Serologic survey for canine coronavirus in wolves from Alaska
Randall L. Zarnke, Jim F. Evermann, Jay M. Ver Hoef, Mark E. McNay, Rodney D. Boertje, Craig L. Gardner, Layne G. Adams, Bruce W. Dale, John W. Burch
2001, Journal of Wildlife Diseases (37) 740-745
Wolves (Canis lupus) were captured in three areas of Interior Alaska (USA). Four hundred twenty-five sera were tested for evidence of exposure to canine coronavirus by means of an indirect fluorescent antibody procedure. Serum antibody prevalence averaged 70% (167/240) during the spring collection period and 25% (46/185) during the autumn...
Known and suggested quaternary faulting in the midcontinent United States
R. L. Wheeler, A. J. Crone
2001, Engineering Geology (62) 51-78
The midcontinent United States between the Appalachian and Rocky Mountains contains 40 known faults or other potentially tectonic features for which published geologic information shows or suggests Quaternary tectonic faulting. We report results of a systematic evaluation of published and other publicly available geologic evidence of Quaternary faulting. These results...
Crustal deformation rates in Central and Eastern U.S. inferred from GPS
Weijun Gan, W.H. Prescott
2001, Geophysical Research Letters (28) 3733-3736
Analysis of continuous GPS observations between 1996 and 2000 at 62 stations distributed throughout the central and eastern United States suggests that the area is generally stable. Seven of the 62 stations show anomalous velocities, but there is reason to suspect their monument stability. Assuming the remaining 55 stations are...
Watershed scaling effect on base flow nitrate, valley and ridge physiographic province
B.D. Lindsey, W.J. Gburek, G.J. Folmar
2001, Journal of the American Water Resources Association (37) 1103-1117
A study of stream base flow and NO3-N concentration was conducted simultaneously in 51 subwatersheds within the 116-square-kilometer watershed of East Mahantango Creek near Klingerstown, Pennsylvania. The study was designed to test whether measurable results of processes and observations within the smaller watersheds were similar to or transferable to a...
Influences of watershed, riparian-corridor, and reach-scale characteristics on aquatic biota in agricultural watersheds
J.S. Stewart, L. Wang, J. Lyons, J.A. Horwatich, R. Bannerman
2001, Journal of the American Water Resources Association (37) 1475-1487
Multivariate analyses and correlations revealed strong relations between watershed and riparian-corridor land cover, and reach-scale habitat versus fish and macroinvertebrate assemblages in 38 warmwater streams in eastern Wisconsin. Watersheds were dominated by agricultural use, and ranged in size from 9 to 71 km2 Watershed land cover was summarized from satellite-derived data...
The Gibbs free energy of nukundamite (Cu3.38Fe0.62S4): A correction and implications for phase equilibria
Robert R. Seal, II, E. E. Inan, Bruce S. Hemingway
2001, Canadian Mineralogist (39) 1635-1640
The Gibbs free energy of formation of nukundamite (Cu3.38Fe0.62S4) was calculated from published experimental studies of the reaction 3.25 Cu3.38Fe0.62S4 + S2 = 11 CuS + 2 FeS2 in order to correct an erroneous expression in the published record. The correct expression describing the Gibbs free energy of formation (kJ·mol−1) of nukundamite relative...
Spatial and temporal variation in diets of Spotted Owls in Washington
E.D. Forsman, I.A. Otto, S.G. Sovern, M. Taylor, D.W. Hays, H. Allen, S.L. Roberts, D.E. Seaman
2001, Journal of Raptor Research (35) 141-150
We studied diets of Northern Spotted Owls (Strix occidentalis caurina) in three different regions of Washington State during 1983-96. Northern flying squirrels (Glaucomys sabrinus) were the most important prey in most areas, comprising 29-54% of prey numbers and 45-59% of prey biomass. Other important prey included snowshoe hares (Lepus americanus),...
Droughts, epic droughts and droughty centuries - lessons from a California paleoclimatic record: a PACLIM 2001 meeting report
M. D. Dettinger
2001, Interagency Ecological Program Newsletter (14) 51-53
During the early 1990s (but echoing studies by S.T. Harding at the University of California, from as early as the 1930s), several lines of paleoclimate evidence in and around the Sierra Nevada Range have provided the water community in California with some real horror stories. By studying ancient tree stumps...
Constraints on dike propagation from continuous GPS measurements
P. Segall, Peter Cervelli, S. Owen, M. Lisowski, Asta Mikijus
2001, Journal of Geophysical Research B: Solid Earth (106) 19301-19317
The January 1997 East Rift Zone eruption on Kilauea volcano, Hawaii, occurred within a network of continuous Global Positioning System (GPS) receivers. The GPS measurements reveal the temporal history of deformation during dike intrusion, beginning ∼8 hours prior to the onset of the eruption. The dike volume as a function...
First finding of the amphipod Echinogammarus ischnus and the mussel Dreissena bugensis in Lake Michigan
Thomas F. Nalepa, Don W. Schloesser, Steve A. Pothoven, Darryl W. Hondorp, David L. Fanslow, Marc L. Tuchman, Guy W. Fleischer
2001, Journal of Great Lakes Research (27) 384-391
The first finding of the amphipod Echinogammarus ischnus and the mussel Dreissena bugensis in Lake Michigan is documented. These two species are widespread and abundant in the lower lakes, but had not yet been reported from Lake Michigan. E. ischnus is generally considered a warmwater form that is typically associated with hard substrates and Dreissena clusters in the...
A field and statistical modeling study to estimate irrigation water use at Benchmark Farms study sites in southwestern Georgia, 1995-96
Julia L. Fanning, Gregory E. Schwarz, William C. Lewis
2001, Water-Resources Investigations Report 2000-4292
A benchmark irrigation monitoring network of farms located in a 32-county area in southwestern Georgia was established in 1995 to improve estimates of irrigation water use. A stratified random sample of 500 permitted irrigators was selected from a data base--maintained by the Georgia Department of Natural Resources, Georgia Environmental Protection...
Silent reminders: geologic wonders of the George Washington and Jefferson National Forests
Water Resources Division, U.S. Geological Survey, U.S. Forest Service
2001, Report
The iron industry played a vital role in the industrialization of the United States and in the development of the U.S. economy and society. Much of the early history of the iron industry took place in Virginia. The remains of 11 iron furnaces and nearby mines in the George Washington...
West Nile virus transmission and ecology in birds
Robert G. McLean, S. R. Ubico, Douglas E. Docherty, Wallace R. Hansen, Louis Sileo, T. S. Mcnamara
2001, Annals of the New York Academy of Sciences (951) 54-57
The ecology of the strain of West Nile virus (WNV) introduced into the United States in 1999 has similarities to the native flavivirus, St. Louis encephalitis (SLE) virus, but has unique features not observed with SLE virus or with WNV in the old world. The primary route of transmission for...
Area requirements of grassland birds: A regional perspective
Douglas H. Johnson, Lawrence D. Igl
2001, The Auk (118) 24-34
Area requirements of grassland birds have not been studied except in tallgrass prairie. We studied the relation between both species-occurrence and density and patch size by conducting 699 fixed-radius point counts of 15 bird species on 303 restored grassland areas in nine counties in four northern Great Plains states. Northern...
Diagnostic histological findings in Yosemite toads (Bufo canorus) from die-off in the 1970s
D. Earl Green, Cynthia Kagarise Sherman
2001, Journal of Herpetology (35) 92-103
Twelve adult and 25 larval Yosemite toad (Bufo canorus) specimens from the eastern Sierra Nevada of California were examined histologically for evidence of infectious, toxicological, and degenerative diseases. The preserved toads were selected from 21 that had been salvaged or collected during a die-off in 1976-1979 that immediately preceded a...
Diet composition and fish consumption of double-crested cormorants from the Little Galloo Island colony of eastern lake Ontario in 2000
J. H. Johnson, R. M. Ross, R.D. McCullough, B. Edmonds
2001, Report, New York State Department of Environmental Conservation 2000 Annual Report; NYSDEC Lake Ontario Annual Report 2000
No abstract available at this time...
Diet composition and fish consumption of double-crested cormorants from the Pigeon and Snake Island colonies of eastern Lake Ontario in 2000
J. H. Johnson, R. M. Ross, R.D. McCullough, B. Edmonds
2001, Report, New York State Department of Environmental Conservation 2000 Annual Report; NYSDEC Lake Ontario Annual Report 2000
No abstract available at this time...
Biological structure and dynamics of littoral fish assemblages in the eastern Finger Lakes
James E. McKenna Jr.
2001, Aquatic Ecosystem Health & Management (4) 91-114
Fish assemblages from three of the New York Finger Lakes were examined for structure within and between lakes and over time. Species-area relationships indicated that local fish assemblages are the result of recent, lake-specific events that altered the regional species pool. Fish assemblages varied among seasons and those occupying eutrophic...
Detection of Perkinsus marinus extracellular proteins tissues of the eastern oyster Crassostrea virginica: Potential use diagnostic assays
C. A. Ottinger, T.D. Lewis, D.A. Shapiro, M. Faisal, S.L. Kaattari
2001, Journal of Aquatic Animal Health (13) 133-141
Perkinsus marinus, the cause of serious losses of the eastern oyster Crassostrea virginica, secretes extracellular proteins (ECP) in culture (in vitro) including serine proteases. The production of similar ECP in the eastern oyster (in vivo) and their role in pathogenicity, however, remain to be elucidated. The induction and dissemination of these...
Pesticides and amphibian declines in California, USA
Donald W. Sparling, Gary M. Fellers, Laura McConnell
2001, Environmental Toxicology and Chemistry (20) 1591-1595
Several species of anuran amphibians have undergone drastic population declines in the western United States over the last 10 to 15 years. In California, the most severe declines are in the Sierra Mountains east of the Central Valley and downwind of the intensely agricultural San Joaquin Valley. In contrast, coastal...
Simulating the impact of human land use change on forest composition in the Great Plains agroecosystems with the Seedscape model
W.E. Easterling, J.R. Brandle, C.J. Hays, Q. Guo, D.S. Guertin
2001, Ecological Modelling (104) 163-176
The expansion and contraction of marginal cropland in the Great Plains often involves small forested strips of land that provide important ecological benefits. The effect of human disturbance on these forests is not well known. Because of their unique structure such forests are not well-represented by forest gap models. In...
Fall migration routes, timing, and wintering sites of North American ospreys as determined by satellite telemetry
M.S. Martell, Charles J. Henny, P. Nye, Matthew J. Solensky
2001, The Condor (103) 715-724
Satellite telemetry was used to determine fall migratory movements of Ospreys (Pandion haliaetus) breeding in the United States. Study areas were established along the lower Columbia River between Oregon and Washington; in north-central Minnesota; on Shelter Island, New York; and in southern New Jersey. Seventy-four adults (25 males, 49 females)...
Ploidy race distributions since the Last Glacial Maximum in the North American desert shrub, Larrea tridentata
Kimberly L. Hunter, Julio L. Betancourt, Brett R. Riddle, Thomas R. Van Devender, K.L. Cole, W. G. Spaulding
2001, Global Ecology and Biogeography (10) 521-533
A classic biogeographic pattern is the alignment of diploid, tetraploid and hexaploid races of creosote bush (Larrea tridentata) across the Chihuahuan, Sonoran and Mohave Deserts of western North America. We used statistically robust differences in guard cell size of modern plants and fossil leaves from packrat middens to...
Water Resources Data, New York, Water Year 2000; Volume 1. Eastern New York; Excluding Long Island
Gerard K. Butch, Patricia M. Murray, Thomas P. Suro, Jay F. Weigel
2001, Water Data Report NY-00-1
Water resources data for the 2000 water year for New York consist of records of stage, discharge, and 'water quality of streams; stage, contents, and water quality of lakes and reservoirs; and ground-water levels. This volume contains records for water discharge at 139 gaging stations; stage only at 10 gaging...
Ground-water discharge determined from estimates of evapotranspiration, Death Valley regional flow system, Nevada and California
Randell J. Laczniak, J. LaRue Smith, Peggy E. Elliott, Guy A. DeMeo, Melissa A. Chatigny, Gaius J. Roemer
2001, Water-Resources Investigations Report 2001-4195
The Death Valley regional flow system (DVRFS) is one of the larger ground-water flow systems in the southwestern United States and includes much of southern Nevada and the Death Valley region of eastern California. Centrally located within the ground-water flow system is the Nevada Test Site (NTS). The NTS, a...
