Dataset Information

Evaluating the effectiveness of conservation measures for European grassland-breeding waders.

ABSTRACT: Farmland birds are among the most threatened bird species in Europe, largely as a result of agricultural intensification which has driven widespread biodiversity losses. Breeding waders associated with grassland and arable habitats are particularly vulnerable and a frequent focus of agri-environment schemes (AES) designed to halt and reverse population declines. We review existing literature, providing a quantitative assessment of the effectiveness of policy and management interventions used throughout Europe to improve population and demographic metrics of grassland-breeding waders. Targeted AES and site protection measures were more likely to be effective than less targeted AES and were ten times more likely to be effective than would be expected by chance, particularly for population trend and productivity metrics. Positive effects of AES and site protection did not appear synergistic. Management interventions which had the greatest chance of increasing population growth or productivity included modification of mowing regimes, increasing wet conditions, and the use of nest protection. Success rates varied according to the species and metric being evaluated. None of the policy or management interventions we evaluated were associated with a significant risk of negative impacts on breeding waders. Our findings support the use of agri-environment schemes, site protection, and management measures for grassland-breeding wader conservation in Europe. Due to publication bias, our findings are most applicable to intensively managed agricultural landscapes. More studies are needed to identify measures that increase chick survival. Despite broadly effective conservation measures already in use, grassland-breeding waders in Europe continue to decline. More research is needed to improve the likelihood and magnitude of positive outcomes, coupled with wider implementation of effective measures to substantially increase favorable land management for these species.

SUBMITTER: Franks SE

PROVIDER: S-EPMC6238142 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Evaluating the effectiveness of conservation measures for European grassland-breeding waders.

Franks Samantha E SE Roodbergen Maja M Teunissen Wolf W Carrington Cotton Anne A Pearce-Higgins James W JW

Ecology and evolution 20181009 21

Farmland birds are among the most threatened bird species in Europe, largely as a result of agricultural intensification which has driven widespread biodiversity losses. Breeding waders associated with grassland and arable habitats are particularly vulnerable and a frequent focus of agri-environment schemes (AES) designed to halt and reverse population declines. We review existing literature, providing a quantitative assessment of the effectiveness of policy and management interventions used thr ...[more]

PMID: 30464827

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Project description:BackgroundA Guide for Healthcare Professionals (HCP Guide) and patient alert card (PAC) for atezolizumab as additional risk minimization measures for physicians were distributed to raise awareness and help in the detection and management of immune-related adverse drug reactions.ObjectivesThe main objective of this study was to assess the receipt, knowledge, and behaviors of physicians regarding the atezolizumab HCP Guide and PAC.MethodsA multi-country, one-wave, observational, cross-sectional, web-based, self-reported physician survey was conducted to assess the level of knowledge of key messages related to immune-related adverse drug reactions summarized in the atezolizumab HCP Guide and PAC among physicians (oncologists, pulmonologists, and urologists) prescribing atezolizumab in six European countries (Denmark, Germany, Italy, Spain, Sweden, and the UK). Responses regarding the receipt, understanding and use of the materials, and knowledge and behavior related to the HCP Guide and PAC are presented as percentages and continuous scores scaled out of 100 points, with corresponding 95% confidence intervals (CIs).ResultsAmong 313 physicians (255 oncologists, 30 pulmonologists, and 28 urologists), 77.4% received the HCP Guide and 74.2% the PAC. The HCP Guide was read by 71.3% of the 267 physicians who received the materials, and the mean usage score was 69.5 (95% CI 66.0-72.9), and 57.1% of physicians had scores ≥ 70. The HCP Guide was completely understood by 85.4% of physicians who had read it. Mean knowledge scores were 63.9 (95% CI 62.1-65.7) and 39.4% of physicians had correct knowledge scores ≥ 70. Mean knowledge scores were 66.8 (95% CI 64.9-68.7) for receipt of both the HCP Guide and PAC, 59.4 (95% CI 55.5-63.4) for one of the materials, and 60.8 (95% CI 55.4-66.2) for having received none of the materials. Mean behavior scores were 78.9 (95% CI 76.8-81.0), and 74.8% of physicians had behavior scores ≥ 70. The mean behavior score was 79.0 (95% CI 76.5-81.5) for those who received both the HCP Guide and PAC, 76.9 (95% CI 72.2-81.5) for receipt of one of the materials, and 81.5 (95% CI 75.0-88.0) for those who received none of the materials.ConclusionsThe study assessed the effectiveness of the atezolizumab additional risk minimization educational materials among physicians in six European countries, using process indicators. The educational materials reached over 70% of target physicians, 57.1% of whom reported using them. Knowledge and behavior related to immune-related adverse drug reactions for atezolizumab were no better in those who received the additional risk minimization educational materials. The results support the safe use of atezolizumab by these physician groups and contributed to the European Medicines Agency permitting removal of the HCP Guide.

Project description:BackgroundApixaban (ELIQUIS®) is a direct oral anticoagulant authorised for multiple indications in the European Economic Area (EEA). Additional risk minimisation measures (aRMMs) to address the risk of bleeding include educational materials comprising a Prescriber Guide and Patient Alert Card.ObjectivesThis study evaluated effectiveness of the apixaban Prescriber Guide and Patient Alert Card in terms of healthcare professional (HCP) and patient knowledge of associated bleeding risk, as well as material distribution, utilisation and behaviour.MethodsThis non-interventional, cross-sectional study included online surveys in ten countries that represented a high proportion of apixaban usage in the EEA. The HCP source population was based on HCP lists used for communications about and distribution of the risk minimisation materials. Patient recruitment took place via HCPs. Study participants included HCPs involved in apixaban treatment and patients treated with apixaban (or their caregivers) for multiple indications. Data collection took place over an 18-month period between August 2015 and February 2017.ResultsSurvey responses from 385 HCPs and 125 patients/caregivers were analysed. HCP knowledge of bleeding risk included early recognition of symptoms requiring immediate contact with an HCP (96.1%), appropriate dosing (83.6%), contraindications (76.1%) and subpopulations at increased risk of bleeding complications (ranging from 63.5 to 85.9%). Patient knowledge included abnormal bleeding as an important side effect (71.2%), communicating risk factors to HCPs (76.8%) and recognition of potential bleeding symptoms ('high' knowledge levels 22.4%, 'moderate' knowledge levels 49.6%). Of 226 (58.7%) HCPs who recalled receiving/obtaining the Prescriber Guide, 97.8% read at least part of it and 74.8% had used it to assist patient discussions. Of 74 (59.2%) patients who were aware of the Patient Alert Card, 89.2% recalled receiving/obtaining a copy. When received, 90.9% of patients read the card at least once and 93.9% kept it with them at least some of the time.ConclusionsHCP and patient respondent knowledge of bleeding risk was satisfactory. Although not optimal, reach of the aRMMs was consistent with other studies. No modifications to aRMM content were required. To increase reach, the Prescriber Guide has been provided in an additional format as a web-based platform whilst the Patient Alert Card was included within product packaging.

Project description:Labile physiological variables, such as stress hormones [i.e. glucocorticoids (GCs)], allow individuals to react to perturbations in their environment and may therefore reflect the effect of disturbances or positive conservation initiatives in advance of population-level demographic measures. Although the application of GCs as conservation biomarkers has been of extensive interest, few studies have explicitly investigated whether baseline GC concentrations respond to disturbances consistently across individuals. However, confirmation of consistent responses is of paramount importance to assessing the ease of use of GCs in natural systems and to making valid interpretations regarding population-level change (or lack of change) in GC concentrations. We investigated whether free-ranging female tree swallows (Tachycineta bicolor) display individually specific changes in baseline glucocorticoid concentrations naturally over the breeding season (from incubation to offspring provisioning) and in response to a manipulation of foraging profitability (representing a decrease in access to food resources). We show that baseline GC concentrations are repeatable within individuals over reproduction in natural conditions. However, in response to a reduction in foraging ability, baseline GC concentrations increase at the population level but are not repeatable within individuals, indicating a high level of within-individual variation. Overall, we suggest that baseline GCs measured on a subset of individuals may not provide a representative indication of responses to environmental change at the population level, and multiple within-individual measures may be necessary to determine the fitness correlates of GC concentrations. Further validation should be completed across a variety of taxa and life-history stages. Moving beyond a traditional cross-sectional approach by incorporating repeated-measures methods will be necessary to assess the suitability of baseline GCs as biomarkers of environmental change and population persistence, particularly from a logistical and ease-of-use perspective for conservation managers.

Project description:BackgroundThe reduction of antimicrobial usage (AMU) is in the focus in modern pig production. The objective of this study was to assess the effectiveness of alternatives to reduce AMU at herd level. In a prospective study, 68 farrow-to-finish pig herds located in Belgium, France, Germany and Sweden were recruited on a voluntary basis to implement tailor-made intervention plans to reduce their AMU. Alternative measures included improvement of biosecurity (n = 29 herds), vaccination (n = 30), changes of feeding schemes or drinking water quality (n = 45), improved pig health and welfare care (n = 21) as well as changes in stable climate and zootechnical measures (n = 14). Herds were followed for 1 year after implementation of measures. Annual antimicrobial expenditures or treatment records, as well as disease incidence scores were collected and compared to those of the year before intervention. AMU was measured as the treatment incidence and calculated by age category, antimicrobial class and administration route.ResultsCompliance with the intervention plans was high (median 93%). AMU was significantly reduced following the implementation of alternative measures: in the median herd of the four countries, pigs were treated before intervention 25% of their expected lifespan (200 days from birth to slaughter) and after intervention 16%. AMU of suckling and weaned pigs were significantly reduced by 37 and 54%, respectively. The usage of polymyxins and tetracyclines was significantly reduced by 69 and 49%, respectively. AMU via feed and water, as well as parenteral AMU were significantly reduced by 46 and 36%, respectively. Herds with a higher AMU level before intervention achieved a bigger reduction. The majority of disease incidence were similar before and after intervention, with a few exceptions of disorders related to the gastro-intestinal tract in suckling pigs (decreased) and in breeding pigs (increased).ConclusionFollowing tailor-made implementation of alternative measures, a substantial reduction of AMU in pig production was achievable without jeopardizing animal health. The AMU reduction in the youngest age categories (suckling and weaned pigs) and the reduction of group treatments via feed and water was in line with the recent European Guidelines on the prudent use of antimicrobials in veterinary medicine.

Project description:BackgroundSodium oxybate (Xyrem®), approved by the European Medicines Agency (EMA) for narcolepsy with cataplexy, is only available through risk mitigation programs due to potential adverse effects including respiratory and central nervous system depression, neuropsychiatric events, and misuse.ObjectiveWe report findings from a survey evaluating effectiveness of the European Union Xyrem® Risk Management Plan (RMP).Patients and methodsA cross-sectional, online, multiple-choice survey was distributed to randomly selected healthcare professionals (HCPs) from six European countries (April 2016-May 2018). Eligibility criteria: current/potential Xyrem® prescriber and/or sleep disorder specialist; contact information available; on the Xyrem® RMP educational materials mailing list.Primary outcomeproportion of respondents answering each question correctly (< 50% responses correct = unsatisfactory comprehension, 50% to < 70% = satisfactory, ≥ 70% = excellent), with precision assessed using 95% confidence intervals (CIs).ResultsOf the 709 HCPs contacted, 601 did not agree to take part, 108 were screened with 35/108 eligible for inclusion; 31 HCPs completed the survey. Of the 31 respondents, 29 (93.5%; 95% CI 84.4-100.0) reported receiving Xyrem® safety information, commonly from a sales representative, EMA Summary of Product Characteristics (SmPC), or educational meeting; only 9/31 (31.0%; 14.3-50.0) recalled receiving mailed educational materials. The number of HCPs answering dosing-related questions correctly ranged from 24/31 to 31/31. All Xyrem® contraindications were correctly identified by 26/31 (83.9%; 70.0-96.7) respondents. All respondents 'always' or 'sometimes' completed SmPC recommended activities upon treatment initiation. The majority indicated signs of abuses/misuse/diversion (23/31; 74.2%; 58.6-88.0) and criminal use (23/31; 74.2%; 59.4-89.3) should be monitored at follow-up.ConclusionsThese data demonstrate the importance of providing a range of educational materials. However, the low sample size limits interpretation; increased HCP engagement would improve understanding of how best to develop educational materials.European post-authorization study (pas) register numberEUPAS15024.

Project description:Ideas about how plant competition varies with productivity are rooted in classic theories that predict either increasing (Grime) or invariant (Tilman) competition with increasing productivity. Both predictions have received experimental support, although a decade-old meta-analysis supports neither. Attempts to reconcile the conflicting predictions and evidence include: expanding the theory to include other conditions (e.g. stress gradient hypothesis), development of indices to differentiate either the 'intensity' or 'importance' of competition, a focus on resource supply and demand, and explicit recognition that both growth and survival may exhibit different relationships with productivity. To determine which of these theories accurately predict how competition varies with productivity within a native grassland site, we estimated competitive intensity and relative competitive importance using 22 species across the range of productivity naturally occurring within that site. Plant performance was measured as survival and size with and without neighbours and the local environment was quantified according to variability in standing crop, gross water supply, and net water supply. On average, neighbours weakly facilitated seedling survival, but strongly reduced seedling growth. For both seedling survival and growth, relative competitive importance and competitive intensity declined with some measure of productivity; neighbour effects on survival declined with standing crop, while effects on growth declined with gross water supply. These results add to the growing evidence that plant-plant interactions vary among life history components with different life history components contingent upon separate environmental factors. Although the range of productivity measured in this study was not large, our results do not support the theories of Grime or Tilman. However, our results are consistent with the meta-analysis and parts of other theories, although no single theory is capable of explaining the entirety of these results. This suggests that, at least in moderately productive grasslands, new theory needs to be developed.

Dataset Information

Evaluating the effectiveness of conservation measures for European grassland-breeding waders.

Publications

Evaluating the effectiveness of conservation measures for European grassland-breeding waders.

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