293 research outputs found
Action de conservation de la biodiversité des rotins de Malaisie
Suite à une demande croissante, la cueillette des rotins s'est accentuée dans un périmètre forestier dont, de plus, l'étendue diminuait sous l'influence des exploitations ou des transformations. Les ressources en rotins se sont donc appauvries et certaines espèces commerciales ont pratiquement disparues de certaines contrées. Il est donc nécessaire de mener des actions d'évaluation et de conservation de leur diversité génétique
Intra-and inter-group perceptions of Chinese and Tanzanian employees in intercultural cooperation
The cooperation between Chinese and Tanzanian employees and organisations has a very long tradition in Tanzanian history. The purpose of this paper is to explore and understand how Chinese and Tanzanian employees see themselves and “the other” while cooperating. This research presents a study of a single case, conducted in a selected Chinese organisation in Tanzania. It uses a hermeneutical research paradigm. Data was collected using semi-structured interviews and observation and analysed through content analysis, following Terre Blanche’s model. Findings demonstrate and explain the perspectives which Chinese and Tanzanian employees hold mutually with regard to the group image of self and other within the organisation, as well as perceptions of self and other in terms of organisational, environmental and cultural contexts. Since this is a qualitative single organisational case study, the findings are limited to this single organisation and are not generalisable. Conclusions drawn from the new research insights are provided and recommendations are given in terms of how Chinese and Tanzanian perceptions present themselves and how organisations could work with self-image and counter images to improve intercultural cooperation
Between suffering and coping: burnout in female medical doctors in South Africa
Burnout is described as emotional and physical exhaustion, reduced accomplishment, together with an outlook of inadequacy and cynicism related to job stress. It has a harmful impact globally, especially in developing countries, such as South Africa. This study is a phenomenological collective case study focusing on burnout experience in a sample of female medical doctors working in a South African public hospital. Based on ongoing explorations of burnout themes, empirically based intervention strategies are needed to be developed and presented for the South African public health sector to prevent stress-related burnout. The findings support the trend in literature that burnout is an overwhelming experience for female medical doctors in South Africa. The study presents voices of female medical doctors, their concerns, the causes for burnout and their coping mechanisms. It provides a strong contribution to exploring and presenting women’s experiences in working in the medical field in South Africa from a positive psychology perspective. The findings indicate the struggles and the coping mechanisms of female medical doctors working in the field
Creativity and psychopathology – an interdisciplinary view
Abstract: Since ancient philosophy extraordinary creativity is associated with mental disorders, emo-tional and cognitive destabilization, and melancholia. We here summarize the results of em-pirical and narrative studies and analyze the most prominent case of a highly creative person who suffered from dysthymia and major depression with suicidality. Hereby, we focus on the interaction of different phases of the creative process with ―bipolar‖ personality traits. Finally, we offer an interdisciplinary interpretation of the creative dialectics between order and chaos. The results show that severe psychopathology inhibits creativity. Mild and moderate disorders can inspire and motivate creative work but are only leading to new and useful solutions when creators succeed in transforming their emotional instability and cognitive incoherence into stable and coherent forms. The cultural idea that creativity emerges in dialectical processes between order and chaos, is also to be found in the psychologic interplay of coherence and incoherence, and in neuro-scientific models of the dynamics between tightening and loosen-ing of neuronal structures. Consequences are drawn for the psychotherapeutic treatment of persons striving for creativity
Intra-and inter-group perceptions of Chinese and Tanzanian employees in intercultural cooperation
The cooperation between Chinese and Tanzanian employees and organisations has a very long tradition in Tanzanian history. The purpose of this paper is to explore and understand how Chinese and Tanzanian employees see themselves and “the other” while cooperating. This research presents a study of a single case, conducted in a selected Chinese organisation in Tanzania. It uses a hermeneutical research paradigm. Data was collected using semi-structured interviews and observation and analysed through content analysis, following Terre Blanche’s model. Findings demonstrate and explain the perspectives which Chinese and Tanzanian employees hold mutually with regard to the group image of self and other within the organisation, as well as perceptions of self and other in terms of organisational, environmental and cultural contexts. Since this is a qualitative single organisational case study, the findings are limited to this single organisation and are not generalisable. Conclusions drawn from the new research insights are provided and recommendations are given in terms of how Chinese and Tanzanian perceptions present themselves and how organisations could work with self-image and counter images to improve intercultural cooperation
Gender- and age-related differences in clinical presentation and management of outpatients with stable coronary artery disease
<br>Introduction: Contemporary generalizable data on the demographics and management of outpatients with stable coronary artery disease (CAD) in routine clinical practice are sparse. Using the data from the CLARIFY registry we describe gender- and age-related differences in baseline characteristics and management of these patients across broad geographic regions.</br>
<br>Methods: This international, prospective, observational, longitudinal registry enrolled stable CAD outpatients from 45 countries in Africa, Asia, Australia, Europe, the Middle East, and North, Central, and South America.</br>
<br>Results: Baseline data were available for 33 280 patients. Mean (SD) age was 64 (10.5) years and 22.5% of patients were female. The prevalence of CAD risk factors was generally higher in women than in men. Women were older (66.6 vs 63.4 years), more frequently diagnosed with diabetes (33% vs 28%), hypertension (79% vs 69%), and higher resting heart rate (69 vs 67 bpm), and were less physically active. Smoking and a history of myocardial infarction were more common in men. Women were more likely to have angina (28% vs 20%), but less likely to have undergone revascularization procedures. CAD was more likely to be asymptomatic in older patients perhaps because of reduced levels of physical activity. Prescription of evidence-based medication for secondary prevention varied with age, with patients ≥ 75 years treated less often with beta blockers, aspirin and angiotensin-converting enzyme inhibitors than patients < 65 years.</br>
<br>Conclusions: Important gender-related differences in clinical characteristics and management continue to exist in all age groups of outpatients with stable CAD.</br>
Nitrogen at raised pressure interacts with the GABAA receptor to produce its narcotic pharmacological effect in the rat
Background: Strong evidence supports the concept that conventional anesthetics, including inhalational agents and inert gases, such as xenon and nitrous oxide, interact directly with ion channel neurotransmitter receptors. However, there is no evidence that nitrogen, which only exhibits narcotic potency at increased pressure, may act by a similar mechanism. Methods: We compared the inhibitory and sedative effects of ␥-aminobutyric acid (GABA) and nitrogen pressure on locomotor activity and striatal dopamine release in freely moving rats and investigated the pharmacologic properties of the GABAinduced and nitrogen pressure-induced narcotic action using the highly selective competitive GABA A receptor antagonist bicuculline. Results: Intracerebroventricular GABA infusion up to 60 mol or exposure to nitrogen pressure up to 3 MPa decreased to a similar extent striatal dopamine release (
Fear, depression, and well-being during COVID-19 in German and South African students: A cross-cultural comparison
Various studies have shown a decrease in well-being and an increase in mental health problems during the COVID-19 pandemic; however, only a few studies have explored fear, depression, and well-being crossculturally during this time. Accordingly, we present the results of a crosscultural study that (1) compares these mental health scores for German and South African students, (2) compares the correlations among them, and (3) identifies COVID-19 fear, well-being, and depression predictors. German and South African societies differ from each other socio-culturally, politically, and economically. Their university systems also differ to a large extent. University students in both countries completed the Fear of COVID-19 Scale, the World Health Organization-Five Well-Being Index (WHO-5), and the Patient Health Questionnaire-9 (PHQ-9). Welch’s t-test, correlation, and multiple regression analyses were performed. (1) German students were found to have statistically lower levels of COVID-19 fear and depression, but lower levels of general wellbeing than South African students. (2) In both samples, fear of COVID-19 was negatively correlated with well-being and positively associated with femalegender and depression. (3) Additionally, female gender, depression, and lower well-being were identified as predictors of COVID-19 fear in both samples. The findings indicate that the fear of COVID-19 is associated with and varies according to gender, depression, and well-being across cultures, and that the difference in the intensity of fear between German and South African students may be partly explained by cultural and contextual differences. These findings can create a deeper understanding of the pandemic’s impact on student communities and may be used by mental health practitioners and researchers to develop and apply culture-specific interventions
Multi-disciplinary investigation of fluid seepage on an unstable margin: The case of the Central Nile deep sea fan
We report on a multidisciplinary study of cold seeps explored in the Central Nile deep-sea fan of the Egyptian margin. Our approach combines in situ seafloor observation, geophysics, sedimentological data, measurement of bottom-water methane anomalies, pore-water and sediment geochemistry, and 230Th/U dating of authigenic carbonates. Two areas were investigated, which correspond to different sedimentary provinces. The lower slope, at ∼ 2100 m water depth, indicates deformation of sediments by gravitational processes, exhibiting slope-parallel elongated ridges and seafloor depressions. In contrast, the middle slope, at ∼ 1650 m water depth, exhibits a series of debris-flow deposits not remobilized by post-depositional gravity processes.
Significant differences exist between fluid-escape structures from the two studied areas. At the lower slope, methane anomalies were detected in bottom-waters above the depressions, whereas the adjacent ridges show a frequent coverage of fractured carbonate pavements associated with chemosynthetic vent communities. Carbonate U/Th age dates (∼ 8 kyr BP), pore-water sulphate and solid phase sediment data suggest that seepage activity at those carbonate ridges has decreased over the recent past. In contrast, large (∼ 1 km2) carbonate-paved areas were discovered in the middle slope, with U/Th isotope evidence for ongoing carbonate precipitation during the Late Holocene (since ∼ 5 kyr BP at least).
Our results suggest that fluid venting is closely related to sediment deformation in the Central Nile margin. It is proposed that slope instability leads to focused fluid flow in the lower slope and exposure of ‘fossil’ carbonate ridges, whereas pervasive diffuse flow prevails at the unfailed middle slope
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