1,101 research outputs found

    Some Reflections on My Zurich Years

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    Examining the Impacts of Valley Fills in Stream Ecosystems on Amphibian and Aquatic Insect Communities in Southeastern Kentucky

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    Chapter 1. Abstract: Biodiversity is not evenly distributed, and understanding factors that determine spatial patterns of species diversity remains a key question in ecology. Because of their relatively high abundance and complex life cycles, stream salamanders and aquatic insects are important trophic links and serve a critical role in transferring energy. Despite this importance little research has examined their community structure simultaneously in aquatic ecosystems. The primary objective of this research was to determine the structure of these communities across natural areas of southeastern Kentucky and understand what factors impact their abundances and distributions. To address this, we sampled eight reference quality streams across the region, March–June 2014. Salamander sampling consisted of three sampling periods on a monthly basis, April–June 2014. Aquatic insect sampling consisted of a single sampling event in March 2014, with water and habitat sampling occurring during each aquatic insect and salamander sampling event. Within each stream, a 100-m reach was sampled for salamanders, aquatic insects, water quality, and habitat measurements. A principle component analysis (PCA) approach was used for factor reduction to create predictive models of environmental variables associated with salamander and aquatic insect abundance and richness. 390 salamanders (155 adult, 235 larvae; 7 species) and 1,163 aquatic insects (8 orders, 33 families) were sampled. Predictive models revealed associations between salamander and aquatic insect abundance and richness, presence and composition of cover objects, and stream pH and conductivity. Understanding patterns of community composition and distribution of aquatic insects and salamanders within reference quality aquatic ecosystems provides important information about ecosystem functioning in undisturbed habitats in this region of high disturbance and anthropogenic land use. Chapter 2 Abstract: Valley fills due to mountaintop-removal mining bury headwater streams and affect downstream water quality and ecological function. Past studies have focused on generally one taxonomic group or purely habitat and water quality affects. In this study we evaluated stream salamander and aquatic insect communities, metal concentrations in water and tissue, and stream quality and habitat in 10 streams affected by Valley fills (VFS) and 5 reference streams (RS) located in natural areas within 15 km of VFS. Within each stream, a 100-m reach was sampled for the above stated parameters. Salamander sampling consisted of three sampling periods on a monthly basis, April–June 2015. Aquatic insect sampling consisted of a single sampling event in March 2015, with water and habitat sampling occurring during each aquatic insect and salamander sampling event. This study captured 529 individual salamanders of eight species, with captures in RS (n=335) higher than in sampled VFS (n=194). A total of 1,034 aquatic insects representing 8 orders and 37 families were collected, and captures were higher for RS (n=597) than VF (n=447). Abundance, richness, and other community metrics of sampled salamander and aquatic insects were significantly higher in RS than VFS. Several habitat and environmental factors significantly differed between treatments including % silt, conductivity, selenium concentration in water and tissue, and canopy closure likely leading to the reduced communities of salamanders and aquatic insects observed. By approaching the issue of stream health through multiple abiotic factors and taxa, this study provides critical information of the effects of valley fills on stream quality and function

    Kirra’s Aboriginal epistemic talk: Driving her bildungsroman

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    This research discovered a bildungsroman as a structural device for understanding the storytelling embedded in a long duration of talk. Bildungsroman refers to a literary genre that is a particular way of constructing a life story through talk about stages-of-life, moral agency, psychological troubles, identity, and responsibility, and ethnicity. The structural device of a bildungsroman was discovered through the application of the principles, policies, and analytical techniques of Ethnomethodology and Conversation Analysis (EMCA). Aboriginal peoples often transmit their culture through storytelling. A long duration of talk was recorded with a nineteen year old Aboriginal woman, here named Kirra. This phenomenon is reflected throughout the series of ten connected conversations that orient to significant stages in her life. Through the talk Kirra discloses stages-of-life that have characterised her progress from infancy to her coming-of-age as a young adult. Kirra’s talk encompasses episodes, phenomena, and obstacles that she has overcome to achieve a degree of maturity, dignity, and autonomy. Her construction of a bildungsroman is characteristic of Aboriginal discourse whereby their individual lives and their culture are constituted in storytelling. The conversational structures she employs, her moral agency, and her use of membership categorisation devices support the integrity of the choices she makes in her story. This achievement Kirra proposes to pass on to her community in the form of a book. The findings of the study make a distinctive contribution to the scope of Ethnomethodology and Conversation Analysis research, through discovery and analysis of the bildungsroman as a powerful organising conversational phenomenon, providing new ways of analysing storytelling structures in talk. Further, this research has the potential to contribute in distinctive ways to understanding the Aboriginal episteme as shown in day to day talk

    El traductor como mediador en la correspondencia entre investigador y revisor

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    Accepted for publication in Skopos: Revista Internacional de Traducción e Interpretación, 3, (2013), Universidad de Córdoba.Professional translators often mediate in the complex relation between the authors of scientific articles (their clients) and the referees of scientific journals (their clients’ clients). Experience tells us that standing in the middle of this type of relation—crucial to ensuring scientific articles are published—can be difficult. We need to handle issues arising from author-referee communication that are often far from straightforward and require skilled diplomacy, both oral and written, in the authors’ mother tongue and the target language of the translation. Future translators need to be aware of this role as it affects their professional careers, but do clear guidelines exist? The present communication describes mediated transactions in author-referee correspondence, summarizes related research literature, formulates a set of research questions, and presents a study that we are conducting with a view to obtaining qualitative data from a sample of experienced professionals.Los traductores profesionales a menudo median en la compleja relación entre los autores de artículos científicos (sus clientes) y los revisores de revistas científicas (los clientes de sus clientes). Por experiencia propia, sabemos que no es siempre una mediación fácil, pero que sí es fundamental para conseguir la publicación deseada. Atendemosa las consecuencias de la complicada comunicación autor-revisor y aplican toques diplomáticos, tanto de expresión oral como escrita, en la lengua materna de los autores y la lengua meta de la traducción. Los traductores en formación tienen que ser conscientes de este papel que forma parte de la carrera profesional, pero ¿existen parámetros claros? En esta comunicación describimos transacciones mediadas en correspondencia autor-revisor, resumimos la bibliografía relacionada con el tema, formulamos una serie de hipótesis, y presentamos el estudio que estamos realizando para obtener datos cualitativos de una muestra de profesionales experimentados

    Merger of Law and Equity under the Revised Maryland Rules: Does It Threaten Trial by Jury?

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    With the merger of law and equity effected by revisions to Maryland\u27s Rules of Civil Procedure, adopted on July 1, 1984, the Maryland judiciary must define the scope of trial by jury to be permitted in the now merged civil actions. This article examines the federal and various state approaches and sets forth alternatives available to Maryland courts. The authors posit that Maryland\u27s judges should define the scope of the jury trial right in the merged system by recognition of established equitable functions. The right to trial by jury should be preserved, not by blindly following the federal approach, but by applying Maryland\u27s traditional limitations on equitable jurisdiction

    Merger of Law and Equity under the Revised Maryland Rules: Does It Threaten Trial by Jury?

    Get PDF
    With the merger of law and equity effected by revisions to Maryland\u27s Rules of Civil Procedure, adopted on July 1, 1984, the Maryland judiciary must define the scope of trial by jury to be permitted in the now merged civil actions. This article examines the federal and various state approaches and sets forth alternatives available to Maryland courts. The authors posit that Maryland\u27s judges should define the scope of the jury trial right in the merged system by recognition of established equitable functions. The right to trial by jury should be preserved, not by blindly following the federal approach, but by applying Maryland\u27s traditional limitations on equitable jurisdiction
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