Movement patterns of rural and suburban white-tailed deer in Massachusetts
C.R. Gaughan, S. DeStefano
2005, Urban Ecosystems (8) 191-202
We used satellite land cover data and the program FRAGSTATS toquantify land cover types and calculate the amount of forest edge available in suburban and rural regions of northeastern and northwestern Massachusetts. Cover categories included forest cover, open canopy vegetation, and non-deer habitat. We calculated all edge segments where forest...
Comparing maps of mean monthly surface temperature and precipitation for Alaska and adjacent areas of Canada produced by two different methods
James J. Simpson, Gary L. Hufford, Christopher Daly, Jared S. Berg, Michael D. Fleming
2005, Arctic (58) 137-161
Maps of mean monthly surface temperature and precipitation for Alaska and adjacent areas of Canada, produced by Oregon State University's Spatial Climate Analysis Service (SCAS) and the Alaska Geospatial Data Clearinghouse (AGDC), were analyzed. Because both sets of maps are generally available and in use by the community, there is...
Mapping and prediction of Coal Workers' Pneumoconiosis with bioavailable iron content in the bituminous coals
X. Huang, W. Li, M.D. Attfield, A. Nadas, K. Frenkel, R. B. Finkelman
2005, Environmental Health Perspectives (113) 964-968
Based on the first National Study of Coal Workers' Pneumoconiosis (CWP) and the U.S. Geological Survey database of coal quality, we show that the prevalence of CWP in seven coal mine regions correlates with levels of bioavailable iron (BAI) in the coals from that particular region (correlation coefficient r =...
The seismic project of the National Tsunami Hazard Mitigation Program
D. H. Oppenheimer, A.N. Bittenbinder, B.M. Bogaert, R.P. Buland, L.D. Dietz, R.A. Hansen, S. D. Malone, C.S. McCreery, T.J. Sokolowski, P.M. Whitmore, C.S. Weaver
2005, Natural Hazards (35) 59-72
In 1997, the Federal Emergency Management Agency (FEMA), National Oceanic and Atmospheric Administration (NOAA), U.S. Geological Survey (USGS), and the five western States of Alaska, California, Hawaii, Oregon, and Washington joined in a partnership called the National Tsunami Hazard Mitigation Program (NTHMP) to enhance the quality and quantity of seismic...
Genetic effects of a large-scale Spartina alterniflora (smooth cordgrass) dieback and recovery in the northern Gulf of Mexico
K.R. Edwards, S.E. Travis, C.E. Proffitt
2005, Estuaries (28) 204-214
A large-scale dieback event struck marshes along the northwestern Gulf of Mexico coast during summer 2000, in apparent response to a prolonged and severe drought. Along the Louisiana coast, large areas of the dominant marsh species, Spartina alterniflora, turned brown, followed by death of at least the aboveground...
Reconstructing a 180 yr record of natural and anthropogenic induced low-oxygen conditions from Louisiana continental shelf sediments
L.E. Osterman, R.Z. Poore, P.W. Swarzenski, R.E. Turner
2005, Geology (33) 329-332
Hypoxia on the Louisiana continental shelf is tied to nutrient Loading and freshwater stratification from the Mississippi River. Variations in the relative abundance of low-oxygen-tolerant benthic foraminifers in four sediment cores from the Louisiana shelf provide a proxy record of low-oxygen events. Core chronologies are obtained using 210Pb dating techniques....
Delineating priority habitat areas for the conservation of Andean bears in northern Ecuador
M.F. Peralvo, F. Cuesta, F. Van Manen
2005, Ursus (16) 222-233
We sought to identify priority areas for the conservation of Andean bear (Tremarctos ornatus) habitat in the northern portion of the eastern Andean cordillera in Ecuador. The study area included pa??ramo and montane forest habitats within the Antisana and Cayambe-Coca ecological reserves, and unprotected areas north of these reserves with...
Ranking the risk of wildlife species hazardous to military aircraft
E. J. Zakrajsek, John A. Bissonette
2005, Wildlife Society Bulletin (33) 258-264
Collisions between birds and aircraft (birdstrikes) pose a major threat to aviation safety. Different species pose different levels of threat; thus, identification of the most hazardous species can help managers identify the level of hazard and prioritize mitigation efforts. Dolbeer et al. (2000) assessed the hazard posed by birds to...
Assessing background ground water chemistry beneath a new unsewered subdivision
J.D. Wilcox, K. R. Bradbury, C. L. Thomas, J.M. Bahr
2005, Ground Water (43) 787-795
Previous site-specific studies designed to assess the impacts of unsewered subdivisions on ground water quality have relied on upgradient monitoring wells or very limited background data to characterize conditions prior to development. In this study, an extensive monitoring program was designed to document ground water conditions prior to construction of...
A geostatistical approach for describing spatial pattern in stream networks
L.M. Ganio, C.E. Torgersen, R. E. Gresswell
2005, Frontiers in Ecology and Evolution (3) 138-144
The shape and configuration of branched networks influence ecological patterns and processes. Recent investigations of network influences in riverine ecology stress the need to quantify spatial structure not only in a two-dimensional plane, but also in networks. An initial step in understanding data from stream networks is discerning non-random patterns...
An analysis of region-of-influence methods for flood regionalization in the Gulf-Atlantic Rolling Plains
Ken Eng, Gary D. Tasker, P. C. D. Milly
2005, Journal of the American Water Resources Association (41) 135-143
Region-of-influence (RoI) approaches for estimating stream flow characteristics at ungaged sites were applied and evaluated in a case study of the 50-year peak discharge in the Gulf-Atlantic Rolling Plains of the southeastern United States. Linear regression against basin characteristics was performed for each ungaged site considered based on data from...
Taxonomic relationships among Phenacomys voles as inferred by cytochrome b
M.R. Bellinger, S. M. Haig, E.D. Forsman, T.D. Mullins
2005, Journal of Mammalogy (86) 201-210
Taxonomic relationships among red tree voles (Phenacomys longicaudus longicaudus, P. l. silvicola), the Sonoma tree vole (P. pomo), the white-footed vole (P. albipes), and the heather vole (P. intermedius) were examined using 664 base pairs of the mitochondrial cytochrome b gene. Results indicate specific differences among red tree voles, Sonoma...
Factors controlling tungsten concentrations in ground water, Carson Desert, Nevada
R. L. Seiler, K.G. Stollenwerk, J.R. Garbarino
2005, Applied Geochemistry (20) 423-441
n investigation of a childhood leukemia cluster by US Centers for Disease Control and Prevention revealed that residents of the Carson Desert, Nevada, are exposed to high levels of W and this prompted an investigation of W in aquifers used as drinking water sources. Tungsten concentrations in 100 ground water...
Constraints on fault slip rates of the southern California plate boundary from GPS velocity and stress inversions
T.W. Becker, J.L. Hardebeck, G. Anderson
2005, Geophysical Journal International (160) 634-650
We use Global Positioning System (GPS) velocities and stress orientations inferred from seismicity to invert for the distribution of slip on faults in the southern California plate-boundary region. Of particular interest is how long-term slip rates are partitioned between the Indio segment of the San Andreas fault (SAF), the San...
A method for the use of landscape metrics in freshwater research and management
F.R. Kearns, N.M. Kelly, J.L. Carter, V.H. Resh
2005, Landscape Ecology (20) 113-125
Freshwater research and management efforts could be greatly enhanced by a better understanding of the relationship between landscape-scale factors and water quality indicators. This is particularly true in urban areas, where land transformation impacts stream systems at a variety of scales. Despite advances in landscape quantification methods, several studies...
Assessing contaminant sensitivity of endangered and threatened aquatic species: Part I. Acute toxicity of five chemicals
F.J. Dwyer, F.L. Mayer, L.C. Sappington, D.R. Buckler, C.M. Bridges, I.E. Greer, D.K. Hardesty, C.E. Henke, C.G. Ingersoll, J.L. Kunz, D.W. Whites, T. Augspurger, D.R. Mount, K. Hattala, G.N. Neuderfer
2005, Archives of Environmental Contamination and Toxicology (48) 143-154
Assessment of contaminant impacts to federally identified endangered, threatened and candidate, and state-identified endangered species (collectively referred to as "listed" species) requires understanding of a species' sensitivities to particular chemicals. The most direct approach would be to determine the sensitivity of a listed species to a particular contaminant or perturbation....
Characterization of waste rock associated with acid drainage at the Penn Mine, California, by ground-based visible to short-wave infrared reflectance spectroscopy assisted by digital mapping
S.I.C. Montero, G.H. Brimhall, Charles N. Alpers, G.A. Swayze
2005, Chemical Geology (215) 453-472
Prior to remediation at the abandoned Cu-Zn Penn Mine in the Foothills massive sulfide belt of the Sierra Nevada, CA, acid mine drainage (AMD) was created, in part, by the subaerial oxidation of sulfides exposed on several waste piles. To support remediation efforts, a mineralogical study of the waste piles...
Behavior of a chlorinated ethene plume following source-area treatment with Fenton's reagent
F. H. Chapelle, P. M. Bradley, C.C. Casey
2005, Ground Water Monitoring and Remediation (25) 131-141
Monitoring data collected over a 6‐year period show that a plume of chlorinated ethene–contaminated ground water has contracted significantly following treatment of the contaminant source area using in situ oxidation. Prior to treatment (1998), concentrations of perchloroethene (PCE) exceeded 4500 μg/L in a contaminant source area associated with a municipal...
Crack azimuths on Europa: The G1 lineament sequence revisited
A.R. Sarid, R. Greenberg, G.V. Hoppa, D.M. Brown Jr., P. Geissler
2005, Icarus (173) 469-479
The tectonic sequence in the anti-jovian area covered by regional mapping images from Galileo's orbit E15 is determined from a study of cross-cutting relationships among lineament features. The sequence is used to test earlier results from orbit G1, based on lower resolution images, which appeared to display a progressive change...
Unusually low rates of slip on the Santa Rosa Range fault zone, northern Nevada
S. F. Personius, S. A. Mahan
2005, Bulletin of the Seismological Society of America (95) 319-333
The Santa Rosa Range fault zone (SRRFZ) is one of the most topographically prominent normal fault systems in the northern Basin and Range province of the western United States. It has been assigned high rates of vertical slip by others and has been identified as a possible site of the...
Broad-scale predictors of canada lynx occurrence in eastern North America
C.L. Hoving, D.J. Harrison, W.B. Krohn, R.A. Joseph, M. O'Brien
2005, Journal of Wildlife Management (69) 739-751
The Canada lynx (Lynx canadensis) is listed as a threatened species throughout the southern extent of its geographic range in the United States. Most research on lynx has been conducted in the western United States and Canada; little is known about the ecology of lynx in eastern North America. To...
Distribution patterns of mercury in Lakes and Rivers of northeastern North America
Ian F. Dennis, Thomas A. Clair, Charles T. Driscoll, Neil Kamman, Ann T. Chalmers, Jamie Shanley, Stephen A. Norton, Steve Kahl
2005, Ecotoxicology (14) 113-123
We assembled 831 data points for total mercury (Hgt) and 277 overlapping points for methyl mercury (CH3Hg+) in surface waters from Massachussetts, USA to the Island of Newfoundland, Canada from State, Provincial, and Federal government databases. These geographically indexed values were used to determine: (a) if large-scale spatial distribution patterns...
Use of dissolved and vapor‐phase gases to investigate methanogenic degradation of petroleum hydrocarbon contamination in the subsurface
Richard T. Amos, K. Ulrich Mayer, Barbara A. Bekins, Geoffrey N. Delin, Randi L. Williams
2005, Water Resources Research (41)
At many sites contaminated with petroleum hydrocarbons, methanogenesis is a significant degradation pathway. Techniques to estimate CH4 production, consumption, and transport processes are needed to understand the geochemical system, provide a complete carbon mass balance, and quantify the hydrocarbon degradation rate. Dissolved and vapor‐phase gas data collected at a petroleum hydrocarbon...
Multilevel assessment of fish species traits to evaluate habitat degradation in streams of the upper midwest
R. M. Goldstein, M. R. Meador
2005, North American Journal of Fisheries Management (25) 180-194
We used species traits to examine the variation in fish assemblages for 21 streams in the Northern Lakes and Forests Ecoregion along a gradient of habitat disturbance. Fish species were classified based on five species trait-classes (trophic ecology, substrate preference, geomorphic preference, locomotion morphology, and reproductive strategy) and 29 categories...
Basal tissue structure in the earliest euconodonts: Testing hypotheses of developmental plasticity in euconodont phylogeny
X.-P. Dong, P.C.J. Donoghue, J.E. Repetski
2005, Palaeontology (48) 411-421
The hypothesis that conodonts are vertebrates rests solely on evidence of soft tissue anatomy. This has been corroborated by microstructural, topological and developmental evidence of homology between conodont and vertebrate hard tissues. However, these conclusions have been reached on the basis of evidence from highly derived euconodont taxa and the...
