Population demographics of catostomids in large river ecosystems: effects of discharge and temperature on recruitment dynamics and growth
M.C. Quist, J.R. Spiegel
2011, River Research and Applications (28) 1567-1586
Catostomids are among the most widespread and ecologically important groups of fishes in North America, particularly in large river systems. Despite their importance, little information is available on their population demographics and even less is known about factors influencing their population dynamics. The objectives of this study were to describe...
Patterns of acoustical activity of bats prior to and following White-nose Syndrome occurrence
W. Mark Ford, Eric R. Britzke, Christopher A. Dobony, Jane L. Rodrigue, Joshua B. Johnson
2011, Journal of Fish and Wildlife Management (2) 125-134
White-nose Syndrome (WNS), a wildlife health concern that has decimated cave-hibernating bat populations in eastern North America since 2006, began affecting source-caves for summer bat populations at Fort Drum, a U.S. Army installation in New York in the winter of 2007–2008. As regional die-offs of bats became evident, and Fort...
Quantifying home range habitat requirements for bobcats (Lynx rufus) in Vermont, USA
Therese Donovan, Mark Freeman, Hanem Abouelezz, Kim Royar, Alan D. Howard, R. Mickey
2011, Biological Conservation (144) 2799-2809
We demonstrate how home range and habitat use analysis can inform landscape-scale conservation planning for the bobcat, Lynx rufus, in Vermont USA. From 2005 to 2008, we outfitted fourteen bobcats with GPS collars that collected spatially explicit locations from individuals every 4 h for 3–4 months. Kernel home range techniques were used to...
Book review: Birds of Wyoming
N.B. Carr
2011, Prairie Naturalist (43) 66-67
"Wyoming may very well be one of the least birded states in the U.S." So begins this book, underscoring the challenges in summarizing existing knowledge for a state that falls next to last in human population density. Despite the relative dearth of "binoculars on the ground," especially in more remote...
Meteorites at Meridiani Planum provide evidence for significant amounts of surface and near-surface water on early Mars
Alberto G. Fairen, James M. Dohm, Victor R. Baker, Shane D. Thompson, William C. Mahaney, Kenneth E. Herkenhoff, J. Alexis P. Rodriguez, Alfonso F. Davila, Dirk Schulze-Makuch, M. Ramy El Maarry, Esther R. Uceda, Ricardo Amils, Hirdy Miyamoto, Kyeong J. Kim, Robert C. Anderson, Christopher P. McKay
2011, Meteoritics and Planetary Science (46) 1832-1841
Six large iron meteorites have been discovered in the Meridiani Planum region of Mars by the Mars Exploration Rover Opportunity in a nearly 25 km-long traverse. Herein, we review and synthesize the available data to propose that the discovery and characteristics of the six meteorites could be explained as the...
Persistence of the longnose darter (P. nasuta) in Lee Creek, Oklahoma
Michael R. Gatlin, James M. Long
2011, Proceedings of the Oklahoma Academy of Science (91) 11-14
The longnose darter Percina nasuta (Bailey) is one of Oklahoma’s rarest fish species (1) and is listed by the state as endangered. Throughout the rest of its range, which includes Missouri, Arkansas and the far eastern portion of Oklahoma, the longnose darter is classified as “rare” or “threatened” (2, 3,...
Seismic hazard maps for Haiti
Arthur Frankel, Stephen Harmsen, Charles Mueller, Eric Calais, Jennifer Haase
2011, Earthquake Spectra (27) S23-S41
We have produced probabilistic seismic hazard maps of Haiti for peak ground acceleration and response spectral accelerations that include the hazard from the major crustal faults, subduction zones, and background earthquakes. The hazard from the Enriquillo-Plantain Garden, Septentrional, and Matheux-Neiba fault zones was estimated using fault slip rates determined from...
Representation of bidirectional ground motions for design spectra in building codes
Jonathan P. Stewart, Norman A. Abrahamson, Gail M. Atkinson, Jack W. Beker, David M. Boore, Yousef Bozorgnia, Kenneth W. Campbell, Craig D. Comartin, I.M. Idriss, Marshall Lew, Michael Mehrain, Jack P. Moehle, Farzad Naeim, Thomas A. Sabol
2011, Earthquake Spectra (27) 927-937
The 2009 NEHRP Provisions modified the definition of horizontal ground motion from the geometric mean of spectral accelerations for two components to the peak response of a single lumped mass oscillator regardless of direction. These maximum-direction (MD) ground motions operate under the assumption that the dynamic properties of the structure...
Seasonally dynamic diel vertical migrations of Mysis diluviana, coregonine fishes, and siscowet lake trout in the pelagia of western Lake Superior
Tyler D. Ahrenstorff, Thomas R. Hrabik, Jason D. Stockwell, Daniel L. Yule, Greg G. Sass
2011, Transactions of the American Fisheries Society (140) 1504-1520
Diel vertical migrations are common among many aquatic species and are often associated with changing light levels. The underlying mechanisms are generally attributed to optimizing foraging efficiency or growth rates and avoiding predation risk (μ). The objectives of this study were to (1) assess seasonal and interannual changes in vertical...
Liquefaction probability curves for surficial geologic deposits
Thomas L. Holzer, Thomas E. Noce, Michael J. Bennett
2011, Environmental & Engineering Geoscience (17) 1-21
Liquefaction probability curves that predict the probability of surface manifestations of earthquake-induced liquefaction are developed for 14 different types of surficial geologic units. The units consist of alluvial fan, beach ridge, river delta topset and foreset beds, eolian dune, point bar, flood basin, natural river and alluvial fan levees, abandoned...
Long-term post-fire effects on spatial ecology and reproductive output of female Agassiz’s desert tortoises (Gopherus agassizii) at a wind energy facility near Palm Springs, California, USA
Jeffrey E. Lovich, Joshua R. Ennen, Sheila V. Madrak, Caleb L. Loughran, Katherin P. Meyer, Terence R. Arundel, Curtis D. Bjurlin
2011, Fire Ecology (7) 75-87
We studied the long-term response of a cohort of eight female Agassiz’s desert tortoises (Gopherus agassizii) during the first 15 years following a large fire at a wind energy generation facility near Palm Springs, California, USA. The fire burned a significant portion of the study site in 1995. Tortoise activity...
Functional ecology of free-living nitrogen fixation: A contemporary perspective
Sasha C. Reed, Cory C. Cleveland, Alan R. Townsend
2011, Annual Review of Ecology, Evolution, and Systematics (42) 489-512
Nitrogen (N) availability is thought to frequently limit terrestrial ecosystem processes, and explicit consideration of N biogeochemistry, including biological N2 fixation, is central to understanding ecosystem responses to environmental change. Yet, the importance of free-living N2 fixation—a process that occurs on a wide variety of substrates, is nearly ubiquitous in...
Clinical pathology results from cranes with experimental West Nile Virus infection
Glenn H. Olsen
2011, Book, Proceedings of the Association of Avian Veterinarians
Sandhill cranes (Grus canadensis) were vaccinated for and then challenged with West Nile virus. Resulting titers demonstrated protection in the vaccinated-challenged cranes as compared to the unvaccinated-challenged cranes. Clinical pathology results showed challenged cranes, whether vaccinated or not, had a decrease in their hematocrits and an elevation of 2.5-fold in...
Pelagic Piscivory Under Shifting Environmental Gradients: Application of A Visual Foraging Model To Diel and Seasonal Sonic Telemetry of Cutthroat Trout In Strawberry Reservoir
David A. Beauchamp, Adam G. Hansen, Casey M. Baldwin
2011, Conference Paper, Abstracts from the 2011 Joint Annual Meeting of the Society for Northwestern Vertebrate Biology and Washington Chapter of the Wildlife Society, Held at the Wesley Inn, Gig Harbor, Washington, March 23�25, 2011, Northwestern Naturalist, v.92, no.2, p. 136�166
Summary and anticipated responses to Elwha River dam removal: Chapter 9 in Coastal habitats of the Elwha River, Washington--biological and physical patterns and processes prior to dam removal
Guy Gelfenbaum, Jeffrey J. Duda, Jonathan A. Warrick
Jeffrey J. Duda, Jonathan A. Warrick, Christopher S. Magirl, editor(s)
2011, Scientific Investigations Report 2011-5120-9
Starting in September 2011, the removal of two large dams on the Elwha River will begin an unprecedented river restoration project because of the size of the dams, the volume of sediment released, the pristine watershed upstream of the dam sites, and the potential for renewing salmon populations. Ecosystem studies...
Baseline hydrologic studies in the lower Elwha River prior to dam removal
Christopher S. Magirl, Christopher A. Curran, Rich W. Sheibley, Jonathan A. Warrick, Jonathan A. Czuba, Christiana R. Czuba, Andrew S. Gendaszek, Patrick B. Shafroth, Jeffrey J. Duda, James R. Foreman
2011, Scientific Investigations Report 2011-5120-4
After the removal of two large, long‑standing dams on the Elwha River, Washington, the additional load of sediment and wood is expected to affect the hydrology of the lower river, its estuary, and the alluvial aquifer underlying the surrounding flood plain. To better understand the surface-water and groundwater characteristics of...
Elk Monitoring Protocol for Lewis and Clark National Historical Park, Version 1.0
Kurt J. Jenkins, Paul C. Griffin, John R. Boetsch, Carla Cole
2011, Natural Resource Report NPS/NCCN/NRR—2011/455
Maintaining elk (Cervus elaphus roosevelti) herds that frequent Lewis and Clark National Historical Park (NHP) is central to the park’s purpose of preserving the historic, cultural, scenic, and natural resources. Elk were critical to sustaining the members of the Lewis and Clark expedition by providing food and clothing over the...
Decomposition of heterogeneous organic matterand its long-term stabilization in soils
Carlos A. Sierra, Mark E. Harmon, Steven S. Perakis
2011, Ecological Monographs (81) 619-634
Soil organic matter is a complex mixture of material with heterogeneous biological, physical, and chemical properties. Decomposition models represent this heterogeneity either as a set of discrete pools with different residence times or as a continuum of qualities. It is unclear though, whether these two different approaches yield comparable predictions...
Aquatic ecology of the Elwha River estuary prior to dam removal: Chapter 7 in Coastal habitats of the Elwha River, Washington--biological and physical patterns and processes prior to dam removal
Jeffrey J. Duda, Matthew M. Beirne, Kimberly Larsen, Dwight Barry, Karl Stenberg, Michael L. McHenry
Jeffrey J. Duda, Jonathan A. Warrick, Christopher S. Magirl, editor(s)
2011, Scientific Investigations Report 2011-5120-7
The removal of two long-standing dams on the Elwha River in Washington State will initiate a suite of biological and physical changes to the estuary at the river mouth. Estuaries represent a transition between freshwater and saltwater, have unique assemblages of plants and animals, and are a critical habitat for...
Anticipated sediment delivery to the lower Elwha River during and following dam removal: Chapter 2 in Coastal habitats of the Elwha River, Washington--biological and physical patterns and processes prior to dam removal
Christiana R. Czuba, Timothy J. Randle, Jennifer A. Bountry, Christopher S. Magirl, Jonathan A. Czuba, Christopher A. Curran, Christopher P. Konrad
Jeffrey J. Duda, Jonathan A. Warrick, Christopher S. Magirl, editor(s)
2011, Scientific Investigations Report 2011-5120-2
During and after the planned incremental removal of two large, century-old concrete dams between 2011 and 2014, the sediment-transport regime in the lower Elwha River of western Washington will initially spike above background levels and then return to pre-dam conditions some years after complete dam removal. Measurements indicate the upper...
Detection of coastal and submarine discharge on the Florida Gulf Coast with an airborne thermal-infrared mapping system
Ellen Raabe, David Stonehouse, Kristin Ebersol, Kathryn Holland, Lisa Robbins
2011, Professional Geologist (48) 42-49
Along the Gulf Coast of Florida north of Tampa Bay lies a region characterized by an open marsh coast, low topographic gradient, water-bearing limestone, and scattered springs. The Floridan aquifer system is at or near land surface in this region, discharging water at a consistent 70-72°F. The thermal contrast between...
Occurrence and distribution of Asian carps in Louisiana
R. Glenn Thomas, Jill A. Jenkins, Jody David
2011, Book chapter, Invasive Asian Carps in North America
In the 1970s, commercial fishers reported sightings of grass carp Ctenopharyngodon idella in large rivers and associated backwaters of Louisiana; the first specimen in Louisiana Department of Wildlife and Fisheries' fishery independent sampling was recorded in 1976. Beginning in the early 1980s, commercial fishers noted increasing populations of bighead carp...
Demonstration/validation of the snap sampler passive groundwater sampling device at the former McClellan Air Force Base
L. Parker, Nathan Mulherin, T. Hall, Constance Scott, K. Gagnon, Jay Clausen, William Major, Jacob Gibs, Thomas E. Imbrigiotta, Donald Gronstal
2011, Technical Report ERDC/CRREL TR-11-3
No abstract available....
Demonstration/validation of the Snap sampler passive groundwater sampling device
Louise Parker, Nathan Mulherin, Gordon Gooch, William Major, Richard Willey, Thomas E. Imbrigiotta, Jacob Gibs, Donald Gronstal
2011, Technical Report ER-200630
Laboratory studies and a field demonstration were conducted to determine the ability of the Snap Sampler to recover representative concentrations of several types of inorganic analytes from ground water. Analytes included non-metals, transition metals, alkaline earth metals, alkali metals, and a metalloid. In the laboratory studies, concentrations of analytes in...
Demonstration and validation of a regenerated cellulose dialysis membrane diffusion sampler for monitoring groundwater quality and remediation progress at DoD sites: Perchlorate and ordnance compounds
Thomas E. Imbrigiotta, Joseph S. Trotsky
2011, Technical Report ER-200313
This final technical report documents the demonstration and validation of regenerated cellulose dialysis membrane diffusion samplers (RCDM samplers) for use in collecting groundwater samples for perchlorate and a suite of explosives compounds. This project, ER-0313, was funded by the Environmental Security Technology Certification Program (ESTCP). The primary objectives of the...
