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Turtles: Freshwater
J. Whitfield Gibbons, Jeffrey E. Lovich, R.M. Bowden
2017, Book chapter, Reference module in life sciences
With their iconic shells, turtles are morphologically distinct in being the only extant or extinct vertebrate animals to have their shoulders and hips inside their rib cages. By the time an asteroid hit the earth 65.5 million years ago, causing the extinction of dinosaurs, turtles were already an ancient lineage...
Food web conceptual model
Rosemary Hartman, Larry R. Brown, Jim Hobbs
2017, Interagency Ecological Program Technical Report 91
This chapter describes a general model of food webs within tidal wetlands and represents how physical features of the wetland affect the structure and function of the food web. This conceptual model focuses on how the food web provides support for (or may reduce support for) threatened fish species. This...
LAGOS-NE: a multi-scaled geospatial and temporal database of lake ecological context and water quality for thousands of US lakes
Patricia A. Soranno, Linda C. Bacon, Michael Beauchene, Karen E. Bednar, Edward G. Bissell, Claire K. Boudreau, Marvin G. Boyer, Mary T. Bremigan, Stephen R. Carpenter, Jamie W. Carr, Kendra S. Cheruvelil, Samuel T. Christel, Matt Claucherty, Sarah M. Collins, Joseph D. Conroy, John A. Downing, Jed Dukett, C. Emi Fergus, Christopher T. Filstrup, Clara Funk, Maria J. Gonzalez, Linda T. Green, Corinna Gries, John D. Halfman, Stephen K. Hamilton, Paul C. Hanson, Emily N. Henry, Elizabeth M. Herron, Celeste Hockings, James R. Jackson, Kari Jacobson-Hedin, Lorraine L. Janus, William W. Jones, John R. Jones, Caroline M. Keson, Katelyn B.S. King, Scott A. Kishbaugh, Jean-Francois Lapierre, Barbara Lathrop, Jo A. Latimore, Yuehlin Lee, Noah R. Lottig, Jason A. Lynch, Leslie J. Matthews, William H. McDowell, Karen E.B. Moore, Brian Neff, Sarah J. Nelson, Samantha K. Oliver, Michael L. Pace, Donald C. Pierson, Autumn C. Poisson, Amina I. Pollard, David M. Post, Paul O. Reyes, Donald Rosenberry, Karen M. Roy, Lars G. Rudstam, Orlando Sarnelle, Nancy J. Schuldt, Caren E. Scott, Nicholas K. Skaff, Nicole J. Smith, Nick R. Spinelli, Joseph J. Stachelek, Emily H. Stanley, John L. Stoddard, Scott B. Stopyak, Craig A. Stow, Jason M. Tallant, Pang-Ning Tan, Anthony P. Thorpe, Michael J. Vanni, Tyler Wagner, Gretchen Watkins, Kathleen C. Weathers, Katherine E. Webster, Jeffrey D. White, Marcy K. Wilmes, Shuai Yuan
2017, GigaScience (6) 1-22
Understanding the factors that affect water quality and the ecological services provided by freshwater ecosystems is an urgent global environmental issue. Predicting how water quality will respond to global changes not only requires water quality data, but also information about the ecological context of individual water bodies across broad spatial...
Importance of fishing as a segmentation variable in the application of a social worlds model
Larry M. Gigliotti, Loren Chase
2017, Proceedings of the South Dakota Academy of Science (96) 58-76
Market segmentation is useful to understanding and classifying the diverse range of outdoor recreation experiences sought by different recreationists. Although many different segmentation methodologies exist, many are complex and difficult to measure accurately during in-person intercepts, such as that of creel surveys. To address that gap in the literature, we...
Decaying lava extrusion rate at El Reventador Volcano, Ecuador measured using high-resolution satellite radar
D. W. D. Arnold, J. Biggs, Kyle R. Anderson, S. Vallejo Vargas, G. Wadge, S. K. Ebmeier, M. F. Naranjo, P. Mothes
2017, Journal of Geophysical Research B: Solid Earth (122) 9966-9988
Lava extrusion at erupting volcanoes causes rapid changes in topography and morphology on the order of tens or even hundreds of meters. Satellite radar provides a method for measuring changes in topographic height over a given time period to an accuracy of meters, either by measuring the width of radar...
Wildlife value orientation stability among South Dakota residents: Setting the stage for a longitudinal analysis
Larry M. Gigliotti, Andrew W. Don Carlos
2017, Proceedings of the South Dakota Academy of Science (96) 77-93
The concept of wildlife value orientations (WVOs) has been useful for understanding the diversity of public interests in wildlife management and has been shown to be a strong predictor of public attitudes towards a wide range of wildlife management actions and policies. WVOs consist of two predominant value orientations (domination...
Community tools for cartographic and photogrammetric processing of Mars Express HRSC images
Randolph L. Kirk, Elpitha Howington-Kraus, Kenneth L. Edmundson, Bonnie L. Redding, Donna M. Galuszka, Trent M. Hare, K. Gwinner
B. Wu, K. Di, J. Oberst, I. Karachevtseva, editor(s)
2017, Conference Paper, Proceedings: 2017 international symposium on planetary remote sensing and mapping (Volume XLII-3/W1)
The High Resolution Stereo Camera (HRSC) on the Mars Express orbiter (Neukum et al. 2004) is a multi-line pushbroom scanner that can obtain stereo and color coverage of targets in a single overpass, with pixel scales as small as 10 m at periapsis. Since commencing operations in 2004 it has imaged...
Correcting spacecraft jitter in HiRISE images
S. S. Sutton, A.K. Boyd, Randolph L. Kirk, Debbie Cook, Jean Backer, A. Fennema, R. Heyd, A.S. McEwen, S.D. Mirchandani
B. Wu, K. Di, J. Oberst, I. Karachevtseva, editor(s)
2017, Conference Paper, Proceedings: 2017 international symposium on planetary remote sensing and mapping (Volume XLII-3/W1)
Mechanical oscillations or vibrations on spacecraft, also called pointing jitter, cause geometric distortions and/or smear in high resolution digital images acquired from orbit. Geometric distortion is especially a problem with pushbroom type sensors, such as the High Resolution Imaging Science Experiment (HiRISE) instrument on board the Mars Reconnaissance Orbiter (MRO)....
Groundwater model of the Great Basin carbonate and alluvial aquifer system version 3.0: Incorporating revisions in southwestern Utah and east central Nevada
Lynette E. Brooks
2017, Scientific Investigations Report 2017-5072
The groundwater model described in this report is a new version of previously published steady-state numerical groundwater flow models of the Great Basin carbonate and alluvial aquifer system, and was developed in conjunction with U.S. Geological Survey studies in Parowan, Pine, and Wah Wah Valleys, Utah....
Development of the next generation of seismic design value maps for the 2020 NEHRP Provisions
Ronald Hamburger, David Bonneville, C.B. Crouse, James D. Dolan, Ben Enfield, Julie Furr, Robert Hanson, James A. Harris, John Heintz, William Holmes, Jon Hooper, Charles Kircher, Nico Luco, Steven McCabe, Robert Pekelnicky, Jon Siu, Sanaz Rezaeian, Philipp Schneider, Jonathan P. Stewart, Siamak Sattar, Mai Tong, Jiqiu Yuan
2017, Report
During the period January 2015 through August 2018, a joint committee of U.S. Geological Survey (USGS) representatives and National Institute of Building Sciences Building Seismic Safety Council (BSSC) volunteers and staff formed a committee to conduct Project 17. The purpose of Project 17 was to formulate recommendations for the rules...
Constraining the magmatic system at Mount St. Helens (2004–2008) using Bayesian inversion with physics-based models including gas escape and crystallization
Ying-Qi Wong, Paul Segall, Andrew Bradley, Kyle R. Anderson
2017, Journal of Geophysical Research B: Solid Earth (122) 7789-7812
Physics-based models of volcanic eruptions track conduit processes as functions of depth and time. When used in inversions, these models permit integration of diverse geological and geophysical data sets to constrain important parameters of magmatic systems. We develop a 1-D steady state conduit model for effusive eruptions including equilibrium crystallization...
Progress and lessons learned from water-quality monitoring networks
Donna N. Myers, Amy S. Ludtke
2017, Book chapter, The science behind sustaining the world's most crucial resource
Stream-quality monitoring networks in the United States were initiated and expanded after passage of successive federal water-pollution control laws from 1948 to 1972. The first networks addressed information gaps on the extent and severity of stream pollution and served as early warning systems for spills. From 1965 to 1972, monitoring...
The hyper-enrichment of V and Zn in black shales of the Late Devonian-Early Mississippian Bakken Formation (USA)
Clint Scott, John F. Slack, Karen Duttweiler Kelley
2017, Chemical Geology (452) 24-33
Black shales of the Late Devonian to Early Mississippian Bakken Formation are characterized by high concentrations of organic carbon and the hyper-enrichment (> 500 to 1000s of mg/kg) of V and Zn. Deposition of black shales resulted from shallow seafloor depths that promoted rapid development of euxinic conditions. Vanadium hyper-enrichments, which...
Conceptual model for invasive bivalve control on wetland productivity
Rosemary Hartman, Larry R. Brown, Janet K. Thompson, Francis Parchaso
2017, Interagency Ecological Program Technical Report 91
Tidal wetlands were the historically dominant features of many coastal regions around the world, including the San Francisco Estuary (Callaway et al. 2011; Whipple et al. 2012). These mosaics of varied interconnected habitats (Mitsch and Gosselink 1993) provide a host of ecosystem services, including biodiversity maintenance, fish and wildlife habitat,...
Volcanic ash and aviation–The challenges of real-time, global communication of a natural hazard
Peter Lechner, Andrew C. Tupper, Marianne C. Guffanti, Sue Loughlin, Thomas Casadevall
2017, Book chapter, Advances in Volcanology
More than 30 years after the first major aircraft encounters with volcanic ash over Indonesia in 1982, it remains challenging to inform aircraft in flight of the exact location of potentially dangerous ash clouds on their flight path, particularly shortly after the eruption has occurred. The difficulties include reliably forecasting...
Combining remote sensing and water-balance evapotranspiration estimates for the conterminous United States
Meredith Reitz, Gabriel B. Senay, Ward E. Sanford
2017, Remote Sensing (9)
Evapotranspiration (ET) is a key component of the hydrologic cycle, accounting for ~70% of precipitation in the conterminous U.S. (CONUS), but it has been a challenge to predict accurately across different spatio-temporal scales. The increasing availability of remotely sensed data has led to significant advances in the frequency and spatial...
Concepts and practices: Estimating abundance of prey species using hierarchical model-based approaches
Robert Dorazio, N. Samba Kumar, J. Andrew Royle, Arjun M. Gopalaswamy
2017, Book chapter, Methods for monitoring tiger and prey populations
Tigers predominantly prey on large ungulate species, such as sambar (Cervus unicolor), red deer (Cervus elaphus), gaur (Bos gaurus), banteng (Bos javanicus), chital (Axis axis), muntjac (Muntiacus muntjak), wild pig (Sus scrofa), and bearded pig (Sus barbatus). The density of a tiger population is strongly correlated with the density of...
A seasonal and spatial comparison of metals, and stable carbon and nitrogen isotopes, in Chincoteague Bay and the marsh deposits of Assateague Island and the adjacent vicinity, Maryland and Virginia
Alisha M. Ellis, Christopher G. Smith
2017, Data Series 1059
After Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and sandy overwash surface sediments from Chincoteague Bay, Tom’s Cove, and the surrounding Assateague Island and Delmarva Peninsula in March–April and October 2014. Surplus surface sediment was...
Spatially explicit dynamic N-mixture models
Qing Zhao, J. Andrew Royle, G. Scott Boomer
2017, Population Ecology (59) 293-300
Knowledge of demographic parameters such as survival, reproduction, emigration, and immigration is essential to understand metapopulation dynamics. Traditionally the estimation of these demographic parameters requires intensive data from marked animals. The development of dynamic N-mixture models makes it possible to estimate demographic parameters from count data of unmarked animals, but...
The value of information for woodland management: Updating a state–transition model
William K. Morris, Michael C. Runge, Peter A. Vesk
2017, Ecosphere (8) 1-12
Value of information (VOI) analyses reveal the expected benefit of reducing uncertainty to a decision maker. Most ecological VOI analyses have focused on population models rarely addressing more complex community models. We performed a VOI analysis for a complex state–transition model of Box-Ironbark Forest and Woodland management. With three management...
Application of synthetic scenarios to address water resource concerns: A management-guided case study from the Upper Colorado River Basin
Stephanie A. McAfee, Gregory T. Pederson, Connie A. Woodhouse, Gregory J. McCabe
2017, Climate Services (8) 26-35
Water managers are increasingly interested in better understanding and planning for projected resource impacts from climate change. In this management-guided study, we use a very large suite of synthetic climate scenarios in a statistical modeling framework to simultaneously evaluate how (1) average temperature and precipitation changes, (2) initial basin conditions,...
Estimating rupture distances without a rupture
Eric M. Thompson, Charles Worden
2017, Bulletin of the Seismological Society of America (10) 1-9
Most ground motion prediction equations (GMPEs) require distances that are defined relative to a rupture model, such as the distance to the surface projection of the rupture (RJB) or the closest distance to the rupture plane (RRUP). There are a number of situations in which GMPEs are used where it...
Estimating virus occurrence using Bayesian modeling in multiple drinking water systems of the United States
Eunice A. Varughese, Nichole E Brinkman, Emily M Anneken, Jennifer S Cashdollar, G. Shay Fout, Edward T. Furlong, Dana W. Kolpin, Susan T. Glassmeyer, Scott P Keely
2017, Science of the Total Environment (619-620) 1330-1339
Drinking water treatment plants rely on purification of contaminated source waters to provide communities with potable water. One group of possible contaminants are enteric viruses. Measurement of viral quantities in environmental water systems are often performed using polymerase chain reaction (PCR) or quantitative PCR (qPCR). However, true values may be...
Regionalizing indicators for marine ecosystems: Bering Sea–Aleutian Island seabirds, climate, and competitors
William J. Sydeman, Sarah Ann Thompson, John F. Piatt, Marisol García-Reyes, Stephani Zador, Jeffrey C. Williams, Marc Romano, Heather Renner
2017, Ecological Indicators (78) 458-469
Seabirds are thought to be reliable, real-time indicators of forage fish availability and the climatic and biotic factors affecting pelagic food webs in marine ecosystems. In this study, we tested the hypothesis that temporal trends and interannual variability in seabird indicators reflect simultaneously occurring bottom-up (climatic) and competitor (pink salmon) forcing of food...
Advancing mangrove macroecology
Victor H. Rivera-Monroy, Michael J. Osland, John W. Day, Santanu Ray, Andre S. Rovai, Richard H. Day, Joyita Mukherjee
Victor H. Rivera-Monroy, Shing Yip Lee, Erik Kristensen, Robert R. Twilley, editor(s)
2017, Book chapter, Mangrove ecosystems: A global biogeographic perspective
Mangrove forests provide a wide range of ecosystem services to society, yet they are among the most anthropogenically impacted coastal ecosystems in the world. In this chapter, we discuss and provide examples for how macroecology can advance our understanding of mangrove ecosystems. Macroecology is broadly defined as a discipline that...