Measurability, austerity and edibility: Introducing waste into food regime theory

Food waste has emerged as an increasing focus of scholarship in both sociology and geography. This article examines the contemporary upsurge of interest in food waste primarily using the lens of food regime theory. Food regime periodization is used to examine three eras: 1) the most recent emergence of counter-regime activities in food waste politics, 2) much earlier, pre-WWII and wartime waste management, and 3) post-WWII erasure of food waste as a cultural concern. Based on these three, the argument proposes that food regime periodization is able to provide some structural shape to wider shifts in the cultural positioning of food waste but does not provide a satisfactory account of contemporary politics around waste. Drawing on material from the mid-20th century transition in waste culture, three dynamics are identified: measurability, austerity and edibility which both help situate contemporary waste politics within a longer historical framework and also challenge the food regime framework to broaden its focus to include the power of waste to contest the ontological politics of regimes

Shift from Carbon Flow through the Microbial Loop to the Viral Shunt in Coastal Antarctic Waters during Austral Summer

The relative flow of carbon through the viral shunt and the microbial loop is a pivotal factor controlling the contribution of secondary production to the food web and to rates of nutrient remineralization and respiration. The current study examines the significance of these processes in the coastal waters of the Antarctic during the productive austral summer months. Throughout the study a general trend towards lower bacterioplankton and heterotrophic nanoflagellate (HNF) abundances was observed, whereas virioplankton concentration increased. A corresponding decline of HNF grazing rates and shift towards viral production, indicative of viral infection, was measured. Carbon flow mediated by HNF grazing decreased by more than half from 5.7 µg C L−1 day−1 on average in December and January to 2.4 µg C L−1 day−1 in February. Conversely, carbon flow through the viral shunt increased substantially over the study from on average 0.9 µg C L−1 day−1 in December to 7.6 µg C L−1 day−1 in February. This study shows that functioning of the coastal Antarctic microbial community varied considerably over the productive summer months. In early summer, the system favors transfer of matter and energy to higher trophic levels via the microbial loop, however towards the end of summer carbon flow is redirected towards the viral shunt, causing a switch towards more recycling and therefore increased respiration and regeneration

Plasticity in dormancy behaviour of Calanoides acutus in Antarctic coastal waters

Copepods that enter dormancy, such as Calanoides acutus, are key primary consumers in Southern Ocean food webs where they convert a portion of the seasonal phytoplankton biomass into a longer-term energetic and physiological resource as wax ester (WE) reserves. We studied the seasonal abundance and lipid profiles of pre-adult and adult C. acutus in relation to phytoplankton dynamics on the Western Antarctic Peninsula. Initiation of dormancy occurred when WE unsaturation was relatively high, and chlorophyll a (Chl a) concentrations, predominantly attributable to diatoms, were reducing. Declines in WE unsaturation during the winter may act as a dormancy timing mechanism with increased Chl a concentrations likely to promote sedimentation that results in a teleconnection between the surface and deep water inducing ascent. A late summer diatom bloom was linked to early dormancy termination of females and a second spawning event. The frequency and duration of high biomass phytoplankton blooms may have consequences for the lifespan of the iteroparous C. acutus females (either 1 or 2 years) if limited by a total of two main spawning events. Late summer recruits, generated by a second spawning event, likely benefitted from lower predation and high phytoplankton food availability. The flexibility of copepods to modulate their life-cycle strategy in response to bottom-up and top-down conditions enables individuals to optimize their probability of reproductive success in the very variable environment prevalent in the Southern Ocean

Recruitment, employability and career development for international students undertaking the UWE MSc Public Health: Final report

Executive SummaryBackgroundOver the last decade, the MSc Public Health at UWE has successfully recruited many international students. An issue for the university in promoting the benefits of the programme internationally is that there is a good career structure in UK public health for those from backgrounds other than medicine, but this is not necessarily the case for international students.Aims and objectivesThe aims were (1) to inform the career guidance we give our international MSc PH students to better enable them to pursue their individual careers and (2) to contribute to developing the Public Health and Wellbeing Research Group’s research on international public health workforce capacity development. To achieve these aims we had two more specific objectives: (1) to map the public health career development of UWE international MSc PH alumni and (2) to map the public health career structures, professional bodies and registration requirements of countries from which students are recruited.MethodsThis was a mixed methods research project based on an online survey, telephone and face-to-face semi-structured interviews and web-searching. Element 1 focused on the public health career experiences of our MSc international students over the last ten years. A purposive sample of 97 international alumni was emailed with a request to participate in the online survey. The survey included an option to consent for a further follow up interview. Element 2 involved mapping public health career structures, professional bodies and registration in countries from which international students attended over the last ten years. For each country, an internal search was conducted for national public health bodies, associations and registers, and key informants were contacted.4ResultsForty-seven alumni responded and answered at least one question in the online survey. The majority of participants were employed by international organisations, academic institutions, and state agencies or were at different stages of PhD studies. Participants reported increased public health career experiences in public health research roles, public health leadership, and policy analysis and in planning, implementing and evaluating public health programmes. Participants had confidence in applying public health skills, especially research, critical thinking, academic writing as well as demonstrating public health leadership skills and the application of multidisciplinary approaches to address public health issues. Recommendations included provision of longer public health placements, optional courses on project management and advanced statistics, and continued internationalisation of the curriculum. Overall, alumni satisfaction was high in relation to the relevance and impact of the skills and knowledge they acquired during their MSc Public Health at UWE.Discussion and conclusionsThe results of this study were consistent with other studies of alumni of MSc Public Health programmes. The study has provided useful feedback on the UWE MSc Public Health programme and a number of helpful recommendations were made by alumni which will be addressed by the programme team. Implications for further research include studies of international employers’ perspectives on the value and limitations of the MSc Public Health and on public health registratio

Prioritizing conservation investments for mammal species globally

We need to set priorities for conservation because we cannot do everything, everywhere, at the same time. We determined priority areas for investment in threat abatement actions, in both a cost-effective and spatially and temporally explicit way, for the threatened mammals of the world. Our analysis presents the first fine-resolution prioritization analysis for mammals at a global scale that accounts for the risk of habitat loss, the actions required to abate this risk, the costs of these actions and the likelihood of investment success. We evaluated the likelihood of success of investments using information on the past frequency and duration of legislative effectiveness at a country scale. The establishment of new protected areas was the action receiving the greatest investment, while restoration was never chosen. The resolution of the analysis and the incorporation of likelihood of success made little difference to this result, but affected the spatial location of these investments

An Initial Survey of White Dwarfs in the Sloan Digital Sky Survey

An initial assessment is made of white dwarf and hot subdwarf stars observed in the Sloan Digital Sky Survey. In a small area of sky (190 square degrees), observed much like the full survey will be, 269 white dwarfs and 56 hot subdwarfs are identified spectroscopically where only 44 white dwarfs and 5 hot subdwarfs were known previously. Most are ordinary DA (hydrogen atmosphere) and DB (helium) types. In addition, in the full survey to date, a number of WDs have been found with uncommon spectral types. Among these are blue DQ stars displaying lines of atomic carbon; red DQ stars showing molecular bands of C_2 with a wide variety of strengths; DZ stars where Ca and occasionally Mg, Na, and/or Fe lines are detected; and magnetic WDs with a wide range of magnetic field strengths in DA, DB, DQ, and (probably) DZ spectral types. Photometry alone allows identification of stars hotter than 12000 K, and the density of these stars for 15<g<20 is found to be ~2.2 deg^{-2} at Galactic latitudes 29-62 deg. Spectra are obtained for roughly half of these hot stars. The spectra show that, for 15<g<17, 40% of hot stars are WDs and the fraction of WDs rises to ~90% at g=20. The remainder are hot sdB and sdO stars.Comment: Accepted for AJ; 43 pages, including 12 figures and 5 table

The White Dwarf Luminosity Function from SDSS Imaging Data

A sample of white dwarfs is selected from SDSS DR3 imaging data using their reduced proper motions, based on improved proper motions from SDSS plus USNO-B combined data. Numerous SDSS and followup spectra (Kilic et al. 2005) are used to quantify completeness and contamination of the sample; kinematic models are used to understand and correct for velocity-dependent selection biases. A luminosity function is constructed covering the range 7 < M_bol < 16, and its sensitivity to various assumptions and selection limits is discussed. The white dwarf luminosity function based on 6000 stars is remarkably smooth, and rises nearly monotonically to M_bol = 15.3. It then drops abruptly, although the small number of low-luminosity stars in the sample and their unknown atmospheric composition prevent quantitative conclusions about this decline. Stars are identified that may have high tangential velocities, and a preliminary luminosity function is constructed for them.Comment: Accepted for AJ (Jan 2006). 35 pages (includes 10 figures

The Long-Baseline Neutrino Experiment: Exploring Fundamental Symmetries of the Universe

The preponderance of matter over antimatter in the early Universe, the dynamics of the supernova bursts that produced the heavy elements necessary for life and whether protons eventually decay --- these mysteries at the forefront of particle physics and astrophysics are key to understanding the early evolution of our Universe, its current state and its eventual fate. The Long-Baseline Neutrino Experiment (LBNE) represents an extensively developed plan for a world-class experiment dedicated to addressing these questions. LBNE is conceived around three central components: (1) a new, high-intensity neutrino source generated from a megawatt-class proton accelerator at Fermi National Accelerator Laboratory, (2) a near neutrino detector just downstream of the source, and (3) a massive liquid argon time-projection chamber deployed as a far detector deep underground at the Sanford Underground Research Facility. This facility, located at the site of the former Homestake Mine in Lead, South Dakota, is approximately 1,300 km from the neutrino source at Fermilab -- a distance (baseline) that delivers optimal sensitivity to neutrino charge-parity symmetry violation and mass ordering effects. This ambitious yet cost-effective design incorporates scalability and flexibility and can accommodate a variety of upgrades and contributions. With its exceptional combination of experimental configuration, technical capabilities, and potential for transformative discoveries, LBNE promises to be a vital facility for the field of particle physics worldwide, providing physicists from around the globe with opportunities to collaborate in a twenty to thirty year program of exciting science. In this document we provide a comprehensive overview of LBNE's scientific objectives, its place in the landscape of neutrino physics worldwide, the technologies it will incorporate and the capabilities it will possess.Comment: Major update of previous version. This is the reference document for LBNE science program and current status. Chapters 1, 3, and 9 provide a comprehensive overview of LBNE's scientific objectives, its place in the landscape of neutrino physics worldwide, the technologies it will incorporate and the capabilities it will possess. 288 pages, 116 figure