A replication of a factor analysis of motivations for trapping
Susan Schroeder, David C. Fulton
2015, Human Dimensions of Wildlife (20) 280-283
Using a 2013 sample of Minnesota trappers, we employed confirmatory factor analysis to replicate an exploratory factor analysis of trapping motivations conducted by Daigle, Muth, Zwick, and Glass (1998). We employed the same 25 items used by Daigle et al. and tested the same five-factor structure using a recent sample...
Bees: An up-close look at pollinators around the world
Sam Droege, Laurence Packer
2015, Book
While we eat, work, and sleep, bees are busy around the world. More than 20,000 species are in constant motion! They pollinate plants of all types and keep our natural world intact. In Bees, you'll find a new way to appreciate these tiny wonders. Sam Droege and Laurence Packer present...
Assessing the geologic and climatic forcing of biodiversity and evolution surrounding the Gulf of California
Greer Dolby, Scott E.K. Bennett, Andres Lira-Noriega, Benjamin T. Wilder, Adrian Munguia-Vega
2015, Journal of the Southwest (57) 391-455
For almost a century the Baja California peninsula (Peninsula), Gulf of California (Gulf), and broader Sonoran Desert region (figure 1) have drawn geologists and biologists alike to study its unique physical and evolutionary processes (e.g., Wittich 1920; Darton 1921; Nelson 1921; Johnston 1924; Beal 1948; Durham and Allison 1960). The...
Accelerating advances in continental domain hydrologic modeling
Stacey A. Archfield, Martyn Clark, Berit Arheimer, Lauren E. Hay, Hilary McMillan, Julie E. Kiang, Jan Seibert, Kirsti Hakala, Andrew R. Bock, Thorsten Wagener, William H. Farmer, Vazken Andreassian, Sabine Attinger, Alberto Viglione, Rodney Knight, Steven L. Markstrom, Thomas M. Over
2015, Water Resources Research (51) 10078-10091
In the past, hydrologic modeling of surface water resources has mainly focused on simulating the hydrologic cycle at local to regional catchment modeling domains. There now exists a level of maturity among the catchment, global water security, and land surface modeling communities such that these communities are converging toward continental...
Factors influencing capture of invasive sea lamprey in traps baited with a synthesized sex pheromone component
Nicholas S. Johnson, Michael J. Siefkes, C. Michael Wagner, Gale Bravener, Todd Steeves, Michael Twohey, Weiming Li
2015, Journal of Chemical Ecology (41) 913-923
The sea lamprey, Petromyzon marinus, is emerging as a model organism for understanding how pheromones can be used for manipulating vertebrate behavior in an integrated pest management program. In a previous study, a synthetic sex pheromone component 7α,12α, 24-trihydroxy-5α-cholan-3-one 24-sulfate (3kPZS) was applied to sea lamprey traps in eight...
Functional role of an endophytic Bacillus amyloliquefaciens in enhancing growth and disease protection of invasive English ivy (Hedera helix L.)
Marcos Antonio Soares, Jai-Yan Li, Marshall Bergen, Joaquim Manoel da Silva, Kurt P. Kowalski, James Francis White
2015, Plant and Soil (405) 107-123
BackgroundWe hypothesize that invasive English ivy (Hedera helix) harbors endophytic microbes that promote plant growth and survival. To evaluate this hypothesis, we examined endophytic bacteria in English ivy and evaluated effects on the host plant.MethodsEndophytic bacteria were isolated...
Using time-varying asymptotic length and body condition of top piscivores to indicate ecosystem regime shift in the main basin of Lake Huron: a Bayesian hierarchical modeling approach
Ji X. He, James R. Bence, Edward F. Roseman, David G. Fielder, Mark P. Ebener
2015, Canadian Journal of Fisheries and Aquatic Sciences (73) 1092-1103
We evaluated the ecosystem regime shift in the main basin of Lake Huron that was indicated by the 2003 collapse of alewives, and dramatic declines in Chinook salmon abundance thereafter. We found that the period of 1995-2002 should be considered as the early phase of the final regime shift. We...
Towards forecasting the retreat of California’s coastal cliffs during the 21st century
Patrick W. Limber, Patrick L. Barnard, Cheryl Hapke
2015, Conference Paper, The proceedings of the coastal sediments 2015
In California, sea-level rise during the 21st century threatens to accelerate coastal cliff recession rates. To forecast such changes for managers and policymakers, models must play a key role. In this paper, we extend a ~70-year long dataset of measured historic sea cliff retreat rates in Southern California into the 21st century...
Habitat edges have weak effects on duck nest survival at local spatial scales
Amelia J Raquel, Kevin M. Ringelman, Joshua T. Ackerman, John M. Eadie
2015, Ardea (103) 155-162
Edge effects on nesting success have been documented in breeding birds in a variety of contexts, but there is still uncertainty in how edge type and spatial scale determine the magnitude and detectability of edge effects. Habitat edges are often viewed as predator corridors that surround or penetrate core habitat...
Adapting the U.S. National Hydrography Dataset to linked open data
Dalia E. Varanka, E. Lynn Usery, David M. Mattli
2015, Conference Paper, Cartography -- maps connecting the world: 27th International Cartographic Conference 2015 - ICC2015
A controlled vocabulary for the National Hydrography Dataset (NHD) of the United States was developed as Linked Open Data (LOD). The vocabulary has two main parts: a glossary and a set of triples reflecting the NHD data model as it is organized in geographic information systems (GIS). The glossary consists...
Mechanics of sediment suspension and transport within a fringing reef
A. W. M. Pomeroy, R. J. Lowe, M. Ghisalberti, Curt D. Storlazzi, M. Cutter, G. Symonds
2015, Conference Paper, The proceedings of the coastal sediments 2015
Large bottom roughness is a characteristic of most coral reef environments and this has been shown to have a substantial impact on hydrodynamic processes in these environments. In this paper, we evaluate suspended sediment concentration (SSC) data as well detailed hydrodynamic data over a coral reef flat in Ningaloo Reef,...
Groundwater and surface-water interaction and effects of pumping in a complex glacial-sediment aquifer, phase 2, east-central Massachusetts
Jack R. Eggleston, Phillip J. Zarriello, Carl S. Carlson
2015, Scientific Investigations Report 2015-5174
The U.S. Geological Survey, in cooperation with the Town of Framingham, Massachusetts, has investigated the potential of proposed groundwater withdrawals at the Birch Road well site to affect nearby surface water bodies and wetlands, including Lake Cochituate, the Sudbury River, and the Great Meadows National Wildlife Refuge in east-central Massachusetts....
Use of historic Persian water system data in groundwater models: Examples from Afghanistan and Emirates
Thomas J. Mack, Jack R. Eggleston
2015, Conference Paper, MODLFOW and more 2015, modeling a complex world proceedings
Obtaining calibration data for models depicting conditions during pre-development periods can be challenging as such periods are characteristically data poor. This study presents two examples where simulation of historic water conveyance structures were used to help characterize historic, or pre-modern, conditions in calibration of groundwater flow models. Persian water...
2014 M=6.0 South Napa earthquake triggered widespread aftershocks and stressed several major faults and exotic fault clusters
Shinji Toda, Ross Stein
2015, Seismological Research Letters (86) 1593-1602
The strongest San Francisco Bay area earthquake since the 1989 Mw 7.0 Loma Prieta shock struck near Napa on 24 August 2014. Field mapping (Dawson et al., 2014; Earthquake Engineering Research Institute [EERI], 2014; Brocher et al., 2015) and seismic and geodetic source inversions (Barnhart et al., 2015; Dreger et...
Testing assumptions for conservation of migratory shorebirds and coastal managed wetlands
Jaime Collazo, James Lyons, Garth Herring
2015, Wetlands Ecology and Management
Managed wetlands provide critical foraging and roosting habitats for shorebirds during migration; therefore, ensuring their availability is a priority action in shorebird conservation plans. Contemporary shorebird conservation plans rely on a number of assumptions about shorebird prey resources and migratory behavior to determine stopover habitat requirements. For example,...
Geologic framework for the assessment of undiscovered oil and gas resources in sandstone reservoirs of the Upper Jurassic-Lower Cretaceous Cotton Valley Group, U.S. Gulf of Mexico region
Jennifer D. Eoff, Russell F. Dubiel, Ofori N. Pearson, Katherine J. Whidden
2015, Conference Paper
The U.S. Geological Survey (USGS) is assessing the undiscovered oil and gas resources in sandstone reservoirs of the Upper Jurassic–Lower Cretaceous Cotton Valley Group in onshore areas and State waters of the U.S. Gulf of Mexico region. The assessment is based on geologic elements of a total petroleum system. Four...
Alamo impact olistoliths in Antler orogenic foreland, Warm Springs–Milk Spring area, Hot Creek Range, central Nevada
Forrest G. Poole, Charles Sandberg
2015, Book chapter, Unusual central Nevada geologic terranes produced by Late Devonian antler orogeny and Alamo impact
The 45 km2 map area is situated at the south end of the Hot Creek Range in central Nevada, ~16 km east of the buried leading edge of the Mississippian Roberts Mountains thrust. Three eastward-trending left-slip faults divide the area into four structural blocks. The southernmost block is occupied solely by...
A comparative study of surface waves inversion techniques at strong motion recording sites in Greece
Panagiotis C. Pelekis, Alexandros Savvaidis, Robert E. Kayen, Vasileios S. Vlachakis, George A. Athanasopoulos
2015, Conference Paper, Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015
Surface wave method was used for the estimation of Vs vs depth profile at 10 strong motion stations in Greece. The dispersion data were obtained by SASW method, utilizing a pair of electromechanical harmonic-wave source (shakers) or a random source (drop weight). In this study, three inversion techniques were used...
Science foundation Chapter 5 Appendix 5.1: Case study california ridgway's rail (Rallus obseoletus obsoletus)
Cory T. Overton, Julian Wood
2015, Report, The baylands and climate change what we can do: Baylands ecosystem habitat goals science update 2015
The clapper rail (Rallus longirostris) recently was split into two sister groups (Chesser et al. 2014) on the basis of phylogenetic analyses (Maley and Brumfield 2013). The original grouping is now represented on the East Coast of North America by the Clapper rail (Rallus crepitans) and on the West Coast...
Upstream dam passage and use of an eel ladder by the common watersnake (Nerodia sipedon)
Stuart A. Welsh, Zachary J. Loughman
2015, Herpetological Review (46) 176-179
No abstract available....
Science foundation Chapter 5 Appendix 5.1: Case study dabbling ducks
Gregory S. Yarris, Joshua T. Ackerman
2015, Report, The baylands and climate change what we can do: Baylands ecosystem habitat goals science update 2015
Dabbling ducks are the most abundant group of waterfowl that overwinter in the shallow wetlands and ponds of San Francisco Bay (SFB). Species within this group are primarily omnivorous, feeding on both plant material and macroinvertebrate prey by “tipping” to access benthic foods in bottom sediments or by foraging in...
Shaking intensity from injection-induced versus tectonic earthquakes in the central-eastern United States
Susan E. Hough
2015, The Leading Edge (34) 690-697
Although instrumental recordings of earthquakes in the central and eastern United States (CEUS) remain sparse, the U. S. Geological Survey's “Did you feel it?” (DYFI) system now provides excellent characterization of shaking intensities caused by induced and tectonic earthquakes. Seventeen CEUS events are considered between 2013 and 2015. It is...
Groundwater: The disregarded component in lake water and nutrient budgets, Part 1: Effects of groundwater on hydrology
Donald O. Rosenberry, Jorg Lewandowski, Karin Meinikmann, Gunnar Nutzmann
2015, Hydrological Processes (29) 2895-2921
Lake eutrophication is a large and growing problem in many parts of the world, commonly due to anthropogenic sources of nutrients. Improved quantification of nutrient inputs is required to address this problem, including better determination of exchanges between groundwater and lakes. This first of a two-part review provides a brief history of...
Factors affecting female space use in ten populations of prairie chickens
Virginia L. Winder, Kaylan M. Carrlson, Andrew J. Gregory, Christian A. Hagen, David A. Haukos, Dylan C. Kesler, Lena C. Larsson, Ty W. Matthews, Lance B. McNew, Michael Patten, Jim C. Pitman, Larkin A. Powell, Jennifer A. Smith, Tom Thompson, Donald H. Wolfe, Brett K. Sandercock
2015, Ecosphere (6) 1-17
Conservation of wildlife depends on an understanding of the interactions between animal movements and key landscape factors. Habitat requirements of wide-ranging species often vary spatially, but quantitative assessment of variation among replicated studies at multiple sites is rare. We investigated patterns of space use for 10 populations of two closely...
Potential application of radiogenic isotopes and geophysical methods to understand the hydrothermal dystem of the Upper Geyser Basin, Yellowstone National Park
James B. Paces, Andrew J. Long, Karl R. Koth
2015, Natural Resource Report NPS/YELL/NRR—2015/1077
Numerous geochemical and geophysical studies have been conducted at Yellowstone National Park to better understand the hydrogeologic processes supporting the thermal features of the Park. This report provides the first 87Sr/86Sr and 234U/238U data for thermal water from the Upper Geyser Basin (UGB) intended to evaluate whether heavy radiogenic isotopes...
