The capacity of freshwater ecosystems to recover from exceedances of aquatic life criteria
Christopher A. Mebane
2022, Environmental Toxicology and Chemistry (41) 2887-2910
In the United States, national chemical water quality criteria for the protection of aquatic life assume that aquatic ecosystems have sufficient resiliency to recover from criteria exceedences occurring up to once every 3 years. This resiliency assumption was critically reviewed through two approaches: 1) synthesis of case studies and 2)...
Variation in within-host replication kinetics among virus genotypes provides evidence of specialist and generalist infection strategies across three salmonid host species
David James Páez, Douglas G. McKenney, Maureen K. Purcell, Kerry A. Naish, Gael Kurath
2022, Virus Evolution (8)
Theory of the evolution of pathogen specialization suggests that a specialist pathogen gains high fitness in one host, but this comes with fitness loss in other hosts. By contrast, a generalist pathogen does not achieve high fitness in any host, but gains ecological fitness by exploiting different hosts, and...
The Water Recycling Revolution: Tapping into the future
John A. Izbicki
2022, Groundwater (60) 581-582
The Water Recycling Revolution discusses issues affecting acceptance of water reuse for public supply. The book is useful to water resource, regulatory, and public health professionals interested in the history of successful and unsuccessful attempts to conserve, recycle, and reuse treated municipal wastewater as a public resource. The book is...
Collateral damage: Anticoagulant rodenticides pose threats to California condors
Garth Herring, Collin A. Eagles-Smith, Rachel Wolstenholme, Alacia Welch, Chris West, Barnett A. Rattner
2022, Environmental Pollution (311)
Anticoagulant rodenticides (ARs) are widespread environmental contaminants that pose risks to scavenging birds because they routinely occur within their prey and can cause secondary poisoning. However, little is known about AR exposure in one of the rarest avian scavengers in the world, the California condor (Gymnogyps californianus). We assessed AR exposure in...
The effects of prolonged drought on vegetation dieback and megafires in southern California chaparral
Jon Keeley, Theresa J Brennan-Kane, Alexandra D. Syphard
2022, Ecosphere (13)
Drought contributed to extensive dieback of southern California chaparral, and normalized difference vegetation index before drought and near the end of the drought was used to estimate this dieback, after accounting for other disturbances recorded in aerial photographs. Within the perimeters of two megafires that occurred after the drought, the...
Seismometer records of ground tilt induced by debris flows
Michaela Wenner, Kate E. Allstadt, Weston Thelen, Andrew Lockhart, Jacob Hirschberg, Brian W. McArdell, Fabian Walter
2022, Bulletin of the Seismological Society of America (112) 2376-2395
A change in surface loading causes the Earth’s surface to deform. Mass movements, such as debris flows, can cause a tilt large enough to be recorded by nearby instruments, but the signal is strongly dependent on the mass loading and subsurface parameters. Specifically designed sensors for such measurements (tiltmeters) are...
Vote-processing rules for combining control recommendations from multiple models
William J.M. Probert, Sam Nicol, Matthew J. Ferrari, Shou-Li Li, Katriona Shea, Michael J. Tildesley, Michael C. Runge
2022, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences (380)
Mathematical modelling is used during disease outbreaks to compare control interventions. Using multiple models, the best method to combine model recommendations is unclear. Existing methods weight model projections, then rank control interventions using the combined projections, presuming model outputs are directly comparable. However, the way each model represents the epidemiological...
Vote-processing rules for combining control recommendations from multiple models
William JM Probert, Sam Nicol, Matthew J. Ferrari, Shou-Li Li, Katriona Shea, Michael J. Tildesley, Michael C. Runge
2022, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences (380)
Mathematical modelling is used during disease outbreaks to compare control interventions. Using multiple models, the best method to combine model recommendations is unclear. Existing methods weight model projections, then rank control interventions using the combined projections, presuming model outputs are directly comparable. However, the way each model represents the epidemiological...
Foraging habitat selection of shrubland bird community in tropical dry forest
A. Deshwall, S.L. Stephenson, P. Panwar, Brett Alexander DeGregorio, R. Kannan, J.D. Willson
2022, Ecology and Evolution (12)
Habitat loss due to increasing anthropogenic disturbance is the major driver for bird population declines across the globe. Within the Eastern Ghats of India, shrubland bird communities are threatened by shrinking of suitable habitats due to increased anthropogenic disturbance and climate change. The development of an effective habitat management strategy...
Quantifying large-scale surface change using SAR amplitude images: Crater morphology changes during the 2019-2020 Shishaldin Volcano eruption
Mario Angarita, Ronni Grapenthin, Simon Plank, Franz Meyer, Hannah R. Dietterich
2022, Journal of Geophysical Research - Solid Earth (127)
Morphological processes often induce meter-scale elevation changes. When a volcano erupts, tracking such processes provides insights into the style and evolution of eruptive activity and related hazards. Compared to optical remote-sensing products, synthetic aperture radar (SAR) observes surface change during inclement weather and at night. Differential SAR...
Using paleoecological data to inform decision making: A deep-time perspective
Harry J. Dowsett, Peter Jacobs, Kim de Mutsert
2022, Frontiers in Ecology and Evolution (10)
Latest climate models project conditions for the end of this century that are generally outside of the human experience. These future conditions affect the resilience and sustainability of ecosystems, alter biogeographic zones, and impact biodiversity. Deep-time records of paleoclimate provide insight into the climate system over millions of years and...
Growth and survival rates of dispersing free embryos and settled larvae of pallid sturgeon (Scaphirhynchus albus) in the Missouri River, Montana and North Dakota
Patrick Braaten, R.J. Holm, J. A. Powell, E.J. Heist, Amy C. Buhman, Colt Taylor Holley, Aaron J. DeLonay, T.M. Haddix, R.H. Wilson, R. B. Jacobson
2022, Environmental Biology of Fishes (105) 993-1014
We released nearly 1.0 million 1-day post-hatch (dph) and 5-dph pallid sturgeon (Scaphirhynchus albus) free embryos in the Missouri River on 1 July 2019 and sequentially captured survivors at multiple sites through a 240-km river reach to quantify daily growth and survival rates during the early life stages. Genetic analysis...
One shell of a problem: Cumulative threat analysis of male sea turtles indicates high anthropogenic threat for migratory individuals and Gulf of Mexico residents
Micah Ashford, James I. Watling, Kristen Hart
2022, Remote Sensing (14)
Human use of oceans has dramatically increased in the 21st century. Sea turtles are vulnerable to anthropogenic stressors in the marine environment because of lengthy migrations between foraging and breeding sites, often along coastal migration corridors. Little is known about how movement and threat interact specifically for...
Lacunarity as a tool for assessing landscape configuration over time and informing long-term monitoring: An example using seagrass
Nicholas Enwright, Kelly M. Darnell, Greg A. Carter
2022, Landscape Ecology (37) 2689-2705
ContextSeagrasses are submerged marine plants that have been declining globally at increasing rates. Natural resource managers rely on monitoring programs to detect and understand changes in these ecosystems. Technological advancements are allowing for the development of patch-level seagrass maps, which can be used to explore seagrass meadow spatial...
Assembling a safe and effective toolbox for integrated flea control and plague mitigation: Fipronil experiments with prairie dogs
David A. Eads, Travis Livieri, Tyler Tretten, John Hughes, Nick Kaczor, Emily Halsell, Shaun M. Grassel, Phillip Dobesh, Eddie Childers, David Lucas, Lauren Noble, Michele Vasquez, Anna Catherine Grady, Dean E. Biggins
Heike Lutermann, editor(s)
2022, PLoS ONE (17)
BackgroundPlague, a widely distributed zoonotic disease of mammalian hosts and flea vectors, poses a significant risk to ecosystems throughout much of Earth. Conservation biologists use insecticides for flea control and plague mitigation. Here, we evaluate the use of an insecticide grain bait, laced with 0.005% fipronil (FIP) by weight, with...
Cumulative effects of piscivorous colonial waterbirds on juvenile salmonids: A multi predator-prey species evaluation
Allen F. Evans, Quinn Payton, Nathan J. Hostetter, Ken Collis, Bradley M. Cramer, Daniel D. Roby
2022, PLoS ONE (17)
We investigated the cumulative effects of predation by piscivorous colonial waterbirds on the survival of multiple salmonid (Oncorhynchus spp.) populations listed under the U.S. Endangered Species Act (ESA) and determined what proportion of all sources of fish mortality (1 –survival) were due to birds in the Columbia...
Reference genome of the California glossy snake, Arizona elegans occidentalis: A declining California Species of Special Concern
Dustin A. Wood, Jonathan Q. Richmond, Merly Escalona, Mohan P. A. Marimuthu, Oanh Nguyen, Samuel Sacco, Eric Beraut, Michael F. Westphal, Robert N. Fisher, Amy G. Vandergast, Erin Toffelmier, Ian J Wang, H. Bradley Shaffer
2022, Journal of Heredity (113) 632-640
The glossy snake (Arizona elegans) is a polytypic species broadly distributed across southwestern North America. The species occupies habitats ranging from California’s coastal chaparral to the shortgrass prairies of Texas and southeastern Nebraska, to the extensive arid scrublands of central México. Three subspecies are currently recognized in California, one of...
Multi-decadal simulation of marsh topography evolution under sea level rise and episodic sediment loads
M W Brand, Kevin J. Buffington, J B Rogers, Karen M. Thorne, E D Stein, B F Sanders
2022, Journal of Geophysical Research: Earth Surface (127)
Coastal marsh within Mediterranean climate zones is exposed to episodic watershed runoff and sediment loads that occur during storm events. Simulating future marsh accretion under sea level rise calls for attention to: (a) physical processes acting over the time scale of storm events and (b) biophysical processes...
Landsat 9 geometric characteristics using underfly data
Michael J. Choate, Rajagopalan Rengarajan, James C. Storey, Mark Lubke
2022, Remote Sensing (14)
The Landsat program has a long history of providing remotely sensed data to the user community. This history is being extended with the addition of the Landsat 9 satellite, which closely mimics the Landsat 8 satellite and its instruments. These satellites contain two instruments, the Operational Land Imager (OLI) and...
Soil carbon consequences of historic hydrologic impairment and recent restoration in coastal wetlands
Meagan J. Eagle, Kevin D. Kroeger, Amanda C. Spivak, Faming Wang, Jianwu Tang, Omar I. Abdul-Aziz, Khandker S. Ishtiaq, Jennifer A. O’Keefe Suttles, Adrian G. Mann
2022, Science of the Total Environment (848)
Coastal wetlands provide key ecosystem services, including substantial long-term storage of atmospheric CO2 in soil organic carbon pools. This accumulation of soil organic matter is a vital component of elevation gain in coastal wetlands responding to sea-level rise. Anthropogenic activities that alter coastal wetland function through disruption of tidal exchange...
Recent declines in genetic diversity with limited dispersal among coastal cactus wren populations in San Diego County, California
Amy G. Vandergast, Barbara E. Kus, Julia G. Smith, Anna Mitelberg
2022, Conservation Science and Practice (4)
Habitat loss and fragmentation can lead to smaller and more isolated populations and reduce genetic diversity and evolutionary potential. Conservation programs can benefit from including monitoring of genetic factors in fragmented populations to help inform restoration and management. We assessed genetic diversity and structure among four...
Trends analysis of Rangeland Condition Monitoring Assessment and Projection (RCMAP) fractional component time series (1985–2020)
Hua Shi, Matthew B. Rigge, Kory Postma, Brett Bunde
2022, GIScience & Remote Sensing (59) 1243-1265
Rangelands have a dynamic response to climate change, fire, and other anthropogenic disturbances. The Rangeland Condition, Monitoring, Assessment, and Projection (RCMAP) product aims to capture this response by quantifying the percent cover of eight rangeland components, associated error, and trends across the western United States using Landsat from 1985 to...
Development, structure, and behavior of a perched lava channel at Kīlauea Volcano, Hawaiʻi, during 2007
Tim R. Orr, Edward W. Llewellin, Matthew R. Patrick
2022, Journal of Volcanology and Geothermal Research (430) 18 p.
Channelized lava flows are commonly produced during the early stages of basaltic eruptions. These channels usually maintain their morphology until the eruption ends or discharge is diverted. In some instances, narrower channels can roof over, developing into lava tubes. We report here on...
Low levels of hybridization between sympatric cold-water-adapted Arctic cod and Polar cod in the Beaufort Sea confirm genetic distinctiveness
Robert E. Wilson, Sarah A. Sonsthagen, P. Lavretsky, A. Majewski, E. Arnason, K. Halldorsdottir, A.W. Einarsson, K. Wedemeyr, Sandra L. Talbot
2022, Arctic Science (8) 1082-1093
As marine ecosystems respond to climate change and other stressors, it is necessary to evaluate current and past hybridization events to gain insight on the outcomes and drivers of such events. Ancestral introgression within the gadids has been suggested to allow cod to inhabit a variety of habitats. Little attention...
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...
