Manipulating wild and tamed phytobiomes: Challenges and opportunities
Terrence H. Bell, Kevin L. Hockett, Ricardo Ivan Alcala-Briseno, Mary Barbercheck, Gwyn A. Beattie, Mary Ann Bruns, John E. Carlson, Taejung Chung, Alyssa Collins, Bryan Emmett, Paul Esker, Karen Garrett, Leland Glenna, Beth K. Gugino, Maria del Mar Jimenez-Gasco, Linda Kinkel, Jasna Kovac, Kurt P. Kowalski, Gretchen Kuldau, Johan H. J. Leveau, Matthew J. Michalska-Smith, Jessica Myrick, Kari Peter, Maria Fernanda Vivanco Salazar, Ashley Shade, Nejc Stopnisek, Xiaoquing Tan, Amy T. Welty, Kyle Wickings, Etienne Yergeau
2019, Phytobiomes Journal (3) 3-21
This white paper presents a series of perspectives on current and future phytobiome management, discussed at the Wild and Tamed Phytobiomes Symposium in University Park, PA, USA, in June 2018. To enhance plant productivity and health, and to translate lab- and greenhouse-based phytobiome research to field applications, the academic community...
Detrital K-feldspar Pb isotopic evaluation of extraregional sediment transported through an Eocene tectonic breach of southern California's Cretaceous batholith
Danielle Ziva Shulaker, Marty Grove, Jeremy K. Hourigan, Nicholas Van Buer, Glenn R. Sharman, Keith A. Howard, Jonathan Miller, Andrew P. Barth
2019, Earth and Planetary Science Letters (508) 4-17
Sedimentary provenance studies have come to be overwhelmingly based upon U–Pb geochronologic measurements performed with detrital zircon while alternative and potentially complementary approaches such as conglomerate clast studies and heavy mineral analysis have faded in importance. Measurement of Pb isotopic compositions in detrital K-feldspar is among the under-utilized approaches available to ascertain sedimentary source regions. While it has...
Modeling elk‐to‐livestock transmission risk to predict hotspots of brucellosis spillover
Nathaniel D. Rayl, Kelly Proffitt, Emily S. Almberg, Jennifer D. Jones, Jerod Merkle, Justin A. Gude, Paul C. Cross
2019, Journal of Wildlife Management (83) 817-829
Wildlife reservoirs of infectious disease are a major source of human‐wildlife conflict because of the risk of potential spillover associated with commingling of wildlife and livestock. In the Greater Yellowstone Ecosystem, the presence of brucellosis (Brucella abortus) in free‐ranging elk (Cervus canadensis) populations is of significant management concern because of...
Climate, streamflow, and lake-level trends in the Great Lakes Basin of the United States and Canada, water years 1960–2015
Parker A. Norton, Daniel G. Driscoll, Janet M. Carter
2019, Scientific Investigations Report 2019-5003
Water levels in the Great Lakes fluctuate substantially because of complex interactions among inputs (precipitation and streamflow), outputs (evaporation and outflow), and other factors. This report by the U.S. Geological Survey in cooperation with the Great Lakes Restoration Initiative was completed to describe trends in climate, streamflow, lake levels, and...
Constraining the oxygen isotopic composition of nitrate produced by nitrification
Danielle S. Boshers, Julie Granger, Craig R. Tobias, J.K. Bohlke, Richard L. Smith
2019, Environmental Science & Technology (53) 1206-1216
Measurements of the stable isotope ratios of nitrogen (15N/14N) and oxygen (18O/16O) in nitrate (NO3–) enable identification of sources, dispersal, and fate of natural and contaminant NO3– in aquatic environments. The 18O/16O of NO3– produced by nitrification is often assumed to reflect the proportional contribution of oxygen atom sources, water, and molecular oxygen,...
Groundwater and surface-water data collection for Mason County, western Washington, 2016–18
Alison E. Tecca, Lonna M. Frans
2019, Data Series 1106
Groundwater levels and surface water flow measurements were collected from August 2016 to September 2018 to provide the Mason Conservation District and other stakeholders with basic knowledge of existing water resources in Mason County, Washington. Additionally, the data were collected with the intent of contributing to informed decision making about...
Migratory goose arrival time plays a larger role in influencing forage quality than advancing springs in an Arctic coastal wetland
Karen H. Beard, Ryan T. Choi, A. Joshua Leffer, Lindsay Carlson, Katharine C. Kelsey, Joel A. Schmutz, Jeffrey Welker
2019, PLoS ONE (14)
With warmer springs, herbivores migrating to Arctic breeding grounds may experience phenological mismatches between their energy demands and the availability of high quality forage. However, the timing of high quality forage relative to the timing of grazing is often unknown. In coastal western Alaska, approximately one million migratory geese arrive...
Winter precipitation and summer temperature predict lake water quality at macroscales
S. M. Collins, S. Yuan, P. N. Tan, S. K. Oliver, J. F. Lapierre, K. S. Cheruvelil, C. E. Fergus, N. K. Skaff, J. Stachelek, Tyler Wagner, P. A. Soranno
2019, Water Resources Research (55) 2708-2721
Climate change can have strong effects on aquatic ecosystems, including disrupting nutrient cycling and mediating processes that affect primary production. Past studies have been conducted mostly on individual or small groups of ecosystems, making it challenging to predict how future climate change will affect water quality at broad scales. We...
Flood-inundation maps for the Yellow River from River Drive to Centerville Highway, Gwinnett County, Georgia
Jonathan W. Musser
2019, Scientific Investigations Report 2019-5009
Digital flood-inundation maps for a 16.4-mile reach of the Yellow River in Gwinnett County, Georgia, from 0.5 mile upstream from River Drive to Centerville Highway (Georgia State Route 124) were developed to depict estimates of the areal extent and depth of flooding corresponding to selected water levels (stages) at two...
Widespread global peatland establishment and persistence over the last 130,000 y
Claire C. Treat, Thomas Kleinen, Nils Broothaerts , April S. Dalton, Rene Dommain, Thomas A. Douglas, Judith Z. Drexler, Sarah A Finkelstein, Guido Grosse, Geoffrey Hope, Jack Hutchings, Miriam C. Jones, Peter Kuhry, Terri Lacourse, Outi Lahteenoja, Julie Loisel, Bastiaan Notebaert, Richard Payne, Dorothy M. Peteet, A. Britta K. Sannel, Jonathan M. Stelling, Jens Strauss, Graeme T. Swindles, Julie Talbot, Charles Tarnocai, Gert Verstraeten, Christopher J. Williams , Zhengyu Xia, Zicheng Yu, Minna Valiranta, Martina Hattestrand, Helena Alexanderson, Victor Brovkin
2019, PNAS (116) 4822-4827
Glacial−interglacial variations in CO2 and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually unknown. We present a study of global peatland extent and carbon (C) stocks...
Leakage and increasing fluid pressure detected in Oklahoma's wastewater disposal reservoir
Andrew J. Barbour, Lian Xu, Evelyn Roeloffs, Justin L. Rubinstein
2019, Journal of Geophysical Research 2896-2919
The Arbuckle Group is the principal reservoir used for wastewater disposal in Oklahoma. In Osage County—a seismically quiet part of the state—continuous measurements of fluid pressure reveal that pressure in the reservoir is increasing by at least 5 kPa annually and sometimes at a much higher rate. Tidal analysis reveals...
Flood-inundation maps of the Meramec River from Eureka to Arnold, Missouri, 2018
Benjamin J. Dietsch, Kellan R. Strauch
2019, Scientific Investigations Report 2019-5004
Libraries of digital flood-inundation maps that spanned a combined 37.2-mile reach of the Meramec River that extended upstream from Eureka, Missouri, to downstream near the confluence of the Meramec and Mississippi Rivers were created by the U.S. Geological Survey (USGS) in cooperation with the U.S. Army Corps of Engineers, Metropolitan...
Water-balance modeling of selected lakes for evaluating viability as long-term fisheries in Kidder, Logan, and Stutsman Counties, North Dakota
Robert F. Lundgren, Benjamin C. York, Nathan A. Stroh, Aldo V. Vecchia
2019, Scientific Investigations Report 2019-5007
Water levels in lakes and wetlands in the central North Dakota Missouri Coteau region that were either dry or only sporadically held water since before the 1930s have been rising since the early 1990s in response to an extended wet period. The lakes have remained full since the mid-1990s, which...
Earthquake stress drop and Arias Intensity
Annemarie S. Baltay, Thomas C. Hanks, Norman A. Abrahamson
2019, Journal of Geophysical Research B: Solid Earth (124) 3838-3852
We determine earthquake stress drops directly from the Arias intensity database of NGA-West2. Arias intensity (Arias, 1970) is an engineering measure proportional to the integral of the absolute value of acceleration squared, over the significant duration of the signal. As such, it is closely related to root-mean-square acceleration, and can...
Accounting for phenology in the analysis of animal movement
Henry R. Scharf, Mevin Hooten, Ryan R. Wilson, George M. Durner, Todd C. Atwood
2019, Biometrics (75) 810-820
The analysis of animal tracking data provides important scientific understanding and discovery in ecology. Observations of animal trajectories using telemetry devices provide researchers with information about the way animals interact with their environment and each other. For many species, specific geographical features in the landscape can have a strong effect...
Mississippi river sediment diversions and coastal wetland sustainability: Synthesis of responses to freshwater, sediment, and nutrient inputs
Tracy Elsey-Quirk, Sean A. Graham, Irving A. Mendelssohn, Gregg Snedden, John W. Day, Gary P. Shaffer, Leigh Anne Sharp, Robert R. Twilley, James Pahl, R.R. Lane
2019, Estuarine, Coastal and Shelf Science (221) 170-183
Management and restoration of coastal wetlands require insight into how inundation, salinity, and the availability of mineral sediment and nutrients interact to influence ecosystem functions that control sustainability. The Mississippi River Delta, which ranks among the world's largest and most productive coastal wetland complexes, has experienced extensive deterioration over the...
Stream characteristics associated with feeding type in silver(Ichthyomyzon unicuspis) and northern brook (I. fossor) lampreys and tests for phenotypic plasticity
Fraser Neave, Todd B. Steeves, Thomas C. Pratt, Robert L. McLaughlin, Jean V. Adams, Margaret F. Docker
2019, Environmental Biology of Fishes (102) 615-627
In most lamprey genera, “paired” species exist in which the larvae are morphologically indistinguishable but adult feeding type differs. The lack of diagnostic genetic differences in many pairs has led to suggestions that they constitute a single gene pool with environmentally influenced feeding types. To investigate whether stream characteristics are...
Resource concentration mechanisms facilitate foraging success in simulations of a pulsed oligotrophic wetland
Simeon Yurek, Donald L. DeAngelis
2019, Landscape Ecology (34) 583-601
ContextMovement of prey on hydrologically pulsed, spatially heterogeneous wetlands can result in transient, high prey concentrations, when changes in landscape features such as connectivity between flooded areas alternately facilitate and impede prey movement. Predators track and exploit these concentrations, depleting them as they arise.<div id="ASec2"...
Applying the Community Ice Sheet Model to evaluate PMIP3 LGM climatologies over the North American ice sheets
Jay R. Alder, Steven W. Hostetler
2019, Climate Dynamics (53) 2807-2824
We apply the Community Ice Sheet Model (CISM2) to determine the extent to which the Last Glacial Maximum (LGM) temperature and precipitation climatologies from the Paleoclimate Modelling Intercomparison Project 3 (PMIP3) simulations support the large North American ice sheets that were prescribed as a boundary condition. We force CISM2 with...
Flooding regimes increase avian predation on wildlife prey in tidal marsh ecosystems
Karen M. Thorne, Kyle A. Spragens, Kevin J. Buffington, Jordan A. Rosencranz, John Takekawa
2019, Ecology and Evolution (9) 1083-1094
Within isolated and fragmented populations, species interactions such as predation can cause shifts in community structure and demographics in tidal marsh ecosystems. It is critical to incorporate species interactions into our understanding when evaluating the effects of sea‐level rise and storm surges on tidal marshes. In...
Flood-inundation maps for Lake Champlain in Vermont and New York
Robert H. Flynn, Laura Hayes
2019, Scientific Investigations Report 2018-5169
In 2016, digital flood-inundation maps along the shoreline of Lake Champlain in Addison, Chittenden, Franklin, and Grand Isle Counties in Vermont and northern Clinton County in New York were created by the U.S. Geological Survey (USGS) in cooperation with the International Joint Commission (IJC). This report discusses the creation of...
Florida Coastal Mapping Program—Overview and 2018 workshop report
Cheryl J. Hapke, Philip A. Kramer, Elizabeth H. Fetherston-Resch, Rene D. Baumstark, Ryan Druyor, Xan Fredericks, Ekaterina Fitos
2019, Open-File Report 2019-1017
The Florida Coastal Mapping Program is a nascent but highly relevant program that has the potential to greatly enhance the “Blue Economy” of Florida by coordinating and facilitating sea-floor mapping efforts and aligning partner and stakeholder activities for increased efficiency and cost reduction. Sustained acquisition of modern coastal mapping information...
Validating a time series of annual grass percent cover in the sagebrush ecosystem
Stephen P. Boyte, Bruce K. Wylie, Donald J. Major
2019, Rangeland Ecology and Management (72) 347-359
We mapped yearly (2000–2016) estimates of annual grass percent cover for much of the sagebrush ecosystem of the western United States using remotely sensed, climate, and geophysical data in regression-tree models. Annual grasses senesce and cure by early summer and then become beds of fine fuel that easily ignite and spread fire through rangeland systems. Our...
Evidence for plunging river plume deposits in the Pahrump Hills member of the Murray formation, Gale crater, Mars
Kathryn M. Stack, John P. Grotzinger, Michael P. Lamb, Sanjeev Gupta, David M. Rubin, Linda C. Kah, Lauren A. Edgar, Deirdra M. Fey, Joel A. Hurowitz, Marie J. McBride, Frances Rivera-Hernandez, Dawn Y. Sumner, Jason K. Van Beek, Rebecca M. E. Williams, R. Aileen Yingst
2019, Sedimentology (66) 1768-1801
Recent robotic missions to Mars have offered new insights into the extent, diversity and habitability of the Martian sedimentary rock record. Since the Curiosity rover landed in Gale crater in August 2012, the Mars Science Laboratory Science Team has explored the origins and habitability of ancient fluvial, deltaic, lacustrine and aeolian deposits...
Modelling sea lice control by lumpfish on Atlantic salmon farms: interactions with mate limitation, temperature, and treatment rules
Gregor F. McEwan, Maya L. Groner, Allegra A. B. Cohen, Albert K. D. Imsland, Crawford W. Revie
2019, Diseases of Aquatic Organisms (133) 69-82
Atlantic salmon farming is one of the largest aquaculture sectors in the world. A major impact on farm economics, fish welfare, and potentially nearby wild salmonid populations, is the sea louse ectoparasite Lepeophtheirus salmonis. Sea louse infestations are most often controlled through application of chemicals, but in most farming regions sea...
