Managing climate refugia for freshwater fishes under an expanding human footprint
Joseph L. Ebersole, Rebecca M. Quinones, Shaun Clements, Benjamin Letcher
2020, Frontiers in Ecology and Environment (18) 271-280
Within the context of climate adaptation, the concept of climate refugia has emerged as a framework for addressing future threats to freshwater fish populations. We evaluated recent climate‐refugia management associated with water use and landscape modification by comparing efforts in the US states of Oregon and Massachusetts, for which there...
Fish predation on a landscape scale
Cyril J. Michel, Mark J. Henderson, Christopher M. Loomis, Joseph M. Smith, Nicholas J. Demetras, Ilysa S. Iglesias, Brendan M. Lehman, David D. Huff
2020, Ecosphere (11)
Predator–prey dynamics can have landscape-level impacts on ecosystems, and yet, spatial patterns and environmental predictors of predator–prey dynamics are often investigated at discrete locations, limiting our understanding of the broader impacts. At these broader scales, landscapes often contain multiple complex and heterogeneous habitats, requiring a spatially...
Factors driving nutrient trends in streams of the Chesapeake Bay watershed
Scott Ator, Joel D. Blomquist, James S. Webber, Jeffrey G. Chanat
2020, Journal of Environmental Quality (49) 812-834
Despite decades of effort toward reducing nitrogen and phosphorus flux to Chesapeake Bay, water-quality and ecological responses in surface waters have been mixed. Recent research, however, provides useful insight into multiple factors complicating the understanding of nutrient trends in bay tributaries, which we review in this paper, as we approach...
Development and evaluation of an improved TFM formulation for use in feeder stream treatments
James A. Luoma, Nicholas Robertson, Nicholas Schloesser, Courtney A. Kirkeeng, Justin R. Schueller, Erica Meulemans
2020, Report
The binational Great Lakes Fishery Commission sponsored Sea Lamprey Control Program effectively utilizes a variety of lampricide tools to keep populations of parasitic sea lampreys in the Great Lakes at levels that do not cause undue economic or ecological damage. The most widely used toxicant used in lampricide formulations is...
Assessment of restorative maintenance practices on the infiltration capacity of permeable pavement
Mari Danz, William R. Selbig, Nicolas Buer
2020, Water (12)
Permeable pavement has the potential to be an effective tool in managing stormwater runoff through retention of sediment and other contaminants associated with urban development. The infiltration capacity of permeable pavement declines as more sediment is captured, thereby reducing its ability to treat runoff. Regular restorative maintenance practices can alleviate...
Progress toward a preliminary karst depression density map for the conterminous United States
Daniel H. Doctor, Jeanne M. Jones, Nathan J. Wood, Jeff T. Falgout, Natalya Igorevna Rapstine
2020, Conference Paper, Proceedings of the 16th Sinkhole Conference
Most methods for the assessment of sinkhole hazard susceptibility are predicated upon knowledge of pre-existing closed depressions in karst areas. In the United States (U.S.), inventories of existing karst depressions are piecemeal, and are often obtained through inconsistent methodologies applied at the state or county level and at...
Sediment transport in a restored, river-influenced Pacific Northwest estuary
Daniel J. Nowacki, Eric E. Grossman
2020, Estuarine, Coastal and Shelf Science (242)
Predicting the success of future investments in coastal and estuarine ecosystem restorations is limited by scarce data quantifying sediment budgets and transport processes of prior restorations. This study provides detailed analyses of the hydrodynamics and sediment fluxes of a recently restored U.S. Pacific Northwest estuary, a 61 ha former agricultural...
Temporal and spatial variability of shallow soil moisture across four planar hillslopes on a tropical ocean island, San Cristóbal, Galápagos
Madelyn S. Percy, Diego A. Riveros-Iregui, Benjamin B. Mirus, Larry K. Benninger
2020, Journal of Hydrology: Regional Studies (30)
Study Region: This paper provides a summary of findings from temporal and spatial studies of soil water content on planar hillslopes across the equatorial island of San Cristóbal, Galápagos (Ecuador). Study Focus: Soil water content (SWC) was measured to generate temporal and spatial records to determine seasonal variation and to...
Recognition of typical antibiotic residues in environmental media related to groundwater in China (2009−2019)
Fuyang Huang, Ziyi An, Michael J. Moran, Fei Liu
2020, Journal of Hazardous Materials (399)
The potential adverse environmental and health-related impacts of antibiotics are becoming more and more concerning. China is globally the largest antibiotic producer and consumer, possibly resulting in the ubiquity and high detection levels of antibiotics in environmental compartments. Clear status on the concentration levels and spatial distribution of antibiotic contamination...
Regional hydrostratigraphic framework of Joint Base McGuire-Dix-Lakehurst and vicinity, New Jersey, in the context of perfluoroalkyl substances contamination of groundwater and surface water
Alex R. Fiore
2020, Open-File Report 2019-1134
A study was conducted by the U.S. Geological Survey, in cooperation with the U.S. Air Force, to describe the regional hydrostratigraphy of shallow aquifers and confining units underlying Joint Base McGuire-Dix-Lakehurst (JBMDL) and vicinity, New Jersey, in the context of contamination of groundwater and surface water by per- and polyfluoroalkyl...
Capture of environmental DNA (eDNA) from water samples by flocculation
W. Bane Schill
2020, JOVE Journal Of Visualized Experiments (159)
The analysis of environmental DNA (eDNA) has become a widely used approach to problem solving in species management. The detection of cryptic species including invasive and (or) species at risk is the goal, typically accomplished by testing water and sediment for the presence of characteristic DNA signatures. Reliable and efficient...
Nontuberculous mycobacterial disease and molybdenum in Colorado watersheds
Ettie M Lipner, Joshua French, Carleton R. Bern, Katherine Walton-Day, David Knox, Michael Strong, D. Rebecca Prevots, James L Crooks
2020, International Journal of Environmental Research and Public Health (17)
Nontuberculous mycobacteria (NTM) are environmental bacteria that may cause chronic lung disease. Environmental factors that favor NTM growth likely increase the risk of NTM exposure within specific environments. We aimed to identify water-quality constituents (Al, As, Cd, Ca, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Se,...
Methods of collection and quality assessment of arsenic data in well-water supplies in Maine, 2001–2 and 2006–7
Charles W. Culbertson, James M. Caldwell, Luther Schalk, Deana Manassaram, Lorraine C. Backer, Andrew E. Smith
2020, Data Series 1125
The U.S. Geological Survey, in cooperation with the U.S. Centers for Disease Control and Prevention and the Maine Center for Disease Control and Prevention, assessed the chemical characteristics and the occurrence, distribution, and oxidation state of inorganic arsenic in drinking water from selected domestic well-water supplies in Maine in 2001–2...
Deglacierization of a marginal basin and implications for outburst floods, Mendenhall Glacier, Alaska
Christian Kienholz, Jamie Pierce, Eran Hood, Jason M. Amundson, Gabriel Wolken, Aaron Jacobs, Skye Hart, Katreen Wikstrom-Jones, Dina Abdel-Fattah, Crane Johnson, Jeffrey S. Conaway
2020, Frontiers in Earth Science (8)
Suicide Basin is a partly glacierized marginal basin of Mendenhall Glacier, Alaska, that has released glacier lake outburst floods (GLOFs) annually since 2011. The floods cause inundation and erosion in the Mendenhall Valley, impacting homes and other infrastructure. Here, we utilize in-situ and remote sensing data to assess the recent evolution and...
Challenges in quantifying air-water carbon dioxide flux using estuarine water quality data: Case study for Chesapeake Bay
Maria Herrmann, Raymond G. Najjar, Fei Da, Jaclyn R. Friedman, Marjorie A. M. Friedrichs, Sreece Goldberger, Alana Menendez, Elizabeth H. Shadwick, Edward G. Stets, Pierre St-Laurent
2020, JGR Oceans (125)
Estuaries play an uncertain but potentially important role in the global carbon cycle via CO2 outgassing. The uncertainty mainly stems from the paucity of studies that document the full spatial and temporal variability of estuarine surface water partial pressure of carbon dioxide ( pCO2). Here, we explore the potential of utilizing the...
Trends in nutrient and soil loss in Illinois rivers, 1978–2017
Timothy O. Hodson, Paul J. Terrio
2020, Scientific Investigations Report 2020-5041
Nutrient and soil loss, defined herein as the loss of nutrients or soil to streams and other downstream receiving waters, affect watersheds around the globe. Although governments make large investments mitigating nutrient and soil loss through watershed management efforts, the efficacy of these efforts is often difficult to assess, in...
Impacts of sea-level rise on the tidal reach of California coastal rivers using the Coastal Storm Modeling System (CoSMoS)
Andrea C. O'Neill, Li H. Erikson, Patrick L. Barnard
2020, Journal of Coastal Research (95) 1223-1228
In coastal rivers, the interactions between tides and fluvial discharge affect local ecology, sedimentation, river dynamics, river mouth configuration, and the flooding potential in adjacent wetlands and low-lying areas. With sea-level rise, the tidal reach within coastal rivers can expand upstream, impacting river dynamics and increasing flood risk across a...
The influence of snow cover, air temperature, and groundwater flow on the active-layer thermal regime of Arctic hillslopes drained by water tracks
Caitlin R Rushlow, Audrey H Sawyer, Clifford I. Voss, Sarah E Godsey
2020, Hydrogeology Journal (28) 2057-2069
Permafrost in Arctic watersheds limits soil biological activity to a thin, seasonally thawed active layer that contributes water to streams. In many hillslopes, relatively wet drainage features called water tracks have distinct freeze-thaw patterns that affect groundwater flow and storage, and thus the export of heat...
Mitigation ponds offer drought resiliency for western spadefoot (Spea hammondii) populations
Katherine L. Baumberger, Adam R. Backlin, Elizabeth Gallegos, Cynthia Joan Hitchcock, Robert N. Fisher
2020, Bulletin, Southern California Academy of Sciences (119) 6-17
Synergistic effects of habitat loss, drought, and climate change exacerbate amphibian declines. In southern California urbanization continues to convert natural habitat, while prolonged drought reduces surface water availability. Protection of biodiversity may be provided through mitigation; however, the long-term effectiveness of different strategies is often unreported. As a...
Estimation of metademographic rates and landscape connectivity for a conservation-reliant anuran
Adam Duarte, James T. Peterson, Christopher Pearl, Jennifer Christine Rowe, Brome McCreary, Stephanie Galvan, Michael J. Adams
2020, Landscape Ecology (35) 1459-1479
ContextAmphibian conservation efforts commonly assume populations are tied to waterbodies that collectively function as a metapopulation. This assumption is rarely evaluated, and there is a need to understand the degree of connectivity among patches to appropriately define, manage, and conserve biological populations.ObjectivesOur objectives were to quantify...
Looking where it’s hard to see: A case study documenting rare Eucyclogobius newberryi presence in a California lagoon
Terra L Dressler, Kevin D. Lafferty, Christopher L. Jerde, Tom L. Dudley
2020, Journal of Fish Biology (97) 572-576
Environmental DNA (eDNA) analysis is increasingly used for biomonitoring and research of fish populations and communities by environmental resource managers and academic researchers. Although managers are much interested in expanding the use of eDNA as a survey technique, they are sceptical about both its utility (given that information is often...
Reservoir fish habitats: A perspective on coping with climate change
Leandro E. Miranda, G. Coppola, J. Boxrucker
2020, Reviews in Fisheries Science & Aquaculture (20) 478-498
Climate change is the defining environmental problem for our generation. The effects of climate change are increasingly evident and are anticipated to profoundly affect our ability to conserve fish habitats and fish assemblages. Reservoirs are important structures for coping with projected shifts in water supply, but they also provide refuge...
Freshwater neurotoxins and concerns for human, animal, and ecosystemhealth: A review of anatoxin-a and saxitoxin
Victoria Christensen, Eakalak Khan
2020, Science of the Total Environment (736) 1-17
Toxic cyanobacteria are a concern worldwide because they can adversely affect humans, animals, and ecosystems. However, neurotoxins produced by freshwater cyanobacteria are understudied relative to microcystin. Thus, the objective of this critical review was to provide a comprehensive examination of the modes of action, production, fate, and occurrence of the...
Sediments and the sea floor of the continental shelves and coastal waters of the United States—About the usSEABED integrated sea-floor-characterization database, built with the dbSEABED processing system
Brian J. Buczkowski, Jane A. Reid, Chris J. Jenkins
2020, Open-File Report 2020-1046
Since the second half of the 20th century, there has been an increase in scientific interest, research effort, and information gathered on the geologic sedimentary character of the continental margins of the United States. Data and information from thousands of sources have increased our scientific understanding of the character of...
Mercury in fish from streams and rivers in New York State: Spatial patterns, temporal changes, and environmental drivers
Karen Riva-Murray, Wayne Richter, N. Roxanna Razavi, Douglas A. Burns, Lisa B Cleckner, Mark Burton, Scott D. George, Douglas A. Freehafer
2020, Ecotoxicology (29) 1686-1708
Mercury (Hg) concentrations in freshwater fish across the state of New York frequently exceed guidelines considered harmful to humans and wildlife, but statewide distribution and temporal changes are not well known for the state’s streams and rivers. We analyzed existing data to describe recent spatial patterns, identify key environmental drivers,...
