Stress gradients interact with disturbance to reveal alternative states in salt marsh: Multivariate resilience at the landscape scale
Scott Jones, Camille Stagg, Erik S. Yando, W. Ryan James, Kevin Buffington, Mark W. Hester
2021, Journal of Ecology (109) 3211-3223
Stress gradients influence many ecosystem processes and properties, including ecosystem recovery from and resistance to disturbance. While recent analytical approaches have advanced multivariate metrics of ecosystem resilience that allow quantification of conceptual resilience models and identification of thresholds of state change, these approaches are not often translated to landscape...
Probabilistic patterns of inundation and biogeomorphic changes due to sea-level rise along the northeastern U.S. Atlantic coast
Erika E. Lentz, Sara L. Zeigler, E. Robert Thieler, Nathaniel G. Plant
2021, Landscape Ecology (36) 223-241
ContextCoastal landscapes evolve in response to sea-level rise (SLR) through a variety of geologic processes and ecological feedbacks. When the SLR rate surpasses the rate at which these processes build elevation and drive lateral migration, inundation is likely.ObjectivesTo examine the role of land cover diversity and...
Uncertainty in critical source area predictions from watershed-scale hydrologic models
Grey R. Evenson, Margaret M Kalcic, Yu-Chen Wang, Dale M. Robertson, Donald Scavia, Jay Martin, Noel Aloysius, Anna Apostel, Chelsie Boles, Michael Brooker, Remegio Confesor, Awoke T Dagnew, Tian Guo, Jeffrey Kast, Hailey Kajawa, Rebecca Logsdon Muenich, Asmita Murumkar, Todd Redder
2021, Journal of Environmental Management (279)
Watershed-scale hydrologic models are frequently used to inform conservation and restoration efforts by identifying critical source areas (CSAs; alternatively 'hotspots'), defined as areas that export relatively greater quantities of nutrients and sediment. The CSAs can then be prioritized or ‘targeted’ for...
An approach for decomposing river water-quality trends into different flow classes
Qian Zhang, James S. Webber, Douglas L. Moyer, Jeffrey G. Chanat
2021, Science of the Total Environment (755)
A number of statistical approaches have been developed to quantify the overall trend in river water quality, but most approaches are not intended for reporting separate trends for different flow conditions. We propose an approach called FN2Q, which is an extension of the flow-normalization...
Regional coordination between riparian dependence and atmospheric demand in willows (Salix L.) of western North America
Bradley J. Butterfield, Emily C. Palmquist, Kevin R. Hultine
2021, Diversity and Distributions (27) 377-388
AimPlants vary in their hydrological and climatic niches. How these niche dimensions covary among closely related species can help identify co‐adaptations to hydrological and climatic factors, as well as predict biodiversity responses to environmental change.LocationWestern United States.MethodsRelationships between riparian dependence and...
Telemetry evaluation of carbon dioxide as a behavioral deterrent for invasive carps
Aaron R. Cupp, Ashley K Lopez, Justin Smerud, John A. Tix, Jose Rivera, Nicholas M. Swyers, Marybeth K. Brey, Christa M. Woodley, David L. Smith, Mark P. Gaikowski
2021, Journal of Great Lakes Research (47) 59-68
Carbon dioxide (CO2) mixed into water is being explored as a possible management strategy to deter the upstream movements of invasive carps through navigation locks and other migratory pinch-points. This study used two-dimensional acoustic telemetry to assess the effectiveness of dissolved CO2 as a chemosensory deterrent to two carp species in...
Nowhere to hide: The importance of instream cover for stream‐living Coastal Cutthroat Trout during seasonal low flow
Brooke E Penaluna, Jason B. Dunham, Heidi V. Andersen
2021, Ecology of Freshwater Fish (30) 256-269
Through their multiple functions, refuges may be important for stream‐living fishes, particularly during stressful events such as seasonal low flow or drought. Coastal Cutthroat Trout Oncorhynchus clarkii clarkii is an ideal study organism to understand the importance of refuge. During seasonal low flow, lower water levels limit access...
Multi-year hydroclimatic droughts and pluvials across the conterminous United States
Gregory J. McCabe, David M. Wolock
2021, International Journal of Climatology (41) 1731-1746
Time series of water‐year runoff for 2,109 hydrologic units (HUs) across the conterminous United States (CONUS) for the 1900 through 2014 period were used to identify drought and pluvial (i.e., wet) periods. Characteristics of the drought and pluvial events including frequency, duration, and severity were examined...
Hydrogeochemistry in the Yukon-Tanana Upland region of east-central Alaska: Possible exploration tool for porphyry-style deposits
Karen D. Kelley, Garth E. Graham
2021, Applied Geochemistry (124)
A hydrogeochemical study using high resolution ICP-MS was undertaken at the Taurus and other porphyry Cu-Mo(-Au) occurrences and Ag-Au-Cu (+/- Pb, Zn) occurrences with epithermal-style characteristics in the Yukon-Tanana upland region of eastern Alaska. Surface water samples were collected from 30...
Germination potential of baldcypress (Taxodium distichum) swamp soil seed bank along geographical gradients
Ting Lei, Beth Middleton
2021, Science of the Total Environment (759)
Changing environments of temperature, precipitation and moisture availability can affect vegetation in ecosystems, by affecting regeneration from the seed bank. Our objective was to explore the responses of soil seed bank germination to climate-related environments along geographic gradients. We collected seed banks in baldcypress...
Skin fungal assemblages of bats vary based on susceptibility to white-nose syndrome
Karen J Vanderwolf, Lewis Campbell, Tony L. Goldberg, David S. Blehert, Jeffrey M. Lorch
2021, ISME Journal (15) 909-920
Microbial skin assemblages, including fungal communities, can influence host resistance to infectious diseases. The diversity-invasibility hypothesis predicts that high-diversity communities are less easily invaded than species-poor communities, and thus diverse microbial communities may prevent pathogens from colonizing a host. To explore the hypothesis that host fungal...
Hybridization alters growth and migratory life-history expression of native trout
Jeffrey Strait, Lisa A Eby, Ryan P. Kovach, Clint C. Muhlfeld, Matthew Boyer, Stephen J. Amish, Seth Smith, Winsor H. Lowe, Gordon Luikart
2021, Evolutionary Applications (14) 821-833
Human-mediated hybridization threatens many native species, but the effects of introgressive hybridization on life-history expression are rarely quantified, especially in vertebrates. We quantified the effects of non-native rainbow trout admixture on important life-history traits including growth and partial migration behavior in three populations of westslope cutthroat trout over five years....
Foreword
J. Andrew Royle
2021, Book chapter, Spatial dynamics and ecology of large ungulate populations in tropical forests of India
No abstract available....
Sibship reconstruction with SNPs illuminates the scope of a cryptic invasion of Asian Swamp Eels (Monopterus albus) in Georgia, USA
A. T. Taylor, M. R. Bangs, James M. Long
2021, Biological Invasions (23) 569-580
Cryptic invasive species are particularly problematic to study, manage, and control because of the difficulty detecting these species within their invaded habitats. Such is the case of the Asian Swamp Eel (Monopterus albus; ASE) where it is established in vegetated marshes along the Chattahoochee River, Georgia. Adult eels have been...
A Bayesian Dirichlet process community occupancy model to estimate community structure and species similarity
Rahel Sollmann, Mitchell J. Eaton, William Link, Paul Mulundo, Samuel Ayebare, Sarah Prinsloo, Andrew J. Plumptre, D.S. Johnson
2021, Ecological Applications (31)
Community occupancy models estimate species‐specific parameters while sharing information across species by treating parameters as sampled from a common distribution. When communities consist of discrete groups, shrinkage of estimates towards the community mean can mask differences among groups. Infinite mixture models using a Dirichlet process (DP) distribution, in which the...
Damping values derived from surface-source, downhole-receiver measurements at 22 sites in the San Francisco Bay Area of central California and the San Fernando Valley of southern California
David Boore, James F. Gibbs, William B. Joyner
2021, Bulletin of the Seismological Society of America (111) 2158-2166
A method discussed in Gibbs, Boore, et al. (1994) was applied to surface‐source, downhole‐receiver recordings at 22 boreholes, in the San Francisco Bay area in central California and the San Fernando Valley of southern California, to determine the average damping ratio of shear waves over depth intervals ranging from about 10 m...
Understanding collaborative governance from a communication network perspective: A case study of the Atlantic Salmon recovery framework
Melissa. E. Flye, Carly. C Sponarski, Joseph D. Zydlewski, Bridie McGreavy
2021, Environmental Science and Policy (115) 79-90
Atlantic salmon populations in Maine remain critically low despite extensive hatchery supplementation and habitat improvement efforts. In 2000, the Gulf of Maine Distinct Population Segment was listed as Endangered under the ESA with joint listing authority shared by the National Oceanic and Atmospheric Administration (NOAA) and the United States Fish...
Transport and speciation of uranium in groundwater-surface water systems impacted by legacy milling operations
Patrick A. Byrne, Christopher C. Fuller, David L. Naftz, Robert L. Runkel, Niklas J Lehto, William L Dam
2021, Science of the Total Environment (761)
Growing worldwide concern over uranium contamination of groundwater resources has placed an emphasis on understanding uranium transport dynamics and potential toxicity in groundwater-surface water systems. In this study, we utilized novel in-situ sampling methods to establish the location and magnitude of contaminated groundwater entry into a receiving surface water environment,...
Thinking like a consumer: Linking aquatic basal metabolism and consumer dynamics
Janine Ruegg, Caitlin C Conn, Elizabeth P Anderson, Tom J Battin, Emily S. Bernhardt, Marta Boix Canadell, Sophia M Bonjour, Jacob D. Hosen, Nicholas S Marzolf, Charles Yackulic
2021, Limnology and Oceanography Letters (6) 1-17
The increasing availability of high‐frequency freshwater ecosystem metabolism data provides an opportunity to identify links between metabolic regimes, as gross primary production and ecosystem respiration patterns, and consumer energetics with the potential to improve our current understanding of consumer dynamics (e.g., population dynamics, community structure, trophic...
Preparing wildlife for climate change: How far have we come?
Olivia E. LeDee, Stephen D. Handler, Christopher L. Hoving, Christopher W. Swanston, Benjamin Zuckerberg
2021, Journal of Wildlife Management (85) 7-16
Global biodiversity is in unprecedented decline and on-the-ground solutions are imperative for conservation. Although there is a large volume of evidence related to climate change effects on wildlife, research on climate adaptation strategies is lagging. To assess the current state of knowledge in climate...
A generic soil velocity model that accounts for near-surface conditions and deeper geologic structure
Nasser A. Marafi, Alex R. Grant, Brett W. Maurer, Gunjan Rateria, Marc O Eberhard, Jeff W Berman
2021, Soil Dynamics and Earthquake Engineering (140)
Near-surface soil conditions can significantly alter the amplitude and frequency content of incoming ground motions – often with profound consequences for the built environment – and are thus important inputs to any ground-motion prediction. Previous soil-velocity models (SVM) have predicted shear-wave...
Applying cumulative effects to strategically advance large‐scale ecosystem restoration
Heida L. Diefenderfer, Gregory Steyer, Matthew C. Harwell, Andrew J LoSchiavo, Hilary A. Neckles, David M. Burdick, Gary E. Johnson, Kate E. Buenau, Elene Trujillo, John C. Callaway, Ronald M. Thom, Neil K. Ganju, Robert R. Twilley
2021, Frontiers in Ecology and the Environment (19) 108-117
International efforts to restore degraded ecosystems will continue to expand over the coming decades, yet the factors contributing to the effectiveness of long‐term restoration across large areas remain largely unexplored. At large scales, outcomes are more complex and synergistic than the additive impacts of individual restoration projects. Here, we propose...
Evaluation of seismic hazard models with fragile geologic features
Mark W. Stirling, Mike Oskin, J. Ramon Arrowsmith, Anna H. Rood, Christine A. Goulet, Lisa Grant Ludwig, Tamarah King, Albert Kottke, Julian C. Lozos, Chris L M Madugo, Devin McPhillips, Dylan Rood, Norman Sleep, Christine Wittich
2021, Seismological Research Letters (92) 314-324
We provide an overview of a 2019 workshop on the use of fragile geologic features (FGFs) to evaluate seismic hazard models. FGFs have been scarcely utilized in the evaluation of seismic hazard models, despite nearly 30 yr having passed since the first recognition of their...
Possible effects of climate change on ixodid ticks and the pathogens they transmit: Predictions and observations
Nicholas H. Ogden, Charles B. Beard, Howard S. Ginsberg, Jean I. Tsao
2021, Journal of Medical Entomology (58) 1536-1545
The global climate has been changing over the last century due to greenhouse gas emissions and will continue to change over this century, accelerating without effective global efforts to reduce emissions. Ticks and tick-borne diseases (TTBDs) are inherently climate-sensitive due to the sensitivity of tick lifecycles to climate. Key...
Estimating the contribution of tributary sand inputs to controlled flood deposits for sandbar restoration using elemental tracers, Colorado River, Grand Canyon National Park, Arizona
Katherine A. Chapman, Rebecca J. Best, M. Elliot Smith, Erich R. Mueller, Paul E. Grams, Roderic A. Parnell
2021, Geological Society of America Bulletin (133) 1141-1156
Completion of Glen Canyon Dam in 1963 resulted in complete elimination of sediment delivery from the upstream Colorado River basin to Grand Canyon and nearly complete control of spring snowmelt floods responsible for creating channel and bar morphology. Management of the river ecosystem in Grand Canyon National Park now relies...
