Inner shelf morphologic controls on the dynamics of the beach and bar system, Fire Island, New York
Cheryl J. Hapke, William C. Schwab, Paul T. Gayes, Clay McCoy, Richard Viso, Erika E. Lentz
Julie D. Rosati, Ping Wang, Tiffany M. Roberts, editor(s)
2011, Conference Paper, The proceedings of the Coastal Sediments 2011
The mechanism of sediment exchange between offshore sand ridges and the beach at Fire Island, New York is largely unknown. However, recent evidence from repeat nearshore bathymetry surveys, coupled with the complex but consistent bar morphology and patterns of shoreline change demonstrate that there is a feedback occurring between the...
Ecoregional-scale monitoring within conservation areas, in a rapidly changing climate
Erik A. Beever, Andrea Woodward
2011, Biological Conservation (144) 1255-1257
Long-term monitoring of ecological systems can prove invaluable for resource management and conservation. Such monitoring can: (1) detect instances of long-term trend (either improvement or deterioration) in monitored resources, thus providing an early-warning indication of system change to resource managers; (2) inform management decisions and help assess the effects of...
Timing and duration of North American glacial lake discharges and the Younger Dryas climate reversal
J. A. Rayburn, Thomas M. Cronin, D. A. Franzi, P. L. K. Knuepfer, Debra A. Willard
2011, Quaternary Research (75) 541-551
No abstract available....
Diet of juvenile and adult American shad in the Columbia River
Sally T. Sauter, J. Timothy Blubaugh, Michael J. Parsley
2011, Book chapter, Impact of American shad in the Columbia River
The diet of juvenile and adult American shad Alosa sapidissima captured from various locations in the Columbia River was investigated during 2007 and 2008. Collection efforts in 2007 were restricted to fish collected from existing adult and juvenile fish collection facilities located at Bonneville Dam and to adult shad captured...
Timing, distribution, amount, and style of Cenozoic extension in the northern Great Basin
Christopher D. Henry, Allen J. McGrew, Joseph P. Colgan, Arthur W. Snoke, Matthew E. Brueseke
2011, GSA Field Guides (21) 27-66
This field trip examines contrasting lines of evidence bearing on the timing and structural style of Cenozoic (and perhaps late Mesozoic) extensional deformation in northeastern Nevada. Studies of metamorphic core complexes in this region report extension beginning in the early Cenozoic or even Late Cretaceous, peaking in the Eocene and...
Effects of dams in river networks on fish assemblages in non-impoundment sections of rivers in Michigan and Wisconsin, USA
Jana S. Stewart, Lizhu Wang, Dana M. Infante, John D. Lyons, Arthur Cooper
2011, River Research and Applications (27) 473-487
Regional assessment of cumulative impacts of dams on riverine fish assemblages provides resource managers essential information for dam operation, potential dam removal, river health assessment and overall ecosystem management. Such an assessment is challenging because characteristics of fish assemblages are not only affected by dams, but also influenced by natural...
Acute toxicity of two lampricides, 3-trifluoromethyl-4-nitrophenol (TFM) and a TFM: 1% niclosamide mixture, to sea lamprey, three species of unionids, haliplid water beetles, and American eel
Michael A. Boogaard, Jane E. Rivera
2011, Technical Report 70
We conducted a series of toxicological treatments with 3-trifluoromethyl-4-nitrophenol (TFM) and a TFM:1% 2′,5-dichloro-4′-nitrosalicylanilide (niclosamide) mixture, two compounds used to control larval sea lamprey (Petromyzon marinus) in Great Lakes tributaries, to evaluate the acute toxicity of the lampricides to a number of nontarget species of concern. Treatments were conducted with...
Development of a bioenergetics model for age-0 American Shad
Sally T. Sauter
2011, Report, Impact of American Shad in the Columbia River
Bioenergetics modeling can be used as a tool to investigate the impact of non-native age-0 American shad (Alosa sapidissima) on reservoir and estuary food webs. The model can increase our understanding of how these fish influence lower trophic levels as well as predatory fish populations that feed on juvenile salmonids....
Diet of juvenile and adult American Shad in the Columbia River
Sally T. Sauter, Michael J. Parsen, J. Timothy Blubaugh
2011, Report, Impact of American shad in the Columbia River. Final Report Performance Period: May 1, 2007 – January 15, 2011.
The diet of juvenile and adult American shad Alosa sapidissima captured from various locations in the Columbia River was investigated during 2007 and 2008. Collection efforts in 2007 were restricted to fish collected from existing adult and juvenile fish collection facilities located at Bonneville Dam and to adult shad captured...
Thiaminase activity and life history investigations in American Shad in the Columbia River
Lisa A. Wetzel, Michael J. Parsley, Bjorn K. van der Leeuw, Kimberly A. Larsen
2011, Report, Impact of American Shad in the Columbia River
American shad Alosa sapidissima fry were successfully transplanted from the Atlantic to the Pacific coast in 1871 and have subsequently proliferated. The Columbia River population is in the millions, yet few investigations have been conducted to better understand their life history, population dynamics, or potential impacts on other species. In...
Pliocene climate lessons
Marci M. Robinson
2011, American Scientist (99) 228-235
The middle portion of the Pliocene Epoch—about three million years ago—is the most recent period when global temperatures were sustained at levels comparable to those we may see at the end of this century due to climate change. One way to seek a more accurate view of a warmer Earth...
Verification of a ‘freshwater-type’ life history variant of juvenile American shad in the Columbia River
Lisa A. Wetzel, Kimberly A. Larsen, Michael J. Parsley, Christian E. Zimmerman
2011, Report
American shad are native to the Atlantic coast of North America and were successfully introduced to the Pacific coast in the 1870s. They are now more abundant in the Columbia River than are its native salmon. As in their native range, Columbia River American shad are anadromous and have been...
Predictive uncertainty analysis of a saltwater intrusion model using null-space Monte Carlo
Daan Herckenrath, Christian D. Langevin, John Doherty
2011, Water Resources Research (47)
Because of the extensive computational burden and perhaps a lack of awareness of existing methods, rigorous uncertainty analyses are rarely conducted for variable-density flow and transport models. For this reason, a recently developed null-space Monte Carlo (NSMC) method for quantifying prediction uncertainty was tested for a synthetic saltwater intrusion model...
Growth characteristics and otolith analysis on age-0 American shad
Sally T. Sauter, Lisa A. Wetzel
2011, Book chapter, Growth characteristics and otolith analysis on age-0 American shad
Otolith microstructure analysis provides useful information on the growth history of fish (Campana and Jones 1992, Bang and Gronkjaer 2005). Microstructure analysis can be used to construct the size-at-age growth trajectory of fish, determine daily growth rates, and estimate hatch date and other ecologically important life history events (Campana and...
Growth characteristics and Otolith analysis on Age-0 American Shad
Sally T. Sauter, Lisa A. Wetzel
2011, Report, Impact of American Shad in the Columbia River
Otolith microstructure analysis provides useful information on the growth history of fish (Campana and Jones 1992, Bang and Gronkjaer 2005). Microstructure analysis can be used to construct the size-at-age growth trajectory of fish, determine daily growth rates, and estimate hatch date and other ecologically important life history events (Campana and...
Climate change links fate of glaciers and an endemic alpine invertebrate
Clint C. Muhlfeld, J. Joseph Giersch, F. Richard Hauer, Gregory T. Pederson, Gordon Luikart, Douglas P. Peterson, Christopher C. Downs, Daniel B. Fagre
2011, Climatic Change (106) 337-345
Climate warming in the mid- to high-latitudes and high-elevation mountainous regions is occurring more rapidly than anywhere else on Earth, causing extensive loss of glaciers and snowpack. However, little is known about the effects of climate change on alpine stream biota, especially invertebrates. Here, we show a strong linkage between...
Thiaminase activity and life history investigations in American shad in the Columbia River
Lisa A. Wetzel, Michael J Parsley, Bjorn K. van der Leeuw, Kimberly A. Larsen
2011, Book chapter, Impact of American Shad in the Columbia River
American shad Alosa sapidissima fry were successfully transplanted from the Atlantic to the Pacific coast in 1871 and have subsequently proliferated. The Columbia River population is in the millions, yet few investigations have been conducted to better understand their life history, population dynamics, or potential impacts on other species. In...
Development of a bioenergetics model for age-0 American shad
Sally T. Sauter
2011, Book chapter, Impact of American shad in the Columbia River
Bioenergetics modeling can be used as a tool to investigate the impact of non-native age-0 American shad (Alosa sapidissima) on reservoir and estuary food webs. The model can increase our understanding of how these fish influence lower trophic levels as well as predatory fish populations that feed on juvenile salmonids....
Evaluating the variability of sediment and nutrient loading from riverine systems into Texas estuaries and bays
Michael T. Lee
2011, Fact Sheet 2011-3036
The water quality in estuaries and bays and the health of these coastal ecosystems are affected by sediment and nutrient loads transported by streams. Large sediment loads delivered to an estuary or bay can degrade water quality. Concentrations of suspended sediment are affected by natural conditions (such as soil erosion...
A numerical model investigation of the formation and persistence of an erosion hotspot
Jeff E. Hansen, Edwin Elias, Jeffrey H. List, Patrick L. Barnard
2011, Conference Paper, The proceedings of the Coastal Sediments 2011
A Delft3D-SWAN coupled flow and wave model was constructed for the San Francisco Bight with high-resolution at 7 km-long Ocean Beach, a high-energy beach located immediately south of the Golden Gate, the sole entrance to San Francisco Bay. The model was used to investigate tidal and wave-induced flows, basic forcing...
Landsat science team meeting summary
Thomas R. Loveland, Tom Maiersperger, James R. Irons, C. E. Woodcock
2011, The Earth Observer (23) 32-35
The Landsat Science Team sponsored by the U.S. Geo- logical Survey (USGS) and NASA met in Mesa, AZ, from March 1-3, 2011. The team met in Mesa so that they could receive briefings and tours of the Landsat Data Continuity Mission (LDCM) spacecraft that is being developed by Orbital Sciences...
Paleoceanograpic changes on the Farallon Escarpment off central California during the last 16,000 years
Mary McGann
2011, Quaternary International (235) 26-39
Review of samples of tailings, soils, and stream sediments adjacent to and downstream from the Ruth Mine, Inyo County, California
James J. Rytuba, Christopher S. Kim, Daniel N. Goldstein
2011, Open-File Report 2011-1105
The Ruth Mine and mill are located in the western Mojave Desert in Inyo County, California (fig. 1). The mill processed gold-silver (Au-Ag) ores mined from the Ruth Au-Ag deposit, which is adjacent to the mill site. The Ruth Au-Ag deposit is hosted in Mesozoic intrusive rocks and is similar...
Geospatial characteristics of Florida's coastal and offshore environments: Administrative and political boundaries and offshore sand resources
Amanda W.J. Demopoulos, Ann M. Foster, Michal L. Jones, Daniel J. Gualtieri
2011, Scientific Investigations Map 3115
The Geospatial Characteristics Geopdf of Florida's Coastal and Offshore Environments is a comprehensive collection of geospatial data describing the political and natural resources of Florida. This interactive map provides spatial information on bathymetry, sand resources, military areas, marine protected areas, cultural resources, locations of submerged cables, and shipping routes. The...
A comparison of mercury burdens between St. Marks National Wildlife Refuge and St. Andrew Bay, Florida: Evaluation of fish body burdens and physiological responses in largemouth bass, spotted seatrout, striped mullet, and sunfish
D.H. Huge, R.H. Rauschenberger, F.M. Wieser, J.M. Hemming
2011, Open-File Report 2011-1056
Musculature from the dorsal region of 130 largemouth bass (Micropterus salmoides), 140 sunfish (Lepomis sp.), 41 spotted seatrout (Cynoscion nebulosus) and 67 striped mullet (Mugil cephalus) were collected from five estuarine and five freshwater sites within the St. Marks National Wildlife Refuge and two estuarine and two freshwater sites from...
