Subalpine-nival gradient of species richness for vascular plants, lichens and bryophytes in the Swiss Inner Alps

In the European GLORIA project, 12 summits (treeline to nival belt) were inventoried in three regions of Switzerland: two in the Swiss National Park Graubünden and one in Valais. Vascular plants were recorded in all three regions and bryophytes and lichens were recorded only in Valais. On each summit, vegetation and temperature data were sampled using sampling protocols for the GLORIA project (Global Observation Research Initiative in Alpine environment) on large summit sections and in clusters of four 1x1-m quadrats. We observed a general decrease of species richness for all three systematic groups with increasing elevation in the summit sections, but only for vascular plants in the quadrats. In Valais, there was higher species richness for vascular plants than for bryophytes and lichens on the lower summits, but as the decrease in species richness was less pronounced for cryptogams, the latter were more numerous than vascular plants on the highest summit. Vascular species showed a clear shift of the dominant life form with elevation, with chamaephytes replacing hemicryptophytes. Bryophytes and lichens showed a weak trend among the life forms at the summit section scale, but a stronger shift of the dominant forms was seen in the quadrats, with cushion replacing turf bryophytes and crustaceous replacing fruticose lichens. Altogether, these results sustain the temperature-physiographic hypothesis to explain the species richness decrease along the altitudinal gradient: the harsh climatic conditions of the alpine-nival belts act as a filter for species, but the diminishing diversity of microhabitats is also an important factor. Because cryptogams depend more on humidity than temperature and more on smaller microhabitats than vascular plants, the decrease of species richness is more gradual with elevation for bryophytes and lichens

Applied Resiliency and Suicide Prevention: a Strengths-based, Risk- Reduction Framework

Book Summary: This inspiring resource presents theories, findings, and interventions from Positive Suicidology, an emerging strengths-based approach to suicide prevention. Its synthesis of positive psychology and suicidology theories offers a science-based framework for promoting wellbeing to complement or, if appropriate, replace traditional deficit-driven theories and therapies used in reducing suicidal thoughts and behaviors. Coverage reviews interpersonal, intrapersonal, and societal risk factors for suicide, and identifies protective factors, such as hope and resilience, that can be enhanced in therapy. From there, chapters detail a palette of approaches and applications of Positive Suicidology, from the powerful motivating forces described in Self-Determination Theory to meaning-building physical and social activities. Among the topics covered: Future-oriented constructs and their role in suicidal ideation and enactment. Gratitude as a protective factor for suicidal ideation and behavior: theory and evidence. Considering race and ethnicity in the use of positive psychological approaches to suicide. The Six R’s framework as mindfulness for suicide prevention. Community-based participatory research and empowerment for suicide prevention. Applied resiliency and suicide prevention: a strengths-based, risk-reduction framework. Psychotherapists, counselors, social workers, psychiatrists, and health psychologists, as well as educators, clergy and healthcare professionals, will find A Positive Psychological Approach to Suicide an invaluable source of contemporary evidence-based strategies for their prevention and intervention efforts with suicidal clients