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Articles 511 - 540 of 2981
Full-Text Articles in Entire DC Network
Aquatic Connectivity: Challenges And Solutions In A Changing Climate, Paul A. Franklin, Tea Bašić, Phil I. Davison, Katie Dunkley, Jonathan Ellis, Mayuresh Gangal, Alexia M. González-Ferreras, Catherine Gutmann Roberts, Georgina Hunt, Domino Joyce, C. Antonia Klöcker, Rachel Mawer, Timo Rittweg, Velizara Stoilova, Lee Frank Gordon Gutowsky
Aquatic Connectivity: Challenges And Solutions In A Changing Climate, Paul A. Franklin, Tea Bašić, Phil I. Davison, Katie Dunkley, Jonathan Ellis, Mayuresh Gangal, Alexia M. González-Ferreras, Catherine Gutmann Roberts, Georgina Hunt, Domino Joyce, C. Antonia Klöcker, Rachel Mawer, Timo Rittweg, Velizara Stoilova, Lee Frank Gordon Gutowsky
School of Geography, Earth and Environmental Sciences
The challenge of managing aquatic connectivity in a changing climate is exacerbated in the presence of additional anthropogenic stressors, social factors, and economic drivers. Here we discuss these issues in the context of structural and functional connectivity for aquatic biodiversity, specifically fish, in both the freshwater and marine realms. We posit that adaptive management strategies that consider shifting baselines and the socio-ecological implications of climate change will be required to achieve management objectives. The role of renewable energy expansion, particularly hydropower, is critically examined for its impact on connectivity. We advocate for strategic spatial planning that incorporates nature-positive solutions, ensuring …
Optimisation Of Classification Methods To Differentiate Morphologically-Similar Pollen Grains From Ft-Ir Spectra, Laura Scoble, Simon J. Ussher, Mark F. Fitzsimons, Lauren Ansell, Matthew Craven, Ralph M. Fyfe
Optimisation Of Classification Methods To Differentiate Morphologically-Similar Pollen Grains From Ft-Ir Spectra, Laura Scoble, Simon J. Ussher, Mark F. Fitzsimons, Lauren Ansell, Matthew Craven, Ralph M. Fyfe
School of Geography, Earth and Environmental Sciences
A growing body of research is demonstrating the potential of Fourier-Transform Infrared spectroscopy (FT-IR) to identify and differentiate morphologically similar pollen taxa. The Poaceae (grass) family is a large and complex with morphologically similar pollen grains. It is not possible to use traditional light microscopy to differentiate Poaceae species, or genus, based on pollen morphological characteristics. This research presents a study of five species from the Poaceae family found across a wide variety of different moorland vegetation communities, to test the extent to which FT-IR microspectroscopy can be used to separate and identify these species and develop statistical approaches for …
Brittle-Viscous Deformation Cycles At The Base Of The Seismogenic Zone In The Continental Crust, Francesca Prando
Brittle-Viscous Deformation Cycles At The Base Of The Seismogenic Zone In The Continental Crust, Francesca Prando
School of Geography, Earth and Environmental Sciences Theses
The main goal of the study was to determine the dynamical cycle of ductile-brittle deformation and to characterise the fluid pathways at different scales of a brittle-viscous fault zone active at the base of the seismogenic crust. Object of analysis are samples from the sinistral strike-slip fault zone BFZ045 from Olkiluoto (SW Finland), located at the site of a deep geological repository for nuclear waste. Combined microstructural analysis, electron backscatter diffraction (EBSD), and mineral chemistry were applied to reconstruct the variations in pressure, temperature, fluid pressure, and differential stress that mediated deformation and strain localization along BFZ045 across the BDTZ. …
Sofa-Surfing: The Cartographies Of Young People Utilising Host-Dependent Shelter., Kieran Green
Sofa-Surfing: The Cartographies Of Young People Utilising Host-Dependent Shelter., Kieran Green
School of Geography, Earth and Environmental Sciences Theses
In 2016, 35% of UK young people (16-25 years) reported having sofa-surfed in the past. Past research highlights that spaces where people sofa-surfing stay are often tenuous, short-lived and worsen over time, reducing mental health, educational attainment, and the ability to find work (McLoughlin, 2013; Albanese et al., 2018). However, a study has not elucidated how young people’s preferences, identities, experiences, and access to support create highly varied sofa-surfing geographies and outcomes. This study examined young people's different geographical experiences and outcomes of sofa-surfing. Specifically, I outline key sofa-surfing experiences centred on uses of space, mobility, and identity (cartographies) and …
The Reconstruction Of Climate In Beringia By Analysis Of Glycerol Dialkyl Glycerol Tetraether (Gdgt) Distributions Using High Performance Liquid Chromatography – Mass Spectrometry (Hplc-Ms)., Lauren Beth Pankhurst
The Reconstruction Of Climate In Beringia By Analysis Of Glycerol Dialkyl Glycerol Tetraether (Gdgt) Distributions Using High Performance Liquid Chromatography – Mass Spectrometry (Hplc-Ms)., Lauren Beth Pankhurst
School of Geography, Earth and Environmental Sciences Theses
The reconstruction of past environments, including temperatures, aids in the production of climate models which predict how the Earth will respond to future climatic changes that are occurring at an accelerated rate, due to global warming. High-latitude seas, including the Bering Sea, are sensitive to changes in global climate, across both glacial and interglacial timescales. Membrane lipids synthesised by archaea and bacteria are retained within the sediment and when extracted give evidence to the environmental conditions present during the organism’s lifetime. The membrane lipids are structured in a way that is chemically favourable to their environment, and calibrations derived in …
Using Remote Sensing To Track Complex Sinuous Ripple Migration On A Barchan Dune In Herschel Crater, Mars, Elizabeth Visick
Using Remote Sensing To Track Complex Sinuous Ripple Migration On A Barchan Dune In Herschel Crater, Mars, Elizabeth Visick
School of Geography, Earth and Environmental Sciences Theses
Dunes on Mars are known to migrate, in particular ripples have also been found to migrate. This is known to have occurred in eastern, western and southern Herschel Crater, but it was not known if this was true for Central Herschel Crater. Central Herschel Crater is of particular interest as the dunes found there were deemed indurated. However, since the release of HiRISE (2023) satellite images it is clear that these dunes are in fact very much the opposite. These dunes were actively migrating and presented some unique superimposed ripples. With this, we set out to measure the migration of …
Resilience Thinking And The Influence Of Street-Level Bureaucrats On The Implementation Of Eu Environmental Policies In Overseas Territories: Lessons From Gibraltar., Jaime Sanchez-Garcia
Resilience Thinking And The Influence Of Street-Level Bureaucrats On The Implementation Of Eu Environmental Policies In Overseas Territories: Lessons From Gibraltar., Jaime Sanchez-Garcia
School of Geography, Earth and Environmental Sciences Theses
The policy implementation literature has provided important insights on how policy formulation processes affect the achievement of policy goals and how street-level bureaucrats (SLBs) involved in policy implementation utilise coping mechanisms to overcome shortages in resources, expertise and other local constraints. However, it has struggled to provide a systematic analysis of how contextual factors influence the work of SLBs or the implications of their coping mechanisms for the functioning of implementation systems, particularly in smaller countries and non-states territories, where mismatches between policy requirements and resources are more acute. This thesis addresses these knowledge gaps by examining the implementation of …
Andean Sediment Response To Natural And Anthropogenic Changes At The Catchment Scale, Jessica Kitch
Andean Sediment Response To Natural And Anthropogenic Changes At The Catchment Scale, Jessica Kitch
School of Geography, Earth and Environmental Sciences Theses
Changing climate and population growth poses a challenge for the water, food and energy security nexus, particularly in glacier-fed mountainous catchments. Soil erosion, driven by both natural and anthropogenic activities, further exacerbates the challenge for resource security. Soil erosion is contributing to increased levels of sediment in river systems threatening crucial river functions, including crop irrigation, drinking water, and hydroelectricity. Past studies in the Andes regarding soil erosion have indicated that human activities have accelerated soil erosion and rates often exceed natural soil production. To date, the majority of Andean studies have primarily focused on larger eastern catchments, with fewer …
Technology Impacts, Justice, Place, And Worldviews: An Integrated Framework For Understanding Perceptions Of And Attitudes Towards Shale-Gas Fracking In English Host Communities, Kechagia Magdalini
Technology Impacts, Justice, Place, And Worldviews: An Integrated Framework For Understanding Perceptions Of And Attitudes Towards Shale-Gas Fracking In English Host Communities, Kechagia Magdalini
School of Geography, Earth and Environmental Sciences Theses
Despite growing national opposition, local resistance, and moratoriums in Scotland and Wales, successive UK governments have supported the use of fracking to exploit oil and gas from shale formations in England in response to declining North Sea reserves and concerns about geopolitical instabilities affecting energy security. Although scholars have examined technological, justice, and socio-psychological drivers of social attitudes to fracking in order to challenge ‘Not-In-My-Back-Yard’ explanations of perceptions and attitudes, existing studies have rarely examined these factors in an integrated way. The aim of this research is to investigate whether and how an integrated approach, combining insights from the factors …
Mapping A Lived Experience In Landscape: An Artist’S Analysis Of Gps And Gis Data, Becalelis Brodskis
Mapping A Lived Experience In Landscape: An Artist’S Analysis Of Gps And Gis Data, Becalelis Brodskis
School of Art, Design and Architecture Theses
This thesis involves a critical analysis of data types and digital interfaces used in a socially engaged arts practice aligned with the concerns of participatory mapping. The research identifies a problem which occurs when the development and use of technologies begins to conflate data with its visual representation or, conversely, reduces the experience of reality to what can be documented. The thesis aligns with a concern that this impacts the perception of, and sensitivity to, available qualities or indeed possibilities of experience. Responding to this concern questions are raised relating to how and why qualities of objectivity or subjectivity are …
Before Sensing Becomes A Some-Thing: Writing With The Bodily Experience Of Liminality In Processes Of Social Organising, Juliana Schneider
Before Sensing Becomes A Some-Thing: Writing With The Bodily Experience Of Liminality In Processes Of Social Organising, Juliana Schneider
School of Art, Design and Architecture Theses
The research addresses organisational practitioners’ capacity for noticing and responding to fleeting, small gestures and indeterminate impressions that register as bodily sensations in the midst of dynamic circumstances. The thesis explores such experience as occurring in the realm of the liminal - liminality taken up as a quality of experience when vague perceptions are sensed and felt viscerally at the very edge of articulation.The research asks how this domain of experience, here discussed as liminal perceptive sensibility, may be brought further into articulation while retaining the quality of the experience. This involves experimenting with a combination of first person reflexive …
Utilising Plutonium Isotopes To Evaluate Soil Erosion In Tropical East African Agri-Systems, Sophia Marie Dowell
Utilising Plutonium Isotopes To Evaluate Soil Erosion In Tropical East African Agri-Systems, Sophia Marie Dowell
Other Faculty of Science and Engineering Theses
In the beautiful landscapes of Tropical East Africa, agriculture serves as the lifeblood of both people and ecosystems. The delicate balance between agriculture and soil preservation forms a complex web of factors that significantly impact soil and plant health in the region. The use of plutonium (Pu) isotopes is a potential strategy for unravelling the history of soil erosion in this ecologically varied and agriculturally crucial area. This thesis investigates a novel method using Pu isotopes to study small-scale soil redistribution patterns across various land use histories and management practices in the Rift Valley region of the Winam Gulf catchment …
Exposure To Air Pollution And Risk Of Respiratory Tract Infections In The Adult Danish Population—A Nationwide Study, Kathrine A. Kaspersen, Sussie Antonsen, Henriette T. Horsdal, Bertram Kjerulff, Jørgen Brandt, Camilla Geels, Jesper H. Christensen, Lise M. Frohn, Clive E. Sabel, Khoa M. Dinh, Ole Hertel, Torben Sigsgaard, Carsten B. Pedersen, Christian Erikstrup
Exposure To Air Pollution And Risk Of Respiratory Tract Infections In The Adult Danish Population—A Nationwide Study, Kathrine A. Kaspersen, Sussie Antonsen, Henriette T. Horsdal, Bertram Kjerulff, Jørgen Brandt, Camilla Geels, Jesper H. Christensen, Lise M. Frohn, Clive E. Sabel, Khoa M. Dinh, Ole Hertel, Torben Sigsgaard, Carsten B. Pedersen, Christian Erikstrup
School of Geography, Earth and Environmental Sciences
Objectives: The association between air pollution and risk of respiratory tract infection (RTI) in adults needs to be clarified in settings with low to moderate levels of air pollution. We investigated this in the Danish population between 2004 and 2016. Methods: We included 3 653 490 persons aged 18–64 years in a nested case-control study. Exposure was defined as the average daily concentration at the individual's residential address of CO, NOX, NO2, O3, SO2, NH3, PPM2.5, black carbon, organic carbon, mineral dust, sea salt, secondary inorganic aerosols, SO …
Nuanced Impacts And Social Perceptions Of Alpine Newts Ichthyosaura Alpestris In The Uk, Alexandra North
Nuanced Impacts And Social Perceptions Of Alpine Newts Ichthyosaura Alpestris In The Uk, Alexandra North
School of Biological and Marine Sciences Theses
Invasive species are major drivers of environmental change and their incidence appear to be growing worldwide. An understanding of the subtleties and complexities of invasion is important for conservation decision-making as not all introduced species become invasive, and the impacts of those that do can be highly context dependent. The alpine newt Ichthyosaura alpestris is a non-native species that is now widely distributed across the UK. An understanding of the drivers of introduction and spread of this species are in its infancy, and whilst anecdotal reports are indicative of negative ecological impacts, empirical evidence is lacking. This interdisciplinary thesis aims …
Impacts And Prospective Hazard Analysis Of Rainfall-Triggered Lahars On St. Vincent 2021–2022, Jeremy Phillips, Jenni Barclay, Paul Cole, Monique Johnson, Victoria Miller, Richard Robertson
Impacts And Prospective Hazard Analysis Of Rainfall-Triggered Lahars On St. Vincent 2021–2022, Jeremy Phillips, Jenni Barclay, Paul Cole, Monique Johnson, Victoria Miller, Richard Robertson
School of Geography, Earth and Environmental Sciences
Lahars are energetic flows of loosely consolidated volcanic debris and water, which have occurred frequently after rainfall events on St Vincent in the Eastern Caribbean since the April 2021 explosive phase of the 2020–21 eruption of La Soufrière volcano. Using scientific observations and information from social media, we have constructed a detailed timeline of the 25 lahar events that occurred during 2021, and summarized lahar impacts and losses. 20 mm daily rainfall on a river catchment is (and remains) sufficient to result in a lahar. We used this threshold, with field estimates of lahar volumes, to conduct both an island-wide …
High-Resolution Quantitative Vegetation Reconstruction In The North China Plain During The Early-To-Middle Holocene Using The Reveals Model, B Li, W Zhang, Ralph Fyfe, Baoshuo Fan, Sai Wang, Qinghai Xu, N Zhang, Guoqiang Ding, Jiaxing Yang, Y Li
High-Resolution Quantitative Vegetation Reconstruction In The North China Plain During The Early-To-Middle Holocene Using The Reveals Model, B Li, W Zhang, Ralph Fyfe, Baoshuo Fan, Sai Wang, Qinghai Xu, N Zhang, Guoqiang Ding, Jiaxing Yang, Y Li
School of Geography, Earth and Environmental Sciences
Understanding the process and pattern of vegetation succession during the early-to-middle Holocene can yield valuable information for better predicting future vegetation evolution. In this study, we investigated the humidity evolution pattern in the North China Plain (NCP) during the early-to-middle Holocene by employing principal component analysis on 93 fossil spectra. Furthermore, by integrating the Regional Estimates of Vegetation Abundance from Large Sites (REVEALS) model, we quantitatively reconstructed the process of vegetation succession and discussed vegetation response to climate change events. Our results indicate that the sample scores of the first principal component axis (PCA axis 1) exhibited a consistent negative …
The Impact Of Area-Level Socioeconomic Status In Childhood On Mental Health In Adolescence And Adulthood: A Prospective Birth Cohort Study In Aotearoa New Zealand, Bingyu Deng, Geraldine F.H. Mcleod, Joseph Boden, Clive E. Sabel, Malcolm Campbell, Phoebe Eggleton, Matthew Hobbs
The Impact Of Area-Level Socioeconomic Status In Childhood On Mental Health In Adolescence And Adulthood: A Prospective Birth Cohort Study In Aotearoa New Zealand, Bingyu Deng, Geraldine F.H. Mcleod, Joseph Boden, Clive E. Sabel, Malcolm Campbell, Phoebe Eggleton, Matthew Hobbs
School of Geography, Earth and Environmental Sciences
Mental health conditions pose a significant public health challenge, and low area-level socioeconomic status (SES) is a potentially important upstream determinant. Childhood exposure might have influences on later-life mental health. This study, utilises data from the Christchurch Health and Development Study birth cohort, examining the impact of area-level SES trajectories in childhood (from birth to age 16) on mental health at age 16 and from age 18–40 years. Findings revealed some associations between distinct SES trajectories and mental health. The study underscores the importance of using a spatial lifecourse epidemiology framework to understand long-term environmental impacts on later-life health.
Evaluating The Integration Of A Mathematics Enhancement Programme Into Jamaican Primary Mathematics Classes, Shandelene Khadine Kedisha Binns-Thompson
Evaluating The Integration Of A Mathematics Enhancement Programme Into Jamaican Primary Mathematics Classes, Shandelene Khadine Kedisha Binns-Thompson
School of Law, Humanities and Social Sciences Theses
This embedded quasi-experimental research design examined the impact of an enrichment initiative entitled the Mathematics Enhancement Programme (MEP) on Jamaican students’ performance and attitude towards mathematics. It identified teaching strategies for integrating the MEP into Jamaican primary mathematics classes. It investigated the impact of the MEP on teachers’ pedagogical practices, and it identified the barriers to integrating the MEP. A sample of 331 students and 12 teachers were conveniently selected from three schools from three parishes in Jamaica for the intervention group. The comparison group consisted of 180 students and seven teachers conveniently selected from two schools in central Jamaica. …
How Does Living In A Rural Location Affect Experiences Of Acquired Vision Impairment?, Rebecca Woods
How Does Living In A Rural Location Affect Experiences Of Acquired Vision Impairment?, Rebecca Woods
School of Law, Humanities and Social Sciences Theses
This research explores the lived experiences of adults with acquired sight loss who live in rural areas in Southwest England. There is a scarcity of published academic research with this group. Vision impaired people who live in rural locations are therefore unrecognised sources of vision impairment rehabilitation knowledge. The research is conducted in an interpretivist paradigm. The research is guided by phenomenological understanding, rooted in Merleau-Ponty’s concepts of perception, the centrality of tool-use, and human embodiment. Attention is centred on the process of adapting to sight loss in a domestic setting, placing this research in an experiential, community-based educational context. …
Teaching An English Geography Curriculum Abroad: Who Is The Other?, Kay Chapman
Teaching An English Geography Curriculum Abroad: Who Is The Other?, Kay Chapman
School of Law, Humanities and Social Sciences Theses
In former British colonies, such as Sri Lanka, affluent families from that country may choose to send their children to international schools because they want their children to have a British education and qualifications and be taught by British teachers. This research investigates how some of the actors involved negotiate a geography curriculum constructed for sixteen year olds in England with pupils from Sri Lanka. This small scale, multi-method, qualitative study focuses on one geography department at one international school in Sri Lanka. Data collected includes in-depth interviews with a Sri Lankan teacher, British teachers at the school and an …
Drone Imagery And Deep Learning For Mapping The Density Of Wild Pacific Oysters To Manage Their Expansion Into Protected Areas, Aser Mata, David Moffat, Sílvia Almeida, Marko Radeta, William Jay, Nigel Mortimer, Katie Awty-Carroll, Oliver Thomas, Vanda Brotas, Steve Groom
Drone Imagery And Deep Learning For Mapping The Density Of Wild Pacific Oysters To Manage Their Expansion Into Protected Areas, Aser Mata, David Moffat, Sílvia Almeida, Marko Radeta, William Jay, Nigel Mortimer, Katie Awty-Carroll, Oliver Thomas, Vanda Brotas, Steve Groom
School of Geography, Earth and Environmental Sciences
The recent expansion of wild Pacific oysters already had negative repercussions on sites in Europe and has raised further concerns over their potential harmful impact on the balance of biomes within protected areas. Monitoring their colonisation, especially at early stages, has become an urgent ecological issue. Current efforts to monitor wild Pacific oysters rely on “walk-over” surveys that are highly laborious and often limited to specific areas of easy access. Remotely Piloted Aircraft Systems (RPAS), commonly known as drones, can provide an effective tool for surveying complex terrains and detect Pacific oysters. This study provides a novel workflow for automated …
Suitability Of 210pbex, 137cs And 239+240pu As Soil Erosion Tracers In Western Kenya, Sophia M. Dowell, Olivier S. Humphrey, Charles J.B. Gowing, Thomas S. Barlow, Simon R. Chenery, Job Isaboke, William H. Blake, Odipo Osano, Michael J. Watts
Suitability Of 210pbex, 137cs And 239+240pu As Soil Erosion Tracers In Western Kenya, Sophia M. Dowell, Olivier S. Humphrey, Charles J.B. Gowing, Thomas S. Barlow, Simon R. Chenery, Job Isaboke, William H. Blake, Odipo Osano, Michael J. Watts
School of Geography, Earth and Environmental Sciences
Land degradation resulting from soil erosion is a global concern, with the greatest risk in developing countries where food and land resources can be limited. The use of fallout radionuclides (FRNs) is a proven method for determining short and medium-term rates of soil erosion, to help improve our understanding of soil erosion processes. There has been limited use of these methods in tropical Africa due to the analytical challenges associated with 137Cs, where inventories are an order of magnitude lower than in the Europe. This research aimed to demonstrate the usability of 239+240Pu as a soil erosion tracer in western …
Co-Making And Prototyping Community Housing Futures, Alejandro Veliz Reyes, Alexandra Carr, Timothy Crabtree
Co-Making And Prototyping Community Housing Futures, Alejandro Veliz Reyes, Alexandra Carr, Timothy Crabtree
School of Art, Design and Architecture
An emerging area of research on automated futures is that of digital equity- how to innovate and develop digital products, services, and experiences which promote equality of access, and align with the lived experiences of communities they are expected to benefit. In this chapter, we outline a research project focused on the adoption of digital fabrication technologies by a rural community in Bridport, United Kingdom. Their challenge is that of housing futures not only in terms of stock demand, but more broadly in terms of sustainable forms of housing construction (i.e., modern methods of construction) using local materials and skills. …
Tourist Perceived Destination Innovativeness (Tpdi) And Its Impacts On Tourist Experience And Tourist Satisfaction -The Case Study Of Hunan (China), Xiaoshan Yang
Plymouth Business School Theses
The primary purpose of this study is to develop a comprehensive understanding of tourist perceived destination innovativeness (TPDI) and to assess its impacts on tourist experience and satisfaction, and the thesis accordingly develops a multidimensional scale for measuring the concept of destination innovativeness. TPDI in this study refers to the willingness and capability of a destination to provide and deliver unique, interesting service and product. The development and validation of the multidimensional scale for the concept followed a rigorous procedure with three different stages of study, the data for which was collected from tourists in Hunan. The first stage analysed …
Balancing Energy Transition: Assessing Decent Living Standards And Future Energy Demand In The Global South, Souran Chatterjee
Balancing Energy Transition: Assessing Decent Living Standards And Future Energy Demand In The Global South, Souran Chatterjee
School of Geography, Earth and Environmental Sciences
Achieving low energy demand in buildings is crucial in climate change mitigation. In the Global South, however, reducing the energy demand blanketly is not advisable due to critical gaps in access to the basic services supporting Decent Living Standards (DLS). Current energy demand scenarios mostly overlook achievement of DLS. Furthermore, model limitations in representing distributional aspects hinder modelling future energy demands to meet DLS. Supported by new evidence from a set of detailed sectoral and integrated assessment models, this research contributes to bridging this gap by exploring future trends in DLS achievement and linkages with energy demand in the Global …
Effect Of Skin Tone On The Accuracy Of The Estimation Of Arterial Oxygen Saturation By Pulse Oximetry: A Systematic Review, Daniel Martin, Chris Johns, Lexy Sorrell, Eugene Healy, Mandeep Phull, Segun Olusanya, Mark Peters, Jeremy Fabes
Effect Of Skin Tone On The Accuracy Of The Estimation Of Arterial Oxygen Saturation By Pulse Oximetry: A Systematic Review, Daniel Martin, Chris Johns, Lexy Sorrell, Eugene Healy, Mandeep Phull, Segun Olusanya, Mark Peters, Jeremy Fabes
Peninsula Medical School
Background: Pulse oximetry-derived oxygen saturation (SpO2) is an estimate of true arterial oxygen saturation (SaO2). The aim of this review was to evaluate available evidence determining the effect of skin tone on the ability of pulse oximeters to accurately estimate SaO2. Methods: Published literature was screened to identify clinical and non-clinical studies enrolling adults and children when SpO2 was compared with a paired co-oximetry SaO2 value. We searched literature databases from their inception to March 20, 2023. Risk of bias (RoB) was assessed using the QUADAS-2 tool. Certainty of assessment was evaluated …
Electrochemical Based Quantification Of Bacterial Growth In Media Using Square Wave Voltammetry And Low Cost Screen Printed Electrodes, Simon Peter Whelan, Shirin Naserikarimvand, Zari Tehrani, Martin Peacock, Owen Guy, David Gethin
Electrochemical Based Quantification Of Bacterial Growth In Media Using Square Wave Voltammetry And Low Cost Screen Printed Electrodes, Simon Peter Whelan, Shirin Naserikarimvand, Zari Tehrani, Martin Peacock, Owen Guy, David Gethin
School of Geography, Earth and Environmental Sciences
A novel method for determining the yield of bacterial growth using square wave voltammetry and screen printed electrodes is described here. This procedure was shown to be a reliable and accurate way to quickly determine the level of bacterial growth within culturing media and these results suggest that the combination of such sensors and the application of square wave voltammetry is suitable for applications such as within a bioreactor where the rapid determination of bacterial growth may be necessary.
Blood From A Stone: Do The Trace Metals Of Sperm Whale Coproliths Reveal A Contribution From Squid Haemolymph?, Steven J. Rowland, Robert Clough, Paul A. Sutton, George H. Rowland
Blood From A Stone: Do The Trace Metals Of Sperm Whale Coproliths Reveal A Contribution From Squid Haemolymph?, Steven J. Rowland, Robert Clough, Paul A. Sutton, George H. Rowland
School of Geography, Earth and Environmental Sciences
Background: Ambergris is a coprolith produced by some sperm whales (∼1 %). It has been hypothesised that the metals in ambergris derive from the haemolymph of squid in the whale diet (mainly copper). However, few data exist. We report analysis of 10 trace metals in each of 50 ambergris samples by inductively coupled plasma-mass spectrometry. Main Findings: Acid digests of the samples contained ∼5 to >6880 µg g−1 air-dried weight total metals; mainly of iron (present in ∼90 % of samples, 38), copper (∼95 % of samples, 40), zinc (93 % of samples, 39) and cadmium (∼95 % of …
Synergy Solutions For Climate And Sdg Action: Bridging The Ambition Gap For The Future We Want, Souran Chatterjee
Synergy Solutions For Climate And Sdg Action: Bridging The Ambition Gap For The Future We Want, Souran Chatterjee
School of Geography, Earth and Environmental Sciences
No abstract provided.
Tourist Perceived Destination Innovativeness (Tpdi) And Its Impacts On Tourist Experience And Tourist Satisfaction -The Case Study Of Hunan (China), Xiaoshan Yang
Plymouth Business School Theses
The primary purpose of this study is to develop a comprehensive understanding of tourist perceived destination innovativeness (TPDI) and to assess its impacts on tourist experience and satisfaction, and the thesis accordingly develops a multidimensional scale for measuring the concept of destination innovativeness. TPDI in this study refers to the willingness and capability of a destination to provide and deliver unique, interesting service and product. The development and validation of the multidimensional scale for the concept followed a rigorous procedure with three different stages of study, the data for which was collected from tourists in Hunan. The first stage analysed …