A 2-D process-based model for suspended sediment dynamics: A first step towards ecological modeling
F. M. Achete, M. van der Wegen, D. Roelvink, B. Jaffe
2015, Hydrology and Earth System Sciences (19) 2837-2857
In estuaries suspended sediment concentration (SSC) is one of the most important contributors to turbidity, which influences habitat conditions and ecological functions of the system. Sediment dynamics differs depending on sediment supply and hydrodynamic forcing conditions that vary over space and over time. A robust sediment transport model is a...
Representativeness of soil samples collected to assess mining-related contamination of flood plains in southeast Kansas
Kyle E. Juracek
2015, Conference Paper, 2015 Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling (SEDHYD 2015)
Historical lead and zinc mining in the Tri-State Mining District (TSMD), located in parts of southeast Kansas, southwest Missouri, and northeast Oklahoma, has resulted in a substantial ongoing input of lead and zinc to the environment (Juracek, 2006; Juracek and Becker, 2009). In response to concern about the mining-related contamination,...
The effects of harvest regulations on behaviors of duck hunters
Matthew T. Haugen, Larkin A. Powell, Mark P. Vrtiska, Kevin L. Pope
2015, Human Dimensions of Wildlife: An International Journal (20) 15-29
Uncertainty exists as to how duck harvest regulations influence waterfowl hunter behavior. We used the U.S. Fish and Wildlife Service’s Parts Collection Survey to examine how harvest regulations affected behaviors of Central Flyway duck hunters. We stratified hunters into ranked groups based on seasonal harvest and identified three periods (1975–1984,...
Movement patterns and dispersal potential of Pecos bluntnose shiner (Notropis simus pecosensis) revealed using otolith microchemistry
Nathan M. Chase, Colleen A. Caldwell, Scott A. Carleton, William R. Gould, James A. Hobbs
2015, Canadian Journal of Fisheries and Aquatic Sciences (72) 1575-1583
Natal origin and dispersal potential of the federally threatened Pecos bluntnose shiner (Notropis simus pecosensis) were successfully characterized using otolith microchemistry and swimming performance trials. Strontium isotope ratios (87Sr:86Sr) of otoliths within the resident plains killifish (Fundulus zebrinus) were successfully used as a surrogate for strontium isotope ratios in water...
Blood lead exposure concentrations in mottled ducks (Anas fulvigula) on the upper Texas coast
Stephen K. McDowell, Warren C. Conway, David A. Haukos, Jena A. Moon, Christopher E. Comer, I-Kuai Hung
2015, Journal of the Southeastern Association of Fish and Wildlife Agencies (2) 221-228
The mottled duck (Anas fulvigula) is a non-migratory waterfowl species dependent upon coastal marsh systems, including those on the Texas Chenier Plain National Wildlife Refuge (NWR) Complex, and considered a regional indicator species of marsh habitat quality. Research from the early 1970s, 1990s, and early-2000s indicated that mottled ducks continued...
Guidelines for evaluating performance of oyster habitat restoration
Lesley P. Baggett, Sean P. Powers, Robert D. Brumbaugh, Loren D. Coen, Bryan M. DeAngelis, Jennifer K. Greene, Boze T. Hancock, Summer M. Morlock, Brian L. Allen, Denise L. Breitburg, David Bushek, Jonathan H. Grabowski, Raymond E. Grizzle, Edwin D. Grosholz, Megan K. LaPeyre, Mark W. Luckenbach, Kay A. McGraw, Michael F. Piehler, Stephanie R. Westby, Philine S. E. zu Ermgassen
2015, Restoration Ecology (23) 737-745
Restoration of degraded ecosystems is an important societal goal, yet inadequate monitoring and the absence of clear performance metrics are common criticisms of many habitat restoration projects. Funding limitations can prevent adequate monitoring, but we suggest that the lack of accepted metrics to address the diversity of restoration objectives also...
Physiological preparedness and performance of Atlantic salmon Salmo salar smolts in relation to behavioural salinity preferences and thresholds
D.S. Stich, G.B. Zydlewski, Joseph D. Zydlewski
2015, Journal of Fish Biology (88) 595-617
This study investigated the relationships between behavioural responses of Atlantic salmon Salmo salarsmolts to saltwater (SW) exposure and physiological characteristics of smolts in laboratory experiments. It concurrently described the behaviour of acoustically tagged smolts with respect to SW and tidal cycles during estuary migration. Salmo salar smolts increased their use of SW relative...
Estimating spawning times of Alligator Gar (Atractosteus spatula) in Lake Texoma, Oklahoma
Richard A. Snow, James M. Long
2015, Proceedings of the Oklahoma Academy of Science (95) 46-53
In 2013, juvenile Alligator Gar were sampled in the reservoir-river interface of the Red River arm of Lake Texoma. The Red River, which flows 860 km along Oklahoma’s border with Texas, is the primary in-flow source of Lake Texoma, and is impounded by Denison Dam. Minifyke nets were deployed using...
Cr(VI) occurrence and geochemistry in water from public-supply wells in California
John A. Izbicki, Michael Wright, Whitney A. Seymour, R. Blaine McCleskey, Miranda S. Fram, Kenneth Belitz, Bradley K. Esser
2015, Applied Geochemistry (63) 203-217
Hexavalent chromium, Cr(VI), in 918 wells sampled throughout California between 2004 and 2012 by the Groundwater Ambient Monitoring and Assessment-Priority Basin Project (GAMA-PBP) ranged from less than the study reporting limit of 1 microgram per liter (μg/L) to 32 μg/L. Statewide, Cr(VI) was reported in 31 percent of wells and equaled...
A predictive model to inform adaptive management of double-crested cormorants and fisheries in Michigan
Iyob Tsehaye, Michael L. Jones, Brian J. Irwin, David G. Fielder, James E. Breck, David R. Luukkonen
2015, Natural Resource Modeling (28) 348-376
The proliferation of double-crested cormorants (DCCOs; Phalacrocorax auritus) in North America has raised concerns over their potential negative impacts on game, cultured and forage fishes, island and terrestrial resources, and other colonial water birds, leading to increased public demands to reduce their abundance. By combining fish surplus production and bird functional...
Context of ancient aqueous environments on Mars from in situ geologic mapping at Endeavour Crater
L.S. Crumpler, R. E. Arvidson, J. Bell, B. C. Clark, B. A. Cohen, W. H. Farrand, Ralf Gellert, M. Golombek, J. A. Grant, E. Guinness, Kenneth E. Herkenhoff, J. R. Johnson, B. Jolliff, D. W. Ming, D. W. Mittlefehldt, T. Parker, J. W. Rice Jr., S. W. Squyres, R. Sullivan, A. S. Yen
2015, Journal of Geophysical Research E: Planets (120) 538-569
Using the Mars Exploration Rover Opportunity, we have compiled one of the first field geologic maps on Mars while traversing the Noachian terrain along the rim of the 22 km diameter Endeavour Crater (Latitude −2°16′33″, Longitude −5°10′51″). In situ mapping of the petrographic, elemental, structural, and stratigraphic characteristics of outcrops and rocks...
Implications of climate and land use change
Jefferson S. Hall, Enrique Murgueitio, Zoraida Calle, Ciara Raudsepp-Hearne, Robert F. Stallard, Patricia Balvanera
Jefferson S. Hall, Vanessa Kirn, Estrella Yanguas-Fernandez, editor(s)
2015, Book chapter, Managing watersheds for ecosystem services in the steepland neotropics
This chapter relates ecosystem services to climate change and land use. The bulk of the chapter focuses on ecosystem services and steepland land use in the humid Neotropics – what is lost with land-cover changed, and what is gained with various types of restoration that are sustainable given private ownership....
Relations between soil hydraulic properties and burn severity
John A. Moody, Brian A. Ebel, Petter Nyman, Deborah A. Martin, Cathelijne R. Stoof, Randy McKinley
2015, International Journal of Wildland Fire (25) 279-293
Wildfire can affect soil hydraulic properties, often resulting in reduced infiltration. The magnitude of change in infiltration varies depending on the burn severity. Quantitative approaches to link burn severity with changes in infiltration are lacking. This study uses controlled laboratory measurements to determine relations between a remotely sensed burn severity...
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...
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...
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...
Head-of-tide bottleneck of particulate material transport from watersheds to estuaries
Scott H. Ensign, Gregory E. Noe, Cliff R. Hupp, Katherine Skalak
2015, Geophysical Research Letters (42) 10671-10679
We measured rates of sediment, C, N, and P accumulation at four floodplain sites spanning the nontidal through oligohaline Choptank and Pocomoke Rivers, Maryland, USA. Ceramic tiles were used to collect sediment for a year and sediment cores were collected to derive decadal sedimentation rates using 137Cs. The results showed...
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...
Environmental DNA calibration study interim technical review report December 2014
Kelly Baerwaldt, Meredith L. Bartron, Kurt Schilling, Debbie Lee, Edmond Russo, Trudy Estes, Richard Fischer, Beth Fleming, Michael P. Guilfoyle, Jack Killgore, Richard Lance, Edward Perkins, Martin Schultz, David Smith, Jon J. Amberg, Duane Chapman, Mark P. Gaikowski, Katy E. Klymus, Catherine A. Richter
2015, Report
The Environmental DNA Calibration Study (ECALS) is a multi-year study to improve the understanding and interpretation of the detection of Asian carp DNA in environmental samples (eDNA) used in early detection monitoring. eDNA surveillance programs seek to detect the presence of genetic material (DNA in cells sloughed off in slime,...
Life on the edge in eastern Alaska: Basal Ordovician(Tremadocian), platform-margin faunas of the Jones Ridge Formation
J. F. Taylor, T. J. Allen, John E. Repetski, J. V. Strauss, S. J. Irwin
2015, Stratigraphy (12) 71-77
As the most fossiliferous and least deformed succession of unequivocally Laurentian lower Paleozoic strata in Alaska, the Jones Ridge Limestone has provided critical data for numerous stratigraphic studies (e. g. Palmer 1968; Harris et al. 1995; Dumoulin et al. 2002; Dumoulin and Harris 2012) focused on the Cambrian and Ordovician...
Science foundation Chapter 5 Appendix 5.1: Case study diving ducks
John Y. Takekawa, Susan De La Cruz, Joshua T. Ackerman, Gregory S. Yarris
2015, Report, The baylands and climate change what we can do: Baylands ecosystem habitat goals science update 2015
Diving ducks are the most abundant group of waterfowl that overwinter in the open bays and ponds of San Francisco Bay (SFB). Species within this group are primarily benthivores that dive to obtain their macroinvertebrate prey in bottom sediments, although at times they may eat plant matter or forage in...
Mechanisms of sediment flux between shallows and marshes
Jessica R. Lacy, L.M. Schile, J.C. Callaway, M.C. Ferner
2015, Conference Paper, The Proceedings of Coastal Sediments 2015
We conducted a field study to investigate temporal variation and forcing mechanisms of sediment flux between a salt marsh and adjacent shallows in northern San Francisco Bay. Suspended-sediment concentration (SSC), tidal currents, and wave properties were measured over the marsh, in marsh creeks, and in bay shallows. Cumulative sediment flux...
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...
