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Articles 4861 - 4890 of 8069
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Summer Mustang, August 2, 2001
Summer Mustang, August 2, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Summer Mustang, July 26, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
July 18, 2001 Cal Poly Report, Public Affairs Office
July 18, 2001 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Crystal-Size Distributions And Possible Biogenic Origin Of Fe Sulfides, Mihály Pósfai, Krisztina Cziner, Emö Márton, Péter Márton, Peter R. Buseck, Richard B. Frankel, Dennis A. Bazylinski
Crystal-Size Distributions And Possible Biogenic Origin Of Fe Sulfides, Mihály Pósfai, Krisztina Cziner, Emö Márton, Péter Márton, Peter R. Buseck, Richard B. Frankel, Dennis A. Bazylinski
Physics
Sedimentary greigite (Fe3S4) can form either by ''biologically controlled'' or by ''biologically induced mineralization'' (BCM and BIM, respectively). In order to identify the origin of magnetic Fe sulfides, we studied and compared the sizes and morphologies of greigite crystals produced by a magnetotactic microorganism (previously described and referred to as the ''many-celled magnetotactic prokaryote'', MMP) and Fe sulfides from two specimens of Miocene sedimentary rocks (from Łaka, in the foredeep of the Western Carpathians and from Michalovce, in the Transcarpathian Depression). Greigite grains from the MMP and the Łaka rock show nearly Gaussian crystal-size distributions (CSDs), …
Off-Axis Electron Holography Of Magnetotactic Bacteria: Magnetic Microstructure Of Strains Mv-1 And Ms-1, R. E. Dunin-Borkowski, Martha R. Mccartney, Mihály Pósfai, Richard B. Frankel, Dennis A. Bazylinski, Peter R. Buseck
Off-Axis Electron Holography Of Magnetotactic Bacteria: Magnetic Microstructure Of Strains Mv-1 And Ms-1, R. E. Dunin-Borkowski, Martha R. Mccartney, Mihály Pósfai, Richard B. Frankel, Dennis A. Bazylinski, Peter R. Buseck
Physics
Off-axis electron holography in the transmission electron microscope is used to characterize the magnetic microstructure of magnetotactic bacteria. The practical details of the technique are illustrated through the examination of single cells of strains MV-1 and MS-1, which contain crystals of magnetite (Fe3O4) that are ~50nm in size and are arranged in chains. Electron holography allows the magnetic domain structures within the nanocrystals to be visualized directly at close to the nanometer scale. The crystals are shown to be single magnetic domains. The magnetization directions of small crystals that would be superparamagnetic if they were isolated …
@Csc.Calpoly.Edu, Summer 2001, Computer Science And Software Engineering Department
@Csc.Calpoly.Edu, Summer 2001, Computer Science And Software Engineering Department
Computer Science and Software Engineering Department Newsletter
No abstract provided.
Biological Control As A Tool For Ecosystem Management, David H. Headrick, Richard D. Goeden
Biological Control As A Tool For Ecosystem Management, David H. Headrick, Richard D. Goeden
Horticulture and Crop Science
Biological control is proposed as a tool useful for ecosystem management and compatible with the goals of often competing interests regarding the restoration and maintenance of ecosystems. We summarize the effects of introduced species on ecosystems in three broad groups: insects, vertebrates, and weeds. We then discuss the role of biological control for each of these groups in the context of ecosystem management and realistic outcomes. Of the three groups, we show that biological control of weeds appears to have the best chance for success in ecosystem management. We provide two case studies to support our ideas and finally discuss …
The Effect Of The El Niño–Southern Oscillation Event On The Distribution Of Reef-Associated Labrid Fishes In The Eastern Pacific Ocean, Benjamin C. Victor, Gerard M. Wellington, D. Ross Robertson, Benjamin I. Ruttenberg
The Effect Of The El Niño–Southern Oscillation Event On The Distribution Of Reef-Associated Labrid Fishes In The Eastern Pacific Ocean, Benjamin C. Victor, Gerard M. Wellington, D. Ross Robertson, Benjamin I. Ruttenberg
Biological Sciences
We surveyed the labrid fishes of the eastern Pacific ocean at multiple sites before, during, and after the 1997–98 ENSO event. Our observations showed that reef fish communities in general did not appear to change markedly as a result of the ENSO. Recruitment of labrids at the Galápagos Islands, Clipperton Atoll and Baja California was generally high near the end of the ENSO, indicating no negative effect on populations. Two labrid species did extend their known range during the ENSO: Stethojulis bandanensis settled onto the tip of Baja California and to the Galápagos Islands, while Thalassoma virens recruited heavily to …
Summer Mustang, June 28, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Summer Mustang, June 21, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
June 20, 2001 Cal Poly Report, Public Affairs Office
June 20, 2001 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
June 13, 2001 Cal Poly Report, Public Affairs Office
June 13, 2001 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Proceedings Of The 2001 Onr Decision-Support Workshop Series: Continuing The Revolution In Military Affairs, Collaborative Agent Design Research Center
Proceedings Of The 2001 Onr Decision-Support Workshop Series: Continuing The Revolution In Military Affairs, Collaborative Agent Design Research Center
Collaborative Agent Design (CAD) Research Center
In August of 1998 the Collaborative Agent Design Research Center (CADRC) of the California Polytechnic State University in San Luis Obispo (Cal Poly), approached the Office of Naval Research (ONR) with the proposal for an annual workshop focusing on emerging concepts in decision-support systems for military applications. The proposal was considered timely by the ONR Logistics Program Office for at least two reasons. First, rapid advances in information systems technology over the past decade had produced distributed, collaborative computer-assistance capabilities with profound potential for providing meaningful support to military decision makers. Indeed, some systems based on these new capabilities such …
Mustang Daily, June 4, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Immaccs: A Multi-Agent Decision-Support System, Jens G. Pohl, Mark Porczak, Kym Jason Pohl, Russell Leighton, Hisham Assal, Alan Davis, Lakshmi Vempati, Anthony Wood
Immaccs: A Multi-Agent Decision-Support System, Jens G. Pohl, Mark Porczak, Kym Jason Pohl, Russell Leighton, Hisham Assal, Alan Davis, Lakshmi Vempati, Anthony Wood
Collaborative Agent Design (CAD) Research Center
This report describes work performed by the Collaborative Agent Design Research Center for the US Marine Corps Warfighting Laboratory (MCWL), on the IMMACCS experimental decision-support system. IMMACCS (Integrated Marine Multi-Agent Command and Control System) incorporates three fundamental concepts that distinguish it from existing (i.e., legacy) command and control applications. First, it is a collaborative system in which computer-based agents assist human operators by monitoring, analyzing, and reasoning about events in near real-time. Second, IMMACCS includes an ontological model of the battlespace that represents the behavioral characteristics and relationships among real world entities such as friendly and enemy assets, infrastructure objects …
Parasitism Patterns And The Size-Fecundity Relationship In The Acoustically Orienting Dipteran Parasitoid Ormia Ochracea, Gita R. Kolluru, Marlene Zuk
Parasitism Patterns And The Size-Fecundity Relationship In The Acoustically Orienting Dipteran Parasitoid Ormia Ochracea, Gita R. Kolluru, Marlene Zuk
Biological Sciences
Female parasitoids are expected to distribute offspring among hosts in a manner that maximizes fitness. Several theoretical and empirical studies have focussed on clutch-size patterns in hymenopteran parasitoids. In contrast, dipteran parasitoids, which differ from hymenopterans in potentially important ways, have received little attention. The phonotactic tachinid fly Ormia ochracea has been intensively studied for its effects on host crickets, and has recently been the subject of studies of its own reproductive biology. This work suggests a negative relationship between clutch size and progeny fitness (consistent with hymenopterans), but no adjustment of clutch size to host size (different from hymenopterans). …
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 …
Mustang Daily, June 1, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 24, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
May 23, 2001 Cal Poly Report, Public Affairs Office
May 23, 2001 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Executive Committee - Agenda, 5/22/2001, Academic Senate
Executive Committee - Agenda, 5/22/2001, Academic Senate
Academic Senate Agendas
No abstract provided.
Mustang Daily, May 21, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 18, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 17, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 16, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 14, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Analysis And New Records Of Billfish (Teleostei: Perciformers: Istiophoridae) From The Yorktown Formation, Early Pliocene Of Eastern North Carolina At Lee Creek Mine, Harry L. Fierstine
Analysis And New Records Of Billfish (Teleostei: Perciformers: Istiophoridae) From The Yorktown Formation, Early Pliocene Of Eastern North Carolina At Lee Creek Mine, Harry L. Fierstine
Biological Sciences
Five species of the billfish family Istiophoridae (Istiophorus platypterus (Shaw and Nodder), Makaira indica (Cuvier), M. nigricans Lacépède, M. purdyi Fierstine, Tetrapturus albidus Poey) were identified from approximately 500 separate bones collected in the Yorktown Formation (early Pliocene) at Lee Creek Mine, North Carolina. This is the only record of M. purdyi, the first fossil record of the genus Tetrapturus (specifically T. albidus), the second fossil record of I. platypterus and M. indica, and the first record of I. platypterus, M. indica, M. nigricans, and T. albidus from fossil deposits bordering the Atlantic Ocean.
Identification was …
May 9, 2001 Cal Poly Report, Public Affairs Office
May 9, 2001 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, May 2, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
16s Ribosomal Dna Terminal Restriction Fragment Pattern Analysis Of Bacterial Communities In Feces Of Rats Fed Lactobacillus Acidophilus Ncfm, Christopher W. Kaplan, Johanna C. Astaire, M. E. Sanders, Bandaru S. Reddy, Christopher L. Kitts
16s Ribosomal Dna Terminal Restriction Fragment Pattern Analysis Of Bacterial Communities In Feces Of Rats Fed Lactobacillus Acidophilus Ncfm, Christopher W. Kaplan, Johanna C. Astaire, M. E. Sanders, Bandaru S. Reddy, Christopher L. Kitts
Biological Sciences
16S ribosomal DNA terminal restriction fragment patterns from rat fecal samples were analyzed to track the dynamics of Lactobacillus acidophilus NCFM and discern bacterial populations that changed during feeding with NCFM. Lactobacillus johnsonii and Ruminococcus flavefaciens were tentatively identified as such bacterial populations. The presence of L. johnsonii was confirmed by isolation from feces.