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Articles 3991 - 4020 of 13113
Full-Text Articles in Entire DC Network
Response Of Antelope Bitterbrush Shrubsteppe To Variation In Livestock Grazing, P. G. Krannitz
Response Of Antelope Bitterbrush Shrubsteppe To Variation In Livestock Grazing, P. G. Krannitz
Western North American Naturalist
Shrubsteppe ecosystems in the Intermountain West have suffered extreme alteration from a variety of factors. Using a retrospective approach, I studied the effects of horse and cattle grazing at the northern edge of the range in southern British Columbia, Canada, where the shrubsteppe is not as heavily altered and ungrazed sites remain in areas dominated by antelope bitterbrush (Purshia tridentata). I measured shrub and understory cover at 10 sites that were either ungrazed, lightly grazed, or heavily grazed. Cover of antelope bitterbrush decreased with grazing, and cover of big sagebrush (Artemisia tridentata) increased with grazing intensity. …
Diet Of The Mogollon Vole As Indicated By Stable-Isotope Analysis (Δ13C And Δ15N), Carol L. Chambers, Richard R. Doucett
Diet Of The Mogollon Vole As Indicated By Stable-Isotope Analysis (Δ13C And Δ15N), Carol L. Chambers, Richard R. Doucett
Western North American Naturalist
There are no published studies on the diet of Mogollon voles (Microtus mogollonensis) although this species occurs throughout the Southwest in montane forestlands. Mogollon voles are believed to be herbivorous, selecting the vegetative portion of grass as their dominant food source. Herbivores frequently select more easily digested C3 plants over C4 plants; we thus expected Mogollon voles would feed primarily on C3 plants. We collected hair samples from Mogollon voles captured in northern Arizona between 1967 and 2003 and plant samples from some capture sites. Then we compared stable carbon (δ13C) and nitrogen …
Northern Bobwhite Habitat Selection In Relation To Brush Management In The Rolling Plains Of Texas, Dean Ransom Jr., Roel R. Lopez, Gerral G. Schulz, Joel S. Wagner
Northern Bobwhite Habitat Selection In Relation To Brush Management In The Rolling Plains Of Texas, Dean Ransom Jr., Roel R. Lopez, Gerral G. Schulz, Joel S. Wagner
Western North American Naturalist
Many rangelands in the southwestern United States provide quality habitat for Northern Bobwhites (Colinus virginianus). These same habitats are frequently managed for livestock production and thus are subjected to various brush management practices that are meant to enhance forage production. Bobwhites rely on woody cover for food, thermal and loafing cover, and protection from avian predators. Implementing brush management practices that reflect bobwhite requirements is important for managing usable space and viable populations. We described the structural vegetative characteristics associated with bobwhite locations and random locations on native rangelands in the upper Rolling Plains of Texas that are …
Influence Of Soil And Site Characteristics On Palouse Prairie Plant Communities, Thor Hanson, Yaniria Sánchez–De León, Jodi Johnson-Maynard, Steve Brunsfeld
Influence Of Soil And Site Characteristics On Palouse Prairie Plant Communities, Thor Hanson, Yaniria Sánchez–De León, Jodi Johnson-Maynard, Steve Brunsfeld
Western North American Naturalist
The structure of grassland communities can vary widely in response to heterogeneous habitat variables. In this study we document plant communities, soil types, and site characteristics for 12 Palouse prairie remnants in southeastern Washington and northern Idaho. We used general linear models to test the predictive value of 6 biophysical variables (slope, aspect, distance from edge, edge type, vegetation structure, and soil type) on 3 plant community metrics: species richness, Simpson's diversity index, and the dominance of exotic species. From full models including all variables, we used Akaike's information criterion (AIC) to select the best model for each metric. Aspect …
Capture Rates Of Reptiles And Amphibians On Black-Tailed Prairie Dog (Cynomys Ludovicianus) Colonies And On Uncolonized Prairie In Colorado, Bryon K. Shipley, Richard P. Reading, Brian J. Miller
Capture Rates Of Reptiles And Amphibians On Black-Tailed Prairie Dog (Cynomys Ludovicianus) Colonies And On Uncolonized Prairie In Colorado, Bryon K. Shipley, Richard P. Reading, Brian J. Miller
Western North American Naturalist
Prairie dog eradication negatively affects dependent wildlife. Assessing the effects of prairie dog activities on reptiles and amphibians may depend upon the efficacy of trapping designs. We compared capture rates of reptiles and amphibians on black-tailed prairie dog (Cynomys ludovicianus) colonies and on adjacent uncolonized short-grass prairie, using funnel traps and pitfall traps with drift fences, as well as ground captures. We captured 152 reptiles and amphibians representing 10 species. We captured 51.3% of all reptiles and amphibians on colonies, compared to 48.7% from uncolonized sites. Overall, captures of reptiles and amphibians were similar on colonies and uncolonized …
Caudal Movements In Western Fence Lizards (Sceloporus Occidentalis) Prior To Attempted Prey Capture, C. Drew Foster, Patrick Martin
Caudal Movements In Western Fence Lizards (Sceloporus Occidentalis) Prior To Attempted Prey Capture, C. Drew Foster, Patrick Martin
Western North American Naturalist
Many snakes employ tail movements to attract prey, but this behavior is rare in lizards. Use of caudal movements to distract prey, however, is rare in all squamates. Recently, caudal movements in a Sceloporus occidentalis individual immediately prior to attempted prey capture were documented. We supplement this sole documentation of caudal movements in S. occidentalis with additional field observations. Additionally, video footage of the behavior was recorded on 2 occasions. From these additional observations, we hypothesize that this behavior might serve to distract prey.
California's Frontier Naturalists By Richard G. Beidleman, Howard O. Clark Jr.
California's Frontier Naturalists By Richard G. Beidleman, Howard O. Clark Jr.
Western North American Naturalist
No abstract provided.
Sample Analysis Methodology Utilizing Electromagnetic Radiation, John A. Woollam, Corey L. Bungay, Thomas E. Tiwald, Martin M. Liphardt, Ronald A. Synowicki, Gregory K. Pribil, Craig M. Herzinger, Blaine D. Johs, James N. Hilfiker
Sample Analysis Methodology Utilizing Electromagnetic Radiation, John A. Woollam, Corey L. Bungay, Thomas E. Tiwald, Martin M. Liphardt, Ronald A. Synowicki, Gregory K. Pribil, Craig M. Herzinger, Blaine D. Johs, James N. Hilfiker
Department of Electrical and Computer Engineering: Faculty Publications
Simultaneous use of wavelengths in at least two ranges selected from RADIO, MICRO, FIR, IR, NIR-VIS-NUV, UV, DUV, VUV, EUV, XRAY in a regression procedure to evaluate parameters in mathematical dispersion structures to model dielectric functions.
Nucleic Acid Sequences Found In Drosophila Melanogaster That Encode Proteins Essential For Viability And Method Of Use: U.S. Patent No. Us 7,384,745 B2, Alan C. Christensen, Douglas R. Dorer
Nucleic Acid Sequences Found In Drosophila Melanogaster That Encode Proteins Essential For Viability And Method Of Use: U.S. Patent No. Us 7,384,745 B2, Alan C. Christensen, Douglas R. Dorer
School of Biological Sciences: Faculty Publications
Within the unique Triplo-lethal region (Tpl) of the Drosophila melanogaster genome we have found a cluster of 20 genes encoding a novel family of proteins. This family is also present in the Anopheles gambiae genome and displays remarkable synteny and sequence conservation with the Drosophila cluster. The family is also present in the sequenced genome of Drosophila pseudoobscura, and homologs have been found in Aedes aegyptii mosquitoes and the honeybee (Apis mellfera), but it is not present in the sequenced genome of any non-insect species. Phylogenetic analysis suggests that the cluster evolved prior to the divergence of …
Aquatic Invertebrate Fauna Of A Northern Prairie Stream: Range Extensions And Water Quality Characteristics, Iain D. Phillips, Dale Parker, Glen Mcmaster
Aquatic Invertebrate Fauna Of A Northern Prairie Stream: Range Extensions And Water Quality Characteristics, Iain D. Phillips, Dale Parker, Glen Mcmaster
Western North American Naturalist
The benthic macroinvertebrate fauna of southern Saskatchewan, Canada, has received little attention relative to other regions of western North America. Therefore, little is known of the related aquatic ecosystem health and biogeography of regional aquatic insects. Here we present the results of an aquatic macroinvertebrate survey for the Pipestone Creek watershed in southeastern Saskatchewan. We qualitatively sampled aquatic macroinvertebrates in 5 sites on 4 dates through spring, summer, and fall 2006. Sampling produced 294 taxa of macroinvertebrates including 25 provincial range extensions to the southeast corner of the province. Presence/absence data of taxa grouped the sites into lentic and lotic …
Swift Fox Response To Prescribed Fire In Shortgrass Steppe, Craig M. Thompson, David J. Augustine, Darren M. Mayers
Swift Fox Response To Prescribed Fire In Shortgrass Steppe, Craig M. Thompson, David J. Augustine, Darren M. Mayers
Western North American Naturalist
Swift foxes (Vulpes velox) are shortgrass specialists and as a result are heavily dependent upon grassland disturbance regimes to maintain high-quality habitat. To better understand this relationship, we monitored the movement and spatial ecology of resident swift foxes before and after a 2005 prescribed burn in southeastern Colorado. We hypothesized that foxes would shift home ranges into and increase foraging activity within the prescribed burn area. Foxes did appear to alter their space-use patterns in response to the burn, although the response was constrained by territoriality. Foxes whose core-use areas overlapped the burn increased their use of the …
June 10, 2008, The Daily Mississippian
June 10, 2008, The Daily Mississippian
Daily Mississippian (all digitized issues)
No abstract provided.
06/09/2008 Obituary Records, Hawaii Obituaries
06/09/2008 Obituary Records, Hawaii Obituaries
Obituaries
List of Obituaries for individuals who passed away on 06/09/2008. Scroll down to see the names and obituary description.
Current, June 09, 2008, University Of Missouri-St. Louis
Current, June 09, 2008, University Of Missouri-St. Louis
Current (2000s)
No abstract provided.
Wetland Buffer Characterization And Public Outreach In North Hampton, Dave Kellam
Wetland Buffer Characterization And Public Outreach In North Hampton, Dave Kellam
PREP Reports & Publications
This report includes a characterization of wetland buffers and buffer protection in North Hampton and a community outreach newsletter that focuses on the protection of the North Hampton wetland buffers. Consultants from Vanasse Hangen Brustlin, Inc conducted field examinations of key North Hampton wetland buffer areas and issued a technical memorandium that characterize wetland buffer areas in the town and discusses of the value of these areas in terms of public interest and property values. Much of the information presented in the technical memo was communicated in an eight-page newsletter produced at Fosters Daily Democrate. Fosters produced 3,000 copies and …
Working Report On The Status Quo Of Nanomaterials Impact On Health And Environment, Harald Krug, Margarita Apostolova, Marite Arija Bake, Gordon Chambers, Horia Chiriac, Eva Herzog, Victoria Hand, Jürgen Höck, Peter Hoet, Nicoleta Lupu, Declan Mccormack, Maja Remskar, George Robillard, Jamila Smisterova, Jan Stetkiewicz, Speranta Tanasescu, Aris Tsatsakis, David Vaughn, Peter Wick, Jörg Wörle-Knirsch
Working Report On The Status Quo Of Nanomaterials Impact On Health And Environment, Harald Krug, Margarita Apostolova, Marite Arija Bake, Gordon Chambers, Horia Chiriac, Eva Herzog, Victoria Hand, Jürgen Höck, Peter Hoet, Nicoleta Lupu, Declan Mccormack, Maja Remskar, George Robillard, Jamila Smisterova, Jan Stetkiewicz, Speranta Tanasescu, Aris Tsatsakis, David Vaughn, Peter Wick, Jörg Wörle-Knirsch
Articles
Nanotechnology is regarded as one of the key technologies of the future and associated with high expectations by politics, science and economy. Artificially produced nanosized particles and nanoscale system components have new properties which are of importance for the development of new products and applications. Such new properties of materials and substances result from the special properties of surfaces and interfaces and in part, from the geometric shape of the material. In theory nanoparticles (NPs) can be produced from nearly any chemical; however, most NPs that are currently in use today have been made from transition metals, silicon, carbon (single-walled …
Central Florida Future, Vol. 40 No. 54, June 9, 2008
Central Florida Future, Vol. 40 No. 54, June 9, 2008
Central Florida Future
Cars burglarized in garages G, H; Dragon around; Diverse culture rises on campus; Landing resident released from jail; Group hopes to rock politics.
June 9, 2008 Reporter, University Of Alabama At Birmingham
June 9, 2008 Reporter, University Of Alabama At Birmingham
eReporter (campus newsletter)
No abstract provided.
The Relationship Between Individual Differences In Cognitive, Social And Personality Development And The Increase In Complexity Of Children’S Alcohol Expectancies, Nicole M. Bekman
The Relationship Between Individual Differences In Cognitive, Social And Personality Development And The Increase In Complexity Of Children’S Alcohol Expectancies, Nicole M. Bekman
USF Tampa Graduate Theses and Dissertations
The current study aimed to simultaneously examine cognitive, social and personality development in a cross-sectional sample of 3rd, 4th and 5th grade children to explore the interplay among these processes and how they relate to changes in children's understanding of alcohol. To replicate previous work, this study comprehensively examined relative increases in types of expectancies as a function of development. Results demonstrated that children in higher grades held more positive, negative and sedating expectancies of alcohol and positive alcohol expectancies increased more than negative alcohol expectancies. Improved performance on cognitive measures were associated with positive alcohol …
Fluorescence Tomography Characterization For Sub-Surface Imaging With Protoporphyrin Ix, Dax Kepshire, Scott C. Davis, Hamid Dehghani, Keith D. Paulsen, Brian W. Pogue
Fluorescence Tomography Characterization For Sub-Surface Imaging With Protoporphyrin Ix, Dax Kepshire, Scott C. Davis, Hamid Dehghani, Keith D. Paulsen, Brian W. Pogue
Dartmouth Scholarship
Optical imaging of fluorescent objects embedded in a tissue simulating medium was characterized using non-contact based approaches to fluorescence remittance imaging (FRI) and sub-surface fluorescence diffuse optical tomography (FDOT). Using Protoporphyrin IX as a fluorescent agent, experiments were performed on tissue phantoms comprised of typical in-vivo tumor to normal tissue contrast ratios, ranging from 3.5:1 up to 10:1. It was found that tomographic imaging was able to recover interior inclusions with high contrast relative to the background; however, simple planar fluorescence imaging provided a superior contrast to noise ratio. Overall, FRI performed optimally when the object was located on or …
Is That All There Is? "The Problem" In Court-Oriented Mediation, Leonard L. Riskin, Nancy A. Welsh
Is That All There Is? "The Problem" In Court-Oriented Mediation, Leonard L. Riskin, Nancy A. Welsh
Faculty Scholarship
The alternative process of mediation is now well-institutionalized and widely (though not universally) perceived to save time and money and satisfy lawyers and parties. However, the process has failed to meet important aspirations of its early proponents and certain expectations and needs of one-shot players. In particular, court-oriented mediation now reflects the dominance and preferences of lawyers and insurance claims adjusters. These repeat players understand the problem to be addressed in personal injury, employment, contract, medical malpractice and other ordinary civil non-family disputes as a matter of merits assessment and litigation risk analysis. Mediation is structured so that litigation issues …
Remarks, Delivered At The Memorial Service For Arnold Ott On June 7, 2008, Arend D. Lubbers
Remarks, Delivered At The Memorial Service For Arnold Ott On June 7, 2008, Arend D. Lubbers
Presidential Speeches
Remarks, delivered at the Memorial Service for Arnold Ott on June 7, 2008 by Arend D. Lubbers, who served as President of Grand Valley from 1969-2001.
Well-Characterized Adenoviral Vector-Based Vaccines: Are We There Yet?, Katey Einterz Owen
Well-Characterized Adenoviral Vector-Based Vaccines: Are We There Yet?, Katey Einterz Owen
Vaccine Technology II
No abstract provided.
Quality Issues: The Good-Enough Vaccine, Philip Minor
Quality Issues: The Good-Enough Vaccine, Philip Minor
Vaccine Technology II
No abstract provided.
Development Of Validated Assays For Measuring The Human Antibody Response To Polysaccharide Conjugate Vaccines, Helena Käyhty
Development Of Validated Assays For Measuring The Human Antibody Response To Polysaccharide Conjugate Vaccines, Helena Käyhty
Vaccine Technology II
No abstract provided.
Cal Poly Announces Great Grads From Class Of 2008, Public Affairs Office
Cal Poly Announces Great Grads From Class Of 2008, Public Affairs Office
Press Releases
No abstract provided.
Development Of Vaxfectin®-Adjuvanted Dna Vaccines, Alain Rolland
Development Of Vaxfectin®-Adjuvanted Dna Vaccines, Alain Rolland
Vaccine Technology II
No abstract provided.
Vaccine Technology Ii: Conference Program, Barry C. Buckland, John G. Auniņš, Paula Marques Alves, Kathrin U. Jansen
Vaccine Technology Ii: Conference Program, Barry C. Buckland, John G. Auniņš, Paula Marques Alves, Kathrin U. Jansen
Vaccine Technology II
No abstract provided.
Focus On Aggregation: Causes, Impact & Characterization, John Philo
Focus On Aggregation: Causes, Impact & Characterization, John Philo
Vaccine Technology II
No abstract provided.
Emerging Diseases, Zoonoses And Vaccines To Control Them, Paul-Pierre Pastoret
Emerging Diseases, Zoonoses And Vaccines To Control Them, Paul-Pierre Pastoret
Vaccine Technology II
No abstract provided.