This study examines participants' perceptions of the significant messages and
meanings communicated to them through the ceremony of the Blessingway (a ritual titled
after the Navajo Blessingway), a contemporary women's birth ritual performed by
midwives. A narrative approach was used for data gathering based on Fisher's rationale
that meaning emerges...
The purpose of this investigation was to modify the procedure
of Bills, Khatri and Day for use in the development of a suitable
method for determining the quantitative distribution of the free fatty
acids (FFA) in normal, heated, and rancid milk and milk fractions
The method consists of extracting the...
The effects of five cytokinin antagonists on the growth
of cytokinin-autonomous lines of Phaseolus lunatus cv.
Kingston, Phaseolus vulgaris cv. Great Northern, and
Nicotiana tabacum cv. Wisconsin 38 callus tissues have been
compared. The antagonists tested included four N⁴-substituted 4-amino-2-methylthiopyrrolo[2,3-d]pyrimidines
bearing the following N⁴ side chains, 4-n-pentyl-
(ms²pnN⁴Prp), 4-n-hexyl- (ms²HxN⁴Prp),...
Freshwater rearing is a critical period in the life cycle of anadromous salmonids, known to produce carry-over effects mediating long-term growth and survival. Freshwater growth is primarily determined by food availability and temperature. While many species of salmon rear in freshwater for a full year or longer, most trophic ecology...
Our understanding of seasonally disconnected floodplains and how they function to support rearing salmonids in the Pacific Northwest is limited. Past studies have found that these dynamic habitats may provide high-risk, high-reward trade-offs for rearing fish. High prey densities and optimal temperatures allow for accelerated growth, but low water levels...
Contemporary stream restoration efforts increasingly prioritize restoring natural stream processes to regain lost ecosystem functions. Stage 0 stream restoration resets disturbed, channelized streams to a theoretical pre-disturbance state (“stage zero”). It is assumed that this valley-scale restoration/disturbance will restore natural abiotic and biotic processes, leading to greater primary and secondary...
1-Phenyl-3-(2-Thiazoly1)-2-Thiourea (PTTU), has been reported to
inhibit dopamine-fi-hydroxylase (a copper-containing enzyme involved in
the pathway of biosynthesis of adrenaline in animal systems). In the
present study, PTTU has been shown to have cytokinin activity in the
tobacco bioassay. The cytokinin activity of PTTU suggested that
cytokinin-active N⁶-substituted adenine derivatives might...
Projected intensification of drought as a result of climate change may reduce the capacity of streams to rear fish, exacerbating the challenge of recovering ESA-listed salmon populations. Without management intervention, some stocks will likely go extinct as stream drying and fragmentation reduce juvenile survival to unsustainable levels. To offset drought-related...
The purpose of this study was to understand the influence of organic material and nutrients from spawning salmon and supplemented salmon carcasses on stream food webs. My study objectives were to examine 1) assimilation of salmon-derived nutrients (SDN) by producers and consumers in the food web, 2) epilithic biofilm productivity,...
Wheat production in the Pacific Northwest consists
mainly of the soft white wheat market class. Over 80% of
this wheat is exported. In recent years there has been an
increase in soft white wheat production (due in a large part
to improvements in the yielding capabilities of the
genotypes grown...
Current product design methodologies are not conducive to creating inclusive products (products that meet the needs of persons with and without disabilities). In order to reduce the effort and expense involved in creating inclusive products, empathic design principles are applied to discover whether customer needs for people with disabilities can...
Large-scale ecosystem assessments aim to assist ecosystem management by synthesizing current scientific knowledge on an area, and by providing a foundation for policy discussions and decisions on land management. These assessments go beyond traditional research efforts by moving away from narrow scope, system, and institutional boundaries, and by attempting to...
Longitudinal patterns of fish and benthic invertebrate distribution and
habitat use were similar in Thomas Creek, Oregon but clarity of these patterns
differed. I studied fish and aquatic invertebrates simultaneously, at multiple
scales, and used multivariate statistical techniques to compare responses to the
same environmental conditions. Both types of organisms...
Over-winter growth of juvenile salmonids may be linked to ocean survival and thus species persistence. Diet, growth, and prey available to juvenile coho, Oncorhynchus kisutch, were examined from December 2004 to April 2005 in four tributaries of the West Fork Smith River (WFSR), Oregon. Juvenile coho growth rate and condition...
This study was an investigation of lotic macroinvertebrate distribution in northeastern Oregon at two different spatial and biological scales. Examination of assemblages at a limited spatial scale revealed relationships with natural and disturbance gradients and led to questions about distribution of a population at broader spatial scales. In a 16...
Riparian areas are eco-tones where aquatically- and terrestrially-derived insect biomass is exchanged between habitats, presenting consumers with new sources of energy, and resulting in a reciprocal subsidy. The relative contribution of energy exchange and the
resulting impacts on vertebrate riparian consumers, such as fish or birds, remains poorly understood. We...
Initially, components of an aquatic food web were examined to study impacts of recreational use on the aquatic ecology of Quartzville Creek, Oregon in 1995 and 1996. Measurements of the food web components consisted of observations of harlequin ducks (Histrionicus histrionicus), visual counts of the larval caddisfly Dicosmoecus gilvipes, benthic...
One of the greatest threats to native bull trout Salvelinus confluentus populations is the presence of non-native brook trout S. fontinalis. This study, conducted in two second-order Eastern Oregon streams, investigates the effect of brook trout on the feeding behavior arid diet of bull trout. Feeding behavior, microhabitat use, and...
The purpose of this study was to determine women's perceptions of their physical activity needs and preferences, survey their evaluation of how the Intramural Sports Department accommodates those needs and preferences, and determine if and how intramural sports programming might be adjusted to serve women better. An open-ended survey was...
The following question guided this research: How do female readers understand the romantic content of Cosmopolitan and/or Glamour magazines, and how do they perceive connections between their readership of this content and their personal ideas and behaviors regarding romantic relationships? This study involved a series of responsive interviews in which...
In the summers of 1998 and 1999, aquatic invertebrate and plant communities were sampled from nineteen springs in the Warner Basin of southeastern Oregon. Across the landscape, these springs exhibited a broad range in water temperature (5-24°C), pH, conductivity, elevation, and gradient. Within a particular spring, water temperature and chemistry...
The goal of this research was (1) to identify the patterns or pattern pieces of
development for heterosexual, dyadic, romantic relationships that emerge from
mixed-sex, friendship groups and (2) to compare and contrast those patterns or
pattern pieces to patterns in existing stage theories. To address these goals, data
were...
This thesis investigates the reported communication experiences of married women transitioning to motherhood. The study involves a series of focus groups in which new mothers share their communicative experiences, explaining how they are navigating their new roles as mothers while also performing roles as wives, daughters, and workers. Informed primarily...
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Judith K. Bowker
This thesis investigates the reported communication experiences of
This research examines women's magazine editors' perspectives of the relationship between editorial and advertising content in women's magazines. It specifically investigates how this relationship affects both general editorial content and more specifically, social topic stories. Mainstream women's beauty/fashion magazine editors—including editors-in-chief—were queried as to the nature of these relationships. Interviews...
The purpose of this study is to investigate the influence of a daughter's managerial style and her personal relationship with her father in father-daughter work relationships in family-owned businesses. This research is an attempt to reveal daughters' perceptions of these occurrences and interactions which often are overlooked in current research...
Historically, rural economic development has focused on attracting outside firms or increasing exploitation of natural resources, often without equitable or lasting returns to the community. The Rural Wealth Creation framework was developed as a systems-based approach to assessing and leveraging local assets for the creation of lasting wealth in communities....
A study was made to clarify the relationships of Mentzelia mollis
Peck and two poorly understood taxa of Mentzelia (Loasaceae) to the
other members of the genus, its sections, and its subsections, and
to describe the general ecology of each taxon.
Within the genus, the section Trachyphytum is characterized by...
Understanding the impacts with uncontrolled exploitation of forest resources is crucial
for the proper management of Mt. Elgon forest reserve. The types and frequency of tree
cutting; their spatial variation with distance from the Mt. Elgon National Park boundary;
their distribution among girth classes and species were determined from 15...
Recently obtained airgun-sonobuoy wide-angle refraction and
reflection profiles provide data to study crustal velocities and
structures along the continental margin of northern California and
Southern Oregon.
In the thick sedimentary wedge at the base of the continental
slope, as many as five distinct layers can be seismically observed,
which range...
Oral contraceptive (OC) users frequently have lower vitamin B₆
status than non-oral contraceptive (NOC) users. However, normal dietary
intake, a possible factor, has not been adequately studied.
Therefore, 26 OC users and 25 NOC users, of college age, were compared
with respect to dietary intake of vitamin B₆ and blood...
Preliminary work on a crude in vitro system for glutamic-γ-semialdehyde
synthesis in Escherichia coli has been described. The
cell extract synthesis of GSA is inhibited by proline; other allosteric
characteristics observed include sigmoidal substrate variation and
inhibition plots of activity. The membrane fraction and a low molecular
weight compound in...
The presented study was undertaken to determine the
operational catabolic carbohydrate pathway(s) contributing
to the synthesis of the DNA of the actinophage for
Streptomyces griseus. The incorporation of glucose-6-¹⁴C versus glucose-1-¹⁴C was determined for the
deoxyribose and purine and pyrimidine bases of the phage
DNA. The specific activities of the...
Individuals participating in the enviromental sport activity courses of backpacking-orienteering, mountaineering, and scuba diving responded to pre- and post - test trials of the Self-Cathexis Scale ard the Body-Oathexis Scale. Two control groups composed of random samples of the university student population reponded to the Self-Cathexis Scale Body-Cathexis Scale: one...
Today's office worker is being expected to operate computers in order to
increase office productivity. While learning the new technology is a positive
challenge for most people, some students experience a negative computer
attitude when faced with computer training. This study sought to determine if
there were significant differences about...
This thesis is based on a study conducted for the state of Oregon's Office of Mental Health Services (OMHS). OMHS' primary research objectives included 1) the identification of the unfunded population (individuals who are uninsured and ineligible for Medicaid) who seek services at community mental health programs and 2) an...
Both consumer and descriptive analyses were used to study the shelf-life of packaged, roasted and ground coffee in order to evaluate the utility of using sensory data in a shelf life model, and to examine the ability of consumers to detect a difference between treated and control samples. Two types...
This study compared two groups of home sewers in relation to
their sewing practices, perceived sewing competence, sex-role
concept, and selected demographic factors. A review of literature
indicated an increase in home sewing that began in the 1960's with
the greater availability of fabrics in a wider range of fibers,...
This research project historically reviews literature
relating to dental hygiene practice, more specifically
dental hygiene independent practice movements. From the
early days of dental hygiene to current legislative
actions, material applicable to dental hygienists
practicing independently is presented. Information
relating to the public's perception of this field, dental
hygiene's professional...
A home computer revolution is predicted to change America in the
next 20 years. If this is to occur, a consumer must perceive the
home computer as a technological resource. According to consumer
behavior studies, acceptance of a new product is based on internal
determinants, which are affected by environmental...
The purpose of this study was to compare the effectiveness of
television lectures and television lectures reinforced with two types
of recorded media (audio-slide kits and super 8mm movies with
sound) with the traditional lecture method of teaching three selected
lessons of clothing construction. The research was conducted winter
and...
Virginia Woolf wrote both prose and poetry, both fiction and non-fiction: she was
both a creative writer and a politically conscious reporter. She left a wealth of beautifully
crafted observations and comments that continue to be immensely quotable and influential.
Feminist critics today use Woolf's vocabulary to continue the feminist...
This report frames the debate over studded tires in terms of economic principles of marginal cost pricing and efficient resource allocation. In the absence of a user tax, the pavement damage caused by studded tires results in inefficient pricing because social costs associated with the damage are excluded from the...
Portland Public School District and in particular Jefferson High School are examined in a functionalist framework to determine
the extent to which they meet community needs. B. Malinowski's functionalist theory is employed to analyze desegregation and integration policies and actions of the Portland Public School District and Jefferson High School,...
The Willamette Mission archeological project
consists of a broad program of cultural research in the
fields of archeology, history, and architecture. The
study focuses on the first Methodist mission in the
Pacific Northwest. Archeological excavations were
conducted in 1980 to locate the site of the mission, to
assess the site's...
The purpose of this study was to determine if there was a
difference in the resources and library services in men's and
women's state prison facility libraries, and to determine to
what extent the librarians who administer services to inmates
in prisons believe the resources available are adequate in giving...
Ideals of freedom, independence, and land ownership helped form and perpetuate the mythology of ranching in the United States. However, stereotypes emerged as a result of distortion from the media and the move away from the land. Social philosophies changed
regarding the environment, land use, and the health and safety...
Riparian zone vegetation can influence terrestrial and aquatic food webs through variations in the amounts, timing, and nutritional content of leaf and other litter inputs. Differences in vegetation composition and density, as well as riparian topography, may modulate the strength and quality of these inputs. Changes in inputs to small...
Recent studies of headwater streams have demonstrated their importance to overall watershed biodiversity, nutrient cycling, and energy flux. However, little attention has been paid to long-term effects of forest harvest on macroinvertebrate communities in headwater streams. This study investigated headwater stream macroinvertebrate communities in the H.J. Andrews Experimental Forest, Oregon,...
This research was designed to broaden the understanding of how timber-harvest affects aquatic macroinvertebrates in perennial and intermittent headwater streams. This study compared emergent and benthic macroinvertebrate assemblages from 20 headwater streams in the central Oregon Coast Range that varied by harvest condition and flow duration. Through comparison of the...
Headwater streams in the Oregon Coastal Range are subject to drastic fluctuations in flow and temperature because of the changing seasonality of a Mediterranean climate. In response to these changes, stream fishes exhibit a variety of movement patterns. Coastal Cutthroat Trout (Oncorhynchus clarkii clarkii) have evolved an assortment of life...
The waterborne, myxozoan parasite Ceratonova shasta is endemic to the Pacific Northwest and can be lethal to its secondary salmonid host, including the culturally, economically, and recreationally important spring Chinook salmon (Oncorhynchus tshawytscha) of the Deschutes River, OR. Previously described genotypes of C. shasta exhibit specificity with their salmonid hosts....
Riparian areas in the Pacific Northwest provide important biotic and abiotic
features, such as down wood, moist microsites, and abundant invertebrate prey that
benefit aquatic and terrestrial amphibians. Reported high densities of amphibians from
streams and riparian areas in the Pacific Northwest highlight their importance in riparian
food webs. Amphibians...
The purpose of this study is to examine how rhetoric functions in the
Alternative Birth Movement (ABM). In particular, communication published by
movement leaders will be examined to discover how rhetoric propels the movement from
one stage to the next as well as how rhetoric facilitates the goals of the...
The purpose of this research was to determine whether the transducing phage Pl picks up original bacterial chromosome segments and whether these segments are always the same size. The plan of approach was to grow the donor bacteria Escherichia coli C600 gal⁺ (galactose) in minimal media containing the heavy isotopes...
An estimated 99% of native wet prairie has been lost in the Willamette Valley, Oregon, but a large number of seasonal wetlands remain on private lands dedicated to grass seed production within the historical wet prairie landscape. Because agriculture is known to alter physical and chemical wetland conditions, I investigated...
In Southeast Alaska, Eulachon (Thaleichthys pacificus) are a culturally and biologically important anadromous fish. Eulachon populations have significantly declined in the southern part of their range, and in 2010 eulachon in northern California, Oregon, and Washington were listed as a threatened species under the Endangered Species Act. In the same...
Current riparian management objectives in the Pacific Northwest promote both retention of existing conifers and conversion of hardwood-dominated areas to conifers. Although understanding of relationships between riparian vegetation and salmonid prey availability is growing, temporal variation in these relationships is poorly understood. Seasonal fluxes in availability of aquatic and terrestrial...
This thesis explored the distributions and life histories of dragonflies and damselflies (Insecta: Odonata) of the riverine wetlands of the Willamette Valley in western Oregon, USA. Odonate species distributions were characterized over two seasons in the autumn of 2000 and the spring of 2001-at twenty-seven wetlands located throughout the valley....
Seasonally, in 1998 and 1999, I examined spatial and temporal variation in fish assemblages of agricultural, forested, and acid mine drainage tributaries within the Wayne National Forest (WNF) in southern Ohio. Land use and natural disturbance explained patterns in stream fish assemblages. Creek chub and green sunfish were present in...
The purpose of this project was to create a code generating software tool, which is one section of the Oregon SpeedCode Universe. The Code Generator automatically generates compilable source code to form working Macintosh applications. This source code provides a prototype for the actual final application. This is done with...
In small forested streams, changes in age and structure of riparian vegetation covering the stream have been shown to directly influence the amount of light reaching the stream benthos. Light has the potential to impact in-stream resources that support secondary production through constraints on primary productivity. The influence of landscape...
The Goose Lake Basin, situated on the border of Oregon and California, USA, faces significant challenges from drought, wildfire, and other environmental stressors. This region hosts numerous endemic fish species such as the Goose Lake redband trout (Oncorhynchus mykiss newberri), Goose Lake lamprey (Entosphenus sp.), Goose Lake tui chub (Siphateles...
The Van Dyke's salamander (Plethodon vandyke,) is a rare species endemic to Washington State. It has been found in cool moist microhabitats along streams, splash zones of waterfalls, and headwater seeps. We explored the association of the Van Dyke's salamander with hydrologic condition, geomorphology, disturbance characteristics, and vegetation structure in...
Pacific lamprey is an important cultural and ecological species to freshwater ecosystems of the Pacific Northwest. Lamprey often rear in low gradient portions of watersheds that have high exposure to climate warming, yet very little is known about their thermal physiology in comparison with other anadromous fishes such as Pacific...
The species compositions and densities of the littoral and pelagic zooplankton
assemblages in Crater Lake were compared. The littoral and pelagic zooplankton
assemblages of most lakes are typically different due to different habitat conditions in the
two zones. The littoral zone of Crater Lake lacks many of the habitat characteristics,...
Loss of lowland estuarine and freshwater off-channel habitats along the Pacific Northwest coast has contributed to the decline of salmonid populations. These habitats serve as nursery grounds for juvenile salmonids providing them with food, winter shelter, and a transition zone between freshwater and saltwater. Lowland areas have undergone anthropogenic alterations...
The Personal Responsibility and Work Reconciliation Act of 1996 brought several changes to the welfare system. Among these changes are lifetime limits for receiving welfare benefits, and work requirements intended to foster economic self-sufficiency in welfare recipients. In the past few years, it has been acknowledged that there are challenges...
Shan-Mei, a Tsou aboriginal village in Taiwan, is widely known as a legend of environmental conservation, where ecotourism has been successfully combined with integrated community development. Indigenous knowledge containing "ecological wisdom" and decision-making based on consensus are perceived to be the greatest contributors to this achievement. I conducted three months...
On September 12th 1960, just two months prior to one of the closest
Presidential elections in American history, John F. Kennedy faced the Houston
Ministerial Association and delivered a powerful speech on religion and
Americanism. The "religious issue" of the 1960 campaign drew immense interest
and trumped other issues pertinent...
More women compete in sports currently than ever before. However, the historical tensions which relate to their participation--as athletes and as females--remain. Mixed martial arts (MMA) has proven to be the most visible introduction of females into sports that have traditionally been considered exclusively for men. Gina Carano and Cristiane...
The television show South Park, created by Trey Parker and Matt Stone, is viewed by millions of people each week, regularly addresses a number of controversial issues and plays a major role in contemporary popular culture. Current academic research acknowledges Parker and Stone's willingness to attack the dominant views surrounding...
Post World War II victory culture and its fallout-the consensus ideology-led to the creation of a middle class willing to conform to a prescribed set of ideals, safely removed from all danger, and enjoying the material benefits of a growing middle-class income bracket. Walt Disney and Hugh Hefner, two seemingly...
The Willamette Mission archeological project
consists of a broad program of cultural research in the
fields of archeology, history, and architecture. The
study focuses on the first Methodist mission in the
Pacific Northwest. Archeological excavations were
conducted in 1980 to locate the site of the mission, to
assess the site's...
Recent work in moral philosophy has displayed a renewed interest in ethics and ontology that consider the social constitution of the subject. However, these approaches to ethics, exemplified in Judith Butler’s work in Giving an Account of Oneself, often neglect the problem of antiblackness, which Afro-pessimist scholars argue operates at...
Since the decline of salmonid populations in the Pacific Northwest, supplementation programs have become frequently implemented by hatcheries as a way to protect and conserve wild stock. However, hatchery-reared fish have lower fitness than wild fish which is likely due to adaptation to the hatchery environment, i.e., domestication selection. Fish...
Germinating seeds often encounter stress conditions
of temperature, moisture and oxygen in the field.
Germination tests conducted under these stress conditions
in the laboratory might be methods of differentiating high
and low vigor seeds.
The objectives of this study were to (1) determine
if these stress conditions reduce germination performance...
Steven Universe, a relatively new show from Cartoon Network, explores an unexpectedly complex understanding of gender through their main protagonists. Utilizing Judith Butler’s work on gender performativity and doing gender, as well as Daniel Dennett’s conception of the self as a theorist’s fiction, and Alexander Weheliye’s understanding of power and...
Metals are a persistent form of freshwater pollution and have been shown to bioaccumulate in aquatic macroinvertebrates through direct contact with contaminated water, sediments, and through consumption of contaminated organisms. This research explored the longitudinal bioaccumulation patterns of 5 common trace metals (Cr, Cu, Zn, Cd, and Pb) in the...
This thesis examines the role of Erikson’s (1950) theory of generativity in facilitating knowledge transfer during the preretirement transition. McAdams and de St. Aubin’s (1992) updated framework for generativity is used as a theoretical foundation to explain motivation and actions during this period. Through the use of multiple-case studies, twenty-one...
The purpose of this study is to examine the rhetorical efforts of President George W. Bush in defending his administration's warrantless wiretapping program. Specifically, the study attempts to determine the president's underlying motives when he defended the National Security Agency in a December 2005 radio address by applying Kenneth Burke's...
Addition of the methylcarbamate compounds p-chlorophenyl
N-methylcarbamate (PPG-124) and 1-naphthyl N-methylcarbamate
(carbaryl) to various herbicides has resulted in reduced rates of
degradation. Carbaryl affects the degradation of certain herbicides
in both plants and soils while PPG-124 has only been demonstrated
to affect degradation in soils. Both these materials are effective...
To gain a better foothold on the communication system of the
avifauna, calls and songs of the American Robin (Turdus migratorius)
were recorded and analyzed using the sound spectrograph. Ten different
calls were recognized as follows: three alarm calls, an excitement
call, challenge call, contact call, two flight calls and...
The eighteenth-century female of sensibility was characterized by delicate nerves that allowed her to feel her surroundings and enabled her to choose virtue over vice more consistently than males. While females were considered virtuous, their "innate" delicacy or weakness became their dominant trait and the true focus of male admiration....
Cold-season storms are responsible for generating most of the snow that accumulates in mountainous watersheds across the western United States, but with overwhelming evidence of warming temperature trends, this seasonal snowpack is at risk for melt, The vast majority of snow trend studies utilize undifferentiated air temperature records – these...
A significant source of energy consumption comes from maintaining desired indoor environment conditions in warehouses and other industrial facilities. In efforts to combat the raising energy costs, studies into more efficient heating and cooling strategies has been a topic of consideration for a number of years. One of the areas...
The primary purpose of this study was to determine whether the 1981
recommendation by the Montana State Board of Public Education had in
fluenced actual implementation of sexuality education in that state.
The study also sought to describe sexuality education in Montana and to
assess perceptions of Montana public high...
It has been established that intercollegiate sport is an important social institution for student athletes of color in the United States (Coakley, 2012). White intercollegiate coaches have a prominent influence on the academic, athletic, social and emotional development of student athletes and therefore must be tuned into variation in cultural...
Author Nella Larsen and photographer James VanDerZee are two of the most canonical figures of Harlem Renaissance studies, whose respective novels and portraits have been explored extensively, if separately, by scholars. Both Larsen's 1929 novel Passing and VanDerZee's studio portraiture of the 1920s and 1930s have been read in terms...
A majority of eighteenth-century novels remain in regular print over two hundred years since their inception. Yet with the possible exception of Robinson Crusoe, they have largely fallen out of popularity, rarely appearing on "The Summer's Hottest Reading" lists or receiving celebrity endorsement. I consider Ian Watt's foundational study, The...
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Evan M. Gottlieb
A majority of eighteenth-century novels remain in regular print over two
The problems of freezing and melting present special
mathematical complexity and, except for the most elementary
one-dimensional cases, require a numerical solution.
However, these problems have a growing importance in
engineering problems because of their application to
metallurgical operations, food preservation, heating and
air conditioning, etc.
In the present work,...
This paper explores the language theories of Gary Snyder, an important modern environmental author whose early work was associated with the Beat movement of the early 1950's. I am particularly interested in Snyder's thoughts on how language relates to nature. I focus primarily on Snyder's prose in attempts to understand...
This study was designed to identify and characterize areas of concentrated use and diving behavior of blue whales (Balaenoptera musculus) off the California coast. During the summer of 2004, thirteen blue whales were tagged with implantable Telonics ST-15 Argos satellite-monitored radio tags and five were tagged with Telonics ST-21 Argos...
Levels of resistance to six selected insecticides of
eleven field populations of the filbert aphid Mvzocallis
coryli (Goetze) were determined by using the leaf-dip
residue technique. Test insecticides included compounds
widely used in commercial filbert orchards, namely,
carbaryl, diazinon, endosulfan, phosalone, fenvalerate and
oxydemetonmethyl. Aphid samples were collected within a...