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Page 2794, results 69826 - 69850

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Evidence of disease-related amphibian decline in Colorado
Erin Muths, Paul Stephen Corn, Allan P. Pessier, D. Earl Green
2003, Biological Conservation (110) 357-365
The recent discovery of a pathogenic fungus (Batrachochytrium dendrobatidis) associated with declines of frogs in the American and Australian tropics, suggests that at least the proximate cause, may be known for many previously unexplained amphibian declines. We have monitored boreal toads in Colorado since 1991 at four sites using capturea??recapture...
Watershed inventory, Ravenna Training and Logistics Site, Ohio
Chad J. Ostheimer, John S. Tertuliani
2003, Open-File Report 2002–0495
The Ohio Army National Guard (OHARNG) conducts training activities on the lands it manages to fulfill its primary mission of maintaining combat readiness. One of the training areas OHARNG manages is the Ravenna Training and Logistics Site (RTLS). This facility is co-located with the Ravenna Army Ammunition Plant (RVAAP) in...
Huntington Beach shoreline contamination investigation, Phase III; Coastal circulation and transport patterns: The likelihood of OCSD's plume impacting Huntington Beach shoreline
Marlene Noble, Jingping Xu, Leslie Rosenfeld, John Largier, Peter Hamilton, Burt Jones, George Robertson
2003, Open-File Report 2003-62
A consortium of agencies have conducted an extensive investigation of the coastal ocean circulation and transport pathways off Huntington Beach, with the aim of identifying any causal links that may exist between the offshore discharge of wastewater by OCSD and the significant bacterial contamination observed along the Huntington Beach shoreline....
Phylogeography of infectious haematopoietic necrosis virus in North America
Gael Kurath, Kyle A. Garver, Ryan M. Troyer, Eveline J. Emmenegger, Katja Einer-Jensen, Eric D. Anderson
2003, Journal of General Virology (84) 803-814
Infectious hematopoietic necrosis virus (IHNV) is a rhabdoviral pathogen that infects wild and cultured salmonid fish throughout the Pacific Northwest of North America. IHNV causes severe epidemics in young fish and can cause disease or occur asymptomatically in adults. In a broad survey of 323 IHNV field isolates, sequence analysis...
Discussions of ODP Leg 205 and drilling of Middle America Seismogenic Zone
Roland E. von Huene, Guillerrmo Alvarado, Kevin M. Brown, Robert Harris, Masa Kinoshita, Kiyoshi Suyehiro, Kirk McIntosh, Jason P. Morgan, Julie Morris, Marino Protti, Cesar Ranero, David W. Scholl, Susan Schwartz
2003, Eos Science News (84) 91-92
Erosional convergent margins, where material is removed from the base of the upper plate and subducted on the lower plate, are fundamental features of the Circum Pacific. The erosional Middle America Trench convergent Pacific margin, remarkable for its broad diversity of dynamic environments, is a natural laboratory for studying convergent...
Methods for capturing and banding Kalij Pheasants
John P. Vetter
2003, North American Bird Bander (28) 111-116
We developed methods to capture and band Kalij Pheasants (Lophura leucomelanos) in their introduced range at Hawaii Volcanoes National Park, where they are not hunted and are relatively tame. Kalij were wary of foreign structures, such as traps, but readily took cracked corn bait and entered baited traps, provided they...
Mars Digital Image Model (MDIM) 2.1 control network
Brent A. Archinal, Randolph L. Kirk, T. C. Duxbury, Ella M. Lee, Robert M. Sucharski, Debbie Cook
2003, Conference Paper, Proceedings: ISPRS Working Group IV/9 Workshop
Positional control for MDIM 2.1 comes from a new geodetic/photogrammetric solution of the global Mars Mariner 9 and Viking image control network. The details of this network solution are described here. This network incorporates 1,054 Mariner 9 and 5,317 Viking Orbiter images. Accuracy of the new solution is improved primarily...
Are veterinary medicines causing environmental risks?
Alistair Boxall, Dana W. Kolpin, Bent Halling-Sorensen, Johannes Tolls
2003, Environmental Science & Technology (37) 286A-294A
Too little is known about the effects of these compounds, their metabolites, and degradation products....
Hydrothermal alteration at the Lonar Lake impact structure, India: Implications for impact cratering on Mars
Justin Hagerty, Horton E. Newsom
2003, Meteoritics and Planetary Science (38) 365-381
The 50,000 year old, 1.8 km diameter Lonar crater is one of only two known terrestrial craters to be emplaced in basaltic target rock (the 65 million year old Deccan Traps). The composition of the Lonar basalts is similar to martian basaltic meteorites, which establishes Lonar as an excellent analogue...
Arsenic in New England: Mineralogical and geochemical studies of sources and enrichment pathways
Robert A. Ayuso, Nora K. Foley
2003, Open-File Report 2002-454
Detailed mineralogical, geochemical and radiogenic isotopic studies of iron-sulfide and secondary iron oxy-hydroxide minerals in natural bedrock in coastal Maine and New Hampshire test the link between arsenic-rich sulfide minerals in bedrock and secondary oxy-hydroxide minerals. Samples were selected from over 70 bedrock localities, including 22 within the regionally extensive...
Cascadia Tsunami Deposit Database
Robert Peters, Bruce Jaffe, Guy Gelfenbaum, Curt Peterson
2003, Open-File Report 2003-13
The Cascadia Tsunami Deposit Database contains data on the location and sedimentological properties of tsunami deposits found along the Cascadia margin. Data have been compiled from 52 studies, documenting 59 sites from northern California to Vancouver Island, British Columbia that contain known or potential tsunami deposits. Bibliographical references are provided...
Occurrence of the diamondback terrapin (Malaclemys terrapin littoralis) at South Deer Island in Galveston Bay, Texas, April 2001-May 2002
Jennifer L. Hogan
2003, Open-File Report 2003-22
One-hundred thirty-five terrapins were captured (116 individuals, 19 recaptures) in occurrence and nesting and basking surveys at South Deer Island in Galveston Bay, Texas, during April 2001–May 2002. Along the southern shore of the island, terrapins were captured in crab traps placed in shallow water offshore; in the lagoon on...
Regional sediment budget of the Columbia River littoral cell, USA: Analysis of bathymetric- and topographic-volume change
Maarten C. Buijsman, C. R. Sherwood, A. E. Gibbs, G. Gelfenbaum, G. M. Kaminsky, P. Ruggiero, J. Franklin
2003, Open-File Report 2002-281
In this Open-File Report we present calculations of changes in bathymetric and topographic volumes for the Grays Harbor, Willapa Bay, and Columbia River entrances and the adjacent coasts of North Beach, Grayland Plains, Long Beach, and Clatsop Plains for four intervals: pre-jetty - 1920s (Interval 1), 1920s - 1950s (Interval...
Results of the U.S. Geological Survey's analytical evaluation program for standard reference samples distributed in September 2002
Mark T. Woodworth, Brooke F. Connor
2003, Open-File Report 2002-481
This report presents the results of the U.S. Geological Survey's analytical evaluation program for six standard reference samples -- T-171 (trace constituents), M-164 (major constituents), N-75 (nutrient constituents), N-76 (nutrient constituents), P-39 (low ionic-strength constituents), and Hg-35 (mercury) -- that were distributed in September 2002 to laboratories enrolled in the...
Alaska resource data file: Valdez quadrangle
Travis L. Hudson
2003, Open-File Report 2003-30
The data presented here are maintained as part of a statewide database on mines, prospects and mineral occurrences throughout Alaska....