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1

Gordini, Emiliano. « Integrazione di metodologie geofisiche, geomorfologiche, sedimentologiche e geochimiche, per la definizione della genesi e dell'età degli affioramenti rocciosi presenti sul fondale marino dell'Adriatico settentrionale ». Doctoral thesis, Università degli studi di Trieste, 2009. http://hdl.handle.net/10077/3206.

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2007/2008
Da molti anni i fondali marini dell’Adriatico Settentrionale sono oggetto di interesse scientifico. Si annoverano studi accademici già dal 1792 ma solamente dalla seconda metà degli anni sessanta, grazie agli studi geologici, geofisici e geomorfologici, intrapresi da alcuni ricercatori è stato possibile evidenziare che i fondali marini del Golfo di Venezia unitamente al Golfo di Trieste sono prevalentemente sabbioso-limosi e monotoni dal punto di vista morfologico e delle forme di vita animali e vegetali. Questa monocorde caratteristica del fondo dell’alto Adriatico viene interrotta solamente dalla presenza di elevazioni a substrato roccioso denominate localmente Grebeni, Trezze, Tegnùe e Scagni. I risultati di questo dottorato di ricerca hanno permesso, attraverso l’integrazione di acquisizioni geofisiche, campionamenti diretti in situ, registrazioni video e fotografiche, misure in laboratorio, di ampliare il quadro delle conoscenze acquisite fino ad ora sugli affioramenti rocciosi presenti nel fondale marino dell’alto Adriatico, e di aggiungere nuove indicazioni sull’età dei depositi cementati e sui processi diagenetici che hanno portato alla loro formazione. Dall’attività di studio morfo-batimetrico e sismostratigrafico è stato possibile trarre una prima considerazione sulla distribuzione, numero e forma degli affioramenti segnalati facendo emergere che il loro numero è diseguale nel Golfo di Venezia rispetto a quello di Trieste, con i primi di gran lunga superiori ai secondi, e che questi si presentano in entrambi i golfi eccezionalmente in forma solitaria, normalmente in gruppi di affioramenti di densità variabile da 0,5 sino a 3,25 affioramenti per km2. Dalla tipologia di questi raggruppamenti è stato possibile distinguere quelli a gruppo puntuale, quelli a gruppo allineato ed infine, quelli a gruppo frastagliato. Si è cercato infine di verificare se esistesse un rapporto tra forma di affioramento e processo genetico; è emerso che almeno al momento non si sono riscontrate relazione univoche tra forma e processi diagenetici. Questi avvengono su depositi di ambiente continentale, oppure marino con caratteri molto simili, dove il tipo di deposito sembra essere responsabile solamente di un eventuale effetto accumulo o influenzante il regime di flusso del gas attraverso i sedimenti portando ad una maggiore concentrazione di emanazioni gasose e dunque all’instaurarsi di processi di precipitazione di carbonato di calcio, tipici delle aree di seepage, lungo aree preferenziali. L’indagine sull’immediato sottofondo marino ha messo in evidenza da un lato lo scarso radicamento degli affioramenti nella coltre sedimentaria e dall’altro la presenza di numerose sacche di gas nell’immediate vicinanze degli affioramenti. Lo studio delle sezioni sottili di roccia realizzato con microscopio petrografico ed elettronico in dispersione di energia, ha portato all’individuazione di cementi riconducibili ad una precipitazione avvenuta prevalentemente in ambienti francamente marini subtidali o al limite della fascia più profonda intertidale, mentre in alcuni casi, il cemento è risultato talmente scarso da non permettere alcuna interpretazione. Confrontando i cementi aragonitici a struttura aciculare e/o fibroso raggiata individuati in alcune rocce dell’ alto Adriatico con quelli osservati in lastre carbonatiche campionate all’interno di alcuni pockmarks presenti al largo delle coste norvegesi è evidente una forte similitudine morfologica. In tal senso risulta rafforzata una genesi legata alla fuoriuscita di gas metano originatosi per la combinazione di processi di ossidazione anaerobica e solforiduzione batterica della sostanza organica presente nei sedimenti sottostanti. Dalle analisi isotopiche è emersa la conferma di quanto dedotto dalla semplice forma dei cementi. E’ risultato che il rapporto isotopico del carbonio dei campioni bulk analizzati (frazione detritica + bioclastica) si colloca in un intervallo compreso tra -26,30 / -10,28 ‰ , mentre sono risultati valori nettamente più negativi per quanto riguarda i soli campioni di cemento accuratamente prelevato al microscopio (intervallo compreso tra -49,8 / -38,0 ‰). Infine sono state condotte analisi 14C su due campioni di cemento aragonitico e su tre bioclasti inglobati sulla roccia cementata. E’ risultato che la probabile età delle torbe da cui è iniziato il processo di metanogenesi è compatibile con l’età dei cementi analizzati, che risulta variabile da 15.940 a 21.700 anni B.P., come d’altra parte supposto in altri lavori, mentre la cementazione è avvenuta in lassi di tempo inferiori da 8.220 a 4.990 anni B. P. e si è realizzata in tempi probabilmente recenti e tutt’oggi in atto. A conclusione di questo dottorato è possibile evidenziare che è stata raggiunta una esaustiva conoscenza degli affioramenti rocciosi presenti nel fondale marino dell’alto Adriatico, definendo dettagliatamente la loro diffusione, e per alcuni la loro genesi ed età. E’ stata accertata la formazione metanogenica di alcuni di questi litosomi e la loro formazione in ambiente marino. Per altri affioramenti questa definizione non è stata possibile a causa della scarsità di materiale reperibile per analisi ottiche ed isotopiche. E’ stata accertata per questi litosomi l’età olocenica della loro cementazione; rimane comunque, da accertare se questo tipo di genesi sia la sola responsabile delle migliaia di rocce sottomarine individuate, o se questa sia solamente quella preponderante su altre tipologie, attualmente non confermate. Per ultimo ma non meno importante, va sottolineato che anche in relazione a questo dottorato di ricerca si assiste oggi ad una maggior attenzione della classe politica locale e nazionale al problema della gestione e della difesa di questi particolari geo-biositi che oltretutto possono essere utilizzati e valorizzati come aree di ripopolamento bentonico e nectonico e che recentemente sono stati censiti come probabili aree SIC.
XX Ciclo
1970
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2

Grebing, Jochen [Verfasser]. « Electronic Transport Measurements on Si4 Clusters / Jochen Grebing ». Aachen : Shaker, 2010. http://d-nb.info/1081885424/34.

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3

Greben, Kyrylo [Verfasser], Roger [Akademischer Betreuer] Wördenweber et Berenike [Akademischer Betreuer] Maier. « Modification and Characterization of Potential Bioelectronic Interfaces / Kyrylo Greben. Gutachter : Roger Wördenweber ; Berenike Maier ». Köln : Universitäts- und Stadtbibliothek Köln, 2014. http://d-nb.info/1070371343/34.

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Greben, Kyrylo Verfasser], Roger [Akademischer Betreuer] [Wördenweber et Berenike [Akademischer Betreuer] Maier. « Modification and Characterization of Potential Bioelectronic Interfaces / Kyrylo Greben. Gutachter : Roger Wördenweber ; Berenike Maier ». Köln : Universitäts- und Stadtbibliothek Köln, 2014. http://d-nb.info/1070371343/34.

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5

Clowater, James S. « Distribution and foraging behaviour of wintering western grebes ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq37504.pdf.

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Grebner, Olaf [Verfasser], et R. [Akademischer Betreuer] Studer. « Using Unified Personal Information in Workspaces / Olaf Grebner. Betreuer : R. Studer ». Karlsruhe : KIT-Bibliothek, 2009. http://d-nb.info/1014099900/34.

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7

Cullen, Sean Anthony. « Population biology of eared grebes in naturally fragmented habitat ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq37507.pdf.

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8

Grebe, Tim [Verfasser]. « Four Essays on Auction Mechanisms / Tim Grebe ». Aachen : Shaker, 2009. http://d-nb.info/1161311394/34.

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9

Lortie, André. « Jacques greber (1882-1962) et l'urbanisme : le temps et l'espace de la ville ». Paris 12, 1997. http://www.theses.fr/1997PA120106.

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Jacques greber, diplome de l'ecole des beaux-arts en 1909,intervient pour la premiere fois en tant qu'urbaniste en 1916, a philadelphie. Avec henri prost, il est parmi les rares francais a avoir eu une carriere polyvalente et productive qui ait embrasse les deux guerres et les deux reconstructions. Sa presence sur la scene internationale accompagne donc l'episode central de cette periode pendant laquelle l'approche sensible de l'art urbain se transforme en une demarche rationnelle liee a un domaine de pratique specifique, l'urbanisme. De philadelphie, il revient en france participer au concours de paris en 1919, dont il est un des laureats,de meme qu'a lille. Puis c'est salins-les-bains (1922), la region de philadelphie (1923-1932),la region lilloise (1920-1957),abbeville (1932-1945),marseille (1930-1940),ottawa (1937-1960),rouen (1940-1947),saint-omer (1940-1947),saint etienne du rouvrai (1947),la region d'ottawa-hull (1945-1960),montreal (1945-1952) et quebec (1956). Il exerce egalement comme architecte et paysagiste et est nomme architecte en chef de l'exposition internationale de paris de 1937. A la lumiere des cas particuliers des villes ou jacques greber est intervenu, c'est sur le role de l'urbaniste que porte la these: le poids des temporalites urbaines serait tel qu'elles s'imposeraient a celui-ci jusqu'a le declasser en tant qu'auteur,au risque pour lui,dans le cas contraire,de ne produire qu'un projet theorique, deconnecte de la realite anthropo-geographique. Des lors, le role de l'urbaniste serait celui d'un mediateur : mediateur technique, federant les logiques et les volontes d'intervenants de multiples horizons, techniciens, technocrates, representants de l'etat, etc. ; mediateur spatial, entre les logiques politiques, techniciennes et technocratiques, d'un cote, et l'espace reel de la ville, de l'autre cote; mediateur historique, enfin,dans la mesure ou il condense les temporalites de villes en devenir en une synthese unique.
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10

Grebing, Sarah Caecilia [Verfasser], et B. [Akademischer Betreuer] Beckert. « User Interaction in Deductive Interactive Program Verification / Sarah Caecilia Grebing ; Betreuer : B. Beckert ». Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1198309989/34.

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Grebing, Sarah [Verfasser], et B. [Akademischer Betreuer] Beckert. « User Interaction in Deductive Interactive Program Verification / Sarah Caecilia Grebing ; Betreuer : B. Beckert ». Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1198309989/34.

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12

Breault, Andre Mario. « Breeding distribution, habitat selection and factors affecting coloniality in eared grebes in British Columbia ». Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28922.

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In this study, I first describe distribution and abundance of breeding Eared Grebes {Podiceps nigricollis) in British Columbia. Second, I characterize and examine the relationships between nesting habitat and nest site selection on breeding group size. Finally, I. examine effects of colony size, nesting chronology and nesting synchrony on reproductive success at Eared Grebe colonies. I surveyed 421 wetlands in 1985 and 1986 and located 47 lakes used by nesting Eared Grebes. Those 47 lakes accomodated from a low estimate of 1761 to a high estimate of 4474 pairs. Breeding abundance, calculated from adult, nest and young counts, ranged from single pairs to more than 590 pairs per lake. Breeding took place in shallow lakes of various sizes, subject to extensive variations in water levels. Breeding abundance was positively correlated with lake area. Fewer breeding pairs utilized nesting areas close to shore (in shallower water) than nesting areas far from shore (in deeper waters). Nesting areas close to shore were found in smaller lakes and were used less often in consecutive years than nesting areas far from shore, presumably because of lower habitat predictability. An experiment with unattended artificial nests showed that nest predation was higher far from shore than close to shore. Nesting areas close to shore were used by small groups. These maximized concealment by being located in denser vegetation. Nesting areas far from shore were used by larger groups and were located in more open areas. On both years, adults arrived at nesting lakes in April and May, started laying on 27 May and departed from, nesting areas in late July and- early August. Nesting was significantly earlier and reproductive success per pair was significantly higher in 1985 than in 1986. A .stepwise multiple regression examined effects of colony-size, synchrony and chronology on nesting success. Only nesting chronology accounted for differences in nesting success. Late nesters were not birds attempting to renest. Instead, there appeared to be qualitative differences across colonies that were related to ages of breeders. Eared Grebe colonies are likely not formed from passive aggregation at limiting resources and there are likely no foraging benefits from colonial nesting. Nesting colonies could increase detection and mobbing of predators, but no evidence supported this. Anti-predator benefits of coloniality might have been masked by differences in breeding chronology and synchrony, or were missed because of low sample size.
Science, Faculty of
Zoology, Department of
Graduate
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13

Galke, C., T. Koal et H. T. Vierhaus. « Möglichkeiten und Grebzen der automatischen SBST Generierung für einfache Prozessoren - Fallstudie des Testprozessors T5016tp ». Universitätsbibliothek Chemnitz, 2007. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200700884.

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Software-basierte Selbsttest (SBST) Konzepte für Prozessoren werden zunehmend interessant nicht nur durch die At-Speed Test Problematik. Auch bezüglich Stromaufnahme und Testzeit bietet dieses Testkonzept gegenüber dem Standard Verfahren wie etwa Scan-Test Vorteile. Als grundsätzlich problematisch ist die Erzeugung solcher software-basierten Testroutinen anzusehen, da bislang kein geeigneter einheitlicher Entwurfsprozess vorliegt. Deshalb wurde exemplarisch für einen einfachen 16-bit Prozessorkern sowohl eine manuelle rein funktional erstellte SBST und eine automatisch generierte auf Strukturinformationen basierende SBST untersucht um die Möglichkeiten und Grenzen eines solchen Ansatzes aufzuzeigen.
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Grebner, Wiebke [Verfasser], et Susanne [Akademischer Betreuer] Berger. « Organspezifische Bildung und Funktion von Oxylipinen in Arabidopsis thaliana / Wiebke Grebner. Betreuer : Susanne Berger ». Würzburg : Universitätsbibliothek der Universität Würzburg, 2013. http://d-nb.info/1032131438/34.

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Wheeler, Tanya. « Nesting ecology of a population of red-necked grebes in northwestern Ontario ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60872.pdf.

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Vickers, John J. [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « Stellar Tracers and Galactic Exploration / John J. Vickers ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2014. http://d-nb.info/118003340X/34.

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Grebe, Nadine [Verfasser]. « Analyse humaner regulatorischer T-Zellen im humanisierten Mausmodell / Nadine Grebe ». Mainz : Universitätsbibliothek Mainz, 2013. http://d-nb.info/103701264X/34.

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Kindopp, Rhona, et University of Lethbridge Faculty of Arts and Science. « Patterns of habitat use of breeding ducks and grebes in the western boreal forest ». Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biology, c2006, 2006. http://hdl.handle.net/10133/2520.

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Canada’s boreal forest provides important breeding habitat for 12 to 14 million migratory birds annually. Nonetheless the ecology of boreal wetlands remains poorly understood. Over the last 40 years, rapid industrial development with little attention to conservation has been ongoing in the region. Apparent population declines of species, such as that of lesser scaup have raised concerns about the quality of western boreal wetlands. This is one of very few studies demonstrating patterns in brood-rearing habitat use by ducks and grebes in the Canadian western boreal forest. In this study, wetland characteristics associated with brood-rearing wetlands of American wigeon (Anas Americana), green-winged teal (Anas crecca), mallard (Anas platyrhynchos), lesser scaup (Aythya affinis), ring-necked duck (Aythya collaris), horned grebe (Pondiceps auritus), and red-necked grebe (Podiceps grisegena) were investigated on 75 wetlands near Yellowknife, NT, Canada. I used Principle Components and regression analyses to delineate patterns of habitat use by breeding water birds. Results indicate that physical characteristics of wetlands, area in particular, had stronger correlations with brood-rearing habitat then did invertebrate abundance. Invertebrate groups positively associated with brood-rearing wetlands included: Amphipoda, Pelecypoda, and or Ephemeroptera. Breeding diving ducks had negative iv associations with Dipteran abundance. Diving ducks and red-necked grebes were more strongly correlated with habitat variables then were dabbling ducks and horned grebes. Brood-rearing wetlands of the smallest birds in the study, green-winged teal and horned grebe, had the fewest and weakest associations with habitat variables.
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Hanke, Michael [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « Probing the early Milky Way with stellar spectroscopy / Michael Hanke ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2020. http://d-nb.info/1214716962/34.

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Pellnor, Johanna. « Population dynamics of the horned grebe in constructed wetlands in Östergötland ». Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176509.

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The population size of the horned grebe, Podiceps auritus, is declining in most of the world due to loss of wetlands, deteriorating water quality and establishment of predatory fish such as pike, Esox lucius, in former fish free wetlands. The horned grebe is now globally classified as vulnerable. In this study, data on population dynamics of the horned grebe in six created wetlands in Linköpings kommun was examined together with field work carried out in three of the wetlands. The results indicate that the number of pairs and juveniles of horned grebe crash six to eight years after the wetland is created and does not recover if there is fish present. The pairs and juveniles of horned grebe decreased significantly with the increasing age of the wetland if there was pike present in the wetland. Reduction fishing and drainage of the water in two of the wetlands inhabited pike showed a small improvement in population size of the horned grebe, but the numbers ultimately declined after a few years. Reduction fishing of common roach in one wetland showed a continuing improvement in the population size of horned grebe. Other factors that affected the horned grebe negatively, was an abundance of macrophytes such as Canadian pondweed, Elodea canadensis, that makes foraging harder.
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Perry, Kenneth William. « The ecology and conservation of great crested grebes Podiceps cristatus at Lough Neagh, Northern Ireland ». Thesis, University of Ulster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326328.

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Schlesier, Christin [Verfasser], Gotthard [Gutachter] Seifert et Thomas [Gutachter] Greber. « Synthese und magnetische Eigenschaften von Dysprosium-Nitrid-Clusterfullerenen / Christin Schlesier ; Gutachter : Gotthard Seifert, Thomas Greber ». Dresden : Technische Universität Dresden, 2019. http://d-nb.info/1226896758/34.

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Prudil, Zdeněk Verfasser], et Eva K. [Akademischer Betreuer] [Grebel. « RR Lyrae stars as tracers of substructure and Galactic archaeology / Zdeněk Prudil ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2020. http://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-282952.

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Prudil, Zdeněk [Verfasser], et Eva [Akademischer Betreuer] Grebel. « RR Lyrae stars as tracers of substructure and Galactic archaeology / Zdeněk Prudil ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2020. http://d-nb.info/1209740524/34.

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Delahoussaye, Leah M. « Eared Grebe Nesting Ecology and Chronology Along the Great Salt Lake, Utah ». DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7524.

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Eared Grebes (Podiceps nigricollis) are migratory birds that build their nests over water and in large groups called colonies. Their typical breeding range is in central southern Canada and northern United States; however, a previously uncertain number of Eared Grebes (grebes) also nest around the Great Salt Lake (GSL), Utah, at the southern edge of their breeding range. Little is known about the habitat requirements for grebe nesting colonies at such low latitudes and if they are different from colonies found elsewhere. My objectives for this research were to determine the status of the grebe nesting population as well as their habitat characteristics along the GSL in freshwater wetlands. I found over 4,280 grebe nests distributed among 35 colonies. Grebes built nests by mounding submerged aquatic vegetation (SAV) beginning the first week of June. The results from my habitat study show that grebes prefer to nest in areas with an average water depth of 48 cm, high invertebrate density, and abundant areas of floating SAV. Water depth and vegetation type at colony sites as well as timing of nesting and average number of eggs per nest of GSL colonies differed from colonies located at more northern latitudes. The differences in nesting could be attributed to the need to wait for SAV to grow and form mats on the water’s surface, or a need to wait for their food source to reach harvestable size. After grebes leave their nesting grounds, they stop at the GSL where they prepare for their final migration southward by consuming their fill of brine shrimp (Artemia franciscana). Brine shrimp are tiny invertebrates that are well-adapted to salty environments; they produce hard-walled eggs called cysts which are of great economic value and are commercially harvested from the GSL. I compared cyst viability, which is the percentage of cysts in a condition conducive to hatching, for cysts that had passed through the digestive tract of grebes and cysts samples obtained from the GSL. Only 30% of the cysts that had passed through grebes were viable, whereas 63% of cysts from the GSL were viable.
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Grebner, Christoph [Verfasser], et Bernd [Akademischer Betreuer] Engels. « New Tabu-Search Algorithms for the Exploration of Energy Landscapes of Molecular Systems / Christoph Grebner. Betreuer : Bernd Engels ». Würzburg : Universitätsbibliothek der Universität Würzburg, 2013. http://d-nb.info/1031379622/34.

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Grebner, Alexander [Verfasser], et Geoffrey [Gutachter] Lee. « Organic and Hybrid Nanoparticles for Controlled Instigation of Inertial Cavitation Using Therapeutic Ultrasound / Alexander Grebner ; Gutachter : Geoffrey Lee ». Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2017. http://d-nb.info/1132337445/34.

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Simunovic, Muñoz Mirko [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « The Blue Straggler Star Populations in Galactic Globular Clusters / Mirko Simunovic Muñoz ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://d-nb.info/1180739531/34.

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Shabani, Faiezeh [Verfasser], et Eva [Akademischer Betreuer] Grebel. « A Study of Spiral Structures and Lopsidedness in LEGUS Disk Galaxies / Faiezeh Shabani ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2019. http://d-nb.info/1200410807/34.

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Grebel, Antje [Verfasser], Tobias [Akademischer Betreuer] Melz et Karsten [Akademischer Betreuer] Tichelmann. « Unsicherheit bei der Bestimmung der Schallabsorption mithilfe des Kundt’schen Rohres / Antje Grebel ; Tobias Melz, Karsten Tichelmann ». Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2020. http://d-nb.info/1219655899/34.

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Simunovic, Muñoz Mirko Verfasser], et Eva K. [Akademischer Betreuer] [Grebel. « The Blue Straggler Star Populations in Galactic Globular Clusters / Mirko Simunovic Muñoz ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-225846.

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Shabani, Fayezeh [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « A Study of Spiral Structures and Lopsidedness in LEGUS Disk Galaxies / Faiezeh Shabani ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2019. http://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-274178.

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Shabani, Fayezeh [Verfasser], et Eva [Akademischer Betreuer] Grebel. « A Study of Spiral Structures and Lopsidedness in LEGUS Disk Galaxies / Faiezeh Shabani ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2019. http://d-nb.info/1200410807/34.

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Emam, Sherief [Verfasser], Thomas [Akademischer Betreuer] Grebel, Jens [Gutachter] Wolling et Holger [Gutachter] Graf. « Renewable energy : innovation and economic policy / Sherief Emam ; Gutachter : Jens Wolling, Holger Graf ; Betreuer : Thomas Grebel ». Ilmenau : TU Ilmenau, 2020. http://d-nb.info/1215032382/34.

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Haschke, Raoul [Verfasser], et Eva [Akademischer Betreuer] Grebel. « Structure, Abundances, and Reddening of the Magellanic Clouds from its Variable Stars / Raoul Haschke ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2012. http://d-nb.info/1179784677/34.

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Grebe, Christina [Verfasser]. « Auswirkungen Erneuerbarer Energien auf den Erholungswert von Mittelgebirgslandschaften am Beispiel von Nordhessen / Christina Grebe ». Kassel : Kassel University Press, 2018. http://d-nb.info/1160728860/34.

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Grebe, Alena [Verfasser]. « Targeting cholesterol crystals in atherosclerosis with cholesterol solubilizing 2-hydroxypropyl-beta-cyclodextrin / Alena Grebe ». Bonn : Universitäts- und Landesbibliothek Bonn, 2016. http://d-nb.info/1124540296/34.

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Greber, Johannes [Verfasser], et Walter [Akademischer Betreuer] Zimmermann. « On Effects of Hydrodynamic Interaction in Active and Passive Suspensions : Multi Particle Simulations / Johannes Greber ; Betreuer : Walter Zimmermann ». Bayreuth : Universität Bayreuth, 2017. http://d-nb.info/1132200938/34.

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Pang, Xiaoying [Verfasser], et Eva [Akademischer Betreuer] Grebel. « A comprehensive study of the young star cluster HD 97950 in NGC 3603 / Xiaoying Pang ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2012. http://d-nb.info/1179784731/34.

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Grebe, Karin [Verfasser], et Peter [Akademischer Betreuer] Dilg. « Heinrich Salzmann (1859-1945) Leben und Leistung eines pharmazeutischen Standespolitikers / Karin Grebe. Betreuer : Peter Dilg ». Marburg : Philipps-Universität Marburg, 2015. http://d-nb.info/1073247422/34.

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Schönebeck, Frederik [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « Velocity Dispersion Measurements of Milky Way Globular Clusters with VLT/X-shooter Spectroscopy / Frederik Schönebeck ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://d-nb.info/1180502256/34.

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Ordenes, Briceño Yasna [Verfasser], et Eva [Akademischer Betreuer] Grebel. « Unveiling the Architecture of the Fornax Galaxy Cluster with its Different Stellar Systems / Yasna Ordenes Briceño ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://d-nb.info/1177044935/34.

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Ordenes, Briceño Yasna [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « Unveiling the Architecture of the Fornax Galaxy Cluster with its Different Stellar Systems / Yasna Ordenes Briceño ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-257359.

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Greber, Christine [Verfasser], Lothar [Gutachter] Faber et Peter [Gutachter] Grewe. « Indikationsstellung und Ergebnisse der Myektomie im Zeitalter der kathetergestützten Septumablation / Christine Greber ; Gutachter : Lothar Faber, Peter Grewe ; Medizinische Fakultät ». Bochum : Ruhr-Universität Bochum, 2012. http://d-nb.info/1212661141/34.

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Frank, Maureen G. « Migratory Waterbird Ecology at a Critical Staging Area, Great Salt Lake, Utah ». DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/4940.

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Despite the hemispheric importance of Great Salt Lake (GSL) as a staging area for migratory birds, little is known about the resources that GSL provides to these birds, or how changes to the GSL ecosystem might impact the avian community. Three species of migratory waterbirds that stage at GSL are Wilson’s phalaropes (Phalaropus tricolor), red-necked phalaropes (Phalaropus lobatus), and eared grebes (Podiceps nigricollis). My objective for this research was to study the impacts of prey availability on the staging ecology of these species. In Chapter 2, I examined the use of GSL habitats by both species of phalaropes. In the high-salinity bays of GSL, phalaropes were most strongly associated with shallow water. In the low-salinity bay, there were no strong associations between phalarope presence and particular habitat characteristics. In Chapter 3, I analyzed the behaviors of phalaropes relative to prey densities. Phalaropes commonly foraged in Carrington Bay, which had the highest densities of brine fly (Ephydridae) adults, and in Farmington Bay, which had high densities of benthic macroinvertebrates. Foraging behavior differed between Wilson’s and red-necked phalaropes, with Wilson’s phalaropes spinning more often than red-necked phalaropes. In Chapter 4, I examined interannual and nightly variations in eared grebe fall migration departures in relation to prey availability and environmental conditions. Eared grebes began migration relatively early when lake temperatures were relatively warm, densities of brine shrimp (Artemia franciscana) adults were high, and densities of brine shrimp cysts were low. The likelihood that eared grebes would depart on a given night was positively associated with the average barometric pressure 12 hours prior to sunset. The resources provided by GSL support substantial proportions of the staging populations of phalaropes and eared grebes. Management efforts should seek to maintain the habitats and resources needed by phalaropes and eared grebes at GSL. Future large-scale diversions of freshwater may threaten GSL’s suitability as a staging area for these birds.
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Morales, Gustavo [Verfasser], et Eva K. [Akademischer Betreuer] Grebel. « Stellar Tidal Streams as Cosmological Diagnostics : Comparing data and simulations at low galactic scales / Gustavo Morales ; Betreuer : Eva K. Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://d-nb.info/1177253852/34.

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Abbas, Mohamad [Verfasser], et Eva [Akademischer Betreuer] Grebel. « RR Lyrae stars : Substructures and the Oosterhoff dichotomy in the Halo of the Milky Way / Mohamad Abbas ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2014. http://d-nb.info/1180301153/34.

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Grebner, Josep [Verfasser], Eberhard [Akademischer Betreuer] Abele et Peter [Akademischer Betreuer] Groche. « Entwicklung eines wissensbasierten Systems zur wirtschaftlichen und ökologischen Bewertung der Minimalmengenschmierung bei der Planung flexibler Fertigungssysteme / Josep M. Grebner ; Eberhard Abele, Peter Groche ». Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1132248841/34.

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Gao, Shuang [Verfasser], et Eva [Akademischer Betreuer] Grebel. « Empirical Models of the Milky Way at the North Galactic Pole based on SDSS Photometric Data / Shuang Gao ; Betreuer : Eva Grebel ». Heidelberg : Universitätsbibliothek Heidelberg, 2011. http://d-nb.info/1179230442/34.

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Grebe, Laura Sophie [Verfasser], et Bernhard [Akademischer Betreuer] Schick. « Dysphagie- Diagnostik : Evaluation des Schluckaktes mittels Ultrasonographie als ergänzendes Verfahren der Zukunft / Laura Sophie Grebe ; Betreuer : Bernhard Schick ». Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2017. http://d-nb.info/1173163123/34.

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