Using population models to evaluate management alternatives for Gulf Striped Bass
Alexander P. Aspinwall, Elise R. Irwin, M. Clint Lloyd
2017, Cooperator Science Series FWS/CSS-123-2017
Interstate management of Gulf Striped Bass Morone saxatilis has involved a thirty-year cooperative effort involving Federal and State agencies in Georgia, Florida and Alabama (Apalachicola-Chattahoochee-Flint Gulf Striped Bass Technical Committee). The Committee has recently focused on developing an adaptive framework for conserving and restoring Gulf Striped Bass in the Apalachicola,...
Conservation Reserve Program mitigates grassland loss in the lesser prairie-chicken range of Kansas
David A. Haukos, David Spencer, Christian A. Hagen, Melinda D. Daniels, Doug Goodin
2017, Global Ecology and Conservation (9) 21-38
Since the beginning of the 20th century, the overall occupied range of the lesser prairie-chicken (Tympanuchus pallidicinctus) has declined by 84% commensurate with population trends. Much of this decline has been attributed to the loss and fragmentation of native grasslands throughout the lesser prairie-chicken...
Extreme geomagnetic storms: Probabilistic forecasts and their uncertainties
Pete Riley, Jeffrey J. Love
2017, Space Weather (15) 53-64
Extreme space weather events are low-frequency, high-risk phenomena. Estimating their rates of occurrence, as well as their associated uncertainties, is difficult. In this study, we derive statistical estimates and uncertainties for the occurrence rate of an extreme geomagnetic storm on the scale of the Carrington event (or worse) occurring within...
Nutrients, phytoplankton, zooplankton, and macrobenthos
Lars G. Rudstam, Kristen T. Holeck, James M. Watkins, Christopher Hotaling, Jana R. Lantry, Kelly L. Bowen, Mohi Munawar, Brian Weidel, Richard Barbiero, Frederick J. Luckey, Alice Dove, Timothy B. Johnson, Zy Biesinger
2017, Special Publication 2017-02
Lower trophic levels support the prey fish on which most sport fish depend. Therefore, understanding the production potential of lower trophic levels is integral to the management of Lake Ontario’s fishery resources. Lower trophic-level productivity differs among offshore and nearshore waters. In the offshore, there is concern about the ability of...
Sub-indicator: Prey fish
Brian Weidel, Erin Dunlop
2017, Report, Sate of the Great Lakes 2017 Technical Report
Prey fish communities across the Great Lakes continue to change, although the direction and magnitude of those changes are not consistent across the lakes. The metrics used to categorize prey fish status in this and previous periods are based on elements that are common among each of the lake’s Fish...
Spatial demographic models to inform conservation planning of golden eagles in renewable energy landscapes
J. David Wiens, Nathan H. Schumaker, Richard D. Inman, Todd C. Esque, Kathleen M. Longshore, Kenneth E. Nussear
2017, Journal of Raptor Research (51) 234-257
Spatial demographic models can help guide monitoring and management activities targeting at-risk species, even in cases where baseline data are lacking. Here, we provide an example of how site-specific changes in land use and anthropogenic stressors can be incorporated into a spatial demographic model to investigate effects on population dynamics...
Understanding the past to interpret the future: Comparison of simulated groundwater recharge in the upper Colorado River basin (USA) using observed and general-circulation-model historical climate data
Fred D. Tillman, Subhrendu Gangopadhyay, Tom Pruitt
2017, Hydrogeology Journal (25) 347-358
In evaluating potential impacts of climate change on water resources, water managers seek to understand how future conditions may differ from the recent past. Studies of climate impacts on groundwater recharge often compare simulated recharge from future and historical time periods on an average monthly or overall average annual basis,...
Infectious hematopoietic necrosis virus virological and genetic surveillance 2000–2012
Rachel Breyta, Ilana L. Brito, Gael Kurath, Shannon L. LaDeau
2017, Ecology (98) 283-283
Surveillance records of the acute RNA pathogen of Pacific salmonid fish infectious hematopoietic necrosis virus are combined for the first time to enable landscape-level ecological analyses and modeling. The study area is the freshwater ecosystems of the large Columbia River watershed in the U.S. states of Washington, Oregon, and Idaho,...
Drivers of Holocene sea-level change in the Caribbean
Nicole Khan, Erica Ashe, Benjamin P. Horton, Andrea Dutton, Robert E. Kopp, Gilles Brocard, Simon E. Engelhart, David F. Hill, W.R. Peltier, Christopher H. Vane, Fred N. Scatena
2017, Quaternary Science Reviews (155) 13-36
We present a Holocene relative sea-level (RSL) database for the Caribbean region (5°N to 25°N and 55°W to 90°W) that consists of 499 sea-level index points and 238 limiting dates. The database was compiled from multiple sea-level indicators (mangrove peat, microbial mats, beach rock and acroporid and massive corals). We...
Modeling waterfowl habitat selection in the Central Valley of California to better understand the spatial relationship between commercial poultry and waterfowl
Elliott Matchett, Michael L. Casazza, Joseph P. Fleskes, T. Kelman, M. Cadena, M. Pitesky
2017, Conference Paper, Proceedings of the Sixty-Sixth Western Poultry Disease Conference
Wildlife researchers frequently study resource and habitat selection of wildlife to understand their potential habitat requirements and to conserve their populations. Understanding wildlife spatial-temporal distributions related to habitat have other applications such as to model interfaces between wildlife and domestic food animals in order to mitigate disease transmission to food...
A global analysis of traits predicting species sensitivity to habitat fragmentation
Douglas Keinath, Daniel F. Doak, Karen E. Hodges, Laura R. Prugh, William F. Fagan, Cagan H. Sekercioglu, Stuart H. M. Buchart, Matthew J. Kauffman
2017, Global Ecology and Biogeography (26) 115-127
AimElucidating patterns in species responses to habitat fragmentation is an important focus of ecology and conservation, but studies are often geographically restricted, taxonomically narrow or use indirect measures of species vulnerability. We investigated predictors of species presence after fragmentation using data from studies around the world that included all four...
What can volunteer angler tagging data tell us about the status of the Giant Trevally (ulua aukea) Caranx ignobilis fishery in Hawaii: revisiting data collected during Hawaii’s Ulua and Papio Tagging Project 2000-2016
Timothy B. Grabowski, Erik C. Franklin
2017, Cooperator Science Series FWS/CSS-126-2017
Giant Trevally (ulua aukea) Caranx ignobilis is one of the most highly prized and frequentlytargeted nearshore species. However, there is very little information on its current status inHawaiian waters. This study uses mark-recapture data collected as part of recreational anglertagging program conducted by the Hawaii Department of Land and Natural...
Imaging of earthquake faults using small UAVs as a pathfinder for air and space observations
Andrea Donnellan, Joseph Green, Adnan Ansar, Joseph Aletky, Margaret Glasscoe, Yehuda Ben-Zion, J. Ramon Arrowsmith, Stephen B. DeLong
2017, Conference Paper, 2017 IEEE Aerospace Conference Proceedings
Large earthquakes cause billions of dollars in damage and extensive loss of life and property. Geodetic and topographic imaging provide measurements of transient and long-term crustal deformation needed to monitor fault zones and understand earthquakes. Earthquake-induced strain and rupture characteristics are expressed in topographic features imprinted on the landscapes of...
Reconstruction of spatio-temporal temperature from sparse historical records using robust probabilistic principal component regression
John Tipton, Mevin Hooten, Simon Goring
2017, Advances in Statistical Climatology, Meteorology and Oceanography (3) 1-16
Scientific records of temperature and precipitation have been kept for several hundred years, but for many areas, only a shorter record exists. To understand climate change, there is a need for rigorous statistical reconstructions of the paleoclimate using proxy data. Paleoclimate proxy data are often sparse, noisy, indirect measurements of...
Model-based estimators of density and connectivity to inform conservation of spatially structured populations
Dana J. Morin, Angela K. Fuller, J. Andrew Royle, Chris Sutherland
2017, Ecosphere (8) 1-16
Conservation and management of spatially structured populations is challenging because solutions must consider where individuals are located, but also differential individual space use as a result of landscape heterogeneity. A recent extension of spatial capture–recapture (SCR) models, the ecological distance model, uses spatial encounter histories of individuals (e.g., a record...
The history of late holocene surface-faulting earthquakes on the central segments of the Wasatch fault zone, Utah
Christopher DuRoss, Stephen Personius, Susan S Olig, Anthony J. Crone, Michael D. Hylland, William R. Lund, David P. Schwartz
2017, Book chapter, Geology and resources of the Wasatch: Back to front, Utah Geological Association Publication 46
The Wasatch fault (WFZ)—Utah’s longest and most active normal fault—forms a prominent eastern boundary to the Basin and Range Province in northern Utah. To provide paleoseismic data for a Wasatch Front regional earthquake forecast, we synthesized paleoseismic data to define the timing and displacements of late Holocene surface-faulting earthquakes on...
Validation of daily increments periodicity in otoliths of spotted gar
Richard A. Snow, James M. Long, Bryan D. Frenette
2017, Journal of the Southeastern Association of Fish and Wildlife Agencies (4) 60-65
Accurate age and growth information is essential in successful management of fish populations and for understanding early life history. We validated daily increment deposition, including the timing of first ring formation, for spotted gar (Lepisosteus oculatus) through 127 days post hatch. Fry were produced from hatchery-spawned specimens, and up to...
Hydrochemical determination of source water contributions to Lake Lungo and Lake Ripasottile (central Italy)
Claire Archer, Paula Noble, David Kreamer, Vincenzo Piscopo, Marco Petitta, Michael R. Rosen, Simon R. Poulson, Gianluca Piovesan, Scott Mensing
2017, Journal of Limnology (76) 326-342
Lake Lungo and Lake Ripasottile are two shallow (4-5 m) lakes located in the Rieti Basin, central Italy, that have been described previously as surface outcroppings of the groundwater table. In this work, the two lakes as well as springs and rivers that represent their potential source waters are characterized...
Social-ecological outcomes in recreational fisheries: The interaction of lakeshore development and stocking
Jacob P. Ziegler, Elizabeth J. Golebie, Stuart E. Jones, Brian Weidel, Christopher T. Solomon
2017, Ecological Applications (27) 56-65
Many ecosystems continue to experience rapid transformations due to processes like land use change and resource extraction. A systems approach to maintaining natural resources focuses on how interactions and feedbacks among components of complex social‐ecological systems generate social and ecological outcomes. In recreational fisheries, residential shoreline development and fish stocking...
New techniques to measure cliff change from historical oblique aerial photographs and structure-from-motion photogrammetry
Jonathan A. Warrick, Andy Ritchie, Gabrielle Adelman, Ken Adelman, Patrick W. Limber
2017, Journal of Coastal Research (33) 39-55
Oblique aerial photograph surveys are commonly used to document coastal landscapes. Here it is shown that adequate overlap may exist in these photographic records to develop topographic models with Structure-from-Motion (SfM) photogrammetric techniques. Using photographs of Fort Funston, California, from the California Coastal Records Project, imagery were combined with ground...
Fish assemblages
Daniel J. McGarvey, Jeffrey A. Falke, Hiram W. Li, Judith Li
F. Richard Hauer, G. A. Lamberti, editor(s)
2017, Book chapter, Methods in stream ecology, 3rd Edition
Methods to sample fishes in stream ecosystems and to analyze the raw data, focusing primarily on assemblage-level (all fish species combined) analyses, are presented in this chapter. We begin with guidance on sample site selection, permitting for fish collection, and information-gathering steps to be completed prior to conducting fieldwork. Basic...
Using structural damage statistics to derive macroseismic intensity within the Kathmandu valley for the 2015 M7.8 Gorkha, Nepal earthquake
Sean McGowan, Kishor S. Jaiswal, David J. Wald
2017, Tectonophysics (714-715) 158-172
We make and analyze structural damage observations from within the Kathmandu valley following the 2015 M7.8 Gorkha, Nepal earthquake to derive macroseismic intensities at several locations including some located near ground motion recording sites. The macroseismic intensity estimates supplement the limited strong ground motion data in order to characterize the...
Challenges with secondary use of multi-source water-quality data in the United States
Lori A. Sprague, Gretchen P. Oelsner, Denise M. Argue
2017, Water Research (110) 252-261
Combining water-quality data from multiple sources can help counterbalance diminishing resources for stream monitoring in the United States and lead to important regional and national insights that would not otherwise be possible. Individual monitoring organizations understand their own data very well, but issues can arise when their data are combined...
The practice of prediction: What can ecologists learn from applied, ecology-related fields?
Frank Pennekamp, Matthew Adamson, Owen L Petchey, Jean-Christophe Poggiale, Maira Aguiar, Bob W. Kooi, Daniel B. Botkin, Donald L. DeAngelis
2017, Ecological Complexity (32) 156-167
The pervasive influence of human induced global environmental change affects biodiversity across the globe, and there is great uncertainty as to how the biosphere will react on short and longer time scales. To adapt to what the future holds and to manage the impacts of global change, scientists need to...
Spatiotemporal patterns of duck nest density and predation risk: a multi-scale analysis of 18 years and more than 10,000 nests
Kevin M. Ringelman, John M. Eadie, Joshua T. Ackerman, Andrew Sih, Daniel L. Loughman, Gregory S. Yarris, Shaun L. Oldenburger, M. Robert McLandress
2017, Oikos (126) 332-338
Many avian species are behaviorally-plastic in selecting nest sites, and may shift to new locations or habitats following an unsuccessful breeding attempt. If there is predictable spatial variation in predation risk, the process of many individuals using prior experience to adaptively change nest sites may scale up to create shifting...
