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2012

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Articles 18691 - 18720 of 23303

Full-Text Articles in Social and Behavioral Sciences

Doing Participatory Action Research And Doing A Phd: Words Of Encouragement For Prospective Students, Natascha Klocker Jan 2012

Doing Participatory Action Research And Doing A Phd: Words Of Encouragement For Prospective Students, Natascha Klocker

Faculty of Science - Papers (Archive)

No abstract provided.

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Architecture And Conservation Of The Bacterial Dna Replication Machinery, An Underexploited Drug Target, Andrew Robinson, Rebecca J. Causer, Nicholas E. Dixon Jan 2012

Architecture And Conservation Of The Bacterial Dna Replication Machinery, An Underexploited Drug Target, Andrew Robinson, Rebecca J. Causer, Nicholas E. Dixon

Faculty of Science - Papers (Archive)

"New antibiotics with novel modes of action are required to combat the growing threat posed by multi-drug resistant bacteria. Over the last decade, genome sequencing and other high-throughput techniques have provided tremendous insight into the molecular processes underlying cellular functions in a wide range of bacterial species. We can now use these data to assess the degree of conservation of certain aspects of bacterial physiology, to help choose the best cellular targets for development of new broad-spectrum antibacterials. DNA replication is a conserved and essential process, and the large number of proteins that interact to replicate DNA in bacteria are …

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The Extracellular Chaperone Clusterin Sequesters Oligomeric Forms Of The Amyloid-Beta 1-40 Peptide, Priyanka Narayan, Angel Orte, Richard W. Clarke, Benedetta Bolognesi, Sharon Hook, Kristina A. Ganzinger, Sarah Meehan, Mark R. Wilson, Christopher M. Dobson, David Klenerman Jan 2012

The Extracellular Chaperone Clusterin Sequesters Oligomeric Forms Of The Amyloid-Beta 1-40 Peptide, Priyanka Narayan, Angel Orte, Richard W. Clarke, Benedetta Bolognesi, Sharon Hook, Kristina A. Ganzinger, Sarah Meehan, Mark R. Wilson, Christopher M. Dobson, David Klenerman

Faculty of Science - Papers (Archive)

In recent genome-wide association studies, the extracellular chaperone protein, clusterin, has been identified as a newly-discovered risk factor in Alzheimer's disease. We have examined the interactions between human clusterin and the Alzheimer's disease-associated amyloid-β 1-40 peptide (Aβ 1-40), which is prone to aggregate into an ensemble of oligomeric intermediates implicated in both the proliferation of amyloid fibrils and in neuronal toxicity. Using highly sensitive single-molecule fluorescence methods, we have found that Aβ 1-40 forms a heterogeneous distribution of small oligomers (from dimers to 50-mers), all of which interact with clusterin to form long-lived, stable complexes. Consequently, clusterin is able …

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Investigating Arsenic Speciation And Mobilization In Sediments With Dgt And Det: A Mesocosm Evaluation Of Oxic-Anoxic Transitions, William W. Bennett, Peter R. Teasdale, Jarad G. Panther, David T. Welsh, Huijun Zhao, Dianne F. Jolley Jan 2012

Investigating Arsenic Speciation And Mobilization In Sediments With Dgt And Det: A Mesocosm Evaluation Of Oxic-Anoxic Transitions, William W. Bennett, Peter R. Teasdale, Jarad G. Panther, David T. Welsh, Huijun Zhao, Dianne F. Jolley

Faculty of Science - Papers (Archive)

Mobilization of arsenic from freshwater and estuarine sediments during the transition from oxic to anoxic conditions was investigated using recently developed diffusive sampling techniques. Arsenic speciation and Fe(II) concentrations were measured at high resolution (1−3 mm) with in situ diffusive gradients in thin films (DGT) and diffusive equilibration in thin films (DET) techniques. Water column anoxia induced Fe(II) and As(III) fluxes from the sediment. A correlation between water column Fe(II) and As(III) concentrations was observed in both freshwater (rs = 0.896, p < 0.001) and estuarine (rs = 0.557, p < 0.001) mesocosms. Porewater sampling by DGT and DET techniques confirmed that arsenic mobilization was associated with the reductive dissolution of Fe(III) (hydr)oxides in the suboxic zone of the sediment; a relationship that was visible because of the ability to measure the coincident profiles of these species using combined DGT and DET samplers. The selective measurement of As(III) and total inorganic arsenic by separate DGT samplers indicated that As(III) was the primary species mobilized from the solid phase to the porewater. This measurement approach effectively ruled out substantial As(V) mobilization from the freshwater and estuarine sediments in this experiment. This study demonstrates the capabilities of the DGT and DET techniques for investigating arsenic speciation and mobilization over a range of sediment conditions.

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Roles Of Extracellular Chaperones In Amyloidosis, Amy R. Wyatt, Justin J. Yerbury, Rebecca A. Dabbs, Mark R. Wilson Jan 2012

Roles Of Extracellular Chaperones In Amyloidosis, Amy R. Wyatt, Justin J. Yerbury, Rebecca A. Dabbs, Mark R. Wilson

Faculty of Science - Papers (Archive)

Extracellular protein misfolding and aggregation underlie many of the most serious amyloidoses including Alzheimer's disease, spongiform encephalopathies and type II diabetes. Despite this, protein homeostasis (proteostasis) research has largely focussed on characterising systems that function to monitor protein conformation and concentration within cells. We are now starting to identify elements of corresponding systems, including an expanding family of secreted chaperones, which exist in the extracellular space. Like their intracellular counterparts, extracellular chaperones are likely to play a central role in systems that maintain proteostasis; however, the precise details of how they participate are only just emerging. It is proposed that …

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Response Of Stemona Alkaloid Production In Stemona Sp. To Chitosan And Yeast Extract Elicitors, Natthiya Chaichana, Srisulak Dheeranupattana, Araya Jatisatienr, Sunanta Wangkarn, Stephen G. Pyne, Pitchaya Mungkornnasawakul, Padchanee Sangthong, Thanapat Sastraruji Jan 2012

Response Of Stemona Alkaloid Production In Stemona Sp. To Chitosan And Yeast Extract Elicitors, Natthiya Chaichana, Srisulak Dheeranupattana, Araya Jatisatienr, Sunanta Wangkarn, Stephen G. Pyne, Pitchaya Mungkornnasawakul, Padchanee Sangthong, Thanapat Sastraruji

Faculty of Science, Medicine and Health - Papers: part A

The experiments were purposed to investigate the effect of chitosan and yeast extract on Stemona alkaloid production in Stemona sp. culture. Both elicitors enhanced Stemona alkaloid production over the control. Treatment with chitosan at a concentration of 25 mg/L for 1 week resulted in the highest production of Stemona alkaloids. It was found that 1', 2'-didehydrostemofoline and stemofoline production was 2.65 fold and 2.95 fold higher than the control, respectively.

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The Coping Process Of Patients With Cancer, Pei Ying Chen, Hui Chen Chang Jan 2012

The Coping Process Of Patients With Cancer, Pei Ying Chen, Hui Chen Chang

Faculty of Science, Medicine and Health - Papers: part A

Purpose The aim of this study was to investigate the implications of the alterations to lifestyle of cancer patients, from the onset of abnormal symptoms, followed by diagnosis and treatment, and then subsequent acceptance of the condition. Seven cancer patients from medical centers in Taiwan participated in the study. Method Exploratory, qualitative study based on grounded theory methods. Each participated in a semi-structured interview with open-ended questions. All interviews were audio recorded and transcribed. Qualitative content analysis was used for the data. Results Three themes emerged from the data analysis to exhibit the critical coping processes of the cancer patients. …

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Action Research: Working With Transformational Intent, Brendan Mccormack, Jan Dewing Jan 2012

Action Research: Working With Transformational Intent, Brendan Mccormack, Jan Dewing

Faculty of Science, Medicine and Health - Papers: part A

In this paper we present the history and background of action research. We identify the way in which action research has evolved over time, reflecting paradigmatic shifts towards contemporary philosophies of emancipation and transformation. Because of the way in which the paradigms underpinning action research have evolved, the methodology has also developed, with an increasing emphasis on maximising the potential for collaboration and participation. We will argue that the most recent representation of action research as 'transformational research' has pushed the boundaries of research even further and has challenged dominant thinking about the way research is conducted. A case study …

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Relation Of Chlorophyll Fluorescence Sensitive Reflectance Ratios To Carbon Flux Measurements Of Montanne Grassland And Norway Spruce Forest Ecosystems In The Temperate Zone, Alexander Ac, Zbynek Malenovsky, Otmar Urban, Jan Hanus, Martina Zitova, Martin Navratil, Martina Vrablova, Julie Olejnickova, Vladimir Spunda, Michal Marek Jan 2012

Relation Of Chlorophyll Fluorescence Sensitive Reflectance Ratios To Carbon Flux Measurements Of Montanne Grassland And Norway Spruce Forest Ecosystems In The Temperate Zone, Alexander Ac, Zbynek Malenovsky, Otmar Urban, Jan Hanus, Martina Zitova, Martin Navratil, Martina Vrablova, Julie Olejnickova, Vladimir Spunda, Michal Marek

Faculty of Science, Medicine and Health - Papers: part A

We explored ability of reflectance vegetation indexes (VIs) related to chlorophyll fluorescence emission (R686/R630, R 740/R800) and de-epoxidation state of xanthophyll cycle pigments (PRI, calculated as (R531 - R570) (R 531 - R570)) to track changes in the CO2 assimilation rate and Light Use Efficiency (LUE) in montane grassland and Norway spruce forest ecosystems, both at leaf and also canopy level. VIs were measured at two research plots using a ground-based high spatial/spectral resolution imaging spectroscopy technique. No significant relationship between VIs and leaf light-saturated CO2 assimilation (AMAX) was detected in instantaneous measurements of grassland under steady-state irradiance conditions. Once …

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Coordinators Leading The Advancement Of Sessional Staff: A Class Act, Geraldine Lefoe, Dominique R. Parrish, Jo Mckenzie, Janne Malfroy, Yoni Ryan Jan 2012

Coordinators Leading The Advancement Of Sessional Staff: A Class Act, Geraldine Lefoe, Dominique R. Parrish, Jo Mckenzie, Janne Malfroy, Yoni Ryan

Faculty of Science, Medicine and Health - Papers: part A

A presentation.

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Can Exercise Ameliorate Treatment Toxicity During The Initial Phase Of Testosterone Deprivation In Prostate Cancer Patients? Is This More Effective Than Delayed Rehabilitation?, Robert U. Newton, Dennis R. Taaffe, Nigel Spry, Prue Cormie, Suzanne K. Chambers, Robert A. Gardiner, David Hk Shum, Daniel A. Galvao Jan 2012

Can Exercise Ameliorate Treatment Toxicity During The Initial Phase Of Testosterone Deprivation In Prostate Cancer Patients? Is This More Effective Than Delayed Rehabilitation?, Robert U. Newton, Dennis R. Taaffe, Nigel Spry, Prue Cormie, Suzanne K. Chambers, Robert A. Gardiner, David Hk Shum, Daniel A. Galvao

Faculty of Science, Medicine and Health - Papers: part A

Background There has been substantial increase in use of androgen deprivation therapy as adjuvant management of prostate cancer. However, this leads to a range of musculoskeletal toxicities including reduced bone mass and increased skeletal fractures compounded with rapid metabolic alterations, including increased body fat, reduced lean mass, insulin resistance and negative lipoprotein profile, increased incidence of cardiovascular and metabolic morbidity, greater distress and reduced quality of life. Numerous research studies have demonstrated certain exercise prescriptions to be effective at preventing or even reversing these treatment toxicities. However, all interventions to date have been of rehabilitative intent being implemented after a …

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De Combe Grenal À Pech De L'Azé Iv: L'Évolution Des Méthodes De Fouilles De François Bordes, Shannon P. Mcpherron, Harold L. Dibble, Paul Goldberg, Michel Lenoir, Dennis Sandgathe, Alain Turq Jan 2012

De Combe Grenal À Pech De L'Azé Iv: L'Évolution Des Méthodes De Fouilles De François Bordes, Shannon P. Mcpherron, Harold L. Dibble, Paul Goldberg, Michel Lenoir, Dennis Sandgathe, Alain Turq

Faculty of Science, Medicine and Health - Papers: part A

François Bordes excavated the site of Combe Grenal from 1953 to 1965. It was his first major excavation project in southwest France, and he applied a number of new methodologies the most important of which was three-dimensional positioning of artifaas. Bordes' last major excavation project in southwest France was the site of Pech de I'Aze IV. This excavation lasted from 1970 to 1977. We have digitized the square notebooks from both of these excavations and analyzed portions of the material from both sites. With this information we can see the evolution of Bordes' excavation techniques over the decades and make …

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Reprise Des Fouilles Dans La Partie Ouest Du Gisement De La Ferrassie, Savignac-De-Miremont, Dordogne: Problématique Et Premiers Résultats, Alain Turq, Harold L. Dibble, Paul Goldberg, Shannon P. Mcpherron, Dennis Sandgathe, Norbert Mercier, Laurent Bruxelles, Diane Laville, Stephane Madelaine Jan 2012

Reprise Des Fouilles Dans La Partie Ouest Du Gisement De La Ferrassie, Savignac-De-Miremont, Dordogne: Problématique Et Premiers Résultats, Alain Turq, Harold L. Dibble, Paul Goldberg, Shannon P. Mcpherron, Dennis Sandgathe, Norbert Mercier, Laurent Bruxelles, Diane Laville, Stephane Madelaine

Faculty of Science, Medicine and Health - Papers: part A

C’est suite à la lecture du master de D. Laville (2007) consacré au site sépulcral moustérien de La Ferrassie et à l’exposition « Première humanité : gestes funéraires des néandertaliens » (Vandermeersch et al. 2008) qu’a été engagée une réflexion préalable à une éventuelle reprise des fouilles dans ce site classique. Si la partie supérieure du gisement (renfermant des occupations castelperroniennes, aurignaciennes et gravettiennes) a fait l’objet dans le secteur est, de fouilles récentes, de datations (Delporte 1984) et d’approches sédimentologiques (Texier 2009 ; Bertran et al. 2008), la base de la séquence (contenant les occupations moustériennes) n’a pas été …

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The Collision Of India With Asia, Lloyd T. White, Gordon S. Lister Jan 2012

The Collision Of India With Asia, Lloyd T. White, Gordon S. Lister

Faculty of Science, Medicine and Health - Papers: part A

We review the relative motion of India and Asia for the last 100 million years and present a revised reconstruction for the India-Antarctica-Africa-North America-Eurasia plate circuit based on published motion histories. Deformation of these continental masses during this time introduces uncertainties, as does error in oceanic isochron age and location. Neglecting these factors, the data ipso facto allow the inference that the motion of India relative to Eurasia was distinctly episodic. Although motion is likely to have varied more smoothly than these results would allow, the geological record also suggests a sequence of distinct episodes, at about the same times. …

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A Deep Subaqueous Fan Depositional Model For The Paleoarchaean (3.46 Ga) Marble Bar Cherts, Warrawoona Group, Western Australia, Nicolas Olivier, Gilles Dromart, Nicolas Coltice, Nicolas Flament, Patrice F. Rey, Remi Sauvestre Jan 2012

A Deep Subaqueous Fan Depositional Model For The Paleoarchaean (3.46 Ga) Marble Bar Cherts, Warrawoona Group, Western Australia, Nicolas Olivier, Gilles Dromart, Nicolas Coltice, Nicolas Flament, Patrice F. Rey, Remi Sauvestre

Faculty of Science, Medicine and Health - Papers: part A

The 3.46 Ga Marble Bar Chert Member of the East Pilbara Craton, Western Australia, is one of the earliest and best-preserved sedimentary successions on Earth. Here, we interpret the finely laminated thin-bedded cherts, mixed conglomeratic beds, chert breccia beds and chert folded beds of the Marble Bar Chert Member as the product of low-density turbidity currents, high-density turbidity currents, mass transport complexes and slumps, respectively. Integrated into a channel-levee depositional model, the Marble Bar Chert Member constitutes the oldest documented deep-sea fan on Earth, with thin-bedded cherts, breccia beds and slumps composing the outer levee facies tracts, and scours and …

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Subduction History Of The Melanesian Borderlands Region, Sw Pacific, Maria Seton, Nicolas Flament, R. Dietmar Muller Jan 2012

Subduction History Of The Melanesian Borderlands Region, Sw Pacific, Maria Seton, Nicolas Flament, R. Dietmar Muller

Faculty of Science, Medicine and Health - Papers: part A

The easternmost Coral Sea region is an underexplored area at the northeasternmost corner of the Australian plate. Situated between the Mellish Rise, southern Solomon Islands, northern Vanuatu and New Caledonia, it represents one of the most dynamic and tectonically complex submarine regions of the world. Interactions between the Pacific and Australian plate boundaries have resulted in an intricate assemblage of deep oceanic basins and ridges, continental fragments and volcanic products; yet there is currently no clear conceptual framework to describe their formation. Due to the paucity of geological and geophysical data from the area to constrain plate tectonic models, a …

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Supporting Treatment Decision Making To Optimise The Prevention Of Stroke In Atrial Fibrillation: The Stop Stroke In Af Study. Protocol For A Cluster Randomised Controlled Trial, Melina Gattellari, John M. Worthington, Dominic Y. Leung, Nicholas Arnold Zwar Jan 2012

Supporting Treatment Decision Making To Optimise The Prevention Of Stroke In Atrial Fibrillation: The Stop Stroke In Af Study. Protocol For A Cluster Randomised Controlled Trial, Melina Gattellari, John M. Worthington, Dominic Y. Leung, Nicholas Arnold Zwar

Faculty of Science, Medicine and Health - Papers: part A

Background: Suboptimal uptake of anticoagulation for stroke prevention in atrial fibrillation has persisted for over 20 years, despite high-level evidence demonstrating its effectiveness in reducing the risk of fatal and disabling stroke.Methods: The STOP STROKE in AF study is a national, cluster randomised controlled trial designed to improve the uptake of anticoagulation in primary care. General practitioners from around Australia enrolling in this 'distance education' program are mailed written educational materials, followed by an academic detailing session delivered via telephone by a medical peer, during which participants discuss patient de-identified cases. General practitioners are then randomised to receive written specialist …

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Access To Same Day, Next Day And After-Hours Appointments: The Views Of Australian General Practitioners, Mark Fort Harris, Patrick Davies, Mahnaz Fanaian, Nicholas Zwar, Siaw-Teng Liaw Jan 2012

Access To Same Day, Next Day And After-Hours Appointments: The Views Of Australian General Practitioners, Mark Fort Harris, Patrick Davies, Mahnaz Fanaian, Nicholas Zwar, Siaw-Teng Liaw

Faculty of Science, Medicine and Health - Papers: part A

Objective. To evaluate factors associated with the availability of same or next day appointments and after-hours access reported by Australian general practitioners (GPs). Methods. Secondary analysis of a survey of primary care practitioners conducted by the Commonwealth Fund in 2009 in 11 countries. Analysis of factors likely to be associated with reported availability of same or next day appointments and after-hours access. Findings. Of 1016 Australian GPs, 78.8% reported that most patients in their practice had access to an appointment on the same or next day and 50% that their practice had arrangements for after-hours access. Access to same or …

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A Pragmatic Cluster Randomized Controlled Trial Of Early Intervention For Chronic Obstructive Pulmonary Disease By Practice Nurse-General Practitioner Teams: Study Protocol, Jeremy M. Bunker, Helen K. Reddel, Sarah May Dennis, Sandy Middleton, C Van Schayck, Alan J. Crockett, Iqbal Hasan, Oshana Hermiz, Sanjyot Vagholkar, Guy B. Marks, Nicholas Zwar Jan 2012

A Pragmatic Cluster Randomized Controlled Trial Of Early Intervention For Chronic Obstructive Pulmonary Disease By Practice Nurse-General Practitioner Teams: Study Protocol, Jeremy M. Bunker, Helen K. Reddel, Sarah May Dennis, Sandy Middleton, C Van Schayck, Alan J. Crockett, Iqbal Hasan, Oshana Hermiz, Sanjyot Vagholkar, Guy B. Marks, Nicholas Zwar

Faculty of Science, Medicine and Health - Papers: part A

Background: Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of disability, hospitalization, and premature mortality. General practice is well placed to diagnose and manage COPD, but there is a significant gap between evidence and current practice, with a low level of awareness and implementation of clinical practice guidelines. Under-diagnosis of COPD is a world-wide problem, limiting the benefit that could potentially be achieved through early intervention strategies such as smoking cessation, dietary advice, and exercise. General practice is moving towards more structured chronic disease management, and the increasing involvement of practice nurses in delivering chronic care.Design: A pragmatic cluster …

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The Treatment Of Cardiovascular Risk In Primary Care Using Electronic Decision Support (Torpedo) Study: Intervention Development And Protocol For A Cluster Randomised, Controlled Trial Of An Electronic Decision Support And Quality Improvement Intervention In Australian Primary Healthcare, David Peiris, Tim Usherwood, Kathryn S. Panaretto, Mark Fort Harris, Jenny Hunt, Bindu Patel, Nicholas Zwar, Julie Redfern, Stephen Macmahon, Stephen Colagiuri, Noel Hayman, Anushka Patel Jan 2012

The Treatment Of Cardiovascular Risk In Primary Care Using Electronic Decision Support (Torpedo) Study: Intervention Development And Protocol For A Cluster Randomised, Controlled Trial Of An Electronic Decision Support And Quality Improvement Intervention In Australian Primary Healthcare, David Peiris, Tim Usherwood, Kathryn S. Panaretto, Mark Fort Harris, Jenny Hunt, Bindu Patel, Nicholas Zwar, Julie Redfern, Stephen Macmahon, Stephen Colagiuri, Noel Hayman, Anushka Patel

Faculty of Science, Medicine and Health - Papers: part A

Background: Large gaps exist in the implementation of guideline recommendations for cardiovascular disease (CVD) risk management. Electronic decision support (EDS) systems are promising interventions to close these gaps but few have undergone clinical trial evaluation in Australia. We have developed HealthTracker, a multifaceted EDS and quality improvement intervention to improve the management of CVD risk. Methods/design: It is hypothesised that the use of HealthTracker over a 12-month period will result in: (1) an increased proportion of patients receiving guideline-indicated measurements of CVD risk factors and (2) an increased proportion of patients at high risk will receive guideline-indicated prescriptions for lowering …

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Care Of Patients With A Diagnosis Of Chronic Obstructive Pulmonary Disease: A Cluster Randomised Controlled Trial, Nicholas Zwar, Oshana Hermiz, Elizabeth J. Comino, Sandy Middleton, Sanjyot Vagholkar, Wei Xuan, Stephen F. Wilson, Guy B. Marks Jan 2012

Care Of Patients With A Diagnosis Of Chronic Obstructive Pulmonary Disease: A Cluster Randomised Controlled Trial, Nicholas Zwar, Oshana Hermiz, Elizabeth J. Comino, Sandy Middleton, Sanjyot Vagholkar, Wei Xuan, Stephen F. Wilson, Guy B. Marks

Faculty of Science, Medicine and Health - Papers: part A

Objective: To evaluate a partnership model of care for patients with a diagnosis of chronic obstructive pulmonary disease (COPD). Design, setting and participants: Cluster randomised controlled trial with blinded outcome assessment of 44 general practices in south-western Sydney comprising 451 people with a diagnosis of COPD, conducted between 2006 and 2009. Intervention: Participants from intervention group practices were visited at their home by a registered nurse with specific training in COPD care who worked with the general practitioner, the patient and other health professionals to develop and implement an individualised care plan based on best-practice guidelines. Participants from control group …

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Which Providers Can Bridge The Health Literacy Gap In Lifestyle Risk Factor Modification Education: A Systematic Review And Narrative Synthesis, Sarah May Dennis, Anna Williams, Jane R. Taggart, Anthony Newall, Elizabeth Denney-Wilson, Nicholas Zwar, Tim Shortus, Mark Fort Harris Jan 2012

Which Providers Can Bridge The Health Literacy Gap In Lifestyle Risk Factor Modification Education: A Systematic Review And Narrative Synthesis, Sarah May Dennis, Anna Williams, Jane R. Taggart, Anthony Newall, Elizabeth Denney-Wilson, Nicholas Zwar, Tim Shortus, Mark Fort Harris

Faculty of Science, Medicine and Health - Papers: part A

Background: People with low health literacy may not have the capacity to self-manage their health and prevent the development of chronic disease through lifestyle risk factor modification. The aim of this narrative synthesis is to determine the effectiveness of primary healthcare providers in developing health literacy of patients to make SNAPW (smoking, nutrition, alcohol, physical activity and weight) lifestyle changes. Methods. Studies were identified by searching Medline, Embase, Cochrane Library, CINAHL, Joanna Briggs Institute, Psychinfo, Web of Science, Scopus, APAIS, Australian Medical Index, Community of Science and Google Scholar from 1 January 1985 to 30 April 2009. Health literacy and …

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Gorham's Cave Sediment Micromorphology, Paul Goldberg, Richard I. M Macphail Jan 2012

Gorham's Cave Sediment Micromorphology, Paul Goldberg, Richard I. M Macphail

Faculty of Science, Medicine and Health - Papers: part A

[extract] Introduction Fieldwork, sampling and sediment micromorphology together with X-Ray EDAX and bulk sample analyses were carried out at Gorham's Cave.

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Vanguard Cave Sediments And Soil Micromorphology, Richard I. M Macphail, Paul Goldberg, R N. E Barton Jan 2012

Vanguard Cave Sediments And Soil Micromorphology, Richard I. M Macphail, Paul Goldberg, R N. E Barton

Faculty of Science, Medicine and Health - Papers: part A

[extract] Introduction Vanguard Cave contains a sequence of over 17 m of deposits, generally made up of massive, coarse to medium sands interfingered with tabular to lenticular units of silts and silty sands (Fig 13.1).

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Soil Micromorphology Of Gibraltar Caves Coprolites, Richard I. M Macphail, Paul Goldberg Jan 2012

Soil Micromorphology Of Gibraltar Caves Coprolites, Richard I. M Macphail, Paul Goldberg

Faculty of Science, Medicine and Health - Papers: part A

[extract] Introduction Several coprolites (fossil faeces) were collected from the Middle Palaeolithic levels in Gorham's and Vanguard Caves during the 1995-1998 excavations (Finlayson and Finlayson 2000; Stringer et al. 2000).

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Fine-Resolution (25 M) Topoclimatic Grids Of Near-Surface (5 Cm) Extreme Temperatures And Humidities Across Various Habitats In A Large (200 X 300 Km) And Diverse Region, Michael B. Ashcroft, John R. Gollan Jan 2012

Fine-Resolution (25 M) Topoclimatic Grids Of Near-Surface (5 Cm) Extreme Temperatures And Humidities Across Various Habitats In A Large (200 X 300 Km) And Diverse Region, Michael B. Ashcroft, John R. Gollan

Faculty of Science, Medicine and Health - Papers: part A

The development of fine-resolution climate grids is an important priority in explaining species' distributions at the regional scale and predicting how species may respond to variable and changing climates. Recent studies have demonstrated advantages of producing these grids using large networks of inexpensive climate loggers, as the resulting grids can capture local climatic variations over a range of environments. In this study we extend these methods to develop innovative fine-resolution (25 m) climate grids for a large region (∼200 x 300 km) of New South Wales, Australia. The key aspects of these grids is that they: (1) are based on …

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A Novel Approach To Quantify And Locate Potential Microrefugia Using Topoclimate, Climate Stability, And Isolation From The Matrix, Michael B. Ashcroft, John R. Gollan, David I. Warton, Daniel Ramp Jan 2012

A Novel Approach To Quantify And Locate Potential Microrefugia Using Topoclimate, Climate Stability, And Isolation From The Matrix, Michael B. Ashcroft, John R. Gollan, David I. Warton, Daniel Ramp

Faculty of Science, Medicine and Health - Papers: part A

Ecologists are increasingly recognizing the conservation significance of microrefugia, but it is inherently difficult to locate these small patches with unusual climates, and hence they are also referred to as cryptic refugia. Here we introduce a new methodology to quantify and locate potential microrefugia using fine-scale topoclimatic grids that capture extreme conditions, stable climates, and distinct differences from the surrounding matrix. We collected hourly temperature data from 150 sites in a large (200 km by 300 km) and diverse region of New South Wales, Australia, for a total of 671 days over 2 years. Sites spanned a range of habitats …

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Combining Citizen Science, Bioclimatic Envelope Models And Observed Habitat Preferences To Determine The Distribution Of An Inconspicuous, Recently Detected Introduced Bee (Halictus Smaragdulus Vachal Hymenoptera: Halictidae) In Australia, Michael B. Ashcroft, John R. Gollan, Michael Batley Jan 2012

Combining Citizen Science, Bioclimatic Envelope Models And Observed Habitat Preferences To Determine The Distribution Of An Inconspicuous, Recently Detected Introduced Bee (Halictus Smaragdulus Vachal Hymenoptera: Halictidae) In Australia, Michael B. Ashcroft, John R. Gollan, Michael Batley

Faculty of Science, Medicine and Health - Papers: part A

Introduced bees may compete with native fauna, spread parasites or pathogens to commercial bee hives, or increase the fecundity of introduced weeds. Therefore, the recent detection of Halictus smaragdulus, native to the western Palaearctic, in the Hunter Valley region of New South Wales (NSW, Australia) is cause for concern. However, it is currently difficult to justify control measures, as there is little known on its ecology, impacts and distribution. Determining the current distribution is fundamental to managing introduced species, yet this is difficult with inconspicuous species such as H. smaragdulus, especially as recent introductions are often found in low densities. …

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Usewear And Phytoliths On Bedrock Grinding Patches, Pilbara, North-Western Australia, Richard Fullagar, Lynley A. Wallis Jan 2012

Usewear And Phytoliths On Bedrock Grinding Patches, Pilbara, North-Western Australia, Richard Fullagar, Lynley A. Wallis

Faculty of Science, Medicine and Health - Papers: part A

Bedrock grinding patches were recorded in the Fortescue Metals Group Ltd (FMG) Rail Corridor within the Wooodstock/Abydos Aboriginal Heritage Area 130 km south of Port Hedland, Western Australia. WA State Ministerial conditions required the salvage of representative samples, residue analysis and other detailed microscopic study to investigate the technology and function of these grinding patches. Following a pilot study and experimental work, we undertook microscopic study of 159 samples - including PVS (PolyVinyl Siloxane™) peels and water extractions - from 81 grinding patches, collected at six sites. The worn stone surfaces are microscopically similar to traces found on experimental and …

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Land Management Practices Associated With House Loss In Wildfires, Philip Gibbons, Linda Van Bommel, A Malcolm Gill, Geoffrey J. Cary, Don A. Driscoll, Ross A. Bradstock, Emma Knight, Max A. Moritz, Scott L. Stephens, David B. Lindenmayer Jan 2012

Land Management Practices Associated With House Loss In Wildfires, Philip Gibbons, Linda Van Bommel, A Malcolm Gill, Geoffrey J. Cary, Don A. Driscoll, Ross A. Bradstock, Emma Knight, Max A. Moritz, Scott L. Stephens, David B. Lindenmayer

Faculty of Science - Papers (Archive)

Losses to life and property from unplanned fires (wildfires) are forecast to increase because of population growth in periurban areas and climate change. In response, there have been moves to increase fuel reduction—clearing, prescribed burning, biomass removal and grazing—to afford greater protection to peri-urban communities in fire-prone regions. But how effective are these measures? Severe wildfires in southern Australia in 2009 presented a rare opportunity to address this question empirically. We predicted that modifying several fuels could theoretically reduce house loss by 76%–97%, which would translate to considerably fewer wildfire-related deaths. However, maximum levels of fuel reduction are unlikely to …

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