Connecting plant evolutionary history and human well-being at Mt. Kilimanjaro, Tanzania

2020 ◽  
Vol 194 (4) ◽  
pp. 397-409
Author(s):  
Rafael Molina-Venegas ◽  
Markus Fischer ◽  
Neduvoto Piniel Mollel ◽  
Andreas Hemp
Keyword(s):  
Human Disturbance ◽  
Anthropogenic Disturbance ◽  
Evolutionary History ◽  
Phylogenetic Diversity ◽  
Well Being ◽  
Useful Plants ◽  
Negative Effect ◽  
Living Organisms ◽  
Evolutionary Lineages ◽  
Diversity Metrics

Abstract Evolution is the source of all living organisms and hence the foundation for the ecosystem services that are directly supported by biodiversity. However, explicit connections between evolutionary history and human well-being are barely explored. Here, we focus on ethnobotanical data from Mt. Kilimanjaro (Tanzania) to identify significant associations between plant evolutionary lineages and six previously recognized usage guilds in the mountain (i.e. fodder, building material, fuelwood, food, ornamental/shading and traditional medicine), and further characterize the degree of phylogenetic overlap between the guilds using beta diversity metrics. In addition, we also explore how phylogenetic diversity of usage guilds varied along elevation and between natural and anthropized habitats. Our results suggest that the inhabitants of Mt. Kilimanjaro rely on multiple and deep lineages that specifically provide a certain type of service, supporting the notion that an increased number of lineages captures more current biodiversity benefits. However, we also found a few lineages that provided multiple benefits, indicating that particular efforts should be pursued in preserving individual multi-functional lineages of the phylogeny. Elevation was the most important factor explaining phylogenetic diversity of useful plants, whereas the effect of anthropogenic disturbance was comparatively weak. However, after controlling for the effect of elevation, a moderate negative effect of human disturbance was revealed, particularly for medicinal plants. Phylogenetic diversity of most guilds showed hump-shaped curves with elevation, revealing a major reservoir of useful plant lineages in the highly threatened montane forests of Mt. Kilimanjaro.

scholarly journals Evolutionary history is a powerful means to evince significant levels of plant services for humankind

2020 ◽  
Author(s):  
Rafael Molina-Venegas ◽  
Miguel Rodriguez ◽  
Manuel Pardo-de-Santayana ◽  
Cristina Ronquillo ◽  
David J. Mabberley
Keyword(s):  
Evolutionary History ◽  
Phylogenetic Diversity ◽  
Vascular Plant ◽  
Well Being ◽  
Quantitative Evidence ◽  
Plant Use ◽  
Plant Phylogeny ◽  
The World ◽  
Powerful Means ◽  
Empirical Foundation

Abstract The divergent nature of evolution suggests that securing the human benefits that are directly provided by biodiversity may require counting on disparate lineages of the Tree of Life. However, quantitative evidence connecting evolutionary history to human well-being is still surprisingly tenuous. Here, we drew on a global review of plant-use records and the most comprehensive vascular plant phylogeny available demonstrating that, at any sample size, maximum levels of phylogenetic diversity captured significantly greater numbers of plant-use records than random selection, both globally and across the main continental regions of the world. Our study establishes an empirical foundation that links evolutionary history to human well-being, and it will serve as a discussion baseline to promote better-grounded accounts of the services that are directly provided by biodiversity.

Phylogenetic diversity metrics for ecological communities: integrating species richness, abundance and evolutionary history

2010 ◽  
Vol 13 (1) ◽  
pp. 96-105 ◽  
Author(s):  
Marc W. Cadotte ◽  
T. Jonathan Davies ◽  
James Regetz ◽  
Steven W. Kembel ◽  
Elsa Cleland ◽  
...  
Keyword(s):  
Species Richness ◽  
Evolutionary History ◽  
Phylogenetic Diversity ◽  
Ecological Communities ◽  
Diversity Metrics

scholarly journals Evolutionary history and past climate change shape the distribution of genetic diversity in terrestrial mammals

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Spyros Theodoridis ◽  
Damien A. Fordham ◽  
Stuart C. Brown ◽  
Sen Li ◽  
Carsten Rahbek ◽  
...  
Keyword(s):  
Climate Change ◽  
Genetic Diversity ◽  
Evolutionary History ◽  
Phylogenetic Diversity ◽  
Intraspecific Diversity ◽  
Past Climate ◽  
Terrestrial Mammals ◽  
Negative Effect ◽  
Global Patterns ◽  
Mammal Assemblages

Abstract Knowledge of global patterns of biodiversity, ranging from intraspecific genetic diversity (GD) to taxonomic and phylogenetic diversity, is essential for identifying and conserving the processes that shape the distribution of life. Yet, global patterns of GD and its drivers remain elusive. Here we assess existing biodiversity theories to explain and predict the global distribution of GD in terrestrial mammal assemblages. We find a strong positive covariation between GD and interspecific diversity, with evolutionary time, reflected in phylogenetic diversity, being the best predictor of GD. Moreover, we reveal the negative effect of past rapid climate change and the positive effect of inter-annual precipitation variability in shaping GD. Our models, explaining almost half of the variation in GD globally, uncover the importance of deep evolutionary history and past climate stability in accumulating and maintaining intraspecific diversity, and constitute a crucial step towards reducing the Wallacean shortfall for an important dimension of biodiversity.

Social Motives Predict Loneliness During a Developmental Transition

2017 ◽  
Vol 76 (4) ◽  
pp. 145-153 ◽  
Author(s):  
Jana Nikitin ◽  
Alexandra M. Freund
Keyword(s):  
Social Relationships ◽  
Well Being ◽  
Social Avoidance ◽  
Social Approach ◽  
Social Motives ◽  
Developmental Transitions ◽  
Avoidance Motivation ◽  
Negative Effect ◽  
Low Levels

Abstract. Establishing new social relationships is important for mastering developmental transitions in young adulthood. In a 2-year longitudinal study with four measurement occasions (T1: n = 245, T2: n = 96, T3: n = 103, T4: n = 85), we investigated the role of social motives in college students’ mastery of the transition of moving out of the parental home, using loneliness as an indicator of poor adjustment to the transition. Students with strong social approach motivation reported stable and low levels of loneliness. In contrast, students with strong social avoidance motivation reported high levels of loneliness. However, this effect dissipated relatively quickly as most of the young adults adapted to the transition over a period of several weeks. The present study also provides evidence for an interaction between social approach and social avoidance motives: Social approach motives buffered the negative effect on social well-being of social avoidance motives. These results illustrate the importance of social approach and social avoidance motives and their interplay during developmental transitions.

Narrative as active inference

2020 ◽  
Author(s):  
Nabil Bouizegarene ◽  
maxwell ramstead ◽  
Axel Constant ◽  
Karl Friston ◽  
Laurence Kirmayer
Keyword(s):  
Well Being ◽  
Social Practices ◽  
Human Adaptation ◽  
Active Inference ◽  
Future Projection ◽  
Future Developments ◽  
The Social ◽  
Parsimonious Model ◽  
Living Organisms ◽  
Theory Research

The ubiquity and importance of narratives in human adaptation has been recognized by many scholars. Research has identified several functions of narratives that are conducive to individuals’ well-being and adaptation as well as to coordinated social practices and enculturation. In this paper, we characterize the social and cognitive functions of narratives in terms of the framework of active inference. Active inference depicts the fundamental tendency of living organisms to adapt by creating, updating, and maintaining inferences about their environment. We review the literature on the functions of narratives in identity, event segmentation, episodic memory, future projection, storytelling practices, and enculturation. We then re-cast these functions of narratives in terms of active inference, outlining a parsimonious model that can guide future developments in narrative theory, research, and clinical applications.

Assessing Emotional Well-Being as a Result of Quarantining During the COVID-19 Pandemic (Preprint)

2020 ◽  
Author(s):  
Andrea Breanne Wilson ◽  
Will Althoff
Keyword(s):  
Social Interaction ◽  
Negative Affect ◽  
Social Isolation ◽  
Well Being ◽  
Positive And Negative Affect ◽  
Negative Effect ◽  
Negative Impacts

UNSTRUCTURED Emotional well-being can be negatively impacted by lack of social interaction. This study examined the effects of social isolation on emotional well-being. Respondents filled out a weekly survey for a period of 10 weeks, reporting their positive and negative affect (PANAS-X) and the effects of quarantine on their emotional well-being. Results indicate that quarantining had a negative effect on respondents’ emotional well-being. Activites and outings, suggested by the CDC, could potentially decrease the negative impacts of quarantine.

scholarly journals Furloughs, Teleworking and Other Work Situations during the COVID-19 Lockdown: Impact on Mental Well-Being

2021 ◽  
Vol 18 (6) ◽  
pp. 2898
Author(s):  
Israel Escudero-Castillo ◽  
Fco. Javier Mato-Díaz ◽  
Ana Rodriguez-Alvarez
Keyword(s):  
Mental Health ◽  
Ad Hoc ◽  
Well Being ◽  
The Self ◽  
Exogenous Shock ◽  
Work Location ◽  
Negative Effect ◽  
Market Status ◽  
Mental Well Being ◽  
Labour Market Status

As a consequence of the Spring 2020 lockdown that occurred in Spain due to the COVID-19 pandemic, many people lost their jobs or had to be furloughed. The objective of this study is to analyse the influence of the latter changes in labour market status on psychological well-being. For this purpose, an ad-hoc questionnaire featuring socio-demographic and mental health criteria was created. Granted that the pandemic can be viewed as an exogenous shock, the bias caused by the bidirectional problems between the work situation and mental well-being can be tackled. Results indicate that the lockdown exerted a greater negative effect on the self-perceived well-being of unemployed and furloughed persons than on those in employment. Moreover, among those in continuous employment, teleworkers experienced a lesser degree of self-perceived well-being post lockdown as compared to those people remaining in the same work location throughout the COVID-19 crisis. Finally, the lockdown provoked worse effects on the self-perceived well-being of women as compared to men, a result that appears to be related to gender differences in household production. In conclusion, these results could be especially relevant given that the evolution of the pandemic is having ongoing effects on employment and, therefore, on the mental health of workers.

scholarly journals Psychological Consequences of the Delay in the Silent Mentor Programme During the COVID-19 Pandemic: Perspectives From Family Members of Silent Mentors

2021 ◽  
pp. 003022282110009
Author(s):  
Li Ping Wong ◽  
Sik Loo Tan ◽  
Haridah Alias ◽  
Thiam Eng Sia ◽  
Aik Saw
Keyword(s):  
Mental Health ◽  
Qualitative Interviews ◽  
Psychological Impact ◽  
Family Members ◽  
Well Being ◽  
The Body ◽  
Functional Health ◽  
Psychological Consequences ◽  
Negative Effect ◽  
Health And Well Being

The COVID-19 pandemic has put a hold on the Silent Mentor Programme (SMP); this pause has not only caused unprecedented challenges for the delivery of medical education but has forced changes in the programme ceremony sessions. We aimed to describe the psychological impact and experiences of family members of silent mentors during the COVID-19 pandemic using qualitative interviews. Many expressed feelings of remorse and unrest about the unprecedented delay of the SMP. The delay increased negative emotions particularly among some elderly family members; however, there was no prominent negative effect on their functional health and well-being. Several participants relayed the belief that the soul cannot rest until the body receives a proper burial while some worried about the deterioration of the physical condition of the mentors. In conclusion, findings provide insights into the importance of not overlooking the mental health implications of delaying the SMP in future outbreaks or crises.

scholarly journals Potential and Limitations of Grasslands α-Diversity Prediction Using Fine-Scale Hyperspectral Imagery

2021 ◽  
Vol 13 (14) ◽  
pp. 2649
Author(s):  
Hafiz Ali Imran ◽  
Damiano Gianelle ◽  
Michele Scotton ◽  
Duccio Rocchini ◽  
Michele Dalponte ◽  
...  
Keyword(s):  
Species Richness ◽  
Well Being ◽  
Hyperspectral Data ◽  
Hyperspectral Images ◽  
Grassland Species ◽  
Biodiversity Indices ◽  
Grassland Ecosystems ◽  
Natural Grasslands ◽  
Α Diversity ◽  
Diversity Metrics

Plant biodiversity is an important feature of grassland ecosystems, as it is related to the provision of many ecosystem services crucial for the human economy and well-being. Given the importance of grasslands, research has been carried out in recent years on the potential to monitor them with novel remote sensing techniques. In this study, the optical diversity (also called spectral diversity) approach was adopted to check the potential of using high-resolution hyperspectral images to estimate α-diversity in grassland ecosystems. In 2018 and 2019, grassland species composition was surveyed and canopy hyperspectral data were acquired at two grassland sites: Monte Bondone (IT-MBo; species-rich semi-natural grasslands) and an experimental farm of the University of Padova, Legnaro, Padua, Italy (IT-PD; artificially established grassland plots with a species-poor mixture). The relationship between biodiversity (species richness, Shannon’s, species evenness, and Simpson’s indices) and optical diversity metrics (coefficient of variation-CV and standard deviation-SD) was not consistent across the investigated grassland plant communities. Species richness could be estimated by optical diversity metrics with an R = 0.87 at the IT-PD species-poor site. In the more complex and species-rich grasslands at IT-MBo, the estimation of biodiversity indices was more difficult and the optical diversity metrics failed to estimate biodiversity as accurately as in IT-PD probably due to the higher number of species and the strong canopy spatial heterogeneity. Therefore, the results of the study confirmed the ability of spectral proxies to detect grassland α-diversity in man-made grassland ecosystems but highlighted the limitations of the spectral diversity approach to estimate biodiversity when natural grasslands are observed. Nevertheless, at IT-MBo, the optical diversity metric SD calculated from post-processed hyperspectral images and transformed spectra showed, in the red part of the spectrum, a significant correlation (up to R = 0.56, p = 0.004) with biodiversity indices. Spatial resampling highlighted that for the IT-PD sward the optimal optical pixel size was 1 cm, while for the IT-MBo natural grassland it was 1 mm. The random pixel extraction did not improve the performance of the optical diversity metrics at both study sites. Further research is needed to fully understand the links between α-diversity and spectral and biochemical heterogeneity in complex heterogeneous ecosystems, and to assess whether the optical diversity approach can be adopted at the spatial scale to detect β-diversity. Such insights will provide more robust information on the mechanisms linking grassland diversity and optical heterogeneity.

Psychisch welzijn tijdens werkloosheid: de rol van persoonlijkheid en perceptie van tijdsstructuur

2011 ◽  
Vol 24 (3) ◽  
Author(s):  
Hanne Lootens ◽  
Greet Van Hoye
Keyword(s):  
Big Five ◽  
Well Being ◽  
Time Structure ◽  
Psychological Well Being ◽  
Unemployed People ◽  
Sense Of Purpose ◽  
Use Of Time ◽  
Negative Effect ◽  
Perception Of Time

Psychological well-being during unemployment: the role of personality and perception of time structure Psychological well-being during unemployment: the role of personality and perception of time structure Gedrag & Organisatie, volume 24, September 2011, nr. 3, pp. 207-232.Unemployed people report lower levels of psychological well-being than employed individuals. However, when unemployed individuals perceive their use of time to be structured and purposive, this negative effect of unemployment on psychological well-being is reduced. This study investigated whether personality – as measured by the Big Five framework – determined the perception of time structure. In a sample of 231 Flemish unemployed people, we found that the more sense of purpose and present orientation individuals showed, the higher their psychological well-being was. Concerning the relation between personality and the perception of time structure, unemployed people with more openness to experience reported less sense of purpose. More conscientious individuals showed more sense of purpose, routine, organization, and present orientation. More neurotic individuals perceived less sense of purpose and present orientation. Finally, more neurotic unemployed individuals with more openness for experience showed lower psychological well-being, due to their lower perception of time structure.

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