3,864 research outputs found

    EU multilingualism: the looming challenges

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    The European Union’s motto “Unity in Diversity” is the demonstration of the enduring vision of Europe’s different languages and different cultures as a priceless asset. Ensuring that this diversity is not a barrier to understanding is the task of 10% of the European Commission staff, comprising roughly three quarters translators, one quarter interpreters. I shall of course be concentrating on the latter. Danica Seleskovitch very pertinently pointed out that the chain of communication does not stop in the booth. We in the European Commission’s Directorate-general for Interpretation have long taken this to heart, both literally and figuratively. Literally, in the sense that the ultimate destination of the message is of course the customer: I will present some key findings of our latest Customer Satisfaction Survey which has just been finalised. Figuratively, because the looming shortage of good young conference interpreters coming into the profession threatens that the message may only reach an empty booth for some languages. Within those two over-arching themes, there are of course other important interwoven issues which I would like to tease out for your consideration

    The Response to BSE in the United States

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    Food Consumption/Nutrition/Food Safety,

    Ecophysiology of coral reef primary producers across an upwelling gradient in the tropical central Pacific

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    © The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Johnson, M. D., Fox, M. D., Kelly, E. L. A., Zgliczynski, B. J., Sandin, S. A., & Smith, J. E. Ecophysiology of coral reef primary producers across an upwelling gradient in the tropical central Pacific. Plos One, 15(2), (2020): e0228448, doi:10.1371/journal.pone.0228448.Upwelling is an important source of inorganic nutrients in marine systems, yet little is known about how gradients in upwelling affect primary producers on coral reefs. The Southern Line Islands span a natural gradient of inorganic nutrient concentrations across the equatorial upwelling region in the central Pacific. We used this gradient to test the hypothesis that benthic autotroph ecophysiology is enhanced on nutrient-enriched reefs. We measured metabolism and photophysiology of common benthic taxa, including the algae Porolithon, Avrainvillea, and Halimeda, and the corals Pocillopora and Montipora. We found that temperature (27.2–28.7°C) was inversely related to dissolved inorganic nitrogen (0.46–4.63 μM) and surface chlorophyll a concentrations (0.108–0.147 mg m-3), which increased near the equator. Contrary to our prediction, ecophysiology did not consistently track these patterns in all taxa. Though metabolic rates were generally variable, Porolithon and Avrainvillea photosynthesis was highest at the most productive and equatorial island (northernmost). Porolithon photosynthetic rates also generally increased with proximity to the equator. Photophysiology (maximum quantum yield) increased near the equator and was highest at northern islands in all taxa. Photosynthetic pigments also were variable, but chlorophyll a and carotenoids in Avrainvillea and Montipora were highest at the northern islands. Phycobilin pigments of Porolithon responded most consistently across the upwelling gradient, with higher phycoerythrin concentrations closer to the equator. Our findings demonstrate that the effects of in situ nutrient enrichment on benthic autotrophs may be more complex than laboratory experiments indicate. While upwelling is an important feature in some reef ecosystems, ancillary factors may regulate the associated consequences of nutrient enrichment on benthic reef organisms.This work was supported by funding from the Moore Family Foundation, the Gordon and Betty Moore Foundation, the Scripps family, and anonymous donors. The funders had no role in study design, data collection and analysis, or preparation of the manuscript
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