A comprehensive assessment of mangrove species and carbon stock on Pohnpei, Micronesia
Victoria Woltz, Elitsa I. Peneva-Reed, Zhiliang Zhu, Eric L. Bullock, Richard A. MacKenzie, Maybeleen Apwong, Ken Krauss, Dean B. Gesch
Sotirios Koukoulas, editor(s)
2022, PLoS ONE (17)
Mangrove forests are the most important ecosystems on Pohnpei Island, Federated States of Micronesia, as the island communities of the central Pacific rely on the forests for many essential services including protection from sea-level rise that is occurring at a greater pace than the global average. As part of a...
Freshwater unionid mussels threatened by predation of Round Goby (Neogobius melanostomus)
Kyle Clark, Deborah D. Iwanowicz, Luke R. Iwanowicz, Sara Mueller, Joshua Wisor, Casey Bradshaw-Wilson, W. Bane Schill, Jay R. Stauffer Jr., Elizabeth W. Boyer
2022, Scientific Reports (12)
Indigenous freshwater mussels (Unionidae) are integral to riverine ecosystems, playing a pivotal role in aquatic food webs and providing ecological services. With populations on the decline worldwide, freshwater mussels are of conservation concern. In this study, we explore the propensity of the invasive Round Goby (Neogobius melanostomus) fish to prey upon indigenous...
Flexible multimethod approach for seismic site characterization
William J. Stephenson, Alan Yong, Antony Martin
2022, Journal of Seismology (26) 687-711
We describe the flexible multimethod seismic site characterization technique for obtaining shear-wave velocity (VS) profiles and derivative information, such as the time-averaged VS of the upper 30 m (VS30). Simply stated, the multimethod approach relies on the application of multiple independent noninvasive site characterization acquisition and analysis techniques utilized in a flexible field-based...
Plague circulation in small mammals elevates extinction risk for the endangered Peñasco least chipmunk
Amanda R. Goldberg, David A. Eads, Dean E. Biggins
2022, Global Ecology and Conservation (38)
Wildlife diseases are a major concern for species survival around the world. Vector-borne diseases, in particular, are problematic for both humans and wildlife. Plague is an introduced disease to North America where many species have low natural resistance to infection by the causative bacterium, Yersinia pestis. Plague in the United...
Reestablishing a foundational species: limitations on post-wildfire sagebrush seedling establishment
Robert Arkle, David Pilliod, Matthew Germino, Michelle Jeffries, Justin L. Welty
2022, Ecosphere (13)
Improving post-wildfire restoration of foundational plant species is crucial for conserving imperiled ecosystems. We sought to better understand the initial establishment of sagebrush (Artemisia sp.), a foundational shrubland species over a vast area of western North America, in the first 1–2 years post-wildfire, a critical time period for population recovery. Field data...
Sediment and nutrient retention on a reconnected floodplain of an Upper Mississippi River tributary, 2013–2018
Lynn A. Bartsch, Rebecca M. Kreiling, Lance R. Gruhn, Jessica D. Garrett, William B. Richardson, Greg M. Nalley
2022, Scientific Investigations Report 2022-5030
The connection of rivers with their floodplains has been greatly reduced in agricultural drainage basins, especially in the Upper Mississippi River Basin. The restriction of the Mississippi River from its floodplain has reduced the sediment trapping and nutrient deposition capabilities of the floodplain, exacerbating water quality problems in the river...
Outgassing through magmatic fractures enables effusive eruption of silicic magma
Joshua Allen Crozier, Samantha Tramontano, Pablo Forte, Sarah Oliva, Helge M. Gonnermann, Einat Lev, Michael Manga, Madison Myers, Erika Rader, Philipp Ruprecht, Hugh Tuffen, Rebecca Paisley, Bruce F. Houghton, Tom Shea, Ian Schipper, Jonathan Castro
2022, Journal of Volcanology and Geothermal Research (430)
Several mechanisms have been proposed to allow highly viscous silicic magma to outgas efficiently enough to erupt effusively. There is increasing evidence that challenges the classic foam-collapse model in which gas escapes through permeable bubble networks, and instead suggests that magmatic fracturing and/or accompanying localized fragmentation...
Beyond the teleseism: Introducing regional seismic and geodetic data into routine USGS finite‐fault modeling
Dara Elyse Goldberg, Pablo Koch, Diego Melgar, Sebastian Riquelme, William L. Yeck
2022, Seismological Research Letters (93) 3308-3323
The U.S. Geological Survey (USGS) National Earthquake Information Center (NEIC) routinely produces finite‐fault models following significant earthquakes. These models are spatiotemporal estimates of coseismic slip critical to constraining downstream response products such as ShakeMap ground motion estimates, Prompt Assessment of Global Earthquake for Response loss estimates, and ground failure assessments....
Reimagine fire science for the anthropocene
Jacquelyn K. Shuman, Jennifer K. Balch, Rebecca T. Barnes, Philip E. Higuera, Christopher I. Roos, Dylan W. Schwilk, E. Natasha Stavros, Tirtha Banerjee, Megan Bela, Jacob Bendix, Sandro Bertolino, Solomon Bililign, Kevin D. Bladon, Paulo Brando, Robert E. Breidenthal, Brian Buma, Donna Calhoun, Leila M. V. Carvalho, Megan Cattau, Kaelin M Cawley, Sudeep Chandra, Melissa L. Chipman, Jeanette Cobian, Erin Conlisk, Jonathan Coop, Alison Cullen, Kimberley T Davis, Archana Dayalu, Megan Dolman, Lisa M. Ellsworth, Scott Franklin, Chris Guiterman, Matthew Hamilton, Erin J. Hanan, Winslow D. Hansen, Stijn Hantson, Brian J Harvey, Andrés Holz, Matt Hurteau, Nayani T Ilangakoon, Megan Jennings, Charles Jones, Anna Klimaszewski-Patterson, Leda N. Kobziar, John Kominoski, Branko Kosovic, Meg A. Krawchuk, Paul Laris, Jackson Leonard, S. Marcela Loria- Salazar, Melissa Lucash, Hussam Mahmoud, Ellis Margolis, Toby Maxwell, Jessica McCarty, David B McWethy, Rachel Meyer, Jessica R. Miesel, W. Keith Moser, R. Chelsea Nagy, Dev Niyogi, Hannah M. Palmer, Adam Pellegrini, Benjamin Poulter, Kevin Robertson, Adrian Rocha, Mojtaba Sadegh, Fernando De Sales, Fernanda Santos, Facundo Scordo, Joseph O. Sexton, A Surjalal Sharma, Alistair M. S. Smith, Amber Soja, Christopher Still, Tyson Swetnam, Alexandra D. Syphard, Morgan W. Tingey, Ali Tohidi, Anna Trugman, Merritt Turetsky, J. Morgan Varner, Yuhang Wang, Thea Whitman, Stephanie Yelenik, Xu Zhang
2022, PNAS Nexus (1)
Fire is an integral component of ecosystems globally and a tool that humans have harnessed for millennia. Altered fire regimes are a fundamental cause and consequence of global change, impacting people and the biophysical systems on which they depend. As part of the newly emerging Anthropocene, marked by human-caused...
Groundwater resources of the Harney Basin, southeastern Oregon
Stephen B. Gingerich, C. Amanda Garcia, Henry M. Johnson
2022, Fact Sheet 2022-3052
In response to increasing groundwater demand and declining groundwater levels in the Harney Basin of southeastern Oregon, the U.S. Geological Survey and the Oregon Water Resources Department conducted a cooperative groundwater-availability study during 2016–22. This Fact Sheet summarizes the results of this study. Full details of the study are provided...
Morbidity and mortality of Hawaiin geese (Branta sandvicensis) and Laysan albatross (Phoebastria immutabilis) associated with reticuloendotheliosis virus
Thierry M. Work, Renee Breeden, Julie Dagenais, Robert Rameyer, Holly Sellers, Hon S. Ip, James W. Casey
2022, Journal of Wildlife Diseases (58) 756-768
Only one virus, Avipox, has been documented previously in wild birds in Hawaii. Using immunohistochemistry and PCR, we found that two native threatened Hawaiian Geese (Branta sandvicensis), one with multicentric histiocytoma and the other with toxoplasmosis, and one Laysan Albatross (Phoebastria immutabilis) with avian...
Evaluating hydrologic region assignment techniques for ungaged basins in Alaska, USA
Theodore B. Barnhart, William H. Farmer, John C. Hammond, Graham A. Sexstone, Janet H. Curran, Joshua C. Koch, Jessica M. Driscoll
2022, River Research and Applications (38) 1569-1584
Building continental-scale hydrologic models in data-sparse regions requires an understanding of spatial variation in hydrologic processes. Extending these models to ungaged locations requires techniques to group ungaged locations with gaged ones to make process importance and model parameter transfer decisions to ungaged locations. This analysis (1) tested...
Evidence gaps and diversity among potential win–win solutions for conservation and human infectious disease control
Skylar R. Hopkins, Kevin D. Lafferty, Chelsea L. Wood, Sarah H Olson, Julia C Buck, Giulio A. De Leo, Kathryn Fiorella, Johanna Fornberg, Andres Garchitorena, Isabel J. Jones, Armand Kuris, Laura H Kwong, Christopher LeBoa, Ariel Elizabeth Leon, Andrea Lund, Andrew J MacDonald, Daniel Metz, Nicole Nova, Alison J. Peel, Justin V. Remais, Tara E. Stewart Merrill, Maya Wilson, Matthew Bonds, Andrew Dobson, David Lopez-Carr, Meghan Howard, Lisa Mandle, Susanne H. Sokolow
2022, The Lancet Planetary Health (6) e694-e705
As sustainable development practitioners have worked to “ensure healthy lives and promote well-being for all” and “conserve life on land and below water”, what progress has been made with win–win interventions that reduce human infectious disease burdens while advancing conservation goals? Using...
Longitudinal water-temperature profiles in Mill Creek, Mason County, Washington
Andrew S. Gendaszek, Richard W. Sheibley, Erica Marbet, Joe Puhn, Catherine Seguin
2022, Scientific Investigations Report 2022-5063
In streams supporting Pacific salmon (Oncorhynchus spp.) within the southern Puget Lowland, high water temperatures during late summer are a primary water-quality concern. The metabolic rates of fish and other ectothermic (in other words, cold-blooded) species are regulated by water temperature; salmon and other cold-water fish have specific thermal...
Element concentrations and grain size of sediment from the Similkameen River above Enloe Dam (Enloe Reservoir) near Oroville, Washington, 2019
Stephen E. Cox, Christopher A. Curran, Andrew R. Spanjer, Chad C. Opatz, Renee K. Takesue, J. Lynn Bell
2022, Scientific Investigations Report 2022-5073
In 2019, the U.S. Geological Survey conducted a reconnaissance survey of concentrations of 41 trace elements present in bed sediment in the reservoir on the Similkameen River upstream from Enloe Dam, near Oroville, Washington. The Similkameen River drains a watershed containing highly mineralized geologic deposits with current (2019) and...
Documenting the multiple facets of a subsiding landscape from coastal cities and wetlands to the continental shelf
James G. Flocks, Eileen McGraw, John Barras, Julie Bernier, Mike Bradley, Devin L. Galloway, James Landmeyer, W. Scott McBride, Christopher Smith, Kathryn Smith, Christopher Swarzenski, Lauren Toth
2022, Open-File Report 2022-1064
Land subsidence is a settling, sinking, or collapse of the land surface. In the southeastern United States, subsidence is frequently observed as sinkhole collapse in karst environments, wetland degradation and loss in coastal and other low-lying areas, and inundation of coastal urban communities. Human activities such as fluid extraction, mining,...
Management of diseases in free-ranging wildlife populations
Mark L. Drew, Jonathan M. Sleeman
Eric Miller, Nadine Lamberski, Paul Calle, editor(s)
2022, Book chapter, Fowler's zoo and wild animal medicine current therapy, volume 10
Diseases are increasingly threatening the conservation of wildlife species. Spillover of pathogens into humans and domestic animals may negatively impact public health and the economy, requiring increased proactive management actions. The North American Wildlife Management Model provides the philosophical basis for managing wildlife and underpins all management options....
Future directions to manage wildlife health in a changing climate
Erik K. Hofmeister, Emily Cornelius Ruhs, Lucas Fortini, M. Camille Hopkins, Lee C. Jones, Kevin D. Lafferty, Jonathan M. Sleeman, Olivia E. LeDee
2022, EcoHealth (19) 329-334
In September 2019 The Economist wrote an obituary to Okjökull, a glacier in western Iceland that was declared “dead” in 2014, a victim of climate change. Although a few wildlife species have already incurred such a fate (e.g., the Bramble Cay melomys [Melomys rubicola]) (Fulton 2017), many more are on the path to...
Predation thresholds for reintroduction of native avifauna following suppression of invasive brown treesnakes on Guam
Robert McElderry, Eben H. Paxton, Andre Van Nguyen, Shane R. Siers
2022, Ecological Applications (32)
The brown treesnake (BTS) (Boiga irregularis) invasion on Guåhan (in English, Guam) led to the extirpation of nearly all native forest birds. In recent years, methods have been developed to reduce BTS abundance on a landscape scale. To help assess the prospects for the successful reintroduction of native birds to...
Reproducibility and variability of earthquake subsidence estimates from saltmarshes of a Cascadia estuary
Jason Scott Padgett, Simon E. Engelhart, Harvey M. Kelsey, Robert C. Witter, Niamh Cahill
2022, Journal of Quaternary Science (37) 1294-1312
We examine fossil foraminiferal assemblages from 20 sediment cores to assess sudden relative sea-level (RSL) changes across three mud-over-peat contacts at three salt marshes in northern Humboldt Bay, California (~44.8°N, -124.2°W). We use a validated foraminiferal-based Bayesian transfer function to evaluate the variability of subsidence stratigraphy at a range of...
Hydrological and lock operation conditions associated with paddlefish and bigheaded carp dam passage on a large and small scale in the Upper Mississippi River (Pools 14–18)
Dominique D. Turney, Andrea K. Fritts, Brent C. Knights, Jonathan M. Vallazza, Douglas Appel, James T. Lamar
2022, PeerJ (10)
Movement and dispersal of migratory fish species is an important life-history characteristics that can be impeded by navigation dams. Although habitat fragmentation may be detrimental to native fish species, it might act as an effective and economical barrier for controlling the spread of invasive species in riverine systems. Various technologies...
Sclerochronological records of environmental variability and bivalve growth in the Pacific Arctic
David J. Reynolds, Vanessa R. von Biela, Kenneth H. Dunton, David C. Douglas, Bryan A. Black
2022, Progress in Oceanography (206)
The Pacific Arctic region has experienced, and is projected to continue experiencing, rapid climate change. Large uncertainties exist in our understanding of the impact these physical changes have on the region’s ecology. This is, in part, due to the lack of long-term...
The 2018 eruption of Mount Veniaminof, Alaska
Christopher F. Waythomas, Hannah R. Dietterich, Gabrielle Tepp, Taryn M. Lopez, Matthew W. Loewen
2022, Scientific Investigations Report 2022-5075
The 2018 eruption of Mount Veniaminof occurred from September 3–4 to December 27, lasting about 114 days. This report summarizes the types of volcanic unrest that accompanied the eruption and provides a chronology of events and observations. Information about the 2018 eruption was derived from geophysical instrumentation on or near...
Physics-guided graph meta learning for predicting water temperature and streamflow in stream networks
Shengyu Chen, Jacob Aaron Zwart, Xiaowei Jia
2022, Conference Paper, Proceedings of the 28th ACM SIGKDD conference on knowledge discovery and data mining
This paper proposes a graph-based meta learning approach to separately predict water quantity and quality variables for river segments in stream networks. Given the heterogeneous water dynamic patterns in large-scale basins, we introduce an additional meta-learning condition based on physical characteristics of stream segments, which allows learning different sets of...
Floodplains and climate change
Annika Keeley, Shruti Khanna, Nicole Kwan, Bryan G. Matthias, Catarina Pien, Marissa L. Wulff
Samuel M. Bashevkin, Larry R. Brown, Eva Bush, Gonzalo Castillo, Denise Colombano, Rosemary Hartman, Bruce Herbold, Shruti Khanna, Annika Keeley, Nicole Kwan, Peggy W. Lehman, Brian Mahardja, Timothy D. Malinich, Ryan McKenzie, Bryan G. Matthias, Catarina Pien, Marissa L. Wulff, editor(s)
2022, IEP Technical Report 99-4
Floodplains are landscape features that are periodically inundated by water from adjacent rivers (Opperman et al. 2010). Ecologically, functional floodplains are characterized by three primary elements: connectivity, flow regime, and spatial scale. Water quantity flowing over floodplains can vary greatly. Based on a flood’s effects on the floodplain, three flood...
