea level rise. Previous assessments of resilience to sea level rise, to which marshes can adjust by sediment accretion and elevation gain, revealed contrasting results, depending on contemporary or Holocene geological data. By analyzing globally distributed contemporary...
Real-time earthquake detection and alerting behavior of PLUM ground-motion-based early warning in the United States
Jessie Kate Saunders, Sarah E. Minson, Annemarie S. Baltay Sundstrom, Julian J Bunn, Elizabeth S. Cochran, Deborah L. Kilb, Colin T O’Rourke, Mitsuyuki Hoshiba, Yuki Kodera
2022, Bulletin of the Seismological Society of America (112) 2668-2688
We examine the real‐time earthquake detection and alerting behavior of the Propagation of Local Undamped Motion (PLUM) earthquake early warning (EEW) algorithm and compare PLUM’s performance with the real‐time performance of the current source‐characterization‐based ShakeAlert System. In the United States (U.S.), PLUM uses a two‐station approach to detect earthquakes. Once...
Proceedings of the Highly Pathogenic Avian Influenza and Wild Birds Webinar Series, August 2–5, 2021
M. Camille Hopkins, J. Russ Mason, Giavanna Haddock, Andrew M. Ramey
2022, Open-File Report 2022-1066
In light of ongoing and geographically widespread highly pathogenic avian influenza (HPAI) outbreaks in wild birds throughout much of Eurasia during 2020–21, the Interagency Steering Committee for Avian Influenza Surveillance in Wild Migratory Birds disseminated an informational memorandum in January 2021 to highlight the need for enhanced surveillance and heightened...
Fifty years of Landsat science and impacts
Michael A. Wulder, David P. Roy, Volker C. Radeloff, Thomas Loveland, Martha C. Anderson, David M. Johnson, Sean Healey, Zhe Zhu, Theodore A. Scambos, Nima Pahlevan, Matthew Hansen, Noel Gorelick, Christopher J. Crawford, Jeffery G. Masek, Txomin Hermosilla, JoAnn C. White, Alan S. Belward, Crystal Schaaf, Curtis E. Woodcock, Justin L. Huntington, Leo Lymburner, Patrick Hostert, Feng Gao, Alexi Lyapustin, Jean-Francois Pekel, Peter Strobl, Eric Vermote, Bruce D. Cook
2022, Remote Sensing of Environment (280)
Since 1972, the Landsat program has been continually monitoring the Earth, to now provide 50 years of digital, multispectral, medium spatial resolution observations. Over this time, Landsat data were crucial for many scientific and technical advances. Prior to the Landsat program, detailed, synoptic depictions of the Earth's surface were rare, and the ability to acquire...
Comparisons of the NGA-Subduction ground motion models
Nick Gregor, Kofi O. Addo, Norman A. Abrahamson, Linda Al Atik, Gail M. Atkinson, David Boore, Yousef Bozorgnia, Kenneth W. Campbell, Brian S.-J. Chiou, Zeynep Gulerce, Behzad Hassani, Tadahiro Kishida, Nicolas Kuehn, Silvia Mazzoni, Saburoh Midorikawa, Grace Alexandra Parker, Hongjun Si, Jonathan P. Stewart, Robert R. Youngs
2022, Earthquake Spectra (38) 2580-2610
In this article, ground-motion models (GMMs) for subduction earthquakes recently developed as part of the Next Generation Attenuation-Subduction (NGA-Sub) project are compared. The four models presented in this comparison study are documented in their respective articles submitted along with this article. Each of these four models is...
Island of misfit tortoises: Waif gopher tortoise health assessment following translocation
Rebecca K. McKee, Kurt. A. Buhlmann, Clinton T. Moore, Matthew C. Allender, Nicole I. Stacy, Tracey D. Tuberville
2022, Conservation Physiology (10)
Translocation, the intentional movement of animals from one location to another, is a common management practice for the gopher tortoise (Gopherus polyphemus). Although the inadvertent spread of pathogens is a concern with any translocation effort, waif tortoises—individuals that have been collected illegally, injured and rehabilitated or have unknown origins—are...
Field-trip guide to continental arc to rift volcanism of the southern Rocky Mountains—Southern Rocky Mountain, Taos Plateau, and Jemez Mountains volcanic fields of southern Colorado and northern New Mexico
Ren A. Thompson, Kenzie J. Turner, Peter W. Lipman, John A. Wolff, Michael A. Dungan
2022, Scientific Investigations Report 2017-5022-R
The southern Rocky Mountains of northern New Mexico and southern Colorado preserve the Oligocene to Pleistocene record of North American continental arc to rift volcanism. The 35–23 million year old (Ma) southern Rocky Mountain volcanic field (SRMVF), spectacularly preserved in the San Juan Mountains of southern Colorado, records the evolution...
Groundwater-level monitoring from January 17 to March 3, 2022, Hālawa area, O‘ahu, Hawai‘i
Rylen K. Nakama, Jackson N. Mitchell, Delwyn S. Oki
2022, Open-File Report 2022-1069
A reported fuel release in November 2021 at the Red Hill Bulk Fuel Storage Facility within the naval reservation at Red Hill led to the shutdown of several production wells in the Hālawa area, O‘ahu, Hawai‘i. Red Hill Shaft—one of the high-capacity production wells that shut down—was reactivated on January...
Effects of warming winter embryo incubation temperatures on larval cisco (Coregonus artedi) survival, growth, and critical thermal maximum
Taylor R. Stewart, Mark Vinson, Jason D. Stockwell
2022, Journal of Great Lakes Research (48) 1042-1049
Freshwater whitefishes, Salmonidae Coregoninae, are cold stenothermic fishes of ecological and socio-economic importance in northern hemisphere lakes that are warming in response to climate change. To address the effect of warming waters on coregonine reproduction we experimentally evaluated different embryo incubation temperatures on post-hatching survival, growth, and critical thermal maximum...
The new lava dome growth of Nevado del Ruiz (2015–2021)
Milton Ordonez, Carlos La Verde, Maurizio Battaglia
2022, Journal of Vulcanological and Geothermal Research (430)
The morphology of the summit of Nevado del Ruiz volcano (Colombia) and its active Arenas crater is the product of complex interactions between effusive and explosive eruptions, and the dynamics of the summit glacier. Here, we document the morphologic evolution of the summit of...
Implications of habitat-driven survival and dispersal on recruitment in a spatially structured piping plover population
Rose J. Swift, Michael J. Anteau, Kristen S. Ellis, Megan M. Ring, Mark H. Sherfy, Dustin L. Toy, David N. Koons
2022, Ecosphere (13)
Natal survival and dispersal have important consequences for populations through the movement of genes and individuals. Metapopulation theory predicts either balanced natal dispersal among regions or source–sink dynamics, which can dramatically change population structure. For species reliant on dynamic, early-successional habitats, availability and location of habitat...
Comparison of structures used to estimate age and growth of Yellowstone Cutthroat Trout
Michael Quist, Darcy K. McCarrick, Lynsey Harris
2022, Journal of Fish and Wildlife Management (13) 544-551
Understanding age and growth of fishes is critical for making meaningful management decisions. Obtaining useful information is dependent on using the best structure (e.g., scale, otolith). The objective of this study was to evaluate precision and reader confidence in age estimates from sagittal...
Groundwater quality in selected Stream Valley aquifers, eastern United States
James A. Kingsbury
2022, Fact Sheet 2022-3037
Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The stream-valley aquifers constitute one of the important...
Temporal and spatial relationships of Yellowfin Tuna to deepwater petroleum platforms in the northern Gulf of Mexico
Melissa E. Price, Michael T. Randall, Kenneth J. Sulak, Randy E. Edwards, Margaret Lamont
2022, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science (14)
In 2006–2007, 110 Yellowfin Tuna Thunnus albacares were tagged with acoustic transmitters near deepwater oil platforms and one drillship in the northern Gulf of Mexico off the Mississippi River delta to determine the extent to which platforms act as fish aggregating devices (FADs). Vemco acoustic receivers were installed on six deepwater platforms...
Community established best practice recommendations for tephra studies— From collection through analysis
Kristi L. Wallace, Marcus Bursik, Stephen Kuehn, Andrei Kurbatov, Peter Abbot, Contanza Bonadonna, Katharine Cashman, Siwan Davies, Britta J.L. Jensen, Christine Lane, Gill Plunkett, Victoria Smith, Emma Tomlinson, Thor Thordarsson, J. Douglas Walker
2022, Scientific Data (9)
Tephra is a unique volcanic product with an unparalleled role in understanding past eruptions, long-term behavior of volcanoes, and the effects of volcanism on climate and the environment. Tephra deposits also provide spatially widespread, high-resolution time-stratigraphic markers across a range of sedimentary settings and thus are used in numerous disciplines (e.g.,...
Invasive brown treesnakes (Boiga irregularis) move short distances and have small activity areas in a high prey environment
Scott M. Boback, Melia Gail Nafus, Amy A. Yackel Adams, Robert Reed
2022, Scientific Reports (12)
Animal movements reflect temporal and spatial availability of resources as well as when, where, and how individuals access such resources. To test these relationships for a predatory reptile, we quantified the effects of prey abundance on the spatial ecology of invasive brown treesnakes (Boiga irregularis) on Guam. Five months after...
Geological reservoir characterization of a gas hydrate prospect associated with the Hydrate-01 Stratigraphic Test Well, Alaska North Slope
Machiko Tamaki, Akira Fujimoto, Ray Boswell, Timothy Collett
2022, Journal of Energy and Fuels (36) 8128-8149
Geological reservoir characterization is essential for accurate evaluation of gas production performance from gas hydrate reservoirs. Particularly, the understanding of reservoir architecture and heterogeneity is of great importance since these are considered as major controls on fluid hydrodynamic and thermodynamic conditions....
Broad Whitefish (Coregonus nasus) isotopic niches: Stable isotopes reveal diverse foraging strategies and habitat use in Arctic Alaska
Jason C. Leppi, Daniel J. Rinella, Mark S. Wipfli, Matthew S. Whitman
2022, PLoS ONE (17)
Understanding the ecological niche of some fishes is complicated by their frequent use of a broad range of food resources and habitats across space and time. Little is known about Broad Whitefish (Coregonus nasus) ecological niches in Arctic landscapes even though they are an important subsistence...
Crustal permeability changes observed from seismic attenuation: Impacts on multi-mainshock sequences
Luca Malagnini, Thomas E. Parsons, Irene Munafo, Simone Mancini, Margarita Segou, Eric L. Geist
2022, Frontiers in Earth Science (10)
We use amplitude ratios from narrowband-filtered earthquake seismograms to measure variations of seismic attenuation over time, providing unique insights into the dynamic state of stress in the Earth’s crust at depth. Our dataset from earthquakes of the 2016-2017 Central Apennines sequence allows us to obtain high-resolution time histories of seismic...
Water-quality trends in surface waters of the Jemez River and Middle Rio Grande Basin from Cochiti to Albuquerque, New Mexico, 2004–19
Allison K. Flickinger, Zachary M. Shephard
2022, Scientific Investigations Report 2022-5062
Municipal water supply for Albuquerque, New Mexico, is provided, in part, through diversion of surface water from the Rio Grande by way of the San Juan-Chama Drinking Water Project diversion structure. Changes in surface-water quality along the Rio Grande and its tributaries upstream from the San Juan-Chama Drinking Water Project...
