Dissertations / Theses: 'Eagle'

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Filgasová, Barbora. "Golf Resort Eagle." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227781.

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This thesis dealing with the project documentation construction of the stage for building construction on a new building golf club. This is a partial basement, two-storey building. The building is designed from sand - lime brick system KM Beta Sendwix in the basement was used shuttering blocks CS concrete. The ceilings are designed as reinforced concrete cross floor slabs. The roofing is made by flat roofs vegetation at different levels.

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Obregon, Luis J. "Cuauhtli (the Aztec eagle)." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1227461849.

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Bechtle, Scott Edward. "Crimson Eagle Global Enterprise." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2340.

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This project for Crimson Eagle Global Enterprise is the initial step in developing a strategic business plan. The traditional business plan contains many sections (business description, marketing, competition, operating procedures, personnel, business insurance, and finacial data). Using a different style, this project simply highlights those sections, rather than going into detail.

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Kimball, Scott Allen. "Behavioral interactions of breeding bald eagles (Haliaeetus luecocephalus) at Lake Cascade, Idaho." [Boise, Idaho] : Boise State University, 2009. http://scholarworks.boisestate.edu/td/40/.

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Tinkler, Dorothy E. "Ecology of bald eagles during the postfleding [sic] period at rural and suburban nest sites in southwest Florida." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1546.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains ix, 91 p. : ill. (some col.), maps (some col.) Includes abstract. Includes bibliographical references (p. 34-37).

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Sabine, Neil B. "Aspects of bald eagle winter behavior in Rush Valley Utah: A Telemetry study." BYU ScholarsArchive, 1987. https://scholarsarchive.byu.edu/etd/7863.

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The diurnal behavior and nocturnal roosting patterns of 28 bald eagles outfitted with tail-mounted radios were investigated in Rush Valley, Utah between January and March 1982-1984. Casting analysis and feeding observations indicated the principal food source was jackrabbit carrion. Jackrabbit availability declined from 1982 to 1984 and eagles responded by; 1) roosting closer to feeding sites, 2) shifting from canyon to valley roosts, 3) arriving later at and departing earlier from roosts, 4) decreasing diurnal activity, and 5) decreasing residence time. Foraging efficiency appeared to be maximized by experienced eagles using familiar feeding areas and by naive birds monitoring their activity. There appeared to be a slight (8.6%) energetic advantage to roosting at valley sites because of their proximity to feeding areas. This saving was presumably dissipated under adverse weather conditions when eagles selected the sheltered microclimate of canyon slopes. Twelve eagles were tracked during spring migration and all followed northward routes.

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Dominguez, Laura. "Reproductive success and environmental contaminants among bald eagles in Placentia and Bonavista Bays, Newfoundland /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/MQ42369.pdf.

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Swanson, Cindy S. "Economics of non-game management : bald eagles on the Skagit River Bald Eagle Natural Area, Washington /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487842372894759.

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Javůrek, Martin. "Střelnice & lasergame aréna „Eagle eye“." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372024.

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The subject of this project is a new building of a shooting range and lasergame arena in Brno, district Královo pole. The aim of the thesis is to create a documentation for realization of a shooting range and lasergame arena. It is a stand-alone two-storey building without the basement. The building is based on piled foundations, the construction system is reinforced concrete frame, infill material is light concrete brick. There is an exception: in the tunnel shooting range, there are monolithic reinforced concrete walls. The ceilings above the first floor are made also of reinforced concrete, the ceiling above the second floor / roof is made of pre-stressed reinforced concrete roof panels of spiroll type. There is flat, single-layer roof. The walls are designed as double-layered, contact-insulated with fiber-cement cladding.

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Gill, Christopher Ellis. "Environmental contaminants, food availability, and reproduction of bald eagles, Haliaeetus leucocephalus, on Vancouver Island, British Columbia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ37537.pdf.

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Väli, Ülo. "The greater spotted eagle Aquila clanga and the lesser spotted eagle A. pomarina : taxonomy, phylogeography and ecology /." Tartu : Tartu University Press, 2004. http://dspace.utlib.ee/dspace/bitstream/10062/1293/5/Vali.pdf.

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Gustavsson, Lukas. "PDF Eagle : A PDF viewer in Qt." Thesis, Linköpings universitet, RTSLAB - Laboratoriet för realtidssystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-76907.

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To keep up in the rapidly changing market for smart mobile phones, newways of consuming information is needed. In this master thesis project aPortable Document Format (PDF) viewer with more features than existingPDF viewers for Symbian^3 was developed, called PDF Eagle. PDF Eaglewas implemented using the Qt framework, allowing it to be easily ported todierent platforms. PDF documents have a rich structure and to be fullycompatible with the standard and at the same time responsive enough to berun on a mobile platform is a formidable technical challenge. This reportdescribes the issues that had to be resolved all the way to a functioning "app"that was marketed on the Nokia market in October 2011 with a great success.Among the technical challenges was a way to correctly render coloured objectsin PDFs. A gradient is a way to colour an area in a PDF le. Results of testsshowed that PDF Eagle is more capable of handling gradients, shadows andencrypted PDF les compared to other mobile PDF viewers. The conclusion ofthis report is that PDF Eagle is on par with or outmatches other PDF viewerson the targeted platform. This work also shows the feasibility of incrementallydownloading the pages of a PDF le which provides a better user experienceby faster viewing.

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Hailer, Frank. "Conservation Genetics of the White-Tailed Eagle." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6911.

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Sheinin, Aliette Karina. "Moontime in Eagle Creek : stories for sustainability." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/15294.

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The most common and influential approaches to sustainability in contemporary western society have been science-based. Consequently, sustainable living is usually defined in generalized, universalized, and quantified terms. While science is important for sustainable living, science alone cannot incorporate critical, yet specific, places, times, and events. Sustainable living in one country may not be sustainable in another, sustainable living right now may not be so in the future, sustainable living for me may not be sustainable for you, for example. What’s more, science itself is embedded in and reproduces place-, time-, and event-specific dimensions. Negotiating these dimensions of life into our understanding and practice of sustainability is imperative. In contrast to science, narrative seeks to construct and reflect knowledge of place-, time-, and event-specific dimensions of life; narrative as a mode of knowing is concrete, contextualized, specific, personally convincing, circular, imaginistic, interpersonal and emotive. Narrative, as well, is a process of knowledge construction, a way of coming to know place(s), time(s), and event(s). The goal of this dissertation is to negotiate, humbly, both science and narrative. My hope is that this work, as arts-based research, can expand our possibility(ies) for new ways of knowing and living sustainably. My negotiation between science and narrative takes place in Eagle Creek, a 2.21km long creek in West Vancouver, British Columbia. Eagle Creek begins from a reservoir and flows through forested municipal land, undeveloped private land, and developed residential land before discharging into the Pacific Ocean. Originally, I set out to investigate sustainability issues surrounding Eagle Creek’s role in drinking water and power generation, recreation, and salmon spawning. What I discovered in my research was far from what I expected. This is a story about those surprises. My hope is that in this story is an opportunity for you to negotiate, for yourself, new ways of knowing sustainability and living it, wherever, whenever, and however it may be for you. To the lives of our dreams!

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Johansson, Maya. "Modelling habitat suitability index for golden eagle." Thesis, Stockholms universitet, Institutionen för naturgeografi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-197086.

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The aim in this study was to develop a model for the probability of finding active golden eagle nests during their breeding season. It was done by using environmental variables derived from expert models which were tested against empirical data. This resulted in a habitat suitability index (HSI), which in this case is assumed to indicate the probability of active nests of golden eagles. The study was conducted together with the County Administrative Board of Västernorrland with the purpose to improve golden eagle’s ecological status.To develop the model, different combinations of several explanatory variables were tested in a model selection process, where the most optimal and parsimonious model was chosen. The tested variables have earlier been shown to affect golden eagles, as slope, aspect, forest age, foraging habitat, suitable flight routes, human population density, roads, railways, power lines, wind power plants, hiking trails and clear cuts. The variables where applied in in ArcMAP at three different scales: nest scale (25 x 25 meter), proximate scale (a circle with the radius of 500 meter) and home range scale (a circle with the radius of 8253 meter). A preliminary test of the variables showed that all golden eagle nests were found in slopes with at least 5֯ degreesas well as in home ranges with human population density not more than 8 people/km2. Due to that a stratified analysis wasperformed. The variables where analysed by multiple logistic regression in R, where the occurrence of golden eagles’ nestswas compared towards random points in the landscape. All variables were also tested one by one by logistic regression. Afterperforming the multiple logistic regression, it was possible to apply its equation into ArcMap to obtain suitability maps withHSI values over Västernorrland’s county.The comparisons of different models show that it is better to combine different spatial scales in the model than only using one spatial scale. The result indicate that three different models might be the best, which all had different combinations of slope and aspect at nest scale and power lines at the proximate scale. Two of these models also include hiking trails and human population density, both at home range scale, in their equation. Since it was some unclarity about the causality between hiking trails and human population density, the conclusion was not to choose any of these as the final model. The final model was more parsimonious and had an additive effect from slope and southern aspect at the nest scale and an antagonistic effect from power lines at the proximate scale.This study clarifies that golden eagles’ habitat preferences for nesting sites during their breeding period is steep slopes (at minimum 5֯ degrees) in more southern aspects with few power lines in the proximate area surrounding the nest. Their homeranges are also situated in areas with less than 8 people/km2. The study also pinpoints a potential conflict between golden eagleand wind power planning, as golden eagles prefer steep slopes and remote areas, which also are valuable areas for wind powerplants. Golden eagles’ preference of remote areas also indicate that they might be affected by human persecution, why certainconservation effort should be focused into this issue. Out from the final model, you can find cluster in the landscape where youcan focus conservation management and restrict exploitation. Due to low number of wind power plants in the landscape, nothingcould be concluded about their effect on golden eagle in this study. An advice from the golden eagle’s perspective is to use theprecautionary principle and further plan wind power plants in areas which already have high disturbance, as for example closeto power lines or roads. The result also indicates that forest age from SLU Forest Map is not suitable for telling where to findgolden eagle nests. GIS-data over forest age would facilitate conservation management for plenty of species connected to theforest.Although good statistical results for the final model, cautions need to be taken in general, since neither population viability analysis have been included, nor changes over time in the landscape. Another issue is the low sample size, where a larger sample size would make it possible to perform profound calibration and validation of the data. To develop a more robust model, the advice is to include these into the model and use a larger sample size.

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Chester, Dennis Nathan. "Bald eagle habitat use on B. Everett Jordan Lake and Falls Lake, North Carolina." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43385.

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Berkelman, James. "Habitat Requirements and Foraging Ecology of the Madagascar Fish-Eagle." Diss., Connect to this title online, 1997. http://scholar.lib.vt.edu/theses/available/etd-5852152749721461/.

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Eusebi, Bruno. "Difference in distribution between the White-tailed eagle and the Steller's sea eagle on their wintering grounds. : On Hokkaido, Japan." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-434993.

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The White-tailed eagle (H. albicilla) and the Steller's sea eagle (H. pelagicus) overwinter in the same region of Japan: North-western Hokkaido. To examine how and if these two species compete at their overwintering grounds the following questions were asked: are they evenly distributed over this region and do they compete over space and resources? For the period 2015-2019, I found that the two species were not evenly distributed over the region, and that H. pelagicus is the most common species and does occur over the whole area. At a more detailed study at Lake Abashiri performed in 2019-2020, results showed that H. albicilla was the most common species, and that the distribution of the eagles was determined by the availability of food from anthropogenic activity. The species competed for food resource, fish, and H. pelagicus was the stronger competitor in terms of attacks against heterospecifics. They were less aggressive, but more successful when attacking compared to the White-tailed eagle.

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Lim, Han Leong. "Network payload integration for the Scan-Eagle UAV." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Dec%5FLim%5FHan.pdf.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, December 2007.
Thesis Advisor(s): Healey, Anthony J. "December 2007." Description based on title screen as viewed on Jan. 23, 2008. Includes bibliographical references (p. 47-48). Also available in print.

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Bray, Erik K. "Does the dragon soar higher than the eagle?" Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5483.

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Approved for public release; distribution is unlimited.
Chinese economic penetration of Latin America has profoundly altered the economic and political relationships in the region. This thesis argues that while the growing relationship between China and Brazil has been beneficial for both countries, it is especially beneficial for China. While the Brazilian raw materials and agricultural industries have profited, the influx of finished Chinese products is making many Brazilian industries, especially textiles, uneconomical, and has raised fears that Brazil may contract the "Dutch disease"-reliance on a few industries for export income. However, China has offset the historic political influence of the United States in the region, and holds out the prospect of being a strong sponsor of Brazil's ambitions to become an international political player commensurate with its growing regional economic and political importance. Latin American states are finding various ways to expand lines of communication and to collaborate with the Chinese, who are clearly set to play a major role in aid-giving worldwide. We must better understand our future competitor in order to develop our own strategy for engagement in Latin America.

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Reynolds, Kate Victoria. "Soaring and gust response in the steppe eagle." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:54cb694e-e374-45c0-b87c-53a55cf29ce1.

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This thesis explores how onboard instrumentation can be used to study how birds interact with the atmosphere, in particular to understand their soaring strategies and gust response mechanisms. The instrumentation unit consists of integrated sensors, including a GPS, IMU (inertial measurement unit) and pressure transducer, which provide accurate, high frequency measurements of the aerodynamics and kinematics of a free flying bird. The equipment development and derivation of parameters are initially presented. The data recorded from multiple flights of a steppe eagle (Aquila nipalensis) are then used to analyse the different aspects of its soaring flight throughout the rest of the thesis. First, the occurrence and mechanism of the wing tuck manoeuvre is investigated and found to be a gust response, precipitated by a drop in aerodynamic loading. It is suggested that this reduction in loading results in a moment imbalance on the wings, and that ultimately the wings are pulled down by an internal musculoskeletal moment. The bird's slope soaring behaviour is then studied by using CFD analysis to model the local updrafts for comparison with the bird's performance. The analysis shows that the bird predominantly flew in the regions of strongest updraft along the ridge but did not attempt to maximise gravitational potential energy. This leads to gliding flight and a review of the theoretical derivation of the classic glide polar. A sensitivity analysis of the polar to different drag coefficients highlights the need for more research into the selection of suitable values. The development of a new `soaring optimisation' chart to include the effect of wind conditions on the selection of best glide speed is presented. This is then compared with experimental glide data from the bird and used to determine the optimal drag coefficients for the polar model. Finally, a technique is developed for automatically identifying sections of thermalling flight and for removing the wind drift component to allow us to test thermalling behaviour. This exploratory analysis highlights the complexity of the flow structure within the thermal and the distinctly unsteady circling of the bird.

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Sičkaruk, Roman. "Program pro export vektorových obrázků z Autodesk Eagle." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400898.

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This master’s thesis deals with design and creation of ULP program for export of vector images in EMF (Enhanced Windows Metafile) format. The main aim of this thesis is to add support of all features of Autodesk Eagle version 9. Thesis is important due to bugs and imperfections of other ULP programs for exporting of vector images to other formats also because of they aim for older versions of Autodesk Eagle. With regard to small quantity of EMF literature, thesis is beneficial as it describes behaviour of base structures and describes creation of EMF metafile. It also provides example of iteration over individual parts of schemes and printed circuit boards. Main goal of this thesis was completed. User is allowed to export currently visible layers, set order of their printing, with remain of true colors and orientation. Program was tested in Autodesk Eagle systems version 9.1.3 and 9.3.2.

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Gillies, James A. "Soaring flight in the steppe eagle (Aquila nipalensis)." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.572648.

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Avian flight cannot fail to impress; from the huge migratory distances covered by albatrosses to the dexterity shown by a feeding hummingbird, the performance of birds in flight is remarkable. Until now research into free flight (i.e. not in a wind tunnel or other artificial environment) has been limited to observations from the ground. Here I use a collection of novel techniques, based on the use of onboard instrumentation carried by the bird, to explore if and how this performance might be underpinned by their flexible flight configuration. In the Introduction (chapter 1) to the thesis I investigate previous work into the stability and control of birds in flight. In chapter 2 I investigate a selection of manoeuvres seen commonly in flight, and describe the ways in which they exploit the flexible configuration of the eagle. Then (chapter 3), using an Inertial Measurement Unit (IMU) containing an integrated camera and Pilot-tube I measure the forces acting on the body of the bird in flight, the airspeed of the bird, and using custom-written software, I extract the configuration of the tail from the video. Using the measured configuration of the tail I estimate the lift generated by the tail according to a series of simple aerodynamic models. These are good predictors of the variation in the normal load factor acting on the bird. This suggests that the tail of the eagle is used primarily in soaring flight to balance the bird along the pitch axis. In chapter 4 I further investigate the configuration of the tail, I find that the spread and angle of attack of the tail covary, but that the twist of the tail is adjusted independently. In chapter 5 I explore one manoeuvre, the wing tuck, in more detail. With reference to a 'mean wing tuck' of the key variables I suggest that it is a response to a drop in wing loading, which suggests that it may be a response to atmospheric turbulence. I then investigate the frequency of wing tucking and our principal finding is that it is increased on days when the wind speed is greater, further suggesting that it is a response to atmospheric turbulence. Finally in the Discussion (chapter 6) I summarise the thesis. I also consider future avenues for research into the control and stability of avian flight and discuss some of the limitations of the methods used in this thesis.

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Coulter, Keith (Keith Allan) Carleton University Dissertation Political Science. "Operation Eagle Claw: explaining a foreign policy failure." Ottawa, 1995.

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Greet, Benjamin James Robert. "The Roman eagle : a symbol and its evolution." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/12543/.

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This thesis studies the symbolism of the eagle throughout Roman history from the pre-Roman background to A.D. 211. Its aim is to discover whether the popular assumptions made concerning this well-known Roman symbol, i.e. that it represented Jupiter or Rome, were true or whether it has a range of meanings, previously undiscussed in scholarship. Using a combined methodology of semiotics and cognitive science, I examine the eagle in five chronological periods, each of which are divided into themes based on particular areas of the eagle’s symbolism. The first of these themes, ‘Physical Animal and Reality’, examines the ancient thought surrounding the actual eagle and its use in magic and medicine. The second, ‘Concepts and Characteristics’, examines the particular characteristics of an eagle (i.e. its eyesight and claws) used for symbolic purposes and the particular concepts (i.e. valour and criminality) it is used to express. The third, ‘Religion and Myth’, examines the divine nature of the eagle and its connection to deities, as well as its position in myth, astrology, and fringe religions. The fourth, ‘Martial and State Connections’, examines the origin of the eagle standard and its social and religious functions and the ways the eagle is used or connected to the Roman state or empire. Lastly, the fifth, ‘Political Aspects’, examines the eagle’s relationship to the symbolism of power, through either royalty, important republican figures, or emperors. Due to my methodology, which identifies that symbols have multiple and concurrent meanings, my conclusion outlines the many meanings of the eagle and how they relate to each other. These are categorised into macro-symbolism, which appears across the period, and micro-symbolism, that is defined by particular variables (i.e. location or gender). Lastly, the wider implications draw attention to the multivalences of all symbols in ancient culture and that problems of centre/peripheral identity are bound up within these symbolic expressions.

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Brodeur, Serge 1961. "Domaines vitaux et déplacements migratoires d'Aigles royaux nichant dans la région de la baie d'Hudson au Québec." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55438.

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The objectives of this study were to test for the feasibility of satellite radio-tracking of golden eagles (Aquila chrysaetos) breeding in the Grande-Baleine hydro-electric study area, to assess the size of their home-ranges, to determine their food habits during the nesting season, and to describe migration routes and wintering grounds of these birds.
In June and August 1992, six golden eagles, of which 5 adults (4$ rm sp{o}$ + 1 sex unknown), were caught and fixed with transmitters in order to follow their movements over one year.
The golden eagles fed on various animal species, i.e. 8 mammals, 15 birds and one fish, during the breeding season, however Canada geese (Branta canadensis) were the main item in their diet.
Four of the adult eagles undertook their fall migration in October 1992. The other adult eagle died of an unknown cause while the fate of the nestling could not be determined. All the migratory birds moved south to the United States, but they used different migration routes. The four golden eagles reached their wintering grounds in November and December, 1992.
After a three to four month stay in the wintering area, three eagles undertook their spring migration in March 1993. When returning to the breeding area, two of the eagles followed the same migration routes used in fall, while the third one flew off course to the west into Ontario. The first two birds reached their former territories in March and April while the third eagle only arrived in mid-May 1993.

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Clark, Kennedy H. "Shoreline Habitat Selection by Bald Eagles (Haliaeetus leucocephalus) in a Non-Breeding Eagle Concentration-Area on the James River, Virginia." W&M ScholarWorks, 1992. https://scholarworks.wm.edu/etd/1539625732.

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Kelly, Eamonn Hugh Rennick. "Hibernia : Celtic tiger in the shadow of an eagle?" Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410987.

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Weston, Ewan. "Juvenile dispersal behaviour in the golden eagle (Aquila chrysaetos)." Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=215233.

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In most birds the dispersal process is usually initiated with a straight emigration from the natal site and the cessation of parental care. Yet for some species, particularly those with extended periods of parental care (such as many large raptors like golden eagles), individuals can carry out prospecting movements prior to dispersing. Prospecting behaviour probably involves individuals searching and evaluating sites, and may influence further decisions made at later stages of the dispersal process. I used long life GPS satellite transmitters fitted to nestling golden eagles to follow them as they dispersed. Young golden eagles emigrated from their natal home ranges from 44 days until 250 days after fledging. The rate at which individuals emigrated increased over time and individuals that developed motility more rapidly also emigrating earlier. Over 90% of individuals made at least one distinct movement away from the natal home range prior to emigrating, with early departing individuals making fewer prospecting trips prior to a definitive departure. Individuals that prospected undertook up to 11 prospecting loops that lasted up to 10 days and with longer duration trips being longer in overall length and maximum distance explored from the natal home range. The direction of prospecting forays was positively correlated with the direction of eventual departure, but the penultimate exploration was no more correlated than less recent explorations indicating a non-random exploration direction. These movements during transience were focussed on a series of temporary settlement areas (TSAs) that varied in number per individual and re-visitation rate. TSAs were used more often during the summer months and locations outside of TSAs occurred much more frequently in the core of known breeding home ranges.

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Smith, Timothy John. "The effect of human activities on the distribution and abundance of the Jordan Lake - Falls Lake bald eagles." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/45186.

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I studied the effect of human activities on bald eagle (Haliaeetus leucocephahus) distribution and abundance at Jordan Lake and Falls Lake, North Carolina in 1986 and 1981. Eagles used most of the area available on Jordan Lake, but 63% of the use occurred in the northern 25% of the lake. Eagle use at Falls Lake was restricted to a few areas in the northern section of the lake. Jordan Lake had 1.2 times as many eagle observations as did Falls Lake. Data from radio-tagged eagles and timing of population fluctuations suggest that eagle populations at Jordan and Falls Lakes were principally migrating eagles from southern states. The peak in eagle numbers in May 1981 may have represented a migratory wave, whereas the decrease in June and July may have been the result of some eagles continuing northward. Eagles returning south from the Chesapeake Bay and other northern areas may account for the slight increase observed in August. Two eagle roosts were located and monitored throughout the study at Jordan Lake. Human activities at both lakes peaked during summer months. Boating was the predominant activity during summer. Sixty-three intentional disturbances by motor boats produced a mean eagle flush distance of 131.2 m. Only 8% of the eagles flushed when the approaching boat was > 250 m from shore. Loglinear analysis revealed that human use of the shoreline and eagle use of the shoreline were related. Shoreline segments (250 m) used by humans were used less frequently by eagles than would be expected under a model of complete independence. I saw more eagles and fewer humans on weekdays than on weekends during boat surveys of selected Jordan Lake sections, suggesting that human use in certain sections on weekends displaced eagles. The lake section north of the Farrington Bridge showed the largest difference between eagle numbers on weekdays versus weekends. I developed a regression model that predicted the threshold density of disturbance Within this section to be 0.5 boats/km². On most days during the summer, this threshold level of boating traffic is surpassed in lake sections south of the Farrington Bridge. Primary management objectives should be to reduce human activities within high-eagle use areas, specifically the northern end of Jordan Lake, and to promote the bald eagle as a recreational benefit rather than a management problem.
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Scaife, James. "Sedimentology and sedimentary geochemistry of the Eagle Ford Group, Texas." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:79a42ac1-1672-493b-9781-bfb07b21af9e.

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The Eagle Ford Group is an organic-rich succession of rhythmically interbedded packstones and wackestones, deposited in the southern Western Interior Seaway during the Cenomanian-Turonian of the Upper Cretaceous. Recent investigations have suggested that either eustatic sea level change, astronomical forcings, change in primary productivity and dilution, or changes in local and global benthic oxygenation may be responsible for the Eagle Ford Groups lithological and geochemical variations. However, no consensus has yet been reached. Chapter 3 examines cm-scale geochemical, mineralogical and sedimentological changes to investigate the temporal and spatial variabilities of the Eagle Ford Group. This study suggests the stratigraphical cyclicity of the Eagle Ford Group is a function of alternating periods of high and low primary productivity and accumulation rates possibly modulated by the fertilizing effect of ash falls. Lateral variabilities are determined by the reworking of pelagic sediment by bottom currents, below storm wave base. Chapter 5 investigates changes in water-mass exchange, climate, water-column anoxia and hydrodynamics during the deposition of the Eagle Ford Group. The results of this study show four distinct stages in the deposition. The lowermost stratigraphic third of the Lower Eagle Ford was deposited under a humid climate with high continental runoff, anoxic/euxinic benthic conditions and exchange with a nutrient-rich water mass. The upper stratigraphic two thirds of the Lower Eagle Ford was deposited during a more arid climate, with lower continental runoff, a highly restricted anoxic benthic zone with some periods of euxinia, and little siliciclastic input. The lowermost stratigraphic half of the Upper Eagle Ford was deposited during a mostly humid climate with high continental runoff and the presence of a suboxic benthic zone that experienced multiple periods of oxygenation related to a more open water mass exchange. The upper stratigraphic half of the Upper Eagle Ford exhibits deposition under a more arid climate with lower continental runoff and reduced benthic oxygen content. Global controls, such as perturbations of the global carbon cycle, exert a fundamental role in the large-scale deposition of organic carbon. As such it is important to understand the effect and causes of global events when studying sedimentary systems. The Eagle Ford Group contains one such event Oceanic Anoxic Event 2 (OAE 2). However, the fundamental cause of OAE 2 is still poorly constrained. As such in Chapter 4 mercury concentrations are examined in sedimentary successions spanning the Mid-Cenomanian to Early Turonian interval. The data presented here are consistent with an initial magmatic pulse at the time of the MCE, with a second and greater, pulse at the onset of OAE 2, possibly related to the emplacement of LIPs in the Pacific Ocean and/or the High Arctic.

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Mambrini, Francesco, and Philipp Franck. "Telling stories with inscriptions: the EAGLE storytelling app and beyond." Epigraphy Edit-a-thon : editing chronological and geographic data in ancient inscriptions ; April 20-22, 2016 / edited by Monica Berti. Leipzig, 2016. Beitrag 7, 2016. https://ul.qucosa.de/id/qucosa%3A15469.

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White, Nicholas N. "EVOLUTION OF THE DESIGN AND MODELING OF THE EAGLE SYSTEM." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1308167894.

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Blows, Johanna Maria. "Eagle and crow : an exploration of an Australian aboriginal myth /." New York ; London : Garland, 1995. http://catalogue.bnf.fr/ark:/12148/cb37106125k.

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Ogada, Darcy L. "The ecology and conservation of Mackinder's eagle owls (Bubo capensis mackinderi) in central Kenya in relation to agricultural land-use and cultural attitudes." Thesis, Rhodes University, 2008. http://hdl.handle.net/10962/d1005353.

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The loss of habitat to agriculture is a worldwide problem for biodiversity conservation. One species that has seemingly been able to adapt to the conversion of forests to farmlands is Mackinder’s eagle owl (Bubo capensis mackinderi), which inhabits highland areas, but little is known of its ecology, especially outside of protected areas. This study examined the impact of agricultural practices and farmer’s attitudes on the foraging and population ecology of the Mackinder’s eagle owl in central Kenya. Owl territories were monitored monthly from June 2004- October 2006 for signs of occupancy, breeding activity, mortality and to collect data on food resources. Nest site characteristics were measured for all known nests. Because previous studies showed an affinity for rodents, small mammals were trapped monthly using mark-recapture methodology. In each territory, the type and amount of farm crops were measured each month and farmers were interviewed about their knowledge and beliefs about owls. Mackinder’s eagle owls in central Kenya lived at extremely high density 0.87 owl pairs/km². This density was high compared to other populations of Mackinder’s eagle owl and to Eurasian eagle owl (Bubo bubo) populations in Europe. Breeding success was 48% over three years and this compared well with other species of eagle owl inhabiting human-disturbed areas. All nests and roosts were located in river valleys, and all successful nest sites were located on cliffs or other inaccessible rocky terrain. Nest sites were located adjacent to farms, which provided for both open hunting and an abundance of prey. Breeding activity was concentrated after the rainy seasons and this was likely linked to prey availability after the rains. Agricultural activities generally had a positive effect on rodent populations. Small mammal trapping results revealed that rodents were over 14 times more abundant in farms than in adjacent grassland habitat. This population of Mackinder’s eagle owl had a very catholic diet and consumed mostly mammalian prey species including hares, giant rats, root rats, grooved-tooth rats and small rodents. Small rodents accounted for almost half of the owls’ diet and when their numbers increased, owls responded by consuming more of them, indicating the importance of farming activities to this population of owls. Other populations of eagle owl inhabiting human-disturbed areas had diet widths positively related to levels of habitat disturbance. This result supported optimal foraging theory that more productive environments have predators with more specialized diets, while patchy environments have generalist predators. The ecology of this population of Mackinder’s eagle owls was heavily influenced by human agricultural activities, which generally had a positive effect on their population. Farming activities changed rapidly both within and between seasons as plots were small and neighbouring farmers planted various crops at different times of the year and this was enhanced by irrigation in some areas. Year-round availability of forage within farms had a positive effect on owl prey species, some of which increased relative to the type and amount of crops found in farms. However, 57% of owl injuries and mortalities that occurred were related either directly or indirectly to human activities. Cultural prejudices against owls remain the biggest threat to this population’s long-term persistence. Farmer education was shown to play a significant role in overcoming negative beliefs about owls. Because Mackinder’s eagle owls are highly adaptable to anthropomorphic landscape changes, largely due to their adaptability as food generalists, they are one of the few top predators remaining in this highly disturbed agricultural system. However, populations within agricultural areas remain especially vulnerable to negative human attitudes towards owls due to their close association with human activities.

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Malan, G., E. Strydom, S. Schulz, and G. Avery. "Diet of nesting African Crowned Eagles Stephanoaetus coronatus in emerging and forest–savanna habitats in KwaZulu-Natal, South Africa." Taylor &Francis, 2016. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1002006.

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Abstract The aim of this study was to investigate the species composition of prey caught in the forest, savanna and emerging habitats in which African Crowned Eagles Stephanoaetus coronatus breed in KwaZulu-Natal province, South Africa. At the 17 nest sites, the remains of 195 prey individuals were collected. The five dominant prey species caught were Rock Hyrax Procavia capensis, Vervet Monkey Chlorocebus pygerythrus, Blue Duiker Philantomba monticola, Greater Canerat Thryonomys swinderianus and Bushbuck Tragelaphus scriptus. All of these species respond positively to urban expansion. Only eagles that nested inside protected areas were recorded preying on domestic animals. In terms of biomass, Bushbuck was one of the dominant taxa, and the remains of an estimated 28.8 kg Bushbuck ram was found under a nest. The surprisingly high proportion of Rock Hyraxes and low proportion of Vervet Monkeys caught in emerging habitat may indicate that African Crowned Eagles nesting in this habitat are adapting to a more specialised feeding strategy compared with those nesting in habitats that are more natural. Future studies should investigate how and why prey proliferates in emerging habitats and examine the association between land uses and the diet of African Crowned Eagles.

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Mcallister, Richard. "Diagenetic modifications of the Eagle Ford Formation : implications on chemical and physical properties." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/diagenetic-modifications-of-the-eagle-ford-formation-implications-on-chemical-and-physical-properties(d4f35b0c-1ee9-4466-8e26-16fd05289aca).html.

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This thesis investigates the impacts of diagenesis on the Late-Cretaceous Eagle Ford Formation (Fmn) in south-west Texas. This was achieved utilising many techniques such as of outcrop and core analysis, standard petrographic techniques (including cathodoluminescence [CL] and scanning electron microscopy [SEM]), and geochemical analysis (x-ray diffraction [XRD], stable isotope analysis of C and O within inorganic minerals and Rock Eval pyrolysis). The bulk of diagenetic products and textures were identified via petrographic techniques, with geochemical analysis confirming interpretations based on visual observations. This thesis shows the Eagle Ford Fmn is a calcareous, organic-rich mudstone containing eight distinct lithofacies, which have all been directly impacted by burial diagenesis. The Lower Eagle Ford Fmn mainly comprises of dark organic and clay-rich lithofacies which represent a classic source rock with interbedded carbonate rich lithofacies. The Upper Eagle Ford Fmn is organic and clay-poor, with the bulk of lithofacies carbonate dominated and heavily cemented. An initial anoxic, open marine depositional environment which transitions into an oxic deepening environment is inferred during deposition of the Eagle Ford Fmn. Early, microbial derived redox reactions have precipitated authigenic calcite and pyrite within the Eagle Ford Fmn. Authigenic calcite infills and preserves biogenic debris (mainly planktonic and benthic foraminifera), with pyrite framboids post-dating the carbonate cements. Kaolinite infilling biogenic debris is also a common occurrence indicating it is also an early diagenetic product. Smectite is converted to mixed layer I/Sand illite during deep burial processes at similar depths and temperatures to hydrocarbon generation and expulsion. Authigenic quartz cements precipitate within primary porosity and on top of carbonate cements. Chlorite is observed as the last mineral precipitated in the Eagle Ford Fmn, often pseudomorphed from kaolinite within the micritic matrix. Diagenesis has had the greatest impact on porosity distribution in the Eagle Ford Fmn. The organic, clay-rich lithofacies contain little intra/inter-crystalline porosity with the bulk observed as clay-held or organic porosity. Meanwhile the carbonate-rich lithofacies contain mainly intra-crystalline porosity. Concretions are a common feature observed in the Lower Eagle Ford Fmn outcrops. Four concretion types were identified and studied using a variety of petrological and geochemical techniques. Diagenesis plays a major role in all concretions types. However, primary factors such as sea level fluctuation, sediment input and tectonic activity also have key impacts on the formation of concretions.

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Quamen, Frank R. "Distribution and productivity of bald eagles and ospreys in Wisconsin (1974-1999) /." Link to Abstracts, 2004. http://epapers.uwsp.edu/abstracts/2004/Quamen.pdf.

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39

Girard, Philippe R. "The Eagle and the Rooster: The 1994 U.S. Invasion of Haiti." Ohio : Ohio University, 2002. http://www.ohiolink.edu/etd/view.cgi?ohiou1035828999.

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Wilson, David Joseph Humanities &amp Social Sciences Australian Defence Force Academy UNSW. "The eagle and the albatross : Australian aerial maritime operations 1921-1971." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Humanities and Social Sciences, 2003. http://handle.unsw.edu.au/1959.4/38665.

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The aim of this thesis is to examine the relationship between the Royal Australian Air Force (RAAF) and the Royal Australian Navy (RAN) regarding the operation of aircraft from ships of the RAN and from RAAF shore bases. The effects of the separate intellectual development of maritime doctrine in the RAAF and RAN, and the efforts of the two Australian services to transfer theory into practice will be considered in the pre- (and post) World War II period, with due consideration of the experience of the services in both wars. The thesis will also discuss the problems that were faced by the RAAF and RAN to develop mutually acceptable operational procedures to enable the efficient use of aircraft in a maritime setting. The influence and effect on RAAF and RAN doctrine and equipment procurement, as a result of the special relationships that developed between the Air Force and Navy of Australia and Britain will be critically examined. A similar approach to the post war US/Australian relationship, and its effect on the Australian services, will also be critically examined. The thesis being propounded is that the development of a unique Australian maritime policy was retarded due to a combination of the relationship with Britain and the United States, lack of suitable equipment, lack of clear operational concepts in both the RAAF and RAN and the parochial attitude of the most senior commanders of both Services. The study has been based on Department of Navy, Department of Air and Department of Defence documents held in the National Archives of Australia in Canberra and Melbourne. In addition, relevant documents from the Admiralty and Air Ministry related to the development of naval aviation on RAN vessels during World War I, the attitude of the RAF toward the deployment of RAAF units to Singapore, and the negotiations that resulted in the procurement of HMA Ships Sydney and Melbourne, have been perused. Wartime operational records of the RAAF have been examined to obtain data to enable a critical study to be made of the RAAF anti-submarine campaign, torpedo bomber operations and the maritime campaign undertaken from bases in North Western Area during World War II. The influence of the commander of the United States 5th Air Force has also been incorporated in the discussion. The research uncovered procedural and operational variations between the two Services, the diversion of key elements from Australian command and the priority given to the American line of advance that resulted in Australian operations being given a secondary, supportive, status. A conclusion reached as a result of this research has been that the development of a unique Australian maritime aerial capability was restricted by the requirement of Britain to deploy flying units to Singapore in 1940. Similarly, the pressure exerted on the RAN by the Admiralty to purchase the Light Fleet Carriers in the late 1940s was more in the interests of the RN and British foreign policy than that of the RAN. Overall, the relationship with the Britain and the United States masked the real weakness in Australia???s maritime operations and retarded its development.

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Gervais, Richard. "Évaluation des réserves géologiques du gisement Goldex des mines Agnico-Eagle." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0015/MQ55854.pdf.

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Sobkowiak, Stefan. "Greater black-backed gull and bald eagle predation on American coots." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66134.

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43

Ballantine, Chris. "How well is EAGLE-Net aligned with the National Broadband Plan?" Thesis, University of Colorado at Boulder, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1583285.

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Broadband data networks are becoming increasingly capable of delivering enhanced services and speeds well beyond the capabilities of traditional dial-up. The National Broadband Plan includes guidelines and objectives for broadband development. This study will analyze EAGLE-Net Alliance to determine the extent to which its broadband project is aligned with the relevant goals in the National Broadband Plan. This paper is a case study analyzing a publicly funded broadband project to determine the extent to which it is aligned with the National Broadband Plan.

This study is important because the success of the National Broadband Plan lies, in part, on periodically checking the progress of its stated goals. The study will attempt to interpret data from the federal grant period to determine the extent to which National Broadband Plan goals are aligned with the objectives and results of the EAGLE-Net Alliance project.

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Bourke, Brian. "Population structure and phylogeography of the European golden eagle Aquila chrysaetos." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444635.

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McAlpine, Stuart Robert. "What drives black hole and galaxy growth in the EAGLE simulation?" Thesis, Durham University, 2018. http://etheses.dur.ac.uk/12853/.

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In this thesis we investigate what drives the evolution of actively accreting central supermassive black holes and unusually active strongly star-forming galaxies using the Evolution and Assembly of GaLaxies and their Environments (EAGLE) suite of cosmological hydrodynamical simulations. We find that many of our results are intimately tied to the complex evolutionary pathway taken by the central black holes within the simulation. This evolution can be separated into three distinct phases, each related to the mass of the host dark matter halo. In low mass haloes, stellar feedback dominates by driving an effective outflow and substantially hinders the growth of the central black hole. As haloes become more massive, the stellar feedback loses its efficiency, and the outflow stalls. This gives the first opportunity for the central black hole to grow, which is does so initially at a rapid rate. After this phase of rapid growth, the central black hole then becomes sufficiently massive to regulate the gas inflow onto the halo, resulting in both the star formation of the galaxy and any continued rapid growth of the central black hole to be substantially restricted via the outputted energy of an actively accreting supermassive black hole (referred to as an active galactic nuclei, or AGN). In Chapter 2 we discover that this complex evolutionary behaviour is integral to understanding how the growth rates of galaxies and their black holes are related to each other throughout cosmic time. We use this behaviour to explain why the current observational studies report different relationships between galaxy and black hole growth rates depending on the initial selection method used. Finally, in Chapter 3 we find that the evolutionary state of the black hole is also closely connected with high star formation rates in lower mass galaxies ($M_* \lesssim 10^{11}$~\Msol, where $M_*$ is the stellar mass of the galaxy). Such 'starbursting' galaxies are rare, and we argue that they are produced through a culmination of two coinciding events; (1) the galaxy must host an underdeveloped black hole (one that has not yet entered its rapid growth phase), thus ensuring that the galaxy has maintained a gas rich reservoir and contains a low mass black hole; and (2) the galaxy must undergo an interaction to kick-start the starburst process. This tells us that strongly star-forming galaxies are a predominately merger driven population that host undermassive black holes, making them fundamentally distinct from the 'typical' star-forming population.

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Bueno, Thaís Ribeiro 1982. "To see with serpent and eagle eyes = tradução e literatura chicana." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/269521.

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Orientador: Maria Viviane do Amaral Veras
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Estudos da Linguagem
Made available in DSpace on 2018-08-20T03:48:21Z (GMT). No. of bitstreams: 1 Bueno_ThaisRibeiro_M.pdf: 823992 bytes, checksum: c6729e69eab67c4473cd6a137925372d (MD5) Previous issue date: 2012
Resumo: Historicamente, a tradução tem sido pensada em função de pares dicotômicos (original/tradução; autor/tradutor; domesticação/estrangeirização; língua-fonte/línguaalvo), raciocínio que revela a crença na possibilidade de uma língua homogênea e estanque. Contudo, em comunidades cuja política e sociedade são fortemente marcadas por fatores de heterogeneidade étnica e linguística, tal crença fica abalada, sobretudo, quando se nota a enorme diversidade de línguas decorrente dessa heterogeneidade, tanto nas interações entre os falantes quanto na literatura. Esse é o caso da literatura chicana, que constitui o corpus desta pesquisa, sendo representada por Gloria Anzaldúa e Rolando Hinojosa, autores de Borderlands/La Frontera - The New Mestiza e Dear Rafe/Mi Querido Rafa, respectivamente. Tais obras, guardadas suas singularidades, apresentam marcas de heterogeneidade linguística (a escrita construída a partir do inglês, do espanhol e até mesmo do nahuatl, língua falada no império asteca; o codeswitching [ou alternância de código]; o braiding languages [ou entrelaçamento de línguas]; a subversão dos limites dos gêneros textuais) que desafiam qualquer projeto tradutório que se paute por noções tradicionais de língua e tradução. Com base nesse panorama, analisamos neste trabalho as possibilidades de reflexão que as obras do corpus podem oferecer ao campo dos estudos da tradução e as consequências de tal reflexão para a ética e para o tradutor (se é possível pensarmos em um único perfil). Tal reflexão é feita com base em conceitos e ideias propostos por linguistas, tradutores e teóricos da tradução de linha pós-estruturalista, tais como Lawrence Venuti, Kanavillil Rajagopalan e Alexis Nouss, pensadores de orientação pós-moderna, como Jacques Derrida, e teóricos de linha pós-colonialista, como Homi Bhabha
Abstract: Translation theories have been historically based on dichotomies (original/translation; author/translator; domestication/foreignisation; source language/target language). Such discourse unveils the belief in the possibility of linguistic homogeneity. Nevertheless, such belief becomes unsustainable in communities which politics and society are expressly marked by ethnic and linguistic heterogeneity issues, and mainly by the enormous range of linguistic diversity due to such heterogeneity, among speakers and in the literature. Chicano literature is an example, and two of the major Chicano works constitute the corpus of this research: Gloria Anzaldúa's Borderlands/La Frontera - The New Mestiza and Rolando Hinojosa's Dear Rafe/Mi Querido Rafa. Besides their own singularities, these two books are marked by linguistic heterogeneity (the writing is based on English, Spanish and Nahuatl, originally spoken in the Aztec empire; the codeswitching, the braiding languages; the transgression of genre boundaries) and defy any attempt of translation based on traditionalist language conceptions. Based on that, we propose an analysis of how the corpus of this research allows new possibilities of thinking translation and the consequences of these analyses for a translation ethics and for the translator (if we can think in such terms). Such analysis is based on concepts and ideas proposed by poststructuralist linguists, translators and translation theorists such as Lawrence Venuti, Kanavillil Rajagopalan, and Alexis Nouss. We also base our study on the works of postmodern thinkers, such as Jacques Derrida, and postcolonialist writers, such as Homi Bhabha
Mestrado
Teoria, Pratica e Ensino da Tradução
Mestre em Linguística Aplicada

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47

Mersmann, Timothy James. "Foraging ecology of bald eagles on the northern Chesapeake Bay with an examination of techniques used in the study of bald eagle food habits." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/46051.

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We monitored distribution and abundance of food resources and determined food habits of nonbreeding bald eagles (Haliaeetus leucocephalus) on the northern Chesapeake Bay, as a preliminary step toward examining food-base effects on bald eagle distribution and abundance. To correctly interpret our food habits results, we first examined biases of 2 commonly-used food habits techniques, pellet analysis and food remains collection, through feeding trials with 2 captive bald eagles. Eagles were fed a variety of food items found on the northern Bay. Egested pellet contents and frequency of remains were compared with actual diet. We also examined efficacy of direct observation by observing eagles in high-use foraging areas. We found pellet analysis accurately indicated the species of birds and mammals eaten, but overrepresented medium-sized mammals and underrepresented large carrion in percent occurrence results. Fish were poorly represented in pellets. Eagles rarely produced pellets after eating fish, suggesting that pellet egestion rate, defined as the number of pellets produced per eagle per night, can serve as an index to relative use of birds and mammals. Food remains collection was highly biased toward birds, medium~sized mammals, and large, bony fish. Direct observation was labor intensive and required close proximity of the observer for unbiased identification of food items. Observation may be the only means of documenting eagles' use of small, soft-bodied fish.

We used direct observation, pellet analysis, and pellet formation rates to determine bald eagle food habits from December 1986 through April 1988. We monitored fish abundance by gill netting and waterfowl abundance by aerial surveys over this same period. Fish and waterfowl abundance varied reciprocally; waterfowl numbers peaked in winter and fish numbers peaked in spring and late summer. Bald eagles responded to differences in food abundance with diet shifts. Canada geese (Branta canadensis), mallard (Anas platyrhynchos), and white-tailed deer (Odocoileus virginianus) carrion were primary foods from November through February. Cold-stressed gizzard shad (Dorosoma cepedianum) were captured frequently by eagles below a hydroelectric dam on the Susquehanna River in November and December, and also were taken frequently throughout the study area during a winter when ice cover was extensive. Shad were not commonly available during a milder winter. From April through September, bald eagles fed on a variety of fish species, primarily gizzard shad, channel catfish (Ictalurus punctatus), Atlantic menhaden (Brevoortia tyrannus), white perch (Morone americana), American eel (Anguilla rosfrata), and yellow perch (Perca flavescens). The 4 most commonly consumed fish species also were the most commonly gill netted species. At least 25% of all fish taken were scavenged. Live fish were most abundant at the water's surface in shallow water. Bald eagles' use of live fish reflected this availability; water depth at live fish capture sites was less than at sites where fish of dead or unknown status were taken. Eagles foraged most intensively within 1 hour of sunrise. A second smaller peak in foraging activity was observed in early afternoon.

Master of Science

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48

Spangler, Susan Bloome Neuleib Janice. "An eagle winged like a worm regression under stress in student teachers /." Normal, Ill. : Illinois State University, 2006. http://proquest.umi.com/pqdweb?index=0&did=1251813381&SrchMode=1&sid=2&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1179156866&clientId=43838.

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Thesis (Ph. D.)--Illinois State University, 2006.
Title from title page screen, viewed on May 14, 2007. Dissertation Committee: Janice Neuleib (chair), Claire Lamonica, James Meyer, Paula Ressler. Includes bibliographical references (leaves 223-228) and abstract. Also available in print.

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Holdaway, Richard N. "Systematics and palaeobiology of Haast's eagle (Harpagornis moorei Haast, 1872) (Aves: Accipitridae)." Thesis, University of Canterbury. Zoology, 1991. http://hdl.handle.net/10092/6074.

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A phylogenetic analysis of the family Accipitridae was based on 188 osteological characters for 44 living genera, plus Haast's Eagle (Harpagornis moorei Haast, 1872), a large fossil species from the New Zealand Quaternary. Haast's Eagle is sister group to the Aquila eagles, which are themselves close to forest eagles of the genus Spizaetus. Most major groups recognised before were present, but some new groupings were revealed. Haast's Eagle is represented by copious material from over 40 sites, with more than 60 individuals. One 99% intact skeleton is known. A second nominal species (Hatpagornis assimilis Haast, 1874) is a junior synonym of H. moorei, and possibly represents the smaller male. The eagle's distribution did not match major environmental patterns, but appears to have been associated with a group of species of moas, Dinornithiformes. The eagle's distribution apparently changed with the climatic amelioration at the end of the Otiran glaciation, when it apparently retreated from northern and western areas as these became clothed in dense, wet forest. In the Holocene, it was most abundant in the east and south of the South Island, where there was a mosaic vegetation pattern of drier forest and shrublands. It was rare, or absent from inland and northern North Island districts during the Holocene. Sites in caves represent pit traps that caught eagles that entered to take live prey, probably large ground birds. Swamps may have trapped eagles that were attacking trapped moas and other birds, but the evidence is equivocal and specimens may represent natural attrition from a population. However, claw marks on 10% of moa pelves from birds in the 80-100 kg weight range in Canterbury Museum collections provide strong support for the predation hypothesis. The distribution of the eagle and its major potential prey species also support an hypothesis of an active predator rather than an obligate carrion eater. Ecomorphological analysis also supports the eagle's role as being a predator. Various multivariate statistical procedures consistently result in Haast's Eagle clustering with large forest eagles that use flapping flight, rather than with gliding eagles or vultures. This does not support the carrion feeder hypothesis. The eagle's wing proportions also suggest that it flapped rather than glided. There was some support for the two sexes having different flight patterns, and possibly different preferred prey. Haast's Eagle was the major predator in a mammal-free environment. Although phylogenetically an aquilin eagle, Haast's eagle had evolved into the largest, seemingly most powerful, forest and forest margin bird of prey known. The mosaic of features in this species illustrates the extreme plasticity, within narrow functional/historical limits, that characterises the Accipitridae.

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50

Lund, Linnea. "Decline Curve Analysis of Shale Oil Production : The Case of Eagle Ford." Thesis, Uppsala universitet, Naturresurser och hållbar utveckling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-235816.

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Production of oil and gas from shale is often described as a revolution to energyproduction in North America. Since the beginning of this century the shale oilproduction has increased from practically zero to currently supply almost half of theU.S. oil production. This development is made possible by the technology ofhorizontal drilling and hydraulic fracturing. Since the production has not been ongoingfor that long, production data is still fairly limited in length and there are still largeuncertainties in many parameters, for instance production decline, lifespan, drainagearea, geographical extent and future technological development. More research isneeded to be able to estimate future production and resources with more certainty. At the moment shale oil is extracted only in North America but around the worldinvestigations are starting to assess if the conditions are suitable from shale oilextraction elsewhere. The global technically recoverable resource has been estimatedto 345 Gb, 10% of all global technically recoverable resources. Health andenvironmental aspects of shale oil and gas production have not yet been investigatedthoroughly and there is a risk that these parameters may slow down or limit thespreading of shale development. This report aims to examine production patterns of shale oil wells by applying declinecurve analysis. This analysis comprises of analyzing historical production data toinvestigate how the future production may develop. The area of the study is the EagleFord shale play in Texas, U.S. The goal is to fit decline curves to production data andthen use them for making estimates of future production in the Eagle Ford. The production in the shale oil wells included in the study reach their peak already within a few months after production starts. After this point, production is declining.After one year, production has decreased by 75% and after two years the productionis 87% of the peak production. The hyperbolic decline curve has a good fit toproduction data and in many cases the curve is close to harmonic. It is too early todetermine whether the alternative decline curve that is tested, the scaling declinecurve, has a better fit in the long term. The report also investigates how the density of the petroleum affects the declinecurve. The result is that lighter products decline faster than heavier. A sensitivity analysis is performed to illustrate how different parameters affect thefuture production development. In addition to the wells’ decline rate, the assumptionson the maximum number of wells, the maximal production and the rate at which newwells are added affect the ultimately recoverable resource. These parameters all havelarge uncertainties and makes resource estimations more difficult.

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Dissertations / Theses on the topic 'Eagle'

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