22 resultados para Merula, Gaudenzio
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CCBE s. XVI,
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Merula is a thirty-minute work for bass flute and electronics, commissioned by Icelandic flautist Kolbeinn Bjarnason. The premiere took place in the Belfast Festival at Queen’s in November 2012. A recording will be made in 2014. Further performances in Iceland, Norway and Poland are anticipated in 2014-15. I have given a research seminar on this work at Queen’s and will deliver it again at the University of Oxford during 2013-14.
Research Goals
1) To develop an effective means of notating live electronics in a manner that would sustain the work's performance history beyond the current generation of software
2) To apply the techniques of transcription and spectralism used in my composition, Perseid, using birdsongs as source material
3) To explore the problem of sustaining large-scale form in music that is primarily fast
4) To facilitate the emergence of the solo bass flute as an important solo instrument through the completion of a new large-scale work
Methodology
• Methodologies employed in this project included sound recording, sound analysis and transcription, extensive precompositional sketching, electroacoustic techniques of sound manipulation, designing complex live processes of sound transformation and spatialisation
• A considerable part of this work was collaboration with the flautist, both in SARC and Iceland. Mr. Bjarnason was involved all stages of the work, frequently recording source materials and helping to ensure the idiomatic nature of the flute writing.
• Developing a means of notating the live electronics. Building on a model suggested by Pierre Boulez in Anthemes 2 (1998), the score of this work includes a technical manual that describes electronic processes in a manner that can be reprogrammed in subsequent generations of software. Combined with a system of notations employed in the full score, the technical manual will enable this composition to be performed by a wide range of performers and technical teams, with appropriately identical results.
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"Catalogue of the works of Gaudenzio Ferrari": p. 133-145.
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Ed. by Xabier Artiagoitia, Patxi Goenaga & Joseba A. Lakarra.
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Ficino (Marsiglio). Livre de la vie saine, Livre de la vie longue, trad. par Jehan Beaufilz (1542, n. s.)
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1. The feeding rates of many predators and parasitoids exhibit type II functional responses, with a decelerating rate of increase to reach an asymptotic value as the density of their prey or hosts increases. Holling's disc equation describes such relationships and predicts that the asymptotic feeding rate at high prey densities is set by handling time, while the rate at which feeding rate increases with increased prey density is determined by searching efficiency. Searching efficiency and handling time are also parameters in other models which describe the functional response. Models which incorporate functional responses in order to make predictions of the effects of food shortage thus rely upon a clear understanding and accurate quantification of searching efficiency and handling time. 2. Blackbird Turdus merula exhibit a type II functional response and use pause-travel foraging, a foraging technique in which animals search for prey while stationary and then move to capture prey. Pause-travel foraging allows accurate direct measurement of feeding rate and both searching efficiency and handling time. We use Blackbirds as a model species to: (i) compare observed measures of both searching efficiency and handling time with those estimated by statistically fitting the disc equation to the observed functional response; and (ii) investigate alternative measures of searching efficiency derived by the established method where search area is assumed to be circular and a new method that we propose where it is not. 3. We find that the disc equation can adequately explain the functional response of blackbirds feeding on artificial prey. However, this depends critically upon how searching efficiency is measured. Two variations on the previous method of measuring search area (a component of searching efficiency) overestimated searching efficiency, and hence predicted feeding rates higher than those observed. Two variations of our alternative approach produced lower estimates of searching efficiency, closer to that estimated by fitting the disc equation, and hence more accurately predicted feeding rate. Our study shows the limitations of the previous method of measuring searching efficiency, and describes a new method for measuring searching efficiency more accurately.
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Passerines are especially vulnerable to predation at the pre-independence stage. Although the role of nest success in British farmland passerine declines is contentious, improvement in nest success through sympathetic management could play a role in their reversal. Because habitat is known to interact with predation, management options for mitigation will need to consider effects of nest predation. We present results from an observational study of a population of Common Blackbird Turdus merula on a farm which has experienced a range of agri-environment and game-management options, including a period with nest predator control, as a case study to address some of these issues. We used an information theoretic model comparison procedure to look for evidence of interactions between habitat and nest predation, and then asked whether habitat management and nest predator abundances could explain population trends at the site through their effects on nest success. Interactions were detected between measures of predator abundance and habitat variables, and these varied with nest stage - habitat within the vicinity of the nest appeared to be important at the egg stage, and nest-placement characteristics were important at the nestling stage. Although predator control appeared to have a positive influence on Blackbird breeding population size, the non-experimental set-up meant we could not eliminate other potential explanations. Variation in breeding population size did not appear to be influenced by variation in nest success alone. Our study demonstrates that observational data can only go so far in detection of such effects, and we discuss how it might be taken further. Agri-environment and game-management techniques are likely to influence nest predation pressure on farmland passerines, but the patterns, mechanisms and importance to population processes remain not wholly understood.
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Passerines are especially vulnerable to predation at the pre-independence stage. Although the role of nest success in British farmland passerine declines is contentious, improvement in nest success through sympathetic management could play a role in their reversal. Because habitat is known to interact with predation, management options for mitigation will need to consider effects of nest predation. We present results from an observational study of a population of Common Blackbird Turdus merula on a farm which has experienced a range of agri-environment and game-management options, including a period with nest predator control, as a case study to address some of these issues. We used an information theoretic model comparison procedure to look for evidence of interactions between habitat and nest predation, and then asked whether habitat management and nest predator abundances could explain population trends at the site through their effects on nest success. Interactions were detected between measures of predator abundance and habitat variables, and these varied with nest stage - habitat within the vicinity of the nest appeared to be important at the egg stage, and nest-placement characteristics were important at the nestling stage. Although predator control appeared to have a positive influence on Blackbird breeding population size, the non-experimental set-up meant we could not eliminate other potential explanations. Variation in breeding population size did not appear to be influenced by variation in nest success alone. Our study demonstrates that observational data can only go so far in detection of such effects, and we discuss how it might be taken further. Agri-environment and game-management techniques are likely to influence nest predation pressure on farmland passerines, but the patterns, mechanisms and importance to population processes remain not wholly understood.
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Lugares e imp. tomados de Short-title catalogue of books printed in the German-speaking countries and German Books printed in other countries from 1455 to 1600 now in the British Museum
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Lugares e imp. tomados de Short-title catalogue of books printed in the German-speaking countries and German Books printed in other countries from 1455 to 1600 now in the British Museum
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This layer is a georeferenced raster image from the historic paper map series entitled: Lutece ... plan de la ville de Paris ..., par M.L.C.D.L.M. ; A. Coquart, delineavit et sculp. It was published by Jean & Pierre Cot in 1705. Scale [ca. 1:10,000]. This image is of map 4 entitled: Quatriême plan de la ville de Paris son accroissement, et l'etat ou elle êtoit sous le regne de Philippe Auguste qui mourut l'an 1223 apres avoir regné 43 ans: tiré de Rigord, de Knobelsderf, de Rodolphe Boterée, de Raoul, de Praesles, de Paul Merula, de Guaquin, de Pithou, de Papire Masson, de Corrozet, de Dubreüil, de Duchesne, des memoriaux, et autres anciens registres de la Chambre, des Comptes, et des archives de l'Archevêché du Chaptire de N. Dame, et des anciennes abbayes. The map represents Paris, 1180 to 1223. Map in French.The image inside the map neatline is georeferenced to the surface of the earth and fit to the European Datum 1950, Universal Transverse Mercator (UTM) Zone 31N projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, towns and villages, roads, built-up areas and selected buildings, fortification, ground cover, and more. Relief shown by hachures. Includes index.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.
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Both copies: University of Illinois bookplate: "From the library of Conte Antonio Cavagna Sangiuliani di Gualdana Lazelada di Bereguardo, purchased 1921".
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Vita.
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Mode of access: Internet.