Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

California Polytechnic State University, San Luis Obispo

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 2011 - 2040 of 8069

Full-Text Articles in Entire DC Network

An Assessment Of Habitat Suitability For Pronghorn Populations Of The Central Valley Region Of California, Virginia Burroughs Dec 2013

An Assessment Of Habitat Suitability For Pronghorn Populations Of The Central Valley Region Of California, Virginia Burroughs

Master's Theses

Efforts to reintroduce and maintain populations of pronghorn (Antilocapra americana) to the California Central Valley, specifically the Carrizo Plain National Monument (CPNM) and the Mojave Desert (Antelope Valley) portion of Tejon Ranch, have largely been unsuccessful due to dwindling numbers of translocated animals. The objective of this study was to improve upon previous models for the CPNM using aerial survey data and then apply the model to the Tejon Ranch. Aerial survey data collected from 2000-2010 on the CPNM was used to establish “use” and “non-use” areas in the model. Model variables included vegetation type (forest, shrub, grassland, …


Mechanical Properties Of Bone Due To Sost Expression: Nanoindentation Assessment Of Murine Femurs, Amir Rafie Dec 2013

Mechanical Properties Of Bone Due To Sost Expression: Nanoindentation Assessment Of Murine Femurs, Amir Rafie

Master's Theses

In the human genome, the SOST gene codes for a protein sclerostin. Sclerostin is an osteocyte-expressed negative regulator of bone formation. When the SOST gene is not coded, bone formation is reduced in individuals during skeletal maturation. This study utilizes nanoindentation methods to test for the mechanical properties of bones that both express and do not express the SOST gene. 100 transgenic murine femurs were obtained from Lawrence Livermore Labs in the form of 6 and 8 month SOST transgenic mice, 6 and 12 month SOST knockout mice, and wild type control littermates for each of the 4 age groups. …


The Influence Of Hydrogeomorphology, Soil Redox Conditions, And Salinity On The Spatial Zoning Of Saltgrass, Salt Rush, And Cattails In Scotts Creek Marsh, Swanton Pacific Ranch, Ca, Mark D. Gormley Dec 2013

The Influence Of Hydrogeomorphology, Soil Redox Conditions, And Salinity On The Spatial Zoning Of Saltgrass, Salt Rush, And Cattails In Scotts Creek Marsh, Swanton Pacific Ranch, Ca, Mark D. Gormley

Master's Theses

Scotts Creek Marsh (SCM) is a small coastal wetland ecosystem in Davenport, CA. The vegetation of SCM is dominated by three halophytic zones comprised of saltgrass, salt rush, cattails. The objectives of the study were (i) to investigate the variables that influence the zoning of the three dominant halophyte communities in SCM and (ii) to the test the effectiveness of Indicator of Reduction in Soil (IRIS) tubes to indicate the reduction of S. The study examined the following parameters from April 6 to July 21, 2013: (i) the HGM of Scotts Creek Marsh, (ii) soil oxidation and reduction (redox) conditions, …


Conjugated Linoleic Acids Alter Body Composition Differently According To Physiological Age In Moulard Ducks, Jeff Fesler, Daniel Peterson Dec 2013

Conjugated Linoleic Acids Alter Body Composition Differently According To Physiological Age In Moulard Ducks, Jeff Fesler, Daniel Peterson

Master's Theses

Conjugated linoleic acids (CLA) have been shown to have remarkable yet inconsistent metabolic effects in mice, rats, hamsters, chickens, cattle, and humans. In particular, effects on lipogenesis vary with tissue, physiological state and specie. In this study we tested the hypothesis that CLA would differentially affect ducks of the same genetic background but of differing age. Growing (7 wk) and maintenance (11 wk) Moulard ducks were grouped by age and fed a standard diet supplemented with either 5% soybean oil (control) or 5% CLA isomer mixture. Animals were harvested after 3 weeks or 6 weeks for assessment of body composition …


Cal Poly To Offer Professional Compost Training In March 2014, Public Affairs Office Nov 2013

Cal Poly To Offer Professional Compost Training In March 2014, Public Affairs Office

Press Releases

No abstract provided.


Cal Poly Design Expo Showcases Mechanical Engineering Projects Nov. 21, Public Affairs Office Nov 2013

Cal Poly Design Expo Showcases Mechanical Engineering Projects Nov. 21, Public Affairs Office

Press Releases

No abstract provided.


Cal Poly Entrepreneurship Forum To Highlight Innovation, Invention, Commercialization On Nov. 20, Public Affairs Office Nov 2013

Cal Poly Entrepreneurship Forum To Highlight Innovation, Invention, Commercialization On Nov. 20, Public Affairs Office

Press Releases

No abstract provided.


Decentering Anthropocentrisms: A Functional Approach To Animal Minds, Matthew C. Altman Nov 2013

Decentering Anthropocentrisms: A Functional Approach To Animal Minds, Matthew C. Altman

Between the Species

Anthropocentric biases manifest themselves in two different ways in research on animal cognition. Some researchers claim that only humans have the capacity for reasoning, beliefs, and interests; and others attribute mental concepts to nonhuman animals on the basis of behavioral evidence, and they conceive of animal cognition in more or less human terms. Both approaches overlook the fact that language-use deeply informs mental states, such that comparing human mental states to the mental states of nonlinguistic animals is misguided. In order to avoid both pitfalls -- assuming that animals have mental lives just like we do, or assuming that they …


The Impact Of Reducing Nitrogen Fertilizer In Iceberg Head Lettuce, Jason Acquistapace Nov 2013

The Impact Of Reducing Nitrogen Fertilizer In Iceberg Head Lettuce, Jason Acquistapace

Agricultural Education and Communication

The impact of Nitrogen use in Iceberg lettuce was studied by measuring the weight and size of lettuce heads. A standard nitrogen application based on traditional commercial production was determined and portions of commercial fields (401 and 406) were designated for testing. Based on the standard, three fertilizer treatments (40%, 60%, and 80% of the control) were tested against the control in fields 401 and 406. The results indicated there was no difference in the weight of lettuce heads when treated with the relative fertilizer percentages. However, the size of lettuce heads decreased as the relative fertilizer percentages decreased. This …


Phylogeography Of The California Sheephead, Semicossyphus Pulcher: The Role Of Deep Reefs As Stepping Stones And Pathways To Antitropicality, Marloes Poortvliet, Gary C. Longo, Kimberly Selkoe, Paul H. Berber, Crow White, Jennifer E. Caselle, Alejandro Perez-Matus, Steven D. Gaines, Giacomo Bernardi Nov 2013

Phylogeography Of The California Sheephead, Semicossyphus Pulcher: The Role Of Deep Reefs As Stepping Stones And Pathways To Antitropicality, Marloes Poortvliet, Gary C. Longo, Kimberly Selkoe, Paul H. Berber, Crow White, Jennifer E. Caselle, Alejandro Perez-Matus, Steven D. Gaines, Giacomo Bernardi

Biological Sciences

In the past decade, the study of dispersal of marine organisms has shifted from focusing predominantly on the larval stage to a recent interest in adult movement. Antitropical distributions provide a unique system to assess vagility and dispersal. In this study, we have focused on an antitropical wrasse genus, Semicossyphus, which includes the California sheephead, S. pulcher, and Darwin's sheephead, S. darwini. Using a phylogenetic approach based on mitochondrial and nuclear markers, and a population genetic approach based on mitochondrial control region sequences and 10 microsatellite loci, we compared the phylogenetic relationships of these two species, as well …


Women And The Second Estate In 16th Century Zambezia: Gendered Powers, A 'Puppet' African Queen And Succession In Vakaranga Society, 1500–1700, George G. Levin Nov 2013

Women And The Second Estate In 16th Century Zambezia: Gendered Powers, A 'Puppet' African Queen And Succession In Vakaranga Society, 1500–1700, George G. Levin

Master's Theses

Women in vaKaranga society of the 15th to 17th centuries have been portrayed as oppressed by an "extremely patriarchal" system, but the reality, while still fitting the simple classification of a 'patriarchal' monarchy, indicates quite a bit more negotiation of gendered powers than women, as a class, experienced in the Mediterranean or East Asia. The vaKaranga were the architects of Great Zimbabwe, the capital of a growing state, colonizing their cousins of the Zambezi river, which their Kusi-Mashariki Bantu forefathers had traversed southward a millennium before. Civil war had (apparently) split one nation into two states, Mutapa (Monomotapa) and Khami …


The Envenoming Pandemic And The Misguided Views Of Snakes: Developing Sustainable Relationships Between Native Poisonous Snakes Of India And The Citizens Of Maharashtra Through The Use Of The Irula Model., Destiny Villanueva Nov 2013

The Envenoming Pandemic And The Misguided Views Of Snakes: Developing Sustainable Relationships Between Native Poisonous Snakes Of India And The Citizens Of Maharashtra Through The Use Of The Irula Model., Destiny Villanueva

Animal Science

Due to its vast population and general negative consensus regarding snakes, India is notorious for having more snakebite incidents than any other country. Snakes are simultaneously revered and feared in Indian religion and culture. This stigma is perpetuated through propaganda, family beliefs, and innate fears of snakes.These stigmas are more pronounced within rural areas, such as the region of Mahad within the state of Maharshtra. Envenoming is endemic in these areas, and others like them. The World Health Organization identified envenoming as one of the most neglected tropical diseases of the 21st century (Nature India, 2013). Additionally, both nonvenomous and …


As-771-13 Resolution On Proposal For The Establishment Of The Kenneth N. Edwards Western Coatings Technology Center, Dr. Raymond Fernando, Arthur C. Edwards, Ednowed Chair, Director: Polymers And Coatings Program, Chemistry And Biochemistry Department, Cal Poly Oct 2013

As-771-13 Resolution On Proposal For The Establishment Of The Kenneth N. Edwards Western Coatings Technology Center, Dr. Raymond Fernando, Arthur C. Edwards, Ednowed Chair, Director: Polymers And Coatings Program, Chemistry And Biochemistry Department, Cal Poly

Academic Senate Resolutions

That The Academic Senate endorses the proposal for the Kenneth N. Edwards Western Coatings Technology Center.


Academic Senate - Agenda, 10/29/2013, Academic Senate Oct 2013

Academic Senate - Agenda, 10/29/2013, Academic Senate

Academic Senate Agendas

No abstract provided.


Academic Senate - Agenda, 10/8/13, Academic Senate Oct 2013

Academic Senate - Agenda, 10/8/13, Academic Senate

Academic Senate Agendas

No abstract provided.


Luxs In Bacteria Isolated From 25- To 40-Million-Year-Old Amber, Tasha M. Santiago-Rodriguez, Ana R. Patrício, Jessica I. Rivera, Mariel Coradin, Alfredo Gonzalez, Gabriela Tirado, Raúl J. Cano, Gary A. Toranzos Oct 2013

Luxs In Bacteria Isolated From 25- To 40-Million-Year-Old Amber, Tasha M. Santiago-Rodriguez, Ana R. Patrício, Jessica I. Rivera, Mariel Coradin, Alfredo Gonzalez, Gabriela Tirado, Raúl J. Cano, Gary A. Toranzos

Biological Sciences

Interspecies bacterial communication is mediated by autoinducer-2, whose synthesis depends on luxS. Due to the apparent universality of luxS (present in more than 40 bacterial species), it may have an ancient origin; however, no direct evidence is currently available. We amplified luxS in bacteria isolated from 25- to 40-million-year-old amber. The phylogenies and molecular clocks of luxS and the 16S rRNA gene from ancient and extant bacteria were determined as well. Luminescence assays using Vibrio harveyi BB170 aimed to determine the activity of luxS. While the phylogeny of luxS was very similar to that of extant Bacillus spp., …


Engineering Advantage, Fall 2013, College Of Engineering Oct 2013

Engineering Advantage, Fall 2013, College Of Engineering

Engineering Advantage

No abstract provided.


Fall 2013 Polyview, Office Of Institutional Research Oct 2013

Fall 2013 Polyview, Office Of Institutional Research

Office of Institutional Research

No abstract provided.


Agriview, Fall 2013, College Of Agriculture, Food, And Environmental Sciences California Polytechnic University - San Luis Obispo Oct 2013

Agriview, Fall 2013, College Of Agriculture, Food, And Environmental Sciences California Polytechnic University - San Luis Obispo

AGRIVIEW

No abstract provided.


Road Cuts And Atterberg Limits Of Little Creek Road, Christopher A. Marquis Oct 2013

Road Cuts And Atterberg Limits Of Little Creek Road, Christopher A. Marquis

Natural Resources Management and Environmental Sciences

This senior project examined road cuts and soil adjacent to the road cut, along Little Creek road. Contrasting a landslide hillslope complex to a hillslope drainage complex, the project also compared the organic soil horizon to the mineral soil horizon in both soil units. The soils were analyzed using qualitative and quantitative measures of soil properties. The project utilized a road cut inventory to note the characteristics of the road cut such as presence of rill erosion, rock outcrop and sloping degree of the road cut. The project derived the plasticity index for both organic and mineral horizons, and compared …


Identifying Chromosome Rearrangements In The Allopolyploid Brassica Napus Using Pyrosequencing, Alexandra R. Barbella Oct 2013

Identifying Chromosome Rearrangements In The Allopolyploid Brassica Napus Using Pyrosequencing, Alexandra R. Barbella

Master's Theses

Allopolyploids form through the hybridization of two or more diploid genomes. A challenge to reproduction in allopolyploids is that pairing can occur between homologous chromosomes or homeologous chromosomes (i.e.different subgenomes.). Crossover between homeologous chromosomes can result in chromosome rearrangements that lower fertility and overall fitness. Rearrangements can alter the dosage of either entire chromosomes or just parts of chromosomes. Understanding the frequency and extent of rearrangements will help to explain the evolution and genome stabilization of agriculturally important allopolyploid species. Pyrosequencing is a useful tool in the study dosage changes in allopolyploids because it allows quantification of the relative contribution …


Effects Of Racism And Discrimination On Personality Development Among African American Male Repeat Offenders, Tiffany Nicole Lockett Oct 2013

Effects Of Racism And Discrimination On Personality Development Among African American Male Repeat Offenders, Tiffany Nicole Lockett

Master's Theses

ABSTRACT

Effects of Racism and Discrimination on Personality Development among

African American Male Repeat Offenders

Tiffany Nicole Lockett

Throughout history in the United States, the African American community has consistently been the victim of social policies put in place to disenfranchise this population (Mauer & Chesney-Lind, 2002; Painter, 2007; Parham, White & Ajamu, 1999). With a longstanding presence of systemic racism and discrimination, the criminal justice system and the dominant culture continues to pathologize this minority group and advocate for increased penalties which further stigmatize African Americans, particularly males in this group (Reiman, 1996; Russell, 1998). Though most criminology research …


Recognizing Nonhuman Morality, Simon J. Coghlan Sep 2013

Recognizing Nonhuman Morality, Simon J. Coghlan

Between the Species

Claims that some sorts of genuine moral behavior exist in nonhuman beings are increasingly common. Many people, however, remain unconvinced, despite growing acceptance of the remarkable behavioral complexity of animals and despite the admission that there may be significant differences between human and nonhuman moral behavior. This paper argues that the rejection of “moral animals” is misplaced. Yet at the same time, it attempts to show how the philosophical task of exhibiting the possibility of nonhuman moral behavior is often misguided, leaving claims about nonhuman morality unnecessarily exposed to philosophical rejection.


Executive Committee - Agenda, 9/24/2013, Academic Senate Sep 2013

Executive Committee - Agenda, 9/24/2013, Academic Senate

Academic Senate Agendas

No abstract provided.


Rov-Based Tracking Of A Shallow Water Nocturnal Squid, Samuel Yim, Christopher M. Clark, Timothy Peters, Vladimir Prodanov, Pat Fidopiastis Sep 2013

Rov-Based Tracking Of A Shallow Water Nocturnal Squid, Samuel Yim, Christopher M. Clark, Timothy Peters, Vladimir Prodanov, Pat Fidopiastis

Biological Sciences

This paper describes the use of a Remotely Operated Vehicle (ROV) equipped with a monocular vision system to find and track the squid Euprymna scolopes, so that motion behaviors of the squid could be characterized through the use of off-line image processing and state estimation. The ROV was deployed for several nights at several nearshore locations off Oahu, resulting in 10 hours of squid footage. Using blob-tracking image processing techniques and a Particle Filter state estimator, the squid can be detected and tracked. The position, velocity, and acceleration of the squid relative to the stationary ROV can be determined. Experiment …


September 18, 2013 Cal Poly Report, Public Affairs Office Sep 2013

September 18, 2013 Cal Poly Report, Public Affairs Office

Cal Poly Report

No abstract provided.


Environmental Productivity Predicts Migration, Demographic, And Linguistic Patterns In Prehistoric California, Brian F. Codding, Terry L. Jones Sep 2013

Environmental Productivity Predicts Migration, Demographic, And Linguistic Patterns In Prehistoric California, Brian F. Codding, Terry L. Jones

Social Sciences

Global patterns of ethnolinguistic diversity vary tremendously. Some regions show very little variation even across vast expanses, whereas others exhibit dense mosaics of different languages spoken alongside one another. Compared with the rest of Native North America, prehistoric California exemplified the latter. Decades of linguistic, genetic, and archaeological research have produced detailed accounts of the migrations that aggregated to build California’s diverse ethnolinguistic mosaic, but there have been few have attempts to explain the process underpinning these migrations and why such a mosaic did not develop elsewhere. Here we show that environmental productivity predicts both the order of migration events …


The Effects Of Temperature And Ovarian Stage On Vitellin Concentrations In Sicyonia Ingentis, Lacee Sherman, Brian Tsukimura, Robert Delmanowski, Alan Terusaki Sep 2013

The Effects Of Temperature And Ovarian Stage On Vitellin Concentrations In Sicyonia Ingentis, Lacee Sherman, Brian Tsukimura, Robert Delmanowski, Alan Terusaki

STAR Program Research Presentations

The ridgeback shrimp, Sicyonia ingentis, lives off of the west coast of North America along the shorelines of California, and Baja California and is a source of both revenue and food for residents of the area. The reproductive abilities of S. ingentis are crucial to the survival of the species. Vitellin (Vn) is an egg yolk protein found in the ovaries of reproductive shrimp and can also be seen in their hemolymph. This study examines temperature as a factor influencing the reproductive fitness of S. ingentis. The synthesis of Vitellin is a good indicator of reproductive fitness and the concentrations …


Fabrication And Characterization Of A Palladium/Porous Silicon Layer, Nicholas Hong Lui Sep 2013

Fabrication And Characterization Of A Palladium/Porous Silicon Layer, Nicholas Hong Lui

Master's Theses

When porous silicon is plated with a catalytic metal, the two materials can act together as a single entity whose electrical properties are sensitive to its environment – the sensing component of an electrochemical gas sensor. Etching pores into silicon is an electrochemical process; and which type of doped silicon used is one of its key parameters. For nearly all reported porous silicon gas sensors, the silicon has been of the p-doped variety – because p-doped porous etching is better understood and the layers that result from it are more predictable – despite n-doped silicon having potentially significant benefits in …


Evaluation Of Species Distribution Models By Resampling Of Sites Surveyed A Century Ago By Joseph Grinnell, Adam B. Smith, Maria J. Santos, Michelle S. Koo, Karen M.C. Rowe, Kevin C. Rowe, James L. Patton, John D. Perrine, Steven R. Beissinger, Craig Moritz Sep 2013

Evaluation Of Species Distribution Models By Resampling Of Sites Surveyed A Century Ago By Joseph Grinnell, Adam B. Smith, Maria J. Santos, Michelle S. Koo, Karen M.C. Rowe, Kevin C. Rowe, James L. Patton, John D. Perrine, Steven R. Beissinger, Craig Moritz

Biological Sciences

Species distribution models (SDMs) are commonly applied to predict species’ responses to anticipated global change, but lack of data from future time periods precludes assessment of their reliability. Instead, performance against test data in the same era is assumed to correlate with accuracy in the future. Moreover, high-confidence absence data is required for testing model accuracy but is often unavailable since a species may be present when undetected. Here we evaluate the performance of eight SDMs trained with historic (1900–1939) or modern (1970–2009) climate data and occurrence records for 18 mammalian species. Models were projected to the same or the …