The central part of the Bayhorse Mining District is located in the Salmon River Mountains in north-central Idaho between the towns of Challis and Clayton. The area is underlain by metasedimentary rocks of Early to Middle Paleozoic age that were profoundly affected by the emplacement of a plutonic complex in...
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AN ABSTRACT OF THE THESIS OF
WADE ALLAN HODGES for the MASTER
The Bethlehem Copper Mine, a porphyry copper deposit, is
situated near the geographical center of the Guichon Creek batholith.
The Guichon Creek batholith is located on the east flank of the
Canadian Coast Range in south central British Columbia approximately
250 miles northeast of Vancouver, B. C. The batholith
trends...
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property at Highland valley, British Columbia
AN ABSTRACT OF THE THESIS OF
ALLAN DEANE WOOD for the
Ecological restoration programs often attempt to maintain or enhance ecosystem services (ES), but fine-scale
maps of multiple ES are rarely available to support prioritization among potential projects. Here we use agency
reports, citizen science, and social media as data sources to quantify the spatial distribution of five recreational
elements of...
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in the
Laurentian Great Lakes
Allan, J. D., Smith, S. D., McIntyre, P. B., Joseph, C. A., Dickinson
The construction of the first genetic map in autotetraploid blueberry has been made possible by the development of new SNP markers developed using genotyping by sequencing in a mapping population created from a cross between two key highbush blueberry cultivars, Draper × Jewel (Vaccinium corymbosum). The novel SNP markers were...
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. Eric Jackson . AllanBrown . Christine A. Hackett
Received: 31 August 2015 / Accepted: 25 January 2016
The construction of the first genetic map in autotetraploid blueberry has been made possible by the development of new SNP markers developed using genotyping by sequencing in a mapping population created from a cross between two key highbush blueberry cultivars, Draper × Jewel (Vaccinium corymbosum). The novel SNP markers were...
The construction of the first genetic map in autotetraploid blueberry has been made possible by the development of new SNP markers developed using genotyping by sequencing in a mapping population created from a cross between two key highbush blueberry cultivars, Draper × Jewel (Vaccinium corymbosum). The novel SNP markers were...
The construction of the first genetic map in autotetraploid blueberry has been made possible by the development of new SNP markers developed using genotyping by sequencing in a mapping population created from a cross between two key highbush blueberry cultivars, Draper × Jewel (Vaccinium corymbosum). The novel SNP markers were...
Greater scientific knowledge, changing societal values, and legislative mandates have emphasized the importance
of implementing large-scale flow experiments (FEs) downstream of dams. We provide the first global assessment
of FEs to evaluate their success in advancing science and informing management decisions. Systematic
review of 113 FEs across 20 countries revealed...
The current work sought to develop predictive
models between time-weighted average polycyclic aromatic
hydrocarbon (PAH) concentrations in the freely dissolved
phase and those present in resident aquatic organisms. We
deployed semipermeable membrane passive sampling devices
(SPMDs) and collected resident crayfish (Pacifastacus
leniusculus) at nine locations within and outside of the...
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matrices. Mar. Pollut. Bull. 2012, 64 (10),
2129−2134.
(6) Allan, S. E.; Sower, G. J.; Anderson, K. A
Contamination of resident aquatic organisms is a major concern for environmental risk assessors. However, collecting organisms to estimate risk is often prohibitively time and resource-intensive. Passive sampling accurately estimates resident organism contamination, and it saves time and resources. This study used low density polyethylene (LDPE) passive water samplers to predict...
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surrogate for contamination
in organisms (Allan et al., 2011; Booij et al., 2006; Fernandez and
Gschwend
Stripe rust is a foliar disease of wheat (Triticum aestivum L.) caused by the air-borne fungus Puccinia striiformis f. sp. tritici and is present in most regions around the world where commercial wheat is grown. Breeding for durable resistance to stripe rust continues to be a priority, but also is...
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the plant
receptors (Guest and Brown 1997; Jones and Dangl 2006).
Minor resistance genes generally
We present multiple lines of evidence for years to decade-long changes in the location and
character of volcanic activity at West Mata seamount in the NE Lau basin over a 16 year period, and a hiatus
in summit eruptions from early 2011 to at least September 2012. Boninite lava and...
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(white circles). Underlying bathymetry by multibeam sonar on the MBARI D. Allan B. AUV [Clague et al
The pathogenic nematodes Pratylenchus neglectus (Rensch, 1924) Filipjev and Schuurmans Stekhoven, 1941 and Pratylenchus thornei Sher and Allen, 1953 cause severe yield losses in wheat (Triticum aestivum L.). The objectives in this study were to assay a collection of Iranian landrace accessions collected from 12 provinces in Iran to identify...
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the stripe rust resistant differential
cultivars Tyee (YrTye; Cltr17773; Allan et al., 1980; Chen and
Understanding the drivers and implications of anthropogenic disturbance of ecological connectivity is a key concern for the conservation of biodiversity and 50 ecosystem processes. Here, we review human activities that affect the movements and dispersal of aquatic organisms, including damming of rivers, river regulation, habitat loss and alteration, human-assisted dispersal...
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decline and extirpation of sink populations (Brown &
Kodric-Brown 1977; Gotelli 1991). Populations that
The Ataspaca prospect is in the Cordillera Occidental, 45 km northwest of Tacna, Peru. Epizonal intrusions satellitic to the Caplina- Ataspaca pluton were emplaced 41 m.y. ago into limestones of the Lower Jurassic Pelado Formation along the northeast-trending Chucchuco fault system. Depths of emplacement ranged from 4.5 to 6.0 km....
The fundamental aim of the Oregon Wave Energy Trust’s (OWET’s) cumulative effects framework is to provide an enduring set of information, presented in an effective way to inform substantial decisions about the future and ongoing management of wave energy developments in the context of the existing and future situation. At...
The Pleistocene Carpinteria basin is an east-trending
northward-verging, faulted syncline containing up to
1220m of partially intertonguing Santa Barbara and
Casitas Formations deposited on previously folded pre-
Pleistocene strata with up to 80° discordance. Structures
subcropping against the unconformity indicate most
of the deformation in the Santa Ynez Range prior...
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Transverse Ranges, California
AN ABSTRACT OF THE THESIS OF
PATRICK ALLAN JACKSON for the degree of MASTER
The Middle Fork John Day Basin in Northeastern Oregon is prime habitat for spring Chinook salmon and Steelhead trout. In 2008, a major tributary supporting rearing habitat, Big Boulder Creek, was restored to its historic mid-valley channel along a 1 km stretch of stream 800 m upstream of the mouth....
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conduction (Brown, 1969, Westhoff et al.,
2007). The net radiation flux can further be broken into the sum
While bubble plumes have been acoustically imaged in the water column above marine gas
hydrate deposits in many studies, little is known about the temporal variation in plume intensity. In
July 2008, we conducted surveys using 3.5 and 12 kHz echosounders and a 75 kHz acoustic Doppler
current profiler (ADCP)...
How does transboundary water cooperation begin at the initial stages? Countries in many transboundary basins either do not cooperate at all or have ceased cooperation altogether. Yet cooperation does often prevail, resulting in 688 water-related treaties signed between 1820 and 2007. The question we address here is, by which practices...
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individual policy makers (Subramanian, Brown, and Wolf
2012). It is a core consideration for country
Red alder (Alnus rubra), a nitrogen(N)-fixing deciduous broadleaf tree, can strongly influence N
concentrations in western Oregon and Washington. We compiled a database of stream N and GIS-derived landscape
characteristics in order to examine geographic variation in N across the Oregon Coast Range. Basal area
of alder, expressed as a...
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temperatures and low-
est flows (Allan, 1995). We also conducted most of our
analyses on NO3-N data because the
Recent controversy over whether biodiversity reduces disease risk (dilution effect) has focused on the ecology of Lyme disease, a tick-borne zoonosis. A criticism of the dilution effect is that increasing host species richness might amplify disease risk, assuming that total host abundance, and therefore feeding opportunities for ticks, increase with...
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species- rich and species- poor habitats
(Allan et al. 2009). Rodents provide another example,
because
A recombinant inbred line (RIL) mapping population developed from a cross between winter wheat (Triticum aestivum L.)
cultivars Coda and Brundage was evaluated for reaction to stripe rust (caused by Puccinia striiformis f. sp. tritici). Two
hundred and sixty eight RIL from the population were evaluated in replicated field trials...
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absence of linkage to Rg1
(brown chaff color) both of which have been linked to Yr10 [48],
[61] suggests
Respiratory illnesses caused by both viral and bacterial infection are serious issues for global healthcare providers. With the emergence of new, drug-resistant forms of these diseases, innovative drugs and treatment therapies are needed. M tuberculosis is an infection that affects a large portion of the world’s population each year. Aerosol...
Hydrology is the main environmental filter in aquatic ecosystems and may result in shared tolerances and functional traits among species in disparate ecosystems. We analyzed the associations between taxonomic and functional facets of diversity within aquatic ecosystems (ponds vs. streams) across a hydroperiod gradient (1–365 d) to untangle the hydrologic...
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and Aquat-
ic Sciences 46:1805–1818.
Poff, N. L., J. D. Allan, M. B. Bain, J. R. Karr, K. L. Prest
The utility of the fatty acid biomarker (FAB) approach in fisheries ecology is limited by our understanding of how
biotic and abiotic factors determine dietary markers in fish tissues. An 8-week laboratory experiment was
conducted on two species of juvenile gadids (Pacific cod, Gadus macrocephalus and walleye Pollock, Theragra
chalcogramma)...
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) grant awarded to Benjamin Laurel, Clifford Ryer, Christopher
Parrish, Allan Stoner, Brian Knoth and Dan
Hydrology is a fundamental factor influencing ecosystem dynamics, life-history strategies, and diversity patterns in running-water habitats. However, it remains unclear how hydrology may structure the taxonomic and functional composition of communities, especially in systems with high spatiotemporal variability in flow. We examined invertebrate diversity from 7 desert streams in the...
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, M. E., L. E. Brown, F. K. Edwards, A. M. Milner, and G. Woodward. 2013a. Drought 543
alters the
In recent years, depletion of sands in the nearshore environment along the northern Oregon and southwest Washington coasts has been documented. This erosion raises concerns about protection of economic and ecological resources in the area. The Columbia River Nearshore Beneficial Use Project was initiated to engage public and private sector...
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. Brown Pelicans are in the area, and potential impacts on this species must
be assessed. In addition, a
Climate warming is projected to affect forest water yields but the effects are expected to vary. We investigated how forest
type and age affect water yield resilience to climate warming. To answer this question, we examined the variability in historical
water yields at long-term experimental catchments across Canada and the...
Polycyclic aromatic hydrocarbons (PAHs) are priority environmental contaminants that exhibit mutagenic, carcinogenic, proinflammatory, and teratogenic properties. Oxygen-substituted PAHs (OPAHs) are formed during combustion processes and via phototoxidation and biological degradation of parent (unsubstituted) PAHs. Despite their prevalence both in contaminated industrial sites and in urban air, OPAH mechanisms of action...
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which induce
toxicity independent of AHR2 (Brown et al., 2015). We investigated the role of the AHR in
Polycyclic aromatic hydrocarbons (PAHs) are priority environmental contaminants that exhibit mutagenic, carcinogenic, proinflammatory, and teratogenic properties. Oxygen-substituted PAHs (OPAHs) are formed during combustion processes and via phototoxidation and biological degradation of parent (unsubstituted) PAHs. Despite their prevalence both in contaminated industrial sites and in urban air, OPAH mechanisms of action...
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agonist, many of
which induce toxicity independent of AHR2 (Brown et al., 2015).
We investigated the role
Multibeam (1 m resolution) and side scan data collected from an autonomous underwater vehicle, and
lava samples, radiocarbon-dated sediment cores, and observations of flow contacts collected by remotely
operated vehicle were combined to reconstruct the geologic history and flow emplacement processes on
Axial Seamount’s summit and upper rift zones. The...
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. Allan B. in 2006–2011. Background 20 m resolution shipboard bathyme-
try is shown using the same
Approximately 18 square miles are included in the study area which lies 17 miles southwest of the town of Dillon, Montana. Strata exposed in the area include metamorphic, sedimentary, and volcanic rocks ranging in age from Precambrian to Recent. The Paleozoic and Mesozoic section
is approximately 8000 feet thick and...
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yellowish brown (1OYR5/4),
plane laminated, supermature quartz arenite, which
contains 99% well-rounded to
Volcanic and sedimentary deposits of the Mount Jefferson area (MJA) record a fourmillion-year
history of arc-related volcanism related to the subduction of the Juan de Fuca plate
beneath North America. 171 mapped stratigraphic units over an area of 150 km² reveal four
periods of volcanic activity resulting in diverse composition...
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Society of America, and Mazamas
Mountaineering. Hearty thanks to Lori Hartline, Robert Allan, and the
The Tobin Range of central Nevada lies in the Basin and Range extensional
province near the transition between more extended terrane (>50%) to the south and
east, and generally less extended terrane to the north and west. Geologic mapping,
40Ar/39Ar dating and whole-rock geochemical analysis were employed to establish the...
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Koipato Group. The Natchez Pass Formation is composed of dark gray to brown
massive limestone and
Biodiversity continues to decline in the face of increasing anthropogenic pressures such as habitat destruction, exploitation, pollution and introduction of alien species. Existing global databases of species’ threat status or population time series are dominated by charismatic species. The collation of datasets with broad taxonomic and biogeographic extents, and that...
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, Douglas Sheil208,209, Fernando A. B.
Silva210, Eleanor M. Slade211, Allan H. Smith-Pardo212,213, Navjot S
In the future, Earth will be warmer, precipitation events will be more extreme, global mean sea level will rise, and many arid and semiarid regions will be drier. Human modifications of landscapes will also occur at an accelerated rate as developed areas increase in size and population density. We now...
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(particularly the increased
frequency of extreme events) rather than its mean value [e.g., Katz and Brown, 1992
The video "Harold Otley AV-Oral History 362" was filmed by Dorothea Purdy & Barbara Lofgren at the Harney County Library on June the 8th, 1994, in Burns, Oregon. A copy of the transcript is included.
This oral history is part of the Claire McGill Luce Western History Room at the...
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: Poujade, how do you spell it?
HAROLD: P O U J A D E.
DOROTHEA: She some relation to Agness Brown
The major obstacle to widespread parallel programming of multiprocessors is the lack of a convenient parallel programming system. PPSE (Parallel Programming Support Environment) is a unified approach to parallel programming. Parallax is developed as a component of PPSE based on ELGDF which is a graphical language for designing parallel programs....
This project, to propose an implementation strategy for standard monitoring
protocols, builds on my Pacific Northwest National Laboratory Fellowship to support a
study entitled Evaluating Cumulative Ecosystem Response to Restoration Projects in the
Columbia River Estuary (Diefenderfer et al. 2005). The major objective of the study was
to develop a...
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Roegner2
Ronald M. Thom1
Earl M. Dawley3
Allan H. Whiting4
Gary E. Johnson1
Kathryn L. Sobocinski1
The Oregon Coast's small water systems, like the vast number of small water systems across the U.S., are greatly vulnerable. Failing infrastructure, limited financial capital, and inadequate staff combined with future changes in climate, population size, and regulatory stringency spell out a potentially dire future for the region's water supply...
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, for the financial support of this
research. Thanks to Bridget Brown, Joe Cone, and Patrick Corcoran
In this report, we present future projections of climate and climate-related natural hazards in Benton County for the 2020s (2010–2039) and 2050s (2040–2069) relative to the 1971–2000 historical baseline. The projections are based on multiple global climate models for both a lower greenhouse gas emissions scenario (RCP 4.5) and a...
Google Earth has given internet users the power of a virtual globe at their fingertips. It is
a free, easy to use tool that avoids the need for technical training, and uses a simple,
intuitive interface. For this reason, Google Earth appeals to general and more specialized
users. This project...
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Allan, for
their support and patience throughout all the ups and downs over the last 2 years.
I
The rugged Cascade Range of central Oregon has been long regarded as an enigmatic, archaeological puzzle in the study of the Pacific Northwest's ancient past. While ethnographic and archaeological research in the adjacent northern Great Basin, Columbia Plateau and Willamette Valley have revealed a rich and ancient tapestry of Native...
The crawfish enterprise of South Louisiana is shown to haveexpanded as much as 18-fold since the 1950's. It is estimated(1973) that there are about 44,000 acres of managed crawfish ponds.Of the 334 ponds identified and mapped in the thesis, 231 are classedas open ponds, 45 as rice field ponds, and...
This is an integrated assessment across terrestrial, freshwater, and coastal marine realms. It includes the coast range of Oregon and Washington as well as Vancouver Island in British Columbia. The marine portion only includes the coastline and shallow subtidal; the next iteration will include the offshore component.
Douglas-fir (Pseudotsuga menziesii) has a wide distribution in North America and is one of the
tree species most widely distributed outside its natural range. The species has been introduced to
Europe, New Zealand, South America, and elsewhere around the world. At present, Douglas-fir
is an accepted and integral part of...
Douglas-fir (Pseudotsuga menziesii) has a wide distribution in North America and is one of the
tree species most widely distributed outside its natural range. The species has been introduced to
Europe, New Zealand, South America, and elsewhere around the world. At present, Douglas-fir
is an accepted and integral part of...
The spatial distribution and geologic histories of submarine volcanoes provide insight into submarine eruptive behavior, deep earth processes and plate tectonics. This dissertation examines the evolution of individual submarine volcanic edifices as well as linear trails of seamounts at three spatial and temporal scales.
In order to understand constructive and...
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Heaton
and Julie Brown and their Fauna-dog, Chris Conatser and Matthew Daniel, Andrea
Balbas and
Between 2007 and 2009, researchers from Green Point Consulting, Oregon State University, and the South Slough National Estuarine Research Reserve collected data on ecological and physical characteristics at five high-quality “least disturbed” tidal wetland sites in four Oregon estuaries.
The reference sites included in this project are (1) Blind Slough...
Many of the natural resource problems facing man in the present
era are so large and complicated that no one discipline provides an
adequate approach for their solutions. As an example, the relationships
of man to the land resource base can best be understood when
they are considered holistically rather...
Understanding continental crust formation and modification is a fundamental and longstanding geologic problem. Influx of mantle-derived basaltic magma and partial melting of the crust are two ways to drive crustal differentiation. This process results in a low density upper crust and denser, more refractory lower crust, creating significant and vastly...
The Yanacocha Mining District in northern Perú is considered the largest group of
high-sulfidation style epithermal gold deposits in the world. District-scale geologic mapping coupled with detailed 40Ar/39Ar geochronology, geochemistry and petrography establish the volcanic history of the area and analyze the temporal and spatial evolution of volcanism, hypogene advanced...
Studies of Hawaiian volcanoes contribute valuable insights about Earth processes and mantle evolution, and are fundamental for understanding the construction of the largest volcanoes on terrestrial planets. The pre-shield stage exists in every Hawaiian volcano, but is usually blanketed by high volume tholeiitic lava flows during the main shield stage....
Fossil foraminifers from the Coaledo and Bastendorff Formations
near Coos Bay in southwestern Oregon were studied in an attempt
to determine the age and environment of deposition. Fresh unweathered
samples were collected from sea cliffs between Cape
Arago and Charleston, Oregon.
A large late Eocene delta is preserved in the...
Subduction zone earthquake and tsunami hazards affect tens of millions worldwide and the recurrence of these disasters can be evaluated with paleoseismic techniques, because earthquake cycles (and their supercycles) typically span many millennia. In these three chapters, I discuss a suite of analyses I use to evaluate the sedimentary record...
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van in my driveway to
remind me of what really ma ers in life.
Robert Allan and Lori Hartline, who
The volcanic (~45-10 Ma) and plutonic rocks (~37-12 Ma) comprising the Western Cascades extend from northernmost California to southern British Columbia and are ancestral to modern arc magmatism. The ancestral arc hosts a series of small plutons that are locally associated with porphyry (Cu-Mo) and epithermal (Au) ore deposits. Three...
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shout-‐outs
to
Jenny
DiGiulio,
Nikki
Moore,
Allan
Lerner
and
Henri
The three studies that comprise this dissertation seek to answer significant
questions in paleoclimatology through unconventional applications of ice core
greenhouse gas data. These studies involve different gases and span the interval of time
between the Last Glacial Maximum and the Industrial Revolution, but are united by their
nontraditional use...
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Praetorious,
Jeremy Shakun, Jay Alder, Andrea Allan, Josh Cuzzone, and Jeremy Hoffman. Thanks to
all my