2,234 research outputs found

    Conservation in the face of hybridisation: genome-wide study to evaluate taxonomic delimitation and conservation status of a threatened orchid species

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    This study assessed inter- and intraspecific relationships and genetic structure in an Australian species complex in the helmet orchids (Corybas) to clarify the taxonomic and conservation status of the threatened species Corybas dowlingii, a narrow endemic from southeast Australia. Taxonomic delimitation between the three closely related species C. aconitiflorus, C. barbarae, and C. dowlingii has been mainly based on floral traits which exhibit varying degrees of overlap, rendering species delimitation in the complex difficult. Genome-wide data for the species complex was generated using double-digest restriction-site associated DNA (ddRAD) sequencing. Phylogenomic, genetic network and genetic structure analysis were carried out as well as co-ancestry analysis and hybridisation detection analysis. The ddRADseq results exhibited fine scale genetic structure within the C. acotiniflorus complex and provided evidence for hybridisation and introgression within the complex, resulting in blurred taxonomic boundaries between the three species. Implications of the results for conservation management in the face of hybridisation are discussed

    FIGURE 5. A. Pterostylis jeanesii habitat. B. Inflorescence, side view. C in Two new species of Pterostylis (Orchidaceae; Orchidoideae) from the Sunset Country, Victoria, Australia

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    FIGURE 5. A. Pterostylis jeanesii habitat. B. Inflorescence, side view. C. Inflorescence, front view. Photographer: June Niejalke.Published as part of Reiter, Noushka, Kosky, William & Clements, Mark, 2021, Two new species of Pterostylis (Orchidaceae; Orchidoideae) from the Sunset Country, Victoria, Australia, pp. 153-165 in Phytotaxa 500 (3) on page 160, DOI: 10.11646/phytotaxa.500.3.1, http://zenodo.org/record/542454

    FIGURE 6. A. Pterostylis peakallana habitat. B in Two new species of Pterostylis (Orchidaceae; Orchidoideae) from the Sunset Country, Victoria, Australia

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    FIGURE 6. A. Pterostylis peakallana habitat. B. Inflorescence, side view. Photographer: Russell Stanley.Published as part of Reiter, Noushka, Kosky, William & Clements, Mark, 2021, Two new species of Pterostylis (Orchidaceae; Orchidoideae) from the Sunset Country, Victoria, Australia, pp. 153-165 in Phytotaxa 500 (3) on page 161, DOI: 10.11646/phytotaxa.500.3.1, http://zenodo.org/record/542454

    Karen F. Clements, RN, FACHE, Associate Chief Nursing Officer, Dartmouth-Hitchcock Medical Center

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    The guest in this episode of The Health Leader Forge is Karen Clements, the Associate Chief Nurse for Ambulatory and Primary Care Nursing, Emergency and Patient Placement Services, and Care Management and Psychiatric Services for the Dartmouth-Hitchcock Health System, or as her staff prefers, she is the Associate Chief Nurse for Team Awesome. Karen is also the President of the Northern New England Association of Healthcare Executives, one of the sponsors of this podcast. Karen is a nurse-executive whose roots are in emergency and trauma nursing. Her career began with an active duty tour in the Army’s Nurse Corps, then she returned home to Bangor, Maine where she progressed through the nursing ranks to become the Chief Nursing Officer of Acadia Hospital, a 100 bed freestanding psychiatric hospital. After 23 years with the Eastern Maine Healthcare System, she followed professional and personal opportunity to Dartmouth-Hitchcock, where her leadership skills quickly led her to the Associate Chief Nurse position. In this podcast they talk about Karen’s career leading up to her current position at Dartmouth-Hitchcock, how Dartmouth-Hitchcock is changing to meet the challenges of an evolving health system, and how nursing is playing a role in that transition. They then talk about leadership, and Karen’s role in the Northern New England Association of Healthcare Executives and conclude with Karen’s recommendations for early careerists

    Eyes to see and ears to hear: Discernment of revelation in the gospel of Mark

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    The biblical tradition affirms that God reveals himself, but also that such revelation is hidden and diverse, surprising and paradoxical. The aim of this study is to examine how Mark understands revelation to be given and discerned. A redaction-critical approach is taken for this study of one aspect of Mark's theology, although insights from literary criticism are also used. Mark understands Jesus' death to be the most important event and place where God is revealed. In order to understand this correctly, as well as Jesus' teaching and miracles, a certain spiritual discernment is necessary, and the biblical tradition uses hearing and seeing as metaphors for this. How and under what circumstances such discernment becomes possible and what kinds of things or attitudes help or hinder the process are explored. The first two chapters show how revelation is given and discerned in the OT and in Jewish apocalyptic literature. The main part of the study, chapter 3, explores how Mark takes up and develops these themes and how he uses Jesus ‘teaching and miracles in a symbolic way to lead both the disciples and his readers on a journey of revelation, suffering and humility. Discernment of revelation also has social consequences, and for Mark the people of God are now seen as those who have discerned God's revelation in Jesus

    Jesus Christ Superstar (2003) | Costume Sketch 001

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    Performed: 20-23 February 2003; Andrew Lloyd Webber and Tim Rice\u27s Jesus Christ Superstar originally opened in London in 1969. The rock opera, told through the eyes of the betrayer, Judas, is the story of Jesus Christ\u27s final days on earth. The play was directed by Freddy Clements, set by Carlton Ward, technical direction by David Keefer, vocal conducting/coaching by Teresa Stricklin, orchestral conducting by Mark Fifer. Wendy Channel was the rehearsal and performance accompanist and Patricia Corbin and the A Cappella Choir also assisted with vocals. Shown is the costume sketch for Pilate. This item is contained within the Clements drama production materials.https://digitalcommons.jsu.edu/clements_costumes/1277/thumbnail.jp

    Knee extensor strength measured using a Biodex dynamometer and an adapted hand held dynamometer

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    Background: Muscle strength is widely used as an outcome measure in rehabilitation and kneeextensor strength is an important determinant of physical function. Hand held dynamometry (HHD) isportable and easy to use; however, reliability of HHD measurements is significantly influenced by thestrength of the tester. The present study assessed the agreement between an adapted HHD and Biodex dynamometry while measuring knee extensor strength in young adults.Method: Thirty participants aged 22–35 years (mean age 24.4 years; SD ± 2.5) were studied. Peakisometric knee extensor strength of the dominant leg was measured using the Biodex dynamometerand adapted HHD. The agreement between the maximum voluntary contractions (MVC) was analysed using Pearson’s Correlation Coefficient, intraclass correlation (ICC) and Bland–Altman analysis.Results: The mean peak knee extensor MVC was 191.7 Nm (± 53.6) for the Biodex dynamometer and167.5 Nm (± 55) for the adapted HHD. The mean difference in peak knee extensor strength measuredusing the adapted HHD was 24.1 Nm (± 30.3) lower when compared to the Biodex. However, therewas good correlation between the two measures (r=0.796, ICC (3, 1): peak torque=0.796; average ofthree trials=0.808) and Bland–Altman plots confirmed good agreement.Conclusions: The knee strength measurements were not influenced by examiner strength and resultsobtained using the adapted HDD were comparable to that using the Biodex; however, the absoluteknee extensor strength obtained using the adapted HHD was generally lower.<br/

    Australasian orchid diversification in time and space: molecular phylogenetic insights from the beard orchids (Calochilus, Diurideae)

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    Phylogenetic relationships in Calochilus (~30 species) were inferred based on a supermatrix of 81 loci including 22 species. To examine the spatio-temporal evolution of Calochilus, divergence-time estimations were conducted within a Bayesian framework using an uncorrelated relaxed molecular-clock model, followed by maximum-likelihood ancestral-range reconstructions comparing four biogeographic models. To trace the evolution of key floral and vegetative characters, maximum-likelihood ancestral-character reconstructions were carried out. The stem age of Calochilus was dated to ~12.0 million years ago in the mid-Miocene. Divergence of Calochilus into a tropical and a temperate clade was inferred to have occurred ~7.6 million years ago in the late Miocene. Northern Australia was reconstructed as the ancestral area of the tropical clade and the Euronotian region for the temperate clade. Range expansions from Australia to other Australasian regions, such as New Zealand and New Guinea, were inferred to have occurred only in recent geological times, commencing in the Pleistocene. The infrageneric classification for Calochilus was revised, erecting two subgenera, subgenus Calochilus and subgenus Tropichilus subgen. nov. Section Calochilus Szlach. was recircumscribed, and sect. Abrochilus sect. nov., and section Placochilus sect. nov. were erected. Identification keys to subgenera and sections and a taxonomic synopsis of the genus are provided

    Anything Goes (2001) | Costume Sketch 005

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    Performed: 15-25 February 2001; Anything Goes, a 1930s comic musical, takes place on a luxury liner. The set included a revolving stage allowing for more movement. The play was directed by Dr. Wayne Claeren, choreography by Casey Cox, assistant choreography by John W. Dodson, conducting by Mark Fifer, vocal directing by Carrie Culver. Shown are the costume sketches for Reno and Tap Girls. This item is contained within the Clements drama production materials.https://digitalcommons.jsu.edu/clements_costumes/1258/thumbnail.jp
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