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Articles 61 - 86 of 86
Full-Text Articles in Entire DC Network
Grants And Contracts Awarded In Fiscal Year 2004, Grants Development Office
Grants And Contracts Awarded In Fiscal Year 2004, Grants Development Office
Grants Development Office Reports
No abstract provided.
Prehistoric Marine Mammal Overkill In The Northeastern Pacific: A Review Of New Evidence, Terry L. Jones, William R. Hildebrandt, Douglas J. Kennett, Judith F. Porcasi
Prehistoric Marine Mammal Overkill In The Northeastern Pacific: A Review Of New Evidence, Terry L. Jones, William R. Hildebrandt, Douglas J. Kennett, Judith F. Porcasi
Social Sciences
A model of prehistoric marine mammal overexploitation advanced by Hildebrandt and Jones (1992) for the northeastern Pacific has been challenged by Colten (1995) and Colten and Arnold (1998) who argue that diachronic patterns in faunal remains from California’s Channel Islands reflect climatically-induced decline in marine productivity and local socio-cultural developments not over predation. In this paper, we point out that some Channel Islands faunal trends are consistent with overexploitation, while others reflect methodological variation between studies. Newly available paleoenvironmental data raise questions about previous characterizations of late Holocene marine productivity, while new zooarchaeological findings from Monterey Bay, San Miguel and …
Dietary Patterns And Prostate Cancer Risk In The National Health And Nutrition Examination Survey Epidemiological Follow-Up Study Cohort, Marilyn Tseng, Rosalind A. Breslow, Robert F. Devillis, Regina G. Ziegler
Dietary Patterns And Prostate Cancer Risk In The National Health And Nutrition Examination Survey Epidemiological Follow-Up Study Cohort, Marilyn Tseng, Rosalind A. Breslow, Robert F. Devillis, Regina G. Ziegler
Kinesiology and Public Health
Ecological studies implicate a “Western” diet in prostate cancer development, but whether dietary patterns measured in individuals are associated with risk has not been studied previously. We examined this issue using prospective data from the nationally representative United States Health Examination Epidemiological Follow-up Study. Among 3,779 men followed from 1982– 84 to 1992, 136 incident cases were identified. Using principal component analysis on responses to a 105-item dietary questionnaire, the following three distinct patterns were identified: a vegetable-fruit pattern; a red meat-starch pattern characterized by red meats, potatoes, cheese, salty snacks, and desserts; and a Southern pattern characterized by such …
Grants And Contracts Awarded In Fiscal Year 2003, Grants Development Office
Grants And Contracts Awarded In Fiscal Year 2003, Grants Development Office
Grants Development Office Reports
No abstract provided.
Proposals Submitted In Fiscal Year 2003, Grants Development Office
Proposals Submitted In Fiscal Year 2003, Grants Development Office
Grants Development Office Reports
No abstract provided.
Leaf Size, Specific Leaf Area And Microhabitat Distribution Of Chaparral Woody Plants: Contrasting Patterns In Species Level And Community Level Analyses, D. D. Ackerly, Charles A. Knight, S. B. Weiss, K. Barton, K. P. Starmer
Leaf Size, Specific Leaf Area And Microhabitat Distribution Of Chaparral Woody Plants: Contrasting Patterns In Species Level And Community Level Analyses, D. D. Ackerly, Charles A. Knight, S. B. Weiss, K. Barton, K. P. Starmer
Biological Sciences
We examined variation in leaf size and specific leaf area (SLA) in relation to the distribution of 22 chaparral shrub species on small-scale gradients of aspect and elevation. Potential incident solar radiation (insolation) was estimated from a geographic information system to quantify microclimate affinities of these species across north- and south-facing slopes. At the community level, leaf size and SLA both declined with increasing insolation, based on average trait values for the species found in plots along the gradient. However, leaf size and SLA were not significantly correlated across species, suggesting that these two traits are decoupled and associated with …
Grants And Contracts Awarded In Fiscal Year 2002, Grants Development Office
Grants And Contracts Awarded In Fiscal Year 2002, Grants Development Office
Grants Development Office Reports
No abstract provided.
The Detection Of Bacillus Endospores During Low Heat Skim Milk Powder Processing Using Nucleic Acid Technology, Amy J. Rife, Rafael Jiménez-Flores, Chris Kitts, Mark Kubinski
The Detection Of Bacillus Endospores During Low Heat Skim Milk Powder Processing Using Nucleic Acid Technology, Amy J. Rife, Rafael Jiménez-Flores, Chris Kitts, Mark Kubinski
Dairy Science
Abstract of paper presented at the 2002 Joint Annual Meeting of the American Dairy Science Association & the American Society of Animal Science.
Proposals Submitted In Fiscal Year 2002, Grants Development Office
Proposals Submitted In Fiscal Year 2002, Grants Development Office
Grants Development Office Reports
No abstract provided.
Invasion Genetics Of New World Medflies: Testing Alternative Colonization Scenarios, Andrew J. Bohonak, Neil Davies, Francis X. Villablanca, George K. Roderick
Invasion Genetics Of New World Medflies: Testing Alternative Colonization Scenarios, Andrew J. Bohonak, Neil Davies, Francis X. Villablanca, George K. Roderick
Biological Sciences
The Mediterranean fruit fly (Ceratitis capitata) is an invasive agricultural pest with a wide host range and a nearly global distribution. Efforts to forgo the medfly''s spread into the United States are dependent on an understanding of population dynamics in newly established populations elsewhere. To explore the potential influence of demographic and historical parameters in six medfly populations distributed from Mexico to Peru, we created population genetic null models using Monte Carlo simulations. Null expectations for genetic differentiation (F ST) were compared with actual sequence variation from four highly polymorphic nuclear loci. Four colonization scenarios that …
Volume I, Master Plan And Environmental Impact Report, Facilities Planning And Capital Projects, California Polytechnic State University - San Luis Obispo
Volume I, Master Plan And Environmental Impact Report, Facilities Planning And Capital Projects, California Polytechnic State University - San Luis Obispo
Publications
Cal Poly’s new Master Plan provides principles and guidelines for the physical development of Cal Poly so that the University can sustain its distinctive mission as a polytechnic university into the 21st century. The Plan is designed to meet the educational needs of the campus, respond to the growing demand for higher education - particularly in scientific and technical fields - and address the role of the University as a member of its larger community.
Sclerosponges: Potential High-Resolution Recorders Of Marine Paleotemperatures, Gary B. Hughes, Charles W. Thayer
Sclerosponges: Potential High-Resolution Recorders Of Marine Paleotemperatures, Gary B. Hughes, Charles W. Thayer
Statistics
Sclerosponges have great potential as seawater temperature recorders. These animals precipitate their skeletons in carbon and oxygen isotopic equilibrium with the surrounding seawater (Druffel and Benavides, 1986). Their skeletons also display chemical properties that vary directly with changes in environmental conditions. Lack of photosynthetic symbionts allows sclerosponges to live below the photic zone, providing the potential to investigate past marine conditions beyond the range of corals. Individual sponges live for several centuries, preserving archives of pre-and postindustrial seawater variations within single specimens (Hartman and Reiswig, 1980). Cross-correlation of successively older specimens could yield up to 2000 years of marine history. …
Occurrence And Distribution Of Diverse Populations Of Magnetic Protists In A Chemically Stratified Coastal Salt Pond, Dennis A. Bazylinski, David R. Schlezinger, Brian H. Howes, Richard B. Frankel, Slava S. Epstein
Occurrence And Distribution Of Diverse Populations Of Magnetic Protists In A Chemically Stratified Coastal Salt Pond, Dennis A. Bazylinski, David R. Schlezinger, Brian H. Howes, Richard B. Frankel, Slava S. Epstein
Physics
Chemical stratification occurs in the water columns and sediments of many aquatic habitats resulting in vertical chemical and redox gradients. Various types of microorganisms are often associated with specific depths and chemical parameters in these situations. For example, magnetite-producing magnetotactic bacteria are known to form horizontal “plates” of cells at the oxic/anoxic transition zone (OATZ) of such environments. Here, we report the presence of populations of diverse magnetic protists in a seasonally chemically stratified, coastal salt pond. The protistan types included several biflagellates, a dinoflagellate, and a ciliate that were each associated with specific depths and thus, specific chemical, microbiological …
Food Intake Patterns And Gallbladder Disease In Mexican Americans, Marilyn Tseng, Robert F. Devellis, Kurt R. Maurer, Meena Khare, Lenore Kohlmeier, James E. Everhart, Robert S. Sandler
Food Intake Patterns And Gallbladder Disease In Mexican Americans, Marilyn Tseng, Robert F. Devellis, Kurt R. Maurer, Meena Khare, Lenore Kohlmeier, James E. Everhart, Robert S. Sandler
Kinesiology and Public Health
Objective: Results of previous studies on diet and gallbladder disease (GBD), defined as having gallstones or having had surgery for gallstones, have been inconsistent. This research examined patterns of food intake in Mexican Americans and their associations with GBD. Design: Cross-sectional. Subjects: The study population included 4641 Mexican Americans aged 20±74 years who participated in the 1988±94 third National Health and Nutrition Examination Survey (NHANES III). GBD was diagnosed by ultrasound. Food intake patterns were identifed by principal components analysis based on food frequency questionnaire responses. Component scores representing the level of intake of each pattern were categorized into quartiles, …
Environmental Imperatives Reconsidered, Terry L. Jones, Gary M. Brown, L. Mark Raab, Janet L. Mcvickar, W. Geoffrey Spaulding, Douglas J. Kennett, Andrew York, Phillip L. Walker
Environmental Imperatives Reconsidered, Terry L. Jones, Gary M. Brown, L. Mark Raab, Janet L. Mcvickar, W. Geoffrey Spaulding, Douglas J. Kennett, Andrew York, Phillip L. Walker
Social Sciences
Review of late Holocene paleoenvironmental and cultural sequences from four regions of western North America shows striking correlations between drought and changes in subsistence, population, exchange, health, and interpersonal violence during the Medieval Climatic Anomaly (a.d. 800–1350). While ultimate causality is difficult to identify in the archaeological record, synchrony of the environmental and cultural changes and the negative character of many human responses—increased interpersonal violence, deterioration of long-distance exchange relationships, and regional abandonments—suggest widespread demographic crises caused by decreased environmental productivity. The medieval droughts occurred at a unique juncture in the demographic history of western North America when unusually large …
Dietary Intake And Gallbladder Disease: A Review, Marilyn Tseng, James E. Everhart, Robert S. Sandler
Dietary Intake And Gallbladder Disease: A Review, Marilyn Tseng, James E. Everhart, Robert S. Sandler
Kinesiology and Public Health
Objective: Dietary intake has long been looked upon as a potentially modifiable risk factor for gallbladder disease (GBD), here defined as either having gallstones or having had surgery for gallstones. This paper reviews the epidemiological evidence for an association between dietary intake and GBD, focusing on six dietary factors that have received the most attention in studies in this area: energy intake, fatty acids, cholesterol, carbohydrates and fibre, calcium and alcohol. The objectives of this review are to evaluate the potential usefulness of altering the diet to prevent GBD and to consider future research in this area. Design: We reviewed …
Is Population Genetics Mired In The Past?, Andrew J. Bohonak, Neil Davies, George K. Roderick, Francis X. Villablanca
Is Population Genetics Mired In The Past?, Andrew J. Bohonak, Neil Davies, George K. Roderick, Francis X. Villablanca
Biological Sciences
No abstract provided.
Terminal Restriction Fragment Patterns (Trfps), A Rapid, Pcr-Based Method For The Comparison Of Complex Bacterial Communities, Brian G. Clement, Lucia E. Kehl, Kristin L. Debord, Christopher L. Kitts
Terminal Restriction Fragment Patterns (Trfps), A Rapid, Pcr-Based Method For The Comparison Of Complex Bacterial Communities, Brian G. Clement, Lucia E. Kehl, Kristin L. Debord, Christopher L. Kitts
Biological Sciences
Microbial populations in complex environmental samples are difficult to characterize; current techniques are incomplete and time consuming. We investigated a polymerase chain reaction (PCR)-based method for rapidly comparing bacterial communities independent of culture or cloning. Community 16S rRNA genes were amplified and fluorescently labeled by PCR. The labeled products were digested by a restriction enzyme and the labeled, terminal restriction fragments (TRFs) were separated by electrophoresis and detected by laser-induced fluorescence on an automated gene sequencer. PCR parameters were optimized using an in vitro model community of known organisms. Community comparisons were made between deer fecal pellets, petroleum hydrocarbon-contaminated sands …
Mustang Daily, January 10, 1997
Mustang Daily, January 10, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Geomorphic And Pedogenic Evolution In Coastal Sediments, Central California, Lynn E. Moody, R. C. Graham
Geomorphic And Pedogenic Evolution In Coastal Sediments, Central California, Lynn E. Moody, R. C. Graham
Natural Resources Management and Environmental Sciences
Studies of soil chronosequences on marine terraces facilitate the use of terraces for tectonic and paleoclimatic interpretation. However, many areas on the California coast have received substantial eolian deposits after pedogenesis began, so do not qualify as chronosequences. These areas are worthy of study because they are widespread coastal landscape features, and they enable us to interpret pedogenic and geomorphic processes in sandy regolith. The objective of this study was to use soil and deep regolith morphology and chemistry to interpret pedogenic and geomorphic evolution on a sequence of four marine terraces, San Luis Obispo County, California. The terraces are …
Animals: Moral Rights And Legal Rights, Charles Magel
Animals: Moral Rights And Legal Rights, Charles Magel
Between the Species
No abstract provided.
September 30, 1975 Cal Poly Report, Public Affairs Office
September 30, 1975 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
March 10, 1975 Cal Poly Report, Public Affairs Office
March 10, 1975 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, May 13, 1974
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Fishes Collected In Morro Bay, California Between January, 1968 And December, 1970, Harry L. Fierstine, Kurt F. Kline, Gregory R. Garman
Fishes Collected In Morro Bay, California Between January, 1968 And December, 1970, Harry L. Fierstine, Kurt F. Kline, Gregory R. Garman
Biological Sciences
Sixty-six species of fish were collected in Morro Bay between January, 1968 and December, 1970. The bay was divided into five ecological zones. Zone I was characterized by sandy beaches with little algae and contained 10 species. Zone II contained 35 species and was characterized by a sandy-silt bottom with some Zostera and kelp beds scattered among commercial piers. Zone III contained 31 species and was characterized by more Zostera beds and fewer commercial developments than Zone II. Zone IV contained 30 species and was characterized by large expanses of shallow Zostera beds dissected by very narrow channels. Zone V …
November 17, 1970 Cal Poly Report, Public Affairs Office
November 17, 1970 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.