Rare plants are common where you find them

Broad patterns in distribution and abundance can elucidate processes of evolution. A positive association between local abundance and the size of the geographic range has been demonstrated for closely related species across many taxa. This pattern is usually explained by assuming that species with smaller ranges are ecologically inferior (e.g., poor competitors or dispersers). Many areas of high endemism support local species that have evolved recently. The distribution of these neoendemics may reflect historical processes not accounted for by ecological, equilibrium hypotheses. We asked whether such traditional macroecological hypotheses also applied to the local abundance of seven narrowly endemic species and ecologically similar widespread congeners in the northern Rocky Mountains. For each of the 14 species, we estimated abundance of five randomly chosen populations by counting plants in 10 randomly located plots. The association between range size and local abundance was not positive. Instead, all seven narrow endemics were more abundant than their widespread congeners. Ecological specialization or differences in dispersal ability are not likely explanations for our results. We believe the local abundance of narrowly endemic species may be a sign of recent speciation. Most or all of our narrowly distributed species have probably not yet had time to spread to their full potential. Furthermore, theory predicts that speciation is more likely to occur in locally abundant populations. Our results suggest that strictly ecological mechanisms cannot explain abundance and distribution in regions with high neoendemism

Disappearing Plants: Why They Hide and How They Return

Prolonged dormancy is a life-history stage in which mature plants fail to resprout for one or more growing seasons and instead remain alive belowground. Prolonged dormancy is relatively common, but the proximate causes and consequences of this intriguing strategy have remained elusive. In this study we tested whether stored resources are associated with remaining belowground, and investigated the resource costs of remaining belowground during the growing season. We measured stored resources at the beginning and end of the growing season in Astragalus scaphoides, an herbaceous perennial in southwest Montana, USA. At the beginning of the growing season, dormant plants had lower concentrations of stored mobile carbon (nonstructural carbohydrates, NSC) than did emergent plants. Surprisingly, during the growing season, dormant plants gained as much NSC as photosynthetically active plants, an increase most likely due to remobilization of structural carbon. Thus, low levels of stored NSC were associated with remaining belowground, and remobilization of structural carbon may allow for dormant plants to emerge in later seasons. The dynamics of NSC in relation to dormancy highlights the ability of plants to change their own resource status somewhat independently of resource assimilation, as well as the importance of considering stored resources in understanding plant responses to the environment

Patients' perceptions of a NHS Health Check in the primary care setting

The NHS Health Checks is a cardiovascular disease (CVD) risk assessment and management programme for individuals in England aged between 40 and 74 with the aim of identifying previously unassessed individuals that are at high risk of CVD. Little research to date has explored patient perceptions and opinions of Health Checks. This paper aims to investigate the perceptions and opinions of patients who had attended a Health Check appointment within a cohort of 83 General Practices in Gloucestershire. A cross sectional survey of patients who had completed a Health Check appointment during the period May to June 2012 within a single county in England. Quantitative and qualitative data were acquired from 1,011 standardised and anonymised patient surveys sent out by a Health Check Commissioner and GPs. Data gathered included perceptions concerning all aspects of the Health Checks process and actual appointment. Descriptive analysis was used to interrogate the quantitative data. Inductive content analysis was used to analyse qualitative data. Concerns about health were a principal driver of attendance. Reassurance, access to health information and guidance, and the identification of CVD risk and CVD diagnosis were perceived as key benefits of attending the appointment. Principal disadvantages included inconsistencies in the Health Check process, administration of appointments and a lack of appropriate follow up advice. Health Checks are popular with patients and provide useful outcomes but greater consistency is needed in engaging patients and describing its purpose

Oxidizes Low Density Lipoprotein Cytoxicity and Vascular Diseases

The formation of oxidized low density lipoprotien (oxLDL) within atherosclerotic plaques is a significant event, which appears to drive the transition from fatty streaks to advanced complex plaque cytotoxic agent that triggers a number of competing cell death machanisms

Using statistics to design and estimate vital rates in matrix population models for a perennial herb

Matrix population models are widely used to assess population status and to inform management decisions. Despite existing theories for building such models, model construction is often partially based on expert opinion. So far, model structure has received relatively little attention, although it may affect estimates of population dynamics. Here, we assessed the consequences of two published matrix structures (a 4 × 4 matrix based on expert opinion and a 10 × 10 matrix based on statistical modeling) for estimates of vital rates and stochastic population dynamics of the long‐lived herb Astragalus scaphoides. We explored the ways in which choice of model structure alters the accuracy (i.e., mean) and precision (i.e., variance) of predicted population dynamics. We found that model structure had a negligible effect on the accuracy and precision of vital rates and stochastic stage distribution. However, the 10 × 10 matrix produced lower estimates of stochastic population growth rates than the 4 × 4 matrix, and more accurately predicted the observed trends in population abundance for three out of four study populations. Moreover, estimates of realized variation in population growth rate due to fluctuations in population stage structure over time were occasionally sensitive to matrix structure, suggesting differential roles of transient dynamics. Our study indicates that statistical modeling for choosing categories in matrix models might be preferable over expert opinion to accurately predict population trends and can provide a more objective way for model construction when the biological knowledge of the species is limited.</p

Perceptions of health professionals involved in the implementation of a NHS Health Check care pathway in the primary care setting

Background: The national NHS Health Check programme in England aims to help people stay well for longer and is designed to support individuals aged between 40 and 74 to manage their risk of developing vascular diseases by offering a cardiovascular risk assessment every five years. Aim: To investigate health professionals’ experiences and perspectives concerning the implementation of a local HC programme and challenges to delivery. Methods: Surveys including standardised quantitative questions and qualitative questions were administered to GP practice staff (n = 25) directly involved in the implementation of Health Checks within a single county in the South West of England. Results: There was a lack of clarity concerning the expectations for Health Checks and barriers to consistently implementing the pathway. Practitioners were not always confident in communicating risk or supporting change in patient health behaviours. Conclusions: There is a need for on-going training and support in respect of Health Checks for those engaged in its implementation

Patients' perceptions of a NHS Health Check in the primary care setting

The NHS Health Checks is a cardiovascular disease (CVD) risk assessment and management programme for individuals in England aged between 40 and 74 with the aim of identifying previously unassessed individuals that are at high risk of CVD. Little research to date has explored patient perceptions and opinions of Health Checks. This paper aims to investigate the perceptions and opinions of patients who had attended a Health Check appointment within a cohort of 83 General Practices in Gloucestershire. A cross sectional survey of patients who had completed a Health Check appointment during the period May to June 2012 within a single county in England. Quantitative and qualitative data were acquired from 1,011 standardised and anonymised patient surveys sent out by a Health Check Commissioner and GPs. Data gathered included perceptions concerning all aspects of the Health Checks process and actual appointment. Descriptive analysis was used to interrogate the quantitative data. Inductive content analysis was used to analyse qualitative data. Concerns about health were a principal driver of attendance. Reassurance, access to health information and guidance, and the identification of CVD risk and CVD diagnosis were perceived as key benefits of attending the appointment. Principal disadvantages included inconsistencies in the Health Check process, administration of appointments and a lack of appropriate follow up advice. Health Checks are popular with patients and provide useful outcomes but greater consistency is needed in engaging patients and describing its purpose

“Artlift” Arts-on-Referral Intervention in UK Primary Care: Updated findings from an ongoing observational study

Background: Arts for health interventions are an accepted option for medical management of mental wellbeing in health care. Updated findings are presented from a prospective longitudinal follow-up (observational) design study of an arts on referral programme in UK general practice, over a 7-year period (2009–2016). Methods: Primary care process and mental wellbeing outcomes were investigated, including progress through the intervention, changes in mental wellbeing, and factors associated with those outcomes. A total of n =1297 patients were referred to an eight or 10-week intervention over a period from 2009 to 2016. Patient sociodemographic information was recorded at baseline, and patient progress (e.g. attendance) assessed throughout the intervention. Results: Of all referrals, 51.7% completed their course of prescribed art (the intervention). Of those that attended, 74.7% engaged with the intervention as rated by the artists leading the courses. A significant increase in wellbeing was observed from pre- to post-intervention (t = −19.29, df =523, P < 0.001, two-tailed) for those that completed and/or engaged. A sub sample (N =103) of these referrals self-reported multi-morbidities. These multiple health care service users were majority completers (79.6%), and were rated as having engaged (81.0%). This group also had a significant increase in well-being, although this was smaller than for the group as a whole (t = −7.38, df =68, P < 0.001). Conclusion: Findings confirm that art interventions can be effective in the promotion of well-being for those that complete, including those referred with multi-morbidity, with significant changes in wellbeing evident across the intervention periods