Rural cases of equine West Nile virus encephalomyelitis and the normalized difference vegetation index
M.P. Ward, B.H. Ramsay, K. Gallo
2005, Vector-Borne and Zoonotic Diseases (5) 181-188
Data from an outbreak (August to October, 2002) of West Nile virus (WNV) encephalomyelitis in a population of horses located in northern Indiana was scanned for clusters in time and space. One significant (p = 0.04) cluster of case premises was detected, occurring between September 4 and 10 in the...
Taricha torosa torosa (Coast Range Newt): Overwintering larvae
Steven L. Carroll, Edward L. Ervin, Robert N. Fisher
2005, Herpetological Review (36) 297-297
We present observations of overwintering behavior in Taricha torosa torosa larvae at two independent sites. We define overwintering larvae as newts that spend the entire winter season in the larval form. The winter season (December, January, and February) represents the average three coldest months for the southern California coastal region...
U/Th dating by SHRIMP RG ion-microprobe mass spectrometry using single ion-exchange beads
J. L. Bischoff, J. Wooden, F. Murphy, Ross W. Williams
2005, Geochimica et Cosmochimica Acta (69) 1841-1846
We present a new analytical method for U-series isotopes using the SHRIMP RG (Sensitive High mass Resolution Ion MicroProbe) mass spectrometer that utilizes the preconcentration of the U-series isotopes from a sample onto a single ion-exchange bead. Ion-microprobe mass spectrometry is capable of producing Th ionization efficiencies in excess of...
Post-Cedar Fire Arroyo Toad (Bufo californicus) Monitoring Surveys at Cuyamaca Rancho State Park, 2004. Final Report
M.B. Mendelsohn, M. C. Madden-Smith, Robert N. Fisher
2005, Report
No abstract available at this time...
Protocols for drawing blood from the brachial plexus of desert tortoises: Instructions for ordering equipment and culture media; summary of how to draw blood and information on how to contract for laboratory analysis and ship laboratory samples. Appendix on New Technique for Conducting Nasal Lavages by L. Wendland
K.H. Berry, A. Demmon, T. Bailey
2005, Report
No abstract available at this time...
Southwestern willow flycatcher breeding site and territory summary - 2003
S.L. Durst, M. K. Sogge, A.B. Smith, S. O Williams III, B.E. Kus, S.J. Sferra
2005, Report
No abstract available at this time...
Penrose Conference Report: Secular variation in tectonics and allied fields
D. Bradley, J. Dewey
2005, Conference Paper, GSA Today
[No abstract available]...
Movements and home ranges of mountain plovers raising broods in three Colorado landscapes
V.J. Dreitz, Michael B. Wunder, F.L. Knopf
2005, The Wilson Bulletin (117) 128-132
We report movements and home-range sizes of adult Mountain Plovers (Charadrius montanus) with broods on rangeland, agricultural fields, and prairie dog habitats in eastern Colorado. Estimates of home range size (95% fixed kernel) were similar across the three habitats: rangeland (146.1 ha ± 101.5), agricultural fields (131.6 ha ± 74.4),...
Linking the scales of observation, process, and modeling of dust emissions
K.E. Kohfeld, R. L. Reynolds, J.D. Pelletier, B. Nickling
2005, Conference Paper, Eos
[No abstract available]...
Waterfowl distribution, movements, and habitat use relative to recent habitat changes in the Central Valley of California: A cooperative project to investigate impacts of the Central Valley Joint Venture and changing agricultural practices on the ecology of wintering waterfowl. Final Report
J. P. Fleskes, J.L. Yee, Michael L. Casazza, M. R. Miller, John Y. Takekawa, D.L. Orthmeyer
2005, Report
No abstract available at this time...
Monitoring a restless volcano: The 2004 eruption of Mount St. Helens
C. Gardner
2005, Geotimes (50)
Although the precise course of volcanic activity is difficult to predict, volcanologists are pretty adept at interpreting volcanic signals from well-monitored volcanoes in order to make short-term forecasts. Various monitoring tools record effects to give us warning before eruptions, changes in eruptive behavior during eruptions, or signals that an eruption...
Estimating discharge in rivers using remotely sensed hydraulic information
D.M. Bjerklie, D. Moller, L.C. Smith, S.L. Dingman
2005, Journal of Hydrology (309) 191-209
A methodology to estimate in-bank river discharge exclusively from remotely sensed hydraulic data is developed. Water-surface width and maximum channel width measured from 26 aerial and digital orthophotos of 17 single channel rivers and 41 SAR images of three braided rivers were coupled with channel slope data obtained from topographic...
Clinic and field training for desert tortoise health assessments at the Marine Corps Air Ground Combat Center, Twentynine Palms, California. May 22-28, 2004
K.H. Berry, A. Demmon
2005, Report
No abstract available at this time...
A cohabitation challenge to compare the efficacies of vaccines for bacterial kidney disease (BKD) in chinook salmon Oncorhynchus tshawytscha
S. Alcorn, A.L. Murray, R.J. Pascho, J. Varney
2005, Diseases of Aquatic Organisms (63) 151-160
The relative efficacies of 1 commercial and 5 experimental vaccines for bacterial kidney disease (BKD) were compared through a cohabitation waterborne challenge. Groups of juvenile chinook salmon Oncorhynchus tshawytscha were vaccinated with one of the following: (1) killed Renibacterium salmoninarum ATCC 33209 (Rs 33209) cells; (2) killed Rs 33209 cells...
U-Pb zircon geochronology of Paleoproterozoic plutons from the northern midcontinent, USA: Evidence for subduction flip and continued convergence after geon 18 Penokean orogenesis
D.K. Holm, W. R. Van Schmus, L.C. MacNeill, Terrence Boerboom, D. Schweitzer, D. Schneider
2005, Geological Society of America Bulletin (117) 259-275
We propose that the late Paleoproterozoic igneous and deformational history preserved in the northern midcontinent United States can be explained by a change in subduction-polarity from geon 18 south-dipping subduction during Penokean accretion to geon 17 north-dipping subduction as convergence continued after Penokean orogenesis. New U-Pb zircon ages indicate that...
Alunite in the Pascua-Lama high-sulfidation deposit: Constraints on alteration and ore deposition using stable isotope geochemistry
C. L. Deyell, R. Leonardson, R. O. Rye, J. F. H. Thompson, T. Bissig, D. R. Cooke
2005, Economic Geology (100) 131-148
The Pascua-Lama high-sulfidation system, located in the El Indio-Pascua belt of Chile and Argentina, contains over 16 million ounces (Moz) Au and 585 Moz Ag. The deposit is hosted primarily in granite rocks of Triassic age with mineralization occurring in several discrete Miocene-age phreatomagmatic breccias and related fracture networks. The...
Ecology and physiology of en route Nearctic-Neotropical migratory birds: A call for collaboration
Patricia J. Heglund, Susan K. Skagen
2005, Condor (107) 193-196
No abstract available....
Biogeochemical and metabolic responses to the flood pulse in a semiarid floodplain
H. M. Valett, M. A. Baker, J. A. Morrice, C. S. Crawford, M. C. Molles Jr., Clifford N. Dahm, D. L. Moyer, J. R. Thibault, L. M. Ellis
2005, Ecology (86) 220-234
Flood pulse inundation of riparian forests alters rates of nutrient retention and organic matter processing in the aquatic ecosystems formed in the forest interior. Along the Middle Rio Grande (New Mexico, USA), impoundment and levee construction have created riparian forests that differ in their inter-flood intervals (IFIs) because some floodplains...
Use of isotopes, age-dating, and numerical simulation to evaluate source histories and transport of NO3- to public supply wells in principal aquifers of the United States
P.B. McMahon, J.K. Bohlke, C. Brown, K. Burow, C. A. Crandall, Matthew K. Landon
2005, Conference Paper, Proceedings of the 6th International Symposium on Applied Isotope Geochemistry
No abstract available. ...
Carbon, nitrogen, and phosphorus accumulation in floodplains of Atlantic Coastal Plain rivers, USA
Gregory E. Noe, Cliff Hupp
2005, Ecological Applications (15) 1178-1190
Net nutrient accumulation rates were measured in riverine floodplains of the Atlantic Coastal Plain in Virginia, Maryland, and Delaware, USA. The floodplains were located in watersheds with different land use and included two sites on the Chickahominy River (urban), one site on the Mattaponi River (forested), and five sites on...
Participant observations on environmental and social effects of the Conservation Reserve Program: Results of a national survey
A.W. Allen
2005, Technical Review 05-2
No abstract available....
A long-term (50 yr) historical perspective on flood-generating winter storms in the American River basin
M. D. Dettinger
2005, Conference Paper, Proceedings, 2005 California Extreme Precipitation Symposium
No abstract available....
American black bears and bee yard depredation at Okefenokee Swamp, Georgia
J. D. Clark, S. Dobey, D.V. Masters, B.K. Scheick, M.R. Pelton, M.E. Sunquist
2005, Ursus (16) 234-244
We studied American black bears (Ursus americanus), on the northwest periphery of Okefenokee Swamp in southeast Georgia, to assess landowner attitudes toward bears, estimate the extent of damage to commercial honey bee operations by bears, and evaluate methods to reduce bear depredations to apiaries. We collected 8,351 black bear radiolocations...
Parental nest defense on videotape: More reality than "myth"
Pamela J. Pietz, Diane A. Granfors
2005, The Auk (122) 701-705
Predation is recognized as the primary source of nest mortality in most passerine species (e.g. Ricklefs 1969, Martin 1992a); thus, it is no surprise that parental nest defense has received considerable scientific attention (see below). By nest defense, we refer to any parental behavior that decreases the probability that a...
Statistical guides to estimating the number of undiscovered mineral deposits: an example with porphyry copper deposits
Donald A. Singer, W. D. Menzie
Qiuming Cheng, G. F. Bonham-Carter, editor(s)
2005, Conference Paper, Proceedings of IAMG—The annual conference of the International Assoc. for Mathematical Geology
Estimating numbers of undiscovered mineral deposits is a fundamental part of assessing mineral resources. Some statistical tools can act as guides to low variance, unbiased estimates of the number of deposits. The primary guide is that the estimates must be consistent with the grade and tonnage models. Another statistical guide...
