Phytoplankton community structure response to groundwater-borne nutrients in the inland bays, Delaware
Daniel Torre, Kathryn Coyne, Kevin D. Kroeger, Joanna K. York
2019, Marine Ecology Progress Series (624) 51-63
To determine the impacts of groundwater-borne nutrients on phytoplankton biomass and community structure, we conducted a series of mesocosm experiments in the Inland Bays of Delaware. Four treatments were tested, including mesocosms coupled directly to submarine groundwater seepage, mesocosms with the addition of pumped submarine groundwater, mesocosms with the...
Predicting surf zone injuries along the Delaware coast using a Bayesian network
Matthew Doelp, Jack A. Puleo, Nathaniel G. Plant
2019, Natural Hazards (98) 379-401
Personnel at Beebe Healthcare in Lewes, Delaware, collected surf zone injury (SZI) data for eight summer seasons from 2010 through 2017. Data include, but are not limited to, time of injury, gender, age, and activity. More than 2000 SZI events, including 196 spinal injuries and 6 fatalities, occurred at the...
Petrology and geochemistry of migrated hydrocarbons associated with the Albert Formation oil shale in New Brunswick, Canada
F. Goodarzi, T. Gentzis, C. Ozgen Karacan, H. Sanei, P.K. Pederson
2019, Fuel (256)
Samples of the Carboniferous oil shale of the Albert Formation in New Brunswick, Canada, were examined using reflected white and fluorescence light microscopy, Rock-Eval pyrolysis, and ICP-MS (for elements). The presence of fractured filled solid bitumen in contact with, and within the Albert Formation oil shale, particularly in fractures at...
The Islands of Oceania – Political geography, biogeography, and terrestrial ecosystems
Roger Sayre, Madeline Thomas Martin, Deniz Karagulle, Charlie Frye, Sean Breyer, Dawn Wright, Kevin Butler, Keith Van Graafeiland, Simone Maynard
2019, Ecosystem Services (39)
Humans are dependent upon ecosystems for the production of goods and services necessary for their well-being (Daily, 1997). As the service provider units (SPUs) for these benefits of nature (Anderson et al., 2015), ecosystems need to be managed in a way that maximizes their persistence on the planet. Part of...
Paleoliquefaction field reconnaissance in eastern North Carolina—Is there evidence for large magnitude earthquakes between the central Virginia seismic zone and Charleston seismic zone?
Mark W. Carter, Brett T. McLaurin
2019, Scientific Investigations Report 2019-5057
In June 2016, approximately 64 kilometers (km) of riverbank were examined along the Tar and Neuse Rivers near Tarboro and Kinston, North Carolina, for evidence of liquefaction-forming earthquakes. The study area is in the vicinity of the Grainger’s fault zone in eastern North Carolina. The Grainger’s fault zone is a...
Characterization of Big Chino subbasin hydrogeology near Paulden, Arizona, using controlled source audio-frequency magnetotelluric surveys
Jamie P. Macy, Bruce Gungle, Jon P. Mason
2019, Scientific Investigations Report 2019-5082
The Big Chino subbasin is located in central-northwest Arizona in the transition zone between the Colorado Plateau and the Basin and Range Province. The controlled source audio-frequency magnetotelluric (CSAMT) geophysical method, a low-impact, non-intrusive, electrical resistance sounding technique, was used to evaluate the subsurface hydrogeology of the southern third...
Spatial memory shapes migration and its benefits: Evidence from a large herbivore
Jerod A. Merkle, Hall Sawyer, Kevin L. Monteith, Samantha P. Dwinnell, Gary L. Fralick, Matthew Kauffman
2019, Ecology Letters (22) 1797-1805
From fine-scale foraging to broad-scale migration, animal movement is shaped by the distribution of resources. There is mounting evidence, however, that learning and memory also guide movement. Although migratory mammals commonly track resource waves, how resource tracking and memory guide long-distance migration has not been reconciled....
Comparative breeding ecology of Mississippi Kites in urban and exurban areas of West Texas
B.C. Welch-Acosta, B.R. Skipper, Clint W. Boal
2019, Journal of Field Ornithology (90) 248-257
Birds of prey are becoming increasingly common occupants of urbanized settings, but the comparative benefits or detriments they experience in urban environs compared to exurban areas are poorly understood. We examined the reproductive success and phenology of Mississippi Kites (Ictinia mississippiensis) nesting concurrently in urban and...
Citing aquatic monitoring data sets: Best practice recommendations for authoritative data citation
Sheryn J. Olson, Katie A Barnas, Margaret Williams, Christopher Wheaton, Michael Banach, Jennifer M. Bayer
2019, Report
The use of data generated from long term monitoring efforts necessitates accurate authoritative source citations of those data to ensure credit for data collected, and accountability for the data quality to enable repeated retrieval of a given data set. Data sets used in published reports and articles are increasingly being...
Management regime and habitat response influence abundance of regal fritillary (Speyeria idalia) in tallgrass prairie
K. McCullough, G. Albanese, David A. Haukos, A.M. Ricketts, S. Stratton
2019, Ecosphere (10)
The >2,570,000-ha Flint Hills ecoregion of Kansas, USA, harbors the largest remaining contiguous tract of tallgrass prairie in North America, a unique system, as the remainder of North America's tallgrass prairie has succumbed to development and conversion. Consequently, the loss and degradation of tallgrass prairie has reduced populations of many...
Physicochemical models of effusive rhyolitic eruptions constrained with InSAR and DEM data: A case study of the 2011-2012 Cordon Caulle eruption
Francisco Delgado, Julia Kubanek, Kyle R. Anderson, Paul Lundgren, Matthew E. Pritchard
2019, Earth and Planetary Science Letters (524) 1-14
The 9 month long 2011-2012 eruption of Cordon Caulle (Southern Andes, Chile) is the best instrumentally recorded rhyolitic eruption to date and the first time that the effusion of a rhyolitic flow has been observed in detail. We use Interferometric Synthetic Aperture Radar (InSAR), with time-lapse DEMs and numerical models...
Global positioning system tracking devices can decrease Greater Sage-Grouse survival
John P. Severson, Peter S. Coates, Brian G. Prochazka, Mark A. Ricca, Michael L. Casazza, David J Delahunty
2019, The Condor (121)
Reliable demographic estimates hinge on the assumption that marking animals does not alter their behavior, reproduction, or survival. Violations can bias inference and are especially egregious for species of high conservation concern. Global positioning system (GPS) devices represent a recent technological advancement that has contributed greatly to avian ecological studies...
Current state of knowledge on biological effects from contaminants on arctic wildlife and fish
Rune Dietz, Robert J. Letcher, Jean-Pierre Desforges, Igor Eulaers, Christian Sonne, Simon Wilson, Emilie Andersen-Ranberg, Niladri Basu, Benjamin D. Barst, Jan Ove Bustnes, Jenny Bytingsvik, Tomasz M. Ciesielski, Paul E. Drevnick, Geir W. Gabrielsen, Ane Haarr, Ketil Hylland, Bjorn Munro Jenssen, Milton Levin, Melissa A. McKinney, Rasmus Dyrmose Norregaard, Kathrine E. Pedersen, Jennifer Provencher, Bjarne Styrishave, Sabrina Tartu, Jon Aars, Joshua T. Ackerman, Aqqalu Rosing-Asvid, Rob Barrett, Anders Bignert, Erik W. Born, Marsha Branigan, Birgit Braune, Colleen E. Bryan, Maria Dam, Collin A. Eagles-Smith, Marlene S. Evans, Thomas J. Evans, Aaron T. Fisk, Mary Gamberg, Kim Gustavson, C. Alex Hartman, Bjorn Helander, Mark P. Herzog, Paul F. Hoekstra, Magali Houde, Katrin Hoydal, Allyson K. Jackson, John Kucklick, Elisabeth Lie, Lisa Loseto, Mark L. Mallory, Cecilie Miljeteig, Anders Mosbech, Derek C.G. Muir, Sanna Tuni Nielsen, Elizabeth Peacock, Sara Pedro, Sarah H. Peterson, Anuschka Polder, Frank F. Riget, Pat Roach, Halvor Saunes, Mikkel-Holger S. Sinding, Janneche U. Skaare, Jens Sondergaard, Garry Stenson, Gary Stern, Gabriele Treu, Stacy S. Schuur, Gisli Vikingsson
2019, Science of the Total Environment (696)
Since the last Arctic Monitoring and Assessment Programme (AMAP) effort to review biological effects of the exposure to organohalogen compounds (OHCs) in Arctic biota, there has been a considerable number of new Arctic effect studies. Here, we provide an update on the state of the knowledge of OHC, and also...
Adding invasive species bio-surveillance to the U.S. Geological Survey streamgage network
Adam J. Sepulveda, Christian Schmidt, Jon Amberg, Patrick R. Hutchins, Christian Stratton, Christopher A. Mebane, Matthew Laramie, David S. Pilliod
2019, Ecosphere (10)
The costs of invasive species in the United States alone are estimated to exceed US$100 billion per year so a critical tactic in minimizing the costs of invasive species is the development of effective, early-detection systems. To this end, we evaluated the efficacy of adding environmental (e)DNA surveillance to the...
A generically parameterized model of lake eutrophication (GPLake) that links field-, lab- and model-based knowledge
Manqi Chang, Sven Teurlincx, Donald L. DeAngelis, Jan H. Janse, Tineke A. Troost, Dianneke van Wijk, Wolf M. Mooij, Annette B. G. Janssen
2019, Science of the Total Environment (695)
Worldwide, eutrophication is threatening lake ecosystems. To support lake management numerous eutrophication models have been developed. Diverse research questions in a wide range of lake ecosystems are addressed by these models. The established models are based on three key approaches: the empirical approach that employs field surveys, the theoretical approach...
Tracking phosphorus and sediment sources and transport from fields and channels in Great Lakes Restoration Initiative priority watersheds
Tanja N. Williamson, Faith A. Fitzpatrick, Diana L. Karwan, Randall K. Kolka, Edward G. Dobrowolski, James D. Blount, Ethan D. Pawlowski
2019, Conference Paper
A multi-agency, integrated series of studies were initiated in 2017 under the Great Lakes Restoration Initiative (GLRI) by the U.S. Geological Survey, U.S. Forest Service, and the University of Minnesota to quantify the source, downstream travel time, and storage of particulate-bound phosphorus and sediment in agricultural tributaries to the Great...
Epidemic growth rates and host movement patterns shape management performance for pathogen spillover at the wildlife-livestock interface
K.R. Manlove, L. Sam, B. Borremans, E. Frances Cassirer, R. S. Miller, K. Pepin, T. E. Besser, Paul Cross
2019, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences (374)
Managing pathogen spillover at the wildlife–livestock interface is a key step towards improving global animal health, food security and wildlife conservation. However, predicting the effectiveness of management actions across host–pathogen systems with different life histories is an on-going challenge since data on intervention effectiveness are expensive to collect and results...
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane
Bronwen Wang, Chad P. Hults, Dennis D. Eberl, Laurel G. Woodruff, William F. Cannon, Larry P. Gough
2019, Professional Paper 1814-E
Soils collected along a predominately north-south transect in Alaska were used to evaluate regional differences in the soil mineralogy and geochemistry in the context of a geotectonic framework for Alaska. The approximately 1,395-kilometer-long transect followed the Dalton, Elliott, and Richardson Highways from near Prudhoe Bay to Valdez. Sites were selected...
Geophysical mapping of plume discharge to surface water at a crude oil spill site: Inversion versus machine learning
Neil Terry, Frederick D. Day-Lewis, John W. Lane Jr., Jared J. Trost, Barbara A. Bekins
2019, Geophysics (84) EN67-EN80
The interpretation of geophysical survey results to answer hydrologic, engineering, and geologic questions is critical to diverse problems for management of water, energy, and mineral resources. Although geophysical images provide valuable qualitative insight into subsurface architecture and conditions, translating geophysical images into quantitative information (e.g., saturation, concentration, and hydraulic properties)...
Immediate effects of hurricanes on a diverse coral/mangrove ecosystem in the U.S. Virgin Islands and the potential for recovery
Caroline Rogers
2019, Diversity (11)
Hurricanes Irma and Maria, two powerful storms that hit the U.S. Virgin Islands less than 2 weeks apart in September 2017, caused extensive damage to the natural resources on St. John. Damage was particularly severe in a unique mangrove/coral ecosystem in three bays within Virgin Islands Coral Reef National Monument,...
Eviction notice: Observation of a Common Tern (Sterna hirundo) usurping an active Least Tern (Sternula antillarum) Nest
Georgia J. Riggs, Jeffery D. Sullivan, Kayla M. Harvey, Dimitri A. Pappas, Jennifer L. Wall, Peter C. McGowan, Carl R. Callahan, Craig A. Koppie, Diann Prosser
2019, Northeastern Naturalist (26) 609-615
Although nest usurpation is common in some species and orders of birds, usurpation has rarely been reported for Sterninae. We observed a Sterna hirundo (Common Tern) egg in an active Sternula antillarum(Least Tern) nest with a complete clutch in a mixed-species Sterninae colony in Chesapeake Bay, MD, in May 2018. Based on observations...
Confronting models with data: The challenges of estimating disease spillover
Paul C. Cross, Diann Prosser, Andrew M. Ramey, Ephraim M. Hanks, Kim M. Pepin
2019, Philosophical Transactions of the Royal Society B: Biological Sciences (374)
For pathogens known to transmit across host species, strategic investment in disease control requires knowledge about where and when spillover transmission is likely. One approach to estimating spillover is to directly correlate observed spillover events with covariates. An alternative is to mechanistically combine information on host density, distribution, and pathogen...
Patterns of resource allocation in a coastal marsh plant (Schoenoplectus americanus) along a sediment-addition gradient
Nigel A. Temple, James B. Grace, Julia A Cherry
2019, Estuarine, Coastal and Shelf Science (228)
Reductions in sediment delivery to coastal marshes increase their vulnerability to relative sea-level rise. Sediment pulses from storm events and commercial dredge-spray operations (e.g., beneficial use) represent increasingly important sediment sources to otherwise sediment-deprived marshes. These sediments can stimulate plant growth by providing nutrient and elevation subsidies, with plant growth...
Interactions between resident risk perceptions and wildfire risk mitigation: Evidence from simultaneous equations modeling
James Meldrum, Hannah Brenkert-Smith, Patricia A. Champ, Jamie Gomez, Lilia C. Falk, Christopher M. Barth
2019, Fire (2)
Fire science emphasizes that mitigation actions on residential property, including structural hardening and maintaining defensible space, can reduce the risk of wildfire at a home. Accordingly, a rich body of social science literature investigates the determinants of wildfire risk mitigation behaviors of residents living in fire-prone areas. Here, we investigate...
Return of a giant: Coordinated conservation leads to the first wild reproduction of Lahontan Cutthroat Trout in the Truckee River in nearly a century
Robert Al-Chokhachy, Lisa Heki, Tim Loux, Roger Peka
2019, Fisheries (45) 63-73
Many freshwater fish populations have been greatly reduced, with particular loss of migratory fishes. Recovering depleted populations is challenging as threats are often plentiful and complex, especially in arid environments where demands for water resources are high. Here, we describe how a collaborative, multifaceted approach has spurred natural reproduction—a major...
