bluuebunny/crossref_metadata_2025 huggingface dataset:
Differences in dehydration tolerance among populations of a gametophyte‐only fern
Authors: Chambers Sally M. , Watkins J. E. , Sessa Emily B.
Published: April 2017

PREMISE OF THE STUDY:

For many plant species, historical climatic conditions may have left lasting imprints that are detectable in contemporary populations. Additionally, if these historical conditions also prevented gene flow among populations, these populations may be differentiated with respect to one another and their contemporary environmental conditions. For the fern, Vittaria appalachiana, one theory is that historical conditions during the Pleistocene largely shaped both the distribution and lack of sporophyte production. Our goals—based on this theory—were to examine physiological differences among and within populations spanning the species’ geographic range, and the contribution of historical climatic conditions to this differentiation.

METHODS:

We exposed explants from five populations to four drying treatments and examined differences in physiological response. Additionally, we examined the role of historical and current climatic conditions in driving the observed population differentiation.

KEY RESULTS:

Populations differ in their ability to tolerate varying levels of dehydration, displaying a pattern of countergradient selection. Exposure to historical and contemporary climatic conditions, specifically variation in temperature and precipitation regimes, resulted in population divergence observed among contemporary populations.

CONCLUSIONS:

Historical conditions have shaped not only the distribution of V. appalachiana, but also its current physiological limitations. Results from this study support the hypothesis that climatic conditions during the Pleistocene are responsible for the distribution of this species, and may be responsible for the observed differences in dehydration tolerance. Additionally, dehydration tolerance may be the driving factor for previously reported patterns of countergradient selection in this species.
The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey
Authors: Butler R. Paul , Vogt Steven S. , Laughlin Gregory , Burt Jennifer A. , Rivera Eugenio J. , Tuomi Mikko , Teske Johanna , Arriagada Pamela , Diaz Matias , Holden Brad , Keiser Sandy
Published: April 2017

We describe a 20 year survey carried out by the Lick-Carnegie Exoplanet Survey Team (LCES), using precision radial velocities from HIRES on the Keck I telescope to find and characterize extrasolar planetary systems orbiting nearby F, G, K, and M dwarf stars. We provide here 60,949 precision radial velocities for 1624 stars contained in that survey. We tabulate a list of 357 significant periodic signals that are of constant period and phase, and not coincident in period and/or phase with stellar activity indices. These signals are thus strongly suggestive of barycentric reflex motion of the star induced by one or more candidate exoplanets in Keplerian motion about the host star. Of these signals, 225 have already been published as planet claims, 60 are classified as significant unpublished planet candidates that await photometric follow-up to rule out activity-related causes, and 54 are also unpublished, but are classified as “significant” signals that require confirmation by additional data before rising to classification as planet candidates. Of particular interest is our detection of a candidate planet with

, and P = 9.9 days orbiting Lalande 21185, the fourth-closest main-sequence star to the Sun. For each of our exoplanetary candidate signals, we provide the period and semi-amplitude of the Keplerian orbital fit, and a likelihood ratio estimate of its statistical significance. We also tabulate 18 Keplerian-like signals that we classify as likely arising from stellar activity.
A Search of Reactivated Comets
Authors: Ye 叶 Quan-Zhi 泉志
Published: April 2017

Dormant or near-dormant short-period comets can unexpectedly regain the ability to eject dust. In many known cases, the resurrection is short-lived and lasts less than one orbit. However, it is possible that some resurrected comets can remain active in later perihelion passages. We search the archival images of various facilities to look for these “reactivated” comets. We identify two candidates, 297P/Beshore and 332P/Ikeya–Murakami, both of which were found to be inactive or weakly active in the previous orbit before their discovery. We derive a reactivation rate of

, which implies that typical short-period comets only become temporarily dormant a few times or less. Smaller comets are prone to rotational instability and may undergo temporary dormancy more frequently. Next generation high-cadence surveys may find more reactivation events of these comets.
Magnetars in Ultra-Long Gamma-Ray Bursts and GRB 111209A
Authors: Gompertz B. , Fruchter A.
Published: April 2017

Supernova 2011kl, associated with the ultra-long gamma-ray burst (ULGRB) 111209A, exhibited a higher-than-normal peak luminosity, placing it in the parameter space between regular supernovae and super-luminous supernovae. Its light curve can only be matched by an abnormally high fraction of 56Ni that appears inconsistent with the observed spectrum, and as a result it has been suggested that the supernova, and by extension the gamma-ray burst, are powered by the spin-down of a highly magnetized millisecond pulsar, known as a magnetar. We investigate the broadband observations of ULGRB 111209A and find two independent measures that suggest a high density circumburst environment. However, the light curve of the GRB afterglow shows no evidence of a jet break (the steep decline that would be expected as the jet slows due to the resistance of the external medium) out to three weeks after trigger, implying a wide jet. Combined with the high isotropic energy of the burst, this implies that only a magnetar with a spin period of ∼1 ms or faster can provide enough energy to power both ULGRB 111209A and Supernova 2011kl.
XMM-Newton X-Ray Observations of LkCa 15: A T Tauri Star with a Formative Planetary System
Authors: Skinner Stephen L. , Güdel Manuel
Published: April 2017

High-resolution ground-based images of the T Tauri star LkCa 15 have revealed multiple companions that are thought to comprise a formative planetary system. The candidate protoplanets orbit at distances of ∼15–20 au within the dust-depleted inner region of the circumstellar disk. Because of its young age (∼1–4 Myr), LkCa 15 provides a benchmark system for testing planet-formation models. We detected LkCa 15 as a bright X-ray source in a short 10 ks Chandra observation in 2009. We report here new results obtained from a deeper 37 ks XMM-Newton observation in 2014. The new data provide better sampling in the time domain and improved sensitivity at low energies below 1 keV. Spectral fits with thermal emission models require at least two temperature components at kT
cool ≈ 0.4 keV and kT
hot ≈ 2.2 keV. The value of kT
hot is about a factor of two less than inferred from Chandra, suggesting that the hot-component temperature is variable. The best-fit absorption column density is in good agreement with that expected from optical extinction estimates

 ≈ 1.3–1.7 mag. The intrinsic X-ray luminosity is L

x
(0.2–10 keV) = 3 × 1030 erg s−1. Estimates of the X-ray heating rate of the inner disk and protoplanets are sensitive to the assumed disk gas surface density for which recent ALMA observations give estimates

∼102 g cm−2 at 1 au from the star. At such densities, X-ray heating is confined mainly to the upper disk layers and X-ray penetration through the disk midplane to the protoplanets at r ≈ 15–20 au is negligible.
Discovery and Physical Characterization of a Large Scattered Disk Object at 92 au
Authors: Gerdes D. W. , Sako M. , Hamilton S. , Zhang K. , Khain T. , Becker J. C. , Annis J. , Wester W. , Bernstein G. M. , Scheibner C. , Zullo L. , Adams F. , Bergin E. , Walker A. R. , Mueller J. H. , Abbott T. M. C. , Abdalla F. B. , Allam S. , Bechtol K. , Benoit-Lévy A. , Bertin E. , Brooks D. , Burke D. L. , Rosell A. Carnero , Kind M. Carrasco , Carretero J. , Cunha C. E. , Costa L. N. da , Desai S. , Diehl H. T. , Eifler T. F. , Flaugher B. , Frieman J. , García-Bellido J. , Gaztanaga E. , Goldstein D. A. , Gruen D. , Gschwend J. , Gutierrez G. , Honscheid K. , James D. J. , Kent S. , Krause E. , Kuehn K. , Kuropatkin N. , Lahav O. , Li T. S. , Maia M. A. G. , March M. , Marshall J. L. , Martini P. , Menanteau F. , Miquel R. , Nichol R. C. , Plazas A. A. , Romer A. K. , Roodman A. , Sanchez E. , Sevilla-Noarbe I. , Smith M. , Smith R. C. , Soares-Santos M. , Sobreira F. , Suchyta E. , Swanson M. E. C. , Tarle G. , Tucker D. L. , Zhang Y. ,   (DES Collaboration)
Published: April 2017

We report the observation and physical characterization of the possible dwarf planet 2014 UZ224 (“DeeDee”), a dynamically detached trans-Neptunian object discovered at 92 au. This object is currently the second-most distant known trans-Neptunian object with reported orbital elements, surpassed in distance only by the dwarf planet Eris. The object was discovered with an r-band magnitude of 23.0 in data collected by the Dark Energy Survey between 2014 and 2016. Its 1140 year orbit has

. It will reach its perihelion distance of 38 au in the year 2142. Integrations of its orbit show it to be dynamically stable on Gyr timescales, with only weak interactions with Neptune. We have performed follow-up observations with ALMA, using 3 hr of on-source integration time to measure the object’s thermal emission in the Rayleigh–Jeans tail. The signal is detected at 7σ significance, from which we determine a V-band albedo of

percent and a diameter of

, assuming a spherical body with uniform surface properties.
Dans le miroir de l’envie
Authors: Angélopoulos Anna
Published: April 2017

La notion de l’envie est reliée ici à des matériaux mythiques, transmis par le conte oral ou par les mythes intemporels. Nous avons constitué un ensemble d’images symboligènes autour de l’envie haineuse afin d’élaborer notre pensée clinique. Le conte de Blanche-Neige est pris ici comme paradigme de l’envie entre mère et fille. Il est habituellement connu sous sa forme écrite (des frères Grimm). Mais il existe un grand nombre de versions orales populaires qui mettent au jour des contenus archaïques latents. De ces contenus, se dégage, de manière récurrente, la permanence d’une « configuration ambivalente » de la mère, faite d’amour-haine. Cette configuration peut servir d’outil de pensée dans certaines cures, lors des transformations vitales qui impliquent des remaniements psychiques conséquents (puberté, initiation amoureuse, accouchement). Ce dispositif de l’ambivalence fait effet de transmission pour la jeune fille, quand elle est amenée à en user les deux faces, amour et haine, afin de se créer pour elle-même un espace psychique où le féminin n’est pas menacé par le maternel archaïque. Cette constatation est reprise dans un exemple clinique.
La perle empoisonnée de l’envie
Authors: Gendre-Dusuzeau Sylvette
Published: April 2017

Le conte, en particulier le conte populaire oral, expression de pensées collectives inconscientes, révèle des fonctionnements psychiques et des fantasmatiques mettant en scène les registres de l’archaïque et du primaire, au fondement de la structuration de l’être humain. Dans ce texte, il s’agit, autour du thème de l’envie, à entendre dans son aspect psychique de construction de l’objet, d’établir des correspondances entre certains aspects singuliers de la clinique en résonance avec les réponses que le conte propose. Deux contes, l’un littéraire et l’autre oral, centrés sur l’envie maternelle pour un objet magique de la fille, dramatisent l’emprise maternelle avec le déclenchement de son envie haineuse. Quelques fragments cliniques, centrés sur l’effet douloureux d’un « voir » qui suscite un déclenchement des passions, sont présentés à la suite, en écho aux représentations apportées par les matériaux fictionnels présentés.
Outils géomatiques et apprentissages en géographie : quels enjeux du point de vue de la recherche en éducation ?
Authors: Genevois Sylvain
Published: April 2017

L’impact des technologies numériques sur les apprentissages est une question récurrente qui ne concerne pas le seul champ de la géographie enseignée, mais mérite d’être élargie aux méthodes et aux résultats de la recherche en éducation. Les outils géomatiques qui permettent de visualiser et traiter d’importantes masses d’informations géographiques commencent à être intégrés dans l’enseignement de la géographie, ce qui appelle une réflexion sur les démarches d’apprentissage à mobiliser. Dans cet article, il s’agit d’interroger le potentiel pédagogique et didactique des outils géomatiques considérés comme des outils de cognition spatiale, dans la perspective d’une nouvelle éducation géographique fondée sur l’agir spatial.
Geopolitics of Sino-Indian Transboundary Water Management in the Yarlung Tsangpo and the Brahmaputra
Authors: Rahman Mirza Zulfiqur
Published: April 2017

Pourquoi les questions transfrontalières relatives à l’eau sont-elles perçues par la Chine et l’Inde davantage comme conflictuelles que comme bases d’un développement mutuel ? La coopération pourrait aider à résoudre les problèmes de territorialité et les enjeux géopolitiques de la région et des deux pays. L’étude se base sur un cas de coopération entre les deux pays et détaille les bénéfices pour les relations sino-indiennes. Après une revue de littérature sur le cas d’étude, le système fluvial du Yarlung Tsangpo-Brahmaputra, l’article énoncé les différentes conditions d’une gestion transfrontalière sino-indienne..
Entre régulation environnementale privée et institutions publiques : les effets mitigés de la certification forestière communautaire en Amazonie
Authors: Lemeilleur Sylvaine , Piketty Marie-Gabrielle , Garcia Drigo Isabel , de Aquino Evandro Araujo
Published: April 2017

Nous analysons les effets de la certification Forest Stewardship Council sur les communautés forestières au Brésil, en tenant compte des dynamiques sociales et institutionnelles préexistantes. Nos enquêtes montrent que l’adoption de la certification forestière par les petits exploitants peut apparaître plutôt rentable à court terme. Cependant, une mauvaise articulation entre cette régulation privée et les institutions publiques existantes rend ce dispositif difficilement soutenable à long terme.
Les réseaux du chaos
Authors: de Biasi Pierre-Marc , Schmelck Clara
Published: April 2017

Le hashtag, nerf de la guerre. Du compassionnel #JeSuisCharlie de 2015 à l’agressif #Nice_Attack qui glorifie le carnage du 14 juillet, il se pourrait bien que, sur ce terrain aussi, Daech (#ISIS, #EI, #Daech) ait pris une longueur d’avance sur les démocraties.
La guerre au sein des populations
Authors: Desportes Général Vincent
Published: April 2017

Autrefois la guerre séparait le militaire du civil, comme le front de l’arrière. Désormais, quand il doit combattre au milieu des populations, le soldat doit apprendre à maitriser sa puissance pour accroître son influence.
Quand la victoire se défile
Authors: Kempf Olivier
Published: April 2017

Que la guerre était simple quand il suffisait d’imposer la paix au vaincu. Après la dissuasion, la supposée cyberguerre, et le djihad sans fin, la victoire n’est jamais acquise.
L’histoire jugera
Authors: Conesa Pierre
Published: April 2017

Vaincre, c’est annexer la postérité. Qui perd vendredi dimanche triomphera.
Déboulonnades
Authors: Sicard Monique
Published: April 2017

Le bronze est censé immortaliser la victoire. Mais toute statue est destinée à être un jour abattue, rarement relevée et plus surement vouée à l’oubli.
Réduire au silence
Authors: Dumas Robert
Published: April 2017

Le vainqueur impose le silence au vaincu. À moins qu’il l’oblige à se confesser. Soumis au questionnaire l’écrivain Ernst Von Salomon riposte par l’ironie.
What place should compromise be given in democracy? A reflection on Hans Kelsen’s contribution
Authors: Baume Sandrine
Published: April 2017

Cet article se concentre sur les justifications d’une pratique élargie du compromis en démocratie, telles qu’elles sont produites par Hans Kelsen. Dans un premier temps, nous avons dégagé les composantes et fonctions du compromis en démocratie, telles qu’elles s’expriment dans les travaux kelséniens, tels que Allgemeine Staatslehre, The Essence and Value of Democracy et General Theory of Law and State . Dans la seconde partie, nous avons traité les questions contemporaines qui émergent eu égard à sa défense enthousiaste du compromis et à la place particulière que Kelsen confère à cette notion dans sa théorie de la démocratie.
« Ce meurtre est tout ce qui me reste de ma vertu. » (Lorenzaccio)
Authors: Drossart Francis
Published: April 2017

À travers l’étude du drame Lorenzaccio , comparé à celui de George Sand Une conspiration en 1537  dont s’est fortement inspiré Musset, nous étudions la spécificité du mobile du crime chez ce dernier auteur. À la différence du personnage de Sand, qui tue par désir de vengeance et de faire valoir son bon droit, celui de Musset tue pour maintenir une dernière fois ce qui lui reste encore d’ identité , sans aucun espoir pour la suite. Nous avançons que la destinée de ce personnage, double du narrateur de la C onfession d’un enfant du siècle , est sous le poids d’un fantasme de matricide .
La jalousie pousse-au-crime
Authors: Evzonas Nicolas
Published: April 2017

Cet article vise à explorer, avec l’aide de la psychanalyse, le crime en tant que destin extrême de la jalousie, à travers diverses figurations artistiques dans la littérature et le cinéma. En premier lieu, sont examinées deux versions névroticoformes de la fureur possessive, une féminine, l’autre masculine, aboutissant au crime passionnel. Ensuite, est abordée la jalousie criminelle à enjeu spéculaire, de type psychotique, exprimant un malaise identitaire. Enfin, sont appréhendées les possibilités hédoniques auxquelles ouvre le crime de jalousie, qui se situeraient dans un « au-delà du principe de plaisir ». En guise de conclusion, l’art est proposé en tant qu’antidote à la tentation universelle à revendiquer le droit de faire exception à la loi sous prétexte d’une injustice subie.
Phytoremediation of Chromium: Distribution and Speciation of Chromium in Typha angustifolia
Authors: Vidayanti Viky , Choesin Devi , Iriawati Iriawati
Published: April 2017

Chromium (Cr), especially in hexavalent chromium [Cr(VI)] may contaminate water or soil and cause detrimental effects, as it is potentially carcinogenic and teratogenic. Phytoremediation using plants such as Typha angustifolia provides an alternative approach for handling Cr waste. The objective of this study was to determine the mechanism of Cr accumulation in T. angustifolia. Hydroponic media containing T. angustifolia was added with 0, 1, 5, 10 and 20 ppm of Cr (VI) (K2Cr2O7). After 15 days of treatment, distribution and speciation of Cr in roots and shoots of T. angustifolia were analyzed using XAS and μ-XRF. Results showed that Cr was detected in almost all parts of root and shoot at different intensities. Intensities of Cr was higher in roots (especially in the vascular bundle) than in shoot. Cr speciation in the root and shoot was found as trivalent chromium [Cr(III)] which formed as a result of Cr(VI) reduction. Based on the patterns of Cr distribution and speciation, results of this study suggest that T. angustifolia in this study does not reduce Cr(VI) to become Cr(III) inside the plants.
Genetic Variation Analysis of Superior Cotton Varieties of Gossypium hirsutum through Microsatellite Markers
Authors: Nuraida Dede , Abdurrajak Yusuf , Amin Moh , Hastutik Utami
Published: April 2017

This study was conducted in order to obtain information on genetic variation in populations rated as superior cotton (Gossypium hirsutum L.) varieties in Balittas Malang, Indonesia. The samples used 10 varieties of cotton Kanesia series and 2 other superior varieties that are LRA 5166 and ISA 205A. Indicators of genetic diversity are the number of alleles per locus, allele frequencies, and heterozygosity values. DNA was isolated from the leaves of 3- week-old seedlings using the CTAB method. Amplification was performed using 5 SSRs primer pairs of the JESPR series. The results showed five microsatellite loci, yielding 12 alleles with a size range of 80–500 bp, with an average number of alleles per locus of 4.60. The average values of heterozygosity of the five loci was high, at 0.71. Based on the number of alleles, allele frequencies and heterozygosity values, the genetic variation sampled in the superior cotton varieties studied here is quite high.
First vertical derivative of magnetic anomalies map, Canada
Authors: Miles W F , Oneschuk D
Published: April 2017

The first vertical derivative of magnetic anomalies map of Canada shows small variations in the magnetic field. The derivative is calculated from the residual magnetic field and enhances the short wavelength component of the field. The magnetic character of a
rock depends on its composition and its deformational and metamorphic history. To map these variations, the Geological Survey of Canada has been acquiring aeromagnetic data since 1947. Over the years, more than 500 surveys have been carried out, generally with a flight-line spacing of 800 m and an
altitude of 305 m above the ground. These aeromagnetic surveys have been levelled to each other to correct for arbitrary datums, slow variations of Earth's magnetic field over time, and differing survey specifications. The dominant structural trends of geological provinces, truncation of those
trends at structural boundaries, and the characteristic patterns of suture zones can be recognized on the magnetic anomaly map. The magnetic signature of Precambrian basement rocks can be seen through the Phanerozoic sedimentary basin cover. Major dyke swarms can be traced over hundreds of
kilometres from their radiating linear magnetic pattern. Oceanic crust has a characteristic striped magnetic pattern that is due to changes in the polarity of Earth's magnetic field, which occur over intervals of millions of years.
A proposed monitoring and evaluation curriculum based on a model that institutionalises monitoring and evaluation
Authors: Wotela Kambidima
Published: April 2017

Background: African politicians, bureaucrats and technocrats have thrown their weight in support of monitoring and evaluation (M&E). This weight has compelled training institutions to add M&E to their offerings. Most often at the end of these training programmes, attendees know what they have learnt but seem not to internalise it and, worse, they hardly ever put their newly acquired knowledge into practice. This allegation has led to what we term ‘monitoring and evaluation training hopping’ where participants move from one training to another hoping that they will eventually fully comprehend the skill and apply it to their work. This rarely happens and as such participants often blame themselves and yet the problem is with the training institutions that are teaching the middle-third tier (how to monitor and evaluate) as well as the bottom-third tier (data and information management). However, the top-third tier that links M&E to ‘the what’ and ‘the how’ as well as ‘the why’ in the development intervention and public policy landscape is missing.Objectives: To propose a M&E curriculum that institutionalises M&E within implementation and management of development interventions.Method: We use systems thinking to derive the key themes of our discussion and then apply summative thematic content analysis to interrogate M&E and related literature. Firstly, we present and describe a model that situates M&E within development and public policy. This model ‘idealises or realises’ an institutionalised M&E by systematically linking the contextual as well as key terms prominent in established descriptions of M&E. Secondly, we briefly describe M&E from a systems thinking approach by pointing out its components, processes, established facts, as well as issues and debates. Lastly, we use this model and the systems thinking description of M&E to propose an institutionalised M&E curriculum.Results: Our results show that for an explicit understanding of M&E, one needs to understand all three tiers of M&E. These are development interventions and public policy (top tier), M&E concepts, terminologies and logic (middle tier) and data collection and storage, data processing and analysis, reporting and some aspects of integrating the findings into planning, implementation and management (bottom tier).Conclusion: Unless we offer an all-round M&E training, we will not move beyond monitoring and evaluating development interventions for compliance.
Nurses’ knowledge, attitudes and practices regarding evidence-based practice in the prevention of mother-to-child transmission of HIV programme in Malawi
Authors: Mulenga Chisomo , Naidoo Joanne R.
Published: April 2017

Background: HIV continues to be a global public health concern with Malawi being among the worst affected countries. The prevalence of HIV among pregnant women is also very high, thereby raising concerns of mother-to-child transmission of the virus. Prevention of mother-to-child transmission (PMTCT) of HIV is therefore a priority in the efforts to curb the HIV pandemic. Keeping in mind that the area of HIV management is rapidly evolving, underpinning nursing care with evidence-based practice is essential and has been reported to reduce mother-to-child transmission.Objectives: The aim of the study was to explore and describe the knowledge, attitudes and practices of nurses regarding evidence-based practice in PMTCT at a selected hospital in Malawi.Methods: An exploratory descriptive quantitative design was used, and 81 nurses working in paediatric, obstetrics and gynaecology departments completed a self-administered questionnaire. Data were analysed using Predictive Analytics Software.Results: The results showed that nurses had average knowledge of evidence-based practice and although their attitudes were favourable, their practice was very low. Certain sociodemographic variables had an influence on the respondent’s knowledge, attitudes and practices. Furthermore, the results have indicated that evidence-based practice was mainly hampered by insufficient resources and difficulties in accessing research articles. It emerged from the study that mentoring, training and access to literature could facilitate evidence-based practice in PMTCT among nurses.Conclusion: Nurses need to be provided with the necessary support including education and resources if evidence-based practice in PMTCT is to be promoted.
The development of a talent management framework for the private sector
Authors: Van Zyl Ebben S. , Mathafena Rose B. , Ras Joyce
Published: April 2017

Orientation: Talent management is a strategic priority especially for profit-generating organisations in the private sector. Limited research has been conducted on the theoretical development of talent management. The need for talent management is also triggered by a need to align and integrate people management practices with those of the organisation in order to achieve strategic execution and operational excellence.Research purpose: The primary aim of the study was to develop a talent management framework for the private sector. The research proposed to conduct an in-depth exploration of talent management practices in key and leading organisations already in the mature stages of talent management implementation in South Africa.Motivation of the study: There is a need for the development of best practices in talent management – where talent management strategy is designed to deliver corporate and human resource management strategies. The formal talent management initiative would be linked to the human resources management function and will flow vertically from the corporate strategy-making process.Research approach, design and method: The modernist qualitative research approach was applied to the study. Data were collected through semi-structured interviews (18 persons were interviewed in total). Analytical induction method was instrumental in facilitating the overall data analysis, while constructivist grounded theory assisted with the operationalisation of the data analysis.Main findings: The study has mapped out key dimensions which are essential for the implementation of talent management. The dimensions of talent management are attraction, sourcing and recruitment, deployment and transitioning, growth and development, performance management, talent reviews, rewarding and recognising, engagement and retention. With each of the above-mentioned dimensions, the activities that are to be carried out to achieve the outcome of each dimension are specified.Practical and managerial implications: Role clarifications pertaining to talent management responsibilities and accountabilities are still unclear in most instances. Early identification of key role players and articulation of duties will lead to ownership and clear accountabilities for the successful implementation of talent management.Contribution/value add: The study brought to light critical factors for organisations in the private sector to consider for the successful implementation of an integrated, holistic and comprehensive talent management framework. The proposed framework guides talent management practices within companies in the private sector by highlighting activities to be carried out to achieve outcomes per talent management dimension.
Justice and the Missional Framework Document of the Dutch Reformed Church
Authors: Botha Jaco , Forster Dion A.
Published: April 2017

This article engages with the Missional Framework Document of the Dutch Reformed Church (DRC) from the perspectives of solidarity with the poor and justice for South African society. The democratic South Africa continues to face significant socio-economic problems and an increasingly dissatisfied population. In the light of this, the article presents an introductory conversation with the Missional Framework Document in order to ask whether it offers an adequate response to South Africa�s current contextual challenges. The lens through which this article will engage the Framework Document is the theological paradigm of justice, specifically the theory of justice presented by Nicholas Wolterstorff as well as some important contributions from contemporary South African scholars who advocate for a theology from the margins of society. It is contended that the DRC remains a predominantly white middle-class church. This social, economic and political location has an impact on the missional theology of the church as expressed in the Framework Document. Hence, we engage with the Missional Theology of the DRC by means of a paradigm that operates from the �underside� or the economic, political and social �margins� of South African society. We argue that any missional theology aimed at furthering God�s Kingdom in South Africa at present must develop in community with the marginalised majority of the nation. The critical engagement with the Framework Document will be done by sketching a theological landscape where current contextual realities are brought into relief against a kairos moment on which the efficacy of this church�s mission, indeed its public work and witness, is being called into question.Intradisciplinary and/or interdisciplinary implications: This interdisciplinary study in Systematic Theology and Ethics engages the missional theology found in the Missional Framework Document of the Dutch Reformed Church. Methodologically, the research advocates for a contextual engagement with the missional theology proposed by this important document. The outcome of this contextual theological consideration is an invitation for the Church to consider the ethics of justice as an important aspect of their approach to faithful Christian mission in the South African social, economic and political context.
Automating Clinical Score Calculation within the Electronic Health Record
Authors: Aakre Christopher , Dziadzko Mikhail , Keegan Mark , Herasevich Vitaly
Published: April 2017

Objectives: Evidence-based clinical scores are used frequently in clinical practice, but data collection and data entry can be time consuming and hinder their use. We investigated the programmability of 168 common clinical calculators for automation within electronic health records.

Methods: We manually reviewed and categorized variables from 168 clinical calculators as being extractable from structured data, unstructured data, or both. Advanced data retrieval methods from unstructured data sources were tabulated for diagnoses, non-laboratory test results, clinical history, and examination findings.

Results: We identified 534 unique variables, of which 203/534 (37.8%) were extractable from structured data and 269/534 (50.4.7%) were potentially extractable using advanced techniques. Nearly half (265/534, 49.6%) of all variables were not retrievable. Only 26/168 (15.5%) of scores were completely programmable using only structured data and 43/168 (25.6%) could potentially be programmable using widely available advanced information retrieval techniques. Scores relying on clinical examination findings or clinical judgments were most often not completely programmable.

Conclusion: Complete automation is not possible for most clinical scores because of the high prevalence of clinical examination findings or clinical judgments – partial automation is the most that can be achieved. The effect of fully or partially automated score calculation on clinical efficiency and clinical guideline adherence requires further study.

Citation: Aakre C, Dziadzko M, Keegan MT, Herasevich V. Automating clinical score calculation within the electronic health record: A feasibility assessment. Appl Clin Inform 2017; 8: 369–380 https://doi.org/10.4338/ACI-2016-09-RA-0149
Pseudo-proxy evaluation of Climate Field Reconstruction methods of
North Atlantic climate based on an annually resolved marine proxy network
Authors: Pyrina Maria , Wagner Sebastian , Zorita Eduardo
Published: April 2017

Abstract. Two statistical methods are tested to reconstruct the inter-annual variations of past sea surface temperatures (SSTs) of the North Atlantic (NA) Ocean over the past millennium, based on annually resolved and absolutely dated marine proxy records of the bivalve mollusk Arctica islandica. The methods are tested in a pseudo-proxy experiment (PPE) set-up using state-of-the-art climate models (CMIP5 Earth System Models) and reanalysis data from the COBE2 SST data set. The methods were applied in the virtual reality provided by global climate simulations and reanalysis data to reconstruct the past NA SSTs, using pseudoproxy records that mimic the statistical characteristics and network of Arctica islandica. The multivariate linear regression methods evaluated here are Principal Component Regression and Canonical Correlation Analysis. Differences in the skill of the Climate Field Reconstruction (CFR) are assessed according to different calibration periods and different proxy locations within the NA basin. The choice of the climate model used as surrogate reality in the PPE has a more profound effect on the CFR skill than the calibration period and the statistical reconstruction method. The differences between the two methods are clearer for the MPI-ESM model, due to its higher spatial resolution in the NA basin. The pseudo-proxy results of the CCSM4 model are closer to the pseudo-proxy results based on the reanalysis data set COBE2. The addition of noise in the pseudo-proxies is important for the evaluation of the methods, as more spatial differences in the reconstruction skill are revealed. More profound differences between methods are obtained when the number of proxy records is smaller than five, making the Principal Component Regression a more appropriate method in this case. Despite the differences, the results show that the marine network of Arctica islandica can be used to skilfully reconstruct the spatial patterns of SSTs at the eastern NA basin.
Spatiotemporal patterns and triggers of seismically detected rockfalls
Authors: Dietze Michael , Turowski Jens M. , Cook Kristen L. , Hovius Niels
Published: April 2017

Abstract. Rockfalls are an essential geomorphic process and an important natural hazard in steep landscapes across the globe. Seismic monitoring can provide precise information on the timing, location and event anatomy of rockfalls, parameters that are otherwise hard to constrain. By pairing data from 49 seismically detected rockfalls in the Lauterbrunnen Valley, Swiss Alps, with independent information about potential triggers during autumn 2014 and spring 2015, we are able to (i) analyse the evolution of single rockfalls and their common properties, (ii) identify seasonally changing activity hotspots, (iii) and explore temporal activity patterns at different scales, ranging from months to minutes, to quantify relevant trigger mechanisms. Seismic data allows the classification of rockfall activity into three distinct phenomenological types and can be used to discern multiple rock mass releases from the same spot, identify rockfalls that trigger further rockfalls and resolve modes of subsequent talus slope activity. In contrast to findings based on methods with longer integration times, rockfall in the monitored limestone cliff is not spatially uniform but shows a downward shift of rock mass release spots by 33 m per month over the year, most likely driven by a continuously lowering water table. Freeze-thaw-transitions account for only 5 out of the 49 rockfalls whereas 19 rockfalls were triggered by rainfall events, with a peak lag time of 1 h. Another 17 rockfalls were triggered by diurnal temperature changes and occurred during the coldest hours of the day as well as during the highest temperature change rates. This study is thus the first one to show direct links between proposed rockfall triggers and the spatio-temporal distribution of rockfalls under natural conditions, and extends existing models by providing seismic observations of the rockfall process prior to the first rock mass impacts.
Problems related to the taxonomic placement of incompletely preserved amber fossils: transfer of the Paleogene liverwort Cylindrocolea dimorpha (Cephaloziellaceae) to the extant Odontoschisma sect. Iwatsukia (Cephaloziaceae)
Authors: Feldberg Kathrin , Váňa Jiří , Schäfer-Verwimp Alfons , Krings Michael , Gröhn Carsten , Schmidt Alexander R. , Heinrichs Jochen
Published: April 2017

Abstract. A revision of the Baltic and Bitterfeld amber fossils assigned to Cylindrocolea dimorpha (Cephaloziellaceae) has yielded evidence of the presence of multicellular, bifid underleaves, which have not previously been reported for this species and conflict with the current circumscription of the family. We transfer the fossil species to Odontoschisma (sect. Iwatsukia) and propose the new combination O. dimorpha of the Cephaloziaceae. Characteristics of the fossil include an overall small size of the plant, entire-margined, bifid leaves and underleaves, more or less equally thickened leaf cell walls, ventral branching that includes stoloniform branches with reduced leaves, and the lack of a stem hyalodermis and gemmae. Placement of the fossil in Cephaloziaceae profoundly affects divergence time estimates for liverworts based on DNA sequence variation with integrated information from the fossil record. Our reclassification concurs with hypotheses on the divergence times of Cephaloziaceae derived from DNA sequence data that provide evidence of a late Early Cretaceous to early Eocene age of the Odontoschisma crown group and an origin of O. sect. Iwatsukia in the Late Cretaceous to Oligocene.
An Algebraic Formulation for the Configuration Transformation of a Class of Reconfigurable Cube Mechanisms
Authors: Kuo Chin-Hsing , Su Jyun-Wei , Wu Lin-Chi
Published: April 2017

Abstract. This paper presents an algebraic strategy for formulating the configuration transformation of a special class of reconfigurable cube mechanism (RCM) made by 23 cyclically connected sub-cubes. The RCM studied here is kinematically equivalent to a spatial eight-bar linkage having eight transformable configurations. In this paper, the reconfiguration characteristics of the RCM are figured out first. Then, the initial configuration of the RCM is described by a joint-screw matrix, from which all the consecutive joint-screw matrices that represent the configuration transformation of the RCM can be derived. An illustrative example is provided to determine the eight joint-screw matrices of an RCM at an initial configuration. This reconfiguration formulation is further applied to enumerate all feasible topological configurations of such a special reconfigurable mechanism. The results show that, for such a special kind of reconfigurable cube mechanisms, there is only one feasible initial topological configuration for the RCM to perform a complete cycle of reconfiguration.
Feedback of mesoscale ocean currents on atmospheric winds in
high-resolution coupled models and implications for the forcing of
ocean-only models
Authors: Abel Rafael , Böning Claus W. , Greatbatch Richard J. , Hewitt Helene T. , Roberts Malcolm J.
Published: April 2017

Abstract. The repercussions of surface ocean currents for the near-surface wind and the air-sea momentum flux are investigated in two versions of a global climate model with eddying ocean. The focus is on the effect of mesoscale ocean current features at scales of less than 150 km, by considering high-pass filtered, monthly-mean model output fields. We find a clear signature of a mesoscale oceanic imprint in the wind fields over the energetic areas of the oceans, particularly along the extensions of the western boundary currents and the Antarctic Circumpolar Current. These areas are characterized by a positive correlation between mesoscale perturbations in the curl of the surface currents and the wind curl. The coupling coefficients are spatially non-uniform and show a pronounced seasonal cycle. The positive feedback of mesoscale current features on the near-surface wind acts in opposition to their damping effect on the wind stress. A tentative incorporation of this feedback in the surface stress formulation of an eddy-permitting global ocean-only model leads to a gain in the kinetic energy of up to 10 %, suggesting a fundamental shortcoming of present ocean model configurations.
SHORT TIME AND STRUCTURAL DYNAMICS IN POLYPROPYLENE GLYCOL NANOCOMPOSITE
Authors: Tyagi M. , Casalini R. , Roland C. M.
Published: April 2017

The dynamics of polypropylene glycol, both neat and attached to silica nanoparticles, were investigated using elastic neutron backscattering and dielectric spectroscopy. The mean square displacement measured by the former is suppressed by the particles at temperatures corresponding to a dielectric secondary relaxation (that involves only a portion of the repeat unit) and the segmental relaxation (glass transition). Despite the suppression of the displacements, the motions are faster in the nanocomposite, primarily due to poorer packing (lower density) at the particle interface. At very low temperatures we discovered a new dynamic process in the polymer. Reflecting its very local nature, this process is unaffected by attachment of the chains to the silica.
Accrual Accounting in Public Sectors: Possible Contextual and Application Gaps for Future Research Agenda
Authors: Mahadi Rozaidy , Abdul Khalid Siti Nabiha , Mail Rasid , Noordin Raman
Published: April 2017

This paper analyses the possible contextual and application gaps derived from the utilisation of van Helden and Northcott’s (2010) method of study for classifying themes in published public sector’s accrual accounting papers according to their research objectives. As a result, our theme categorisation refers to the following research objectives: a) proposing new financial/management accounting techniques/approaches for public sector accrual accounting systems (e.g. accrual output-based budgeting, performance management and costing); b) examining the effectiveness of accrual accounting techniques/approaches; c) identifying the conditions for the successful/failure of the implementation of accrual accounting techniques/approaches; and d) knowledge-building in understanding, explaining and critiquing the adoption and use of accrual accounting techniques/approaches, both theoretically and practically. Through the process of populating and establishing the themes (based on research objectives), we were able to identify which areas of study have received less attention and which areas have room for further exploration.
Connecting Jordan to GCC Power Grid: Creation of Geopolitical “Power” Grid
Authors: Nakayama Mikiyasu , Fujibayashi Hirotaka , Sasaki Daisuke
Published: April 2017

Jordan agreed in May 2016 to join the existing Gulf countries’ power grid (GCC Power Grid). This planned connection with the GCC countries has some political importance, aside from simply promoting trade of electricity between Jordan and GCC countries. This article aims at finding out the “embedded agenda” behind the planned connection of power grids between Jordan and the GCC countries. It was found that Jordan’s participation in the GCC Power Grid is advantageous for Saudi Arabia and Jordan for trading electricity between two countries in the future. The planned connection of the power grid signifies the strengthened relation between two countries, without having troubles to be caused (among GCC’s member states) by Jordan’s official participation in the GCC as a new member. Jordan is so vulnerable to oil price surge, the development of alternative energies represented by renewable energies has a very significant meaning. Jordan could export electricity derived from renewable sources to neighboring countries in the future. Jordan historically serves as a buffer zone among countries with different interests and religions in the Middle East. Connection Jordan to the GCC Power Grid seems to have an utmost political importance for the GCC member states, particularly Saudi Arabia.
Dating “Eulalie”: A Reevaluation of Poe's Manuscripts
Authors: Savoye Jeffrey A.
Published: April 2017

There are ten recognized texts (actually nine) for Poe's poem “Eulalie” that carry authorial weight. Several of these texts are manuscripts, mostly without date, and their origins have been poorly documented, leaving questions about their assigned place among the printed texts. New research, and improved access to historical newspapers and other resources, at last allows us to remove the veil and confidently establish a proper bibliography for the poem, and possibly to shed light on its origins.
Toward Epistemic Competence: Poe's Philosophical Discourse in “Some Words with a Mummy”
Authors: Ali Zahra A. Hussein
Published: April 2017

This article constructs Poe's implicit conceptualizations of a dynamic epistemology and superior epistemic competencies and their relationship to three attitudinal imperatives: a devaluation of a racism founded on biological determinism, the cultivation of a historical consciousness attuned to acculturation, and bricolage as a new measure that intimates ingenuity. Poe employs bricolage to delineate a spectrum of epistemic competence and to deny the existence of epistemic equivalence between the cultured mind of the aristocratic Egyptian mummy and the parochial minds of the sham Yankee scientists. Given these philosophical registers in “Some Words with a Mummy,” the study postulates that Poe seems to find in ancient Levantine scientific culture the inspiration and a model for a dynamic epistemology and superior epistemic competencies, both of which depend on the de-idealization of positivistic logic and espousal of a heuristics that is mindful of likely relationalities among diverse objects and elements and is practiced by an imaginative savant-bricoleur.