Estimating flood magnitude and frequency on gaged and ungaged streams in Maine
Pamela J. Lombard, Glenn A. Hodgkins
2020, Scientific Investigations Report 2020-5092
Accurate estimates of flood frequency and magnitude on rivers and streams in Maine are a key component of effective flood risk management, flood mitigation, and flood recovery programs for the State. Flood-frequency estimates are published here for 148 streamgages in and adjacent to Maine. Equations are provided for users to...
Physical and chemical stressors on algal, invertebrate, and fish communities in 14 Milwaukee area streams, 2004–2013
Barbara C. Scudder Eikenberry, Michelle A. Nott, Jana S. Stewart, Daniel J. Sullivan, David A. Alvarez, Amanda H. Bell, Faith A. Fitzpatrick
2020, Fact Sheet 2020-3051
In 2004, the U.S. Geological Survey (USGS) began sampling 14 wadable streams in urban or urbanizing watersheds near Milwaukee, Wisconsin. The overall goal of the study is to assess the health of the aquatic communities in the Milwaukee Metropolitan Sewerage District planning area to inform current and future watershed management....
River network and reach‐scale controls on habitat for lamprey larvae in the Umpqua River Basin, Oregon
Krista Jones, Jason B. Dunham, Jim E. O'Connor, Mackenzie K. Keith, Joseph F. Mangano, Kelly Coates, Travis Mackie
2020, North American Journal of Fisheries Management (40) 1400-1416
This study developed a spatially explicit framework to support the conservation of Western Brook Lamprey Lampetra richardsoni and Pacific Lamprey Entosphenus tridentatus in the Umpqua River basin, Oregon. This framework identified locations within the river network likely to support “potential burrowing habitat” for lamprey larvae based on geomorphic conditions and evaluated the overlap of...
Spectral wave-driven bedload transport across a coral reef flat/lagoon complex
Kurt J. Rosenberger, Curt D. Storlazzi, Olivia M. Cheriton, Andrew Pomeroy, Jeff E. Hansen, Ryan Lowe, Mark Buckley
2020, Frontiers in Marine Science (7)
Coral reefs are an important source of sediment for reef-lined coasts by helping to maintain beaches while also providing protection in the form of wave energy dissipation. Understanding the mechanisms by which sediment is delivered to the coast as well as better constraining the total volumes generated are critical...
Predicting multi-species foraging hotspots for marine turtles in the Gulf of Mexico
Ikuko Fujisaki, Kristen Hart, David N. Bucklin, Autumn R. Iverson, Cynthia Rubio, Margaret M. Lamont, Raul de Jesus G.D. Miron, Patrick M. Burchfield, Jaime Pena, Donna J. Shaver
2020, Endangered Species Research (43) 253-266
Quantifying the distribution of animals and identifying underlying characteristics that define suitable habitat are essential for effective conservation of free-ranging species. Prioritizing areas for conservation is important in managing a geographic extent that has a high level of disturbance and limited conservation resources. We examined the potential use of...
U.S. Geological Survey (USGS) Water-Use Data and Research (WUDR) program overview and status as of October 22, 2020
Kimberly Shaffer
2020, Newsletter
The USGS Water-Use Data and Research Program (WUDR) is an appropriated program that began in Federal fiscal year 2015 and is authorized under the SECURE Water Act (Sec. 9508 (c)). WUDR provides financial assistance through cooperative agreements to State water resource agencies. The WUDR Program has two main goals: To improve...
Spatial fingerprint of younger dryas cooling and warming in eastern North America
David Fastovich, James M. Russell, Stephen T. Jackson, Teresa R. Krause, Shaun A. Marcott, John W. Williams
2020, Geophysical Research Letters (47)
The Younger Dryas (YD, 12.9–11.7 ka) is the most recent, near-global interval of abrupt climate change with rates similar to modern global warming. Understanding the causes and biodiversity effects of YD climate changes requires determining the spatial fingerprints of past temperature changes. Here we build pollen-based and branched...
Using a large-n seismic array to explore the robustness of spectral estimations
Kilian B. Kemna, A.F. Pena Castro, Rebecca M. Harrington, Elizabeth S. Cochran
2020, Geophysical Research Letters (47)
Spectral analysis is widely used to estimate and refine earthquake source parameters such as source radius, seismic moment, and stress drop. This study aims to quantify the precision of the single spectra and empirical Green's function spectral ratio approach using the Large‐n Seismic Survey in Oklahoma (LASSO) array....
Variable-density groundwater flow and contaminant transport, Operable Unit 1, Naval Base Kitsap, Keyport, Washington
Richard M. Yager, Wendy B. Welch, Alex O. Headman, Richard S. Dinicola
2020, Scientific Investigations Report 2020-5066
Chlorinated volatile organic compounds (CVOCs) have migrated to groundwater beneath a former 9-acre landfill at Operable Unit 1 (OU-1) on Naval Base Kitsap, which was active from the 1930s through 1973 on the Keyport Peninsula, in Kitsap County, Washington. Biodegradation of CVOCs at OU-1 limits the mass of dissolved-phase CVOCs...
Simulated effects of pumping in the Death Valley Regional Groundwater Flow System, Nevada and California—Selected management scenarios projected to 2120
Nora C. Nelson, Tracie R. Jackson
2020, Scientific Investigations Report 2020-5103
Declining water levels and reduced natural discharge at springs, seeps, and phreatophyte areas primarily are the result of decades of groundwater development in the Death Valley regional flow system, in Nevada and California. A calibrated groundwater-flow model was used to simulate potential future effects of groundwater pumping on water levels...
Mitogenome of northern long-eared bat
S. J. Gaughan, Kevin L. Pope, J. A. White, C. A. Lemen, P. W. Freeman
2020, Mitochondrial DNA Part B (5) 3592-3593
The complete mitogenome of the northern long-eared bat (Myotis septentrionalis) was determined to be 17,362 bp and contained 22 tRNA genes, 2 rRNA genes and one control region. The whole genome base composition was 33.8% GC. Phylogenetic analysis suggests that M. septentrionalis be positioned next to M. auriculus in the Nearctic subclade of the Myotis genus. This complete...
Advancements towards selective barrier passage by automatic species identification: Applications of deep convolutional neural networks on images of dewatered fish
Jesse Eickholt, Dylan Kelly, Janine Bryan, Scott M. Miehls, Daniel Zielinski
2020, ICES Journal of Marine Science (77) 2804-2813
Invasive species negatively affect enterprises such as fisheries, agriculture, and international trade. In the Laurentian Great Lakes Basin, threats include invasive sea lamprey (Petromyzon marinus) and the four major Chinese carps. Barriers have proven to be an effective mechanism for managing invasive species but are detrimental in that they also...
Land subsidence contributions to relative sea level rise at tide gauge Galveston Pier 21, Texas
Yi Liu, Jiang Li, John Fasullo, Devin Galloway
2020, Scientific Reports (10)
Relative sea level rise at tide gauge Galveston Pier 21, Texas, is the combination of absolute sea level rise and land subsidence. We estimate subsidence rates of 3.53 mm/a during 1909–1937, 6.08 mm/a during 1937–1983, and 3.51 mm/a since 1983. Subsidence attributed to aquifer-system compaction accompanying groundwater extraction contributed as much as 85%...
Simulated estuary-wide response of seagrass (Zostera marina) to future scenarios of temperature and sea level
Cara Scalpone, Jessie Jarvis, James Vasslides, Jeremy Testa, Neil K. Ganju
2020, Frontiers in Marine Science (7)
Seagrass communities are a vital component of estuarine ecosystems, but are threatened by projected sea level rise (SLR) and temperature increases with climate change. To understand these potential effects, we developed a spatially explicit model that represents seagrass (Zostera marina) habitat and estuary-wide productivity for Barnegat Bay-Little Egg...
Sensitivity of storm response to antecedent topography in the XBeach model
Rangley C. Mickey, P. Soupy Dalyander, Robert T. McCall, Davina Passeri
2020, Journal of Marine Science and Engineering (8)
Antecedent topography is an important aspect of coastal morphology when studying and forecasting coastal change hazards. The uncertainty in morphologic response of storm-impact models and their use in short-term hazard forecasting and decadal forecasting is important to account for when considering a coupled model framework. This study...
Understanding the relationship between stream metabolism and biological assemblages
Mark D. Munn, Rich W. Sheibley, Ian R. Waite, Michael R. Meador
2020, Freshwater Science (39) 680-692
Biological assemblages are commonly used for assessing stream health, but there is increased interest among the freshwater research community in incorporating measures of stream function, such as metabolism, to strengthen stream-health assessments. Presently, there is limited information about the relationships between stream metabolism and biological assemblages, along...
Introduction to life cycles, taxonomy, distribution and basic research techniques
Gediminas Valkiunas, Carter T. Atkinson
2020, Book chapter, Avian Malaria and Related Parasites in the Tropics
Avian haemosporidian parasites are a closely related group of apicomplexan parasites with important similarities in their life cycles, development, physiology, and reproduction. Current phylogenies based on mitochondrial and nuclear genes reflect more traditional attempts to classify these organisms based on life history characteristics and morphology, but limited sampling...
An interactive data visualization framework for exploring geospatial environmental datasets and model predictions
Jeffrey D. Walker, Benjamin Letcher, Kirk D. Rodgers, Clint C. Muhlfeld, Vincent S. D’Angelo
2020, Water (12)
With the rise of large-scale environmental models comes new challenges for how we best utilize this information in research, management and decision making. Interactive data visualizations can make large and complex datasets easier to access and explore, which can lead to knowledge discovery, hypothesis formation and improved...
Using environmental DNA (eDNA) to detect the endangered Spectaclecase Mussel (Margaritifera monodonta)
Yer Lor, Theresa M. Schreier, Diane L. Waller, Christopher M. Merkes
2020, Freshwater Science (39) 837-847
Margaritifera monodonta, or the Spectaclecase Mussel, is a federally endangered freshwater mussel species that has experienced a 55% reduction in range and is currently concentrated in 3 rivers in the Midwest region of the United States (Gasconade and Meramec rivers, Missouri, and St Croix River, Wisconsin). The detection of new...
Warming of alpine tundra enhances belowground production and shifts community towards resource acquisition traits
Yan Yang, Julia A. Klein, Daniel E. Winkler, Ahui Peng, Brynne E. Lazarus, Matthew Germino, Katherine Suding, Jane G. Smith, Lara M. Kueppers
2020, Ecosphere (11)
Climate warming is expected to stimulate plant growth in high‐elevation and high‐latitude ecosystems, significantly increasing aboveground net primary production (ANPP). However, the effects of simultaneous changes in temperature, snowmelt timing, and summer water availability on total net primary production (NPP)—and elucidation of both above‐ and belowground responses—remain an important area...
Modeling population dynamics with count data
Marc Kery, Andy Royle
2020, Book chapter, Applied hierarchical modeling in ecology: Analysis of distribution, abundance and species richness in R and BUGS
In this chapter, we describe models of open populations that are subject to change over time due to additions and subtractions. Additions may be in the form of recruitment and immigration, and subtractions may be in the form of mortality, emigration, or both. Conceptually, these models are described by the...
Modeling false positives
Marc Kery, Andy Royle
2020, Book chapter, Applied hierarchical modeling in ecology: Analysis of distribution, abundance and species richness in R and BUGS
Many of the models we are concerned with included explicit descriptions of false negative errors. However, false positive errors can also be commin in practice, especially in citizen science applications where observer skill is highly variable. In addition, new methods which determine detection based on statistical classification or machine learning...
Diurnal timing of nonmigratory movement by birds: The importance of foraging spatial scales
Julie M. Mallon, Marlee A. Tucker, Annalea Beard, Richard O Bierregaard, Keith L. Bildstein, Katrin Böhning-Gaese, John N. Brzorad, Evan R. Buechley, Javier Bustamante, Carlos Carrapato, Jose Alfredo Castillo-Guerrero, Elizabeth Clingham, Mark Desholm, Christopher R. DeSorbo, Robert Domenech, Hayley Douglas, Olivier Duriez, Peter Enggist, Nina Farwig, Wolfgang Fiedler, Anna Gagliardo, Clara García‐Ripollés, Jose Antonio Gil Gallus, Morgan E. Gilmour, Roi Harel, Autumn-Lynn Harrison, Leeann Henry, Todd E. Katzner, Roland Kays, Erik Kleyheeg, Rubén Limiñana, Pascual Lopez-Lopez, Giuseppe Lucia, Alan Maccarone, Egidio Mallia, Ugo Mellone, E.K. Mojica, Ran Nathan, Scott H. Newman, Steffen Oppel, Yotam Orchan, Diann J. Prosser, Hannah Riley, Sascha Rösner, Dana G. Schabo, Holger Schulz, Scott A. Shaffer, Adam Shreading, João Paulo Silva, Jolene Sim, Henrik Skov, Orr Spiegel, Matthew J. Stuber, John Y. Takekawa, Vicente Urios, Javier Vidal-Mateo, Kevin Warner, Bryan D. Watts, Nicola Weber, Sam Weber, Martin Wikelski, Ramunas Zydelis, Thomas Mueller, William F. Fagan
2020, Journal of Avian Biology (51)
Timing of activity can reveal an organism's efforts to optimize foraging either by minimizing energy loss through passive movement or by maximizing energetic gain through foraging. Here, we assess whether signals of either of these strategies are detectable in the timing of activity of daily, local movements by birds. We...
Modeling three-dimensional flow over spur-and-groove morphology
Renan da Silva, Curt D. Storlazzi, Justin S. Rogers, Johan Reyns, Robert T. McCall
2020, Coral Reefs (39) 1841-1858
Spur-and-groove (SAG) morphology characterizes the fore reef of many coral reefs worldwide. Although the existence and geometrical properties of SAG have been well documented, an understanding of the hydrodynamics over them is limited. Here, the three-dimensional flow patterns over SAG formations, and a sensitivity of those...
Modeling population dynamics with multinomial count data
Andy Royle, Marc Kery
2020, Book chapter, Applied hierarchical modeling in ecology: Analysis of distribution, abundance and species richness in R and BUGS
No abstract available....
