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Three decades of urbanization: Estimating the impact of land-cover change on stream salamander populations
S.J. Price, M.E. Dorcas, Alisa L. Gallant, R. W. Klaver, J.D. Willson
2006, Biological Conservation (133) 436-441
Urbanization has become the dominant form of landscape disturbance in parts of the United States. Small streams in the Piedmont region of the eastern United States support high densities of salamanders and are often the first habitats to be affected by landscape-altering factors such as urbanization. We used US Geological...
Variability in supply and cross-shelf transport of pink shrimp (Farfantepenaeus duorarum) postlarvae into western Florida Bay
Maria M. Criales, John D. Wang, Joan A. Browder, Michael B. Robblee, Thomas L. Jackson, Clinton D. Hittle
2006, Fishery Bulletin (104) 60-74
The variability in the supply of pink shrimp (Farfantepenaeus duorarum) postlarvae and the transport mechanisms of planktonic stages were investigated with field data and simulations of transport. Postlarvae entering the nursery grounds of Florida Bay were collected for three consecutive years at channels that connect the Bay with the Gulf...
Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste
Ronald C. Peterson, Jane M. Hammarstrom, Robert R. Seal II
2006, American Mineralogist (91) 261-269
Alpersite, Mg0.58Cu0.37Zn0.02Mn0.02Fe0.01SO4·7H2O, a new mineral species with direct relevance to reactions in mine waste, occurs in a mineralogically zoned assemblage in sheltered areas at the abandoned Big Mike mine in central Nevada at a relative humidity of 65% and T = 4 °C. Blue alpersite, which is isostructural with melanterite (FeSO4·7H2O),...
Isolation of viral haemorrhagic septicaemia virus from muskellunge, Esox masquinongy (Mitchill), in Lake St Clair, Michigan, USA reveals a new sublineage of the North American genotype
E. Elsayed, M. Faisal, M. Thomas, G. Whelan, W. Batts, J. Winton
2006, Journal of Fish Diseases (29) 611-619
Viral haemorrhagic septicaemia virus (VHSV) was isolated from muskellunge, Esox masquinongy (Mitchill), caught from the NW portion of Lake St Clair, Michigan, USA in 2003. Affected fish exhibited congestion of internal organs; the inner wall of the swim bladder was thickened and contained numerous budding, fluid-filled vesicles. A virus was...
VP and VS structure of the Yellowstone hot spot from teleseismic tomography: Evidence for an upper mantle plume
Gregory P. Waite, Robert B. Smith, Richard M. Allen
2006, Journal of Geophysical Research B: Solid Earth (111)
The movement of the lithosphere over a stationary mantle magmatic source, often thought to be a mantle plume, explains key features of the 16 Ma Yellowstone–Snake River Plain volcanic system. However, the seismic signature of a Yellowstone plume has remained elusive because of the lack of adequate data. We employ...
Assessment of gamete quality for the eastern oyster (Crassostrea virginica) by use of fluorescent dyes
C. G. Paniagua-Chavez, J. Jenkins, M. Segovia, T.R. Tiersch
2006, Cryobiology (53) 128-138
Evaluation of sperm motility is the single most widely used parameter to determine semen quality in mammals and aquatic species. While a good indicator for fresh sperm viability, post-thaw motility is not always effective at predicting fertilizing ability. Techniques using fluorescent dyes can assess functionality of mammalian sperm, but have...
Channel formation by flow stripping: large-scale scour features along the Monterey East Channel and their relation to sediment waves
A. Fildani, W. R. Normark, S. Kostic, G. Parker
2006, Sedimentology (53) 1265-1287
The Monterey East system is formed by large-scale sediment waves deposited as a result of flows stripped from the deeply incised Monterey fan valley (Monterey Channel) at the apex of the Shepard Meander. The system is dissected by a linear series of steps that take the form of scour-shaped depressions...
Fish community structure in freshwater karstic water bodies of the Sian Ka'an Reserve in the Yucatan peninsula, Mexico
L. Zambrano, E. Vazquez-Dominguez, D. Garcia-Bedoya, W.F. Loftus, J.C. Trexler
2006, Ichthyological Exploration of Freshwaters (17) 193-206
We evaluated the relationship between limnetic characteristics and fish community structure (based on species richness, abundance and individual size) in contrasting but interconnected inland aquatic habitats of freshwater karstic wetlands in the Yucatan peninsula, Mexico. In the western hemisphere, freshwater karstic wetlands are found in south-eastern Mexico, northern Belize, western...
Ground-water surface-water interactions and long-term change in riverine riparian vegetation in the southwestern United States
R. H. Webb, S. A. Leake
2006, Conference Paper, Journal of Hydrology
Riverine riparian vegetation has changed throughout the southwestern United States, prompting concern about losses of habitat and biodiversity. Woody riparian vegetation grows in a variety of geomorphic settings ranging from bedrock-lined channels to perennial streams crossing deep alluvium and is dependent on interaction between ground-water and surface-water resources. Historically, few...
Water resources data New York water year 2005, volume 3: Western New York
Carolyn O. Szabo, Jason S. Grover, S.K. McInnes
2006, Water Data Report NY-05-3
Water resources data for the 2005 water year for Western New York consist of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; ground-water levels and water quality; and quantity and chemical quality of precipitation. This volume contains records for water discharge at...
Evaluation of metal loading to streams near Creede, Colorado, August and September 2000
B. A. Kimball, R.L. Runkel, K. Walton-Day, B.K. Stover
2006, Scientific Investigations Report 2004-5143
Decisions about remediation of mine drainage on the watershed scale require an understanding of metal contributions from all sources to be able to choose the best sites for remediation. A hydrologic framework to study metal loading in the Willow Creek watershed, a tributary to the Rio Grande River, was established...
Geologic map of the middle east rift geothermal subzone, Kīlauea Volcano, Hawaiʻi
Frank A. Trusdell, Richard B. Moore
2006, IMAP 2614
Kīlauea is an active shield volcano in the southeastern part of the Island of Hawai'i. The middle east rift zone (MERZ) map includes about 27 square kilometers of the MERZ and shows the distribution of the products of 37 separate eruptions during late Holocene time. Lava flows erupted during 1983-96...
Pilot inventory of mammals, reptiles, and amphibians, Golden Gate National Recreation Area, California, 1990-1997
Marcia Semenoff-Irving, Judd A. Howell
2005, Open-File Report 2005-1381
The United States Geological Survey Golden Gate Field Station conducted a baseline inventory of terrestrial vertebrates within the Golden Gate National Recreation Area (GGNRA), Marin, San Francisco, and San Mateo Counties, California between 1990 and 1997. We established 456 permanent study plots in 6 major park habitats, including grassland, coastal...
A 40,000-year woodrat-midden record of vegetational and biogeographical dynamics in north-eastern Utah
Stephen T. Jackson, Julio L. Betancourt, Mark E. Lyford, Stephen T. Gray, Kate Aasen Rylander
2005, Journal of Biogeography (32) 1085-1106
Aim A conspicuous climatic and biogeographical transition occurs at 40-45° N in western North America. This pivot point marks a north–south opposition of wet and dry conditions at interannual and decadal time-scales, as well as the northern and southern limits of many dominant western plant species. Palaeoecologists have yet to...
Population size and winter distribution of eastern American oystercatchers
Stephen C. Brown, Shiloh A. Schulte, B. Harrington, Brad Winn, Jonathan Bart, Marshall Howe
2005, Journal of Wildlife Management (69) 1538-1545
Conservation of the eastern subspecies of the American oystercatcher (Haematopus palliatus palliatus) is a high priority in the U.S. Shorebird Conservation Plan, but previous population estimates were unreliable, information on distribution and habitat associations during winter was incomplete, and methods for long-term monitoring had not been developed prior to...
Effects of hunting on survival of American woodcock in the Northeast
Daniel G. McAuley, Jerry R. Longcore, David A. Clugston, R. Bradford Allen, A. Weik, Simon Williams, J. Dunn, B. Palmer, K. Evans, W. Staats, Greg F. Sepik, W. Halteman
2005, Journal of Wildlife Management (69) 1565-1577
Numbers of American woodcock (Scolopax minor) males counted on the annual singing ground survey (SGS) have declined over the last 35 years at an average rate of 2.3% per year in the Eastern Region and 1.8% per year in the Central Region. Although hunting was not thought to be...
Modeling anuran detection and site occupancy on North American Amphibian Monitoring Program (NAAMP) routes in Maryland
Linda Weir, J. Andrew Royle, Priya Nanjappa, Robin E. Jung
2005, Journal of Herpetology (39) 627-639
One of the most fundamental problems in monitoring animal populations is that of imperfect detection. Although imperfect detection can be modeled, studies examining patterns in occurrence often ignore detection and thus fail to properly partition variation in detection from that of occurrence. In this study, we used anuran calling survey...
Impact of special early harvest seasons on subarctic-nesting and temperate-nesting Canada geese
S. E. Sheaffer, William L. Kendall, E. Frank Bowers
2005, Journal of Wildlife Management (69) 1494-1507
Dramatic changes in wintering distributions of Canada geese (Branta canadensis) have occurred over the past 50 years in eastern North America. Declines in numbers of subarctic-nesting geese wintering in southern states, and increases in numbers wintering in northern regions, have resulted in a northern shift in winter distributions. In...
Phylogeography of the American woodcock (Scolopax minor): Are management units based on band recovery data reflected in genetically based management units?
J.M. Rhymer, D.G. McAuley, H.L. Ziel
2005, The Auk (122) 1149-1160
Information on population connectivity throughout the annual cycle has become more crucial, because populations of many migratory birds are in decline. One such species is the American Woodcock (Scolopax minor), which inhabits early-successional forests in eastern North America. Although band recoveries have proved useful for dividing populations of this game...
Vulnerability of northern prairie wetlands to climate change
W. Carter Johnson, Bruce Millett, Tagir Gilmanov, Richard A. Voldseth, Glenn R. Guntenspergen, David E. Naugle
2005, BioScience (55) 863-872
The prairie pothole region (PPR) lies in the heart of North America and contains millions of glacially formed, depressional wetlands embedded in a landscape matrix of natural grassland and agriculture. These wetlands provide valuable ecosystem services and produce 50% to 80% of the continent's ducks. We explored the...
Current range of the eastern population of Painted Bunting (Passerina ciris). Part 1: Breeding
P.W. Sykes Jr., S. Holzman
2005, North American Birds (59) 4-17
This paper presents the current breeding range of Painted Bunting (Passerina ciris) in a series of maps and a narrative, in particular that of the eastern population, which is restricted to the states of North Carolina, South Carolina, Georgia, and Florida. Some conservation measures are recommended to protect this...
Potential impact of Dare County landfills on Alligator River National Wildlife Refuge
Parley V. Winger, Peter J. Lasier, Tom Augspurger
2005, Integrated Environmental Assessment and Management (1) 267-282
Runoff of leachate from East Lake and Dare County Construction and Demolition Debris landfills has the potential to impact wildlife resources at Alligator River National Wildlife Refuge, Dare and Hyde Counties, North Carolina. Sediment quality of samples collected in August 2000 at 14 locations down-gradient from the landfills was assessed...
Estimation of stream salamander (Plethodontidae, Desmognathinae and Plethodontinae) populations in Shenandoah National Park, Virginia, USA
R.E. Jung, J. Andrew Royle, J.R. Sauer, C. Addison, R.D. Rau, J.L. Shirk, J.C. Whissel
2005, Alytes (22) 72-84
Stream salamanders in the family Plethodontidae constitute a large biomass in and near headwater streams in the eastern United States and are promising indicators of stream ecosystem health. Many studies of stream salamanders have relied on population indices based on counts rather than population estimates based on techniques such...
Delineation of surf scoter habitat in Chesapeake Bay, Maryland: macrobenthic and sediment composition of surf scoter feeding sites
D.M. Kidwell, Matthew C. Perry
2005, Book chapter, Second North American Sea Duck Conference, November 7-11, 2005, Annapolis, Maryland. Program and Abstracts
Surveys of surf scoters (Melanitta perspicillata) along the Atlantic coast of the United States have shown population declines in recent decades. The Chesapeake Bay has traditionally been a key wintering area for surf scoters. Past and present research has shown that bivalves constitute a major food item for...