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Rozprawy doktorskie na temat „Species groups”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Mason, Suzanna. "Examining species' responses to climate change across multiple taxonomic groups." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/19677/.

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Many species are responding to anthropogenic climate change by shifting their ranges to higher latitudes. Understanding the factors that drive species’ responses will help ecologists and conservationists develop strategies to avoid negative climate change impacts. I investigated shifts at the northern (cool) range margins of 1573 southerly-distributed species from 21 animal groups in Great Britain, over the past four decades. My findings confirm continued polewards range shifts (18 km decade-1 over 1986-2010). I then concentrated on 347 British species from 14 invertebrate taxa, discovering co

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2

Spencer, Andrew. "Short-term task allocation in small social insect groups." Thesis, University of Bath, 2000. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341102.

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Russak, Samantha. "PRIMATE SUPER-GROUPS? POLYSPECIFIC ASSOCIATIONS OF CAPTIVE MONKEYS." Miami University Honors Theses / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=muhonors1146073571.

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Lawrence, Diane Louise. "The ecological and evolutionary responses of groups of species to environmental change." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/40091.

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The natural environment is being altered by anthropogenic activity at an unprecedented rate. The effects of climate change and damage caused by other human activities show little sign of decelerating. The ubiquity of the forecast changes means that all species are likely to face alterations in their environment and consequently may have to migrate or adapt to avoid extinction. Yet, as species respond they may initiate additional ecological changes, creating further selection pressures on species they interact with. Research has shown that ecological and evolutionary dynamics such as these occu

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Hardie, Scott M. "The behaviour of mixed-species tamarin groups (Saguinus labiatus & Saguinus fuscicollis)." Thesis, University of Stirling, 1995. http://hdl.handle.net/1893/21900.

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Saguinus labiatus lahiatus and S. juscicollis weddelli form stable mixed-species groups in the wild. This thesis investigates the costs and benefits of such an association, with particular emphasis on determining species differences, the "behavioural differences hypothesis". A nine month field study was conducted in northern Bolivia, which showed that the species differed in mean height used in the forest, method of locomotion, and preferred insect foraging strategies. Subsequent investigations were conducted on captive single species and mixed-species groups at Belfast Zoo. Preliminary observ

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Peres, Carlos Augusto. "Ecology of mixed-species groups of tamarins in Amazonian terra firme forests." Thesis, University of Cambridge, 1991. https://www.repository.cam.ac.uk/handle/1810/278502.

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Liu, Jie. "The co-existence of endangered primate species and ethnic groups in southwest China." Kyoto University, 2020. http://hdl.handle.net/2433/253136.

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付記する学位プログラム名: 霊長類学・ワイルドライフサイエンス・リーディング大学院<br>Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(理学)<br>甲第22300号<br>理博第4614号<br>新制||理||1662(附属図書館)<br>京都大学大学院理学研究科生物科学専攻<br>(主査)教授平田聡, 教授幸島司郎, 教授伊谷原一<br>学位規則第4条第1項該当

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8

Lampickas, Meldas. "LD augavietės medynų auginimo išlaidų lyginamoji analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050610_110700-85029.

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Foresters can easily calculate the volume and the specific composition of any stand in Lithuania at the moment. To receive the monetary evaluation of the clear cut we need to do continuous measurement of the clear cut, to calculate the volumes of the individual tree species, and then to apply the prices of not truncated forest. The price is determined by specific composition of the stand, the density, the height of the trees, the average diameter. All these factors are mostly influenced by growing location. The purpose of the research is to sift the profitability of the Ld growing location, f

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9

Yaveroglu, Omer Nebil. "Identification Of Functionally Orthologous Protein Groups In Different Species Based On Protein Network Alignment." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612395/index.pdf.

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In this study, an algorithm named ClustOrth is proposed for determining and matching functionally orthologous protein clusters in different species. The algorithm requires protein interaction networks of the organisms to be compared and GO terms of the proteins in these interaction networks as prior information. After determining the functionally related protein groups using the Repeated Random Walks algorithm, the method maps the identified protein groups according to the similarity metric defined. In order to evaluate the similarities of protein groups, graph theoretical information is used

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10

Lindström, Ludvig. "How do functional riparian groups from northern Sweden respond to hydropeaking? : Short-term indoors study on germination, mortality and performance of Swedish riparian species from different species groups subjected to water treatments mimicking hydropeaking." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-122394.

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With the ever increasing reliance on hydropower in the world, it is important that its effects on riparian vegetation is well understood. This study aimed to explore the effects of different forms of hydropeaking, which results from the rapid and frequent opening and closure of hydroturbines, on different species groups of riparian species native to northern Sweden. Thirteen riparian species belonging to three different species groups, forbs, graminoids and woody species, were subjected to three different watering treatments simulating water stress, rapid fluctuation and prolonged flooding, wh

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Binz, Nicolette. "Phenotypic characteristics of differing genetic groups of Giardia duodenalis and their implication for species identification." Thesis, Binz, Nicolette (1996) Phenotypic characteristics of differing genetic groups of Giardia duodenalis and their implication for species identification. PhD thesis, Murdoch University, 1996. https://researchrepository.murdoch.edu.au/id/eprint/52237/.

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Although it has long been acknowledged that the Giardia duodenalis group of isolates is very diverse and heterogeneous, we still lack comprehensive studies which compare groups of isolates from a selected geographical area on the basis of both genotypic and phenotypic characteristics. In the present study, twelve isolates (eleven from Western Australia, one from the USA) were selected based on the genetic diversity they exhibited upon isoenzyme analysis. Prior to any characterisation, the isolates were all cloned and a cloned cell line was subsequently selected at random for further characteri

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12

Emrick, Verl III. "Disturbance, Functional Diversity and Ecosystem Processes: Does Species Identity Matter?" Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/23211.

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The role of disturbance is widely recognized as a fundamental driver of ecological organization from individual species to entire landscapes. Anthropogenic disturbances from military training provide a unique opportunity to examine effects of disturbance on vegetation dynamics, physicochemical soil properties, and ecosystem processes. Additionally, plant functional diversity has been suggested as the key to ecosystem processes such as productivity and nutrient dynamics. I investigated how disturbance and functional composition both singly and in combination affect vegetation dynamics, soil phy

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13

Rudd, Martin D. "Macrocyclic complexation of cationic f-block (lanthanide) and p-block (groups 14 and 15) metal species." Thesis, University of Warwick, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282539.

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Selge, Sebastian. "Public and scientific discourses on biological invasions : social representations of invasive non-native species in Scotland." Thesis, University of Aberdeen, 2011. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=183833.

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Invasive non-native species are believed to be one of the biggest threats to biodiversity. Until now biological invasions have been mainly studied from a biological perspective and much research has been undertaken to investigate species’ ecology and potential options for management. Comparatively little attention has been devoted to questions regarding the social construction of the issue. This is despite invasion biologists increasingly acknowledging the fundamental importance of human perceptions, beliefs, attitudes and values inherent in debates about invasive non-native species. This thes

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15

Simó, Riudalbas Marc 1988. "An Integrative approach to the systematics and evolution of some selected reptile groups from Arabia." Doctoral thesis, Universitat Pompeu Fabra, 2018. http://hdl.handle.net/10803/664731.

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Until relatively recently, many groups of terrestrial reptiles were considered to contain only few species vastly distributed across the Arabian Peninsula. This was mostly the result of the apparent morphological uniformity of these groups in combination with their geographic ranges, often overlapping with politically unstable regions in which scientific research has been hampered for centuries. However, our understanding of the diversity inhabiting these unexplored areas changed with the onset of molecular phylogenetic methods that became extensively available and routinely applied to t

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Ferreira, Carla Sofia Borges Pinto da Cruz. "Temporary ponds vegetation and dynamics:SW Portugal." Doctoral thesis, ISA, 2010. http://hdl.handle.net/10400.5/2862.

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Mwanja, Wilson Waiswa. "Genetic biodiversity and evolution of two principal fisheries species groups, the Labeine and Tilapiine, of Lake Victoria region, East Africa /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488194825666344.

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Nogales, Da Costa Vasconcelos Thais. "Morphological homogeneity, phylogenetic heterogeneity and systematic complexity in species-rich groups : a case study of floral evolution in Myrteae (Myrtaceae)." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1574511/.

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Myrteae is the most diverse tribe in the species-rich angiosperm family Myrtaceae. Myrteae species play a critical ecological role in tropical forests and savannas, biomes with some of the highest biodiversity on earth. Hence there is a growing interest in its use as a model for evolutionary, ecological and conservation studies. However, morphologically homogeneous reproductive structures cause taxonomic instability and jeopardize modelling and conservation initiatives. This study demonstrates how evolutionary patterns are underpinned by floral traits in Myrteae. Aims are approached using comb

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19

DeWalt, Theresa Spradling. "Mitochondrial DNA Restriction Site Analysis of the Phylogeny of the Truei and Boylii Species Groups of the Rodent Genus Peromyscus (Cricetidae)." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc500259/.

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The phylogenetics of eight species of the Peromyscus truei and P. boylii species groups from 15 populations were analyzed based on mitochondrial DNA sequence differentiation, using 13 hexanucleotide specific restriction enzymes. P. difficilis, P. nasutus, and P. attwateri were found to be members of the same clade. P. leucopus was not found to be closely related to any of the species of the boylii or truei species groups. Phylogenetic interpretations for the remaining species differed based on Wagner and Dollo parsimony analyses. P. true appears to be most closely related to P. gratus based on

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20

Banford, Heidi M. "Biogeography of amphi-Atlantic and amphi-American fishes: The Scomberomorus regalis (Scombridae), Strongylura marina (Belonidae) and Hyporhamphus unifasciatus (Hemiramphidae) species groups." W&M ScholarWorks, 1998. https://scholarworks.wm.edu/etd/1539616558.

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Phylogenetic and historical biogeographic hypotheses were explored for three groups of teleost fishes that are hypothesized to share a common biogeographic track. Distributed across the eastern Pacific/eastern Atlantic (EP/EA) biogeographic track of Rosen (1975) are the Scomberomorus regalis (Scombridae), Strongylura marina (Belonidae) and Hyporhamphus unifasciatus (Hemiramphidae) species groups comprised of one eastern Atlantic; three, three and four western Atlantic; and two, two and four eastern Pacific species, respectively, for each group. In addition, two species in the Strongylura marin

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Magwira, Cliff A. "Molecular diversity of faecal Lactobacillus species in stone- free black and white population groups and their possible role in kidney stone disease." Doctoral thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/4290.

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Gebauer, Sebastian [Verfasser], Matthias H. [Gutachter] Hoffmann, Martin [Gutachter] Röser, and Frank R. [Gutachter] Blattner. "Systematics, taxonomy and biogeography of species-rich groups of the genus Carex (Cyperaceae) / Sebastian Gebauer ; Gutachter: Matthias H. Hoffmann, Martin Röser, Frank R. Blattner." Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2019. http://d-nb.info/1210729873/34.

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Hellström, K. (Kalle). "Variation in grazing tolerance and restoration of meadow plant communities." Doctoral thesis, University of Oulu, 2004. http://urn.fi/urn:isbn:9514274938.

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Abstract The area of traditionally managed semi-natural meadows is declining throughout Europe. Knowledge of how to restore their species richness is urgently needed. Community manipulations by means of grazing and mowing and, on the other hand, knowledge of species-level responses as well as the responses of functional plant groups to management may help in planning appropriate restoration tools. The restoration of species richness was studied in two community-level experiments: in a sheep grazing experiment and in a mowing experiment. Three species-level studies were conducted to test the co

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Ivanov, Kaloyan. "EFFECTS OF FOREST EDGES, EXOTIC ANTS AND NONNATIVE PLANTS ON LOCAL ANT (HYMENOPTERA: FORMICIDAE) DIVERSITY IN URBAN FOREST FRAGMENTS OF NORTHEASTERN OHIO." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1295481568.

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Perepechko, Aleksandr. "Automorphismes des variétés affines." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENM065/document.

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La thèse se compose de deux parties. La première partie est consacrée aux transformations des algèbres de dimension finie. Il est facile de voir que le groupe d'automorphismes d'une algèbre de dimension finie est un groupe algébrique affine. N.L. Gordeev et V.L. Popov ont démontré que n'importe quel groupe algébrique affine est isomorphe au groupe d'automorphismes de l'algèbre de dimension finie. Utilisant l'approche similaire nous démontrons que tout monoïde affine peut être obtenue comme un monoïde des endomorphismes d'une algèbre de dimension finie. Ensuite, nous étudions la solvabilité des

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Schäfer, Martina. "Mosquitoes as a Part of Wetland Biodiversity." Doctoral thesis, Uppsala universitet, Populationsbiologi, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4670.

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Wetlands contain both aquatic and terrestrial environments which generates high biodiversity. However, they are commonly associated with mosquitoes (Diptera: Culicidae), and mosquitoes are usually regarded as negative by humans because they can cause nuisance and transmit diseases. This thesis aimed to clarify the association between mosquitoes and wetlands and to achieve a more balanced view of biodiversity in wetlands by including mosquito diversity. Studies on adult mosquito diversity and assemblages were performed in 18 wetlands spread over Sweden. The Swedish mosquito species were organiz

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Sorreano, Maria Claudia Mendes. "Avaliação da exigência nutricional na fase inicial do crescimento de espécies florestais nativas." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/91/91131/tde-05022007-152214/.

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O projeto tem como hipótese de trabalho que as espécies florestais tem exigências nutricionais e respostas ao stress nutricional diferenciados e que a complementação nutricional é um dos principais fatores determinantes do sucesso de projetos de recuperação florestal. Este trabalho teve como objetivo avaliar as exigências nutricionais e os efeitos da omissão de macro e micronutrientes em espécies florestais nativas de diferentes grupos sucessionais, mais usadas ou indicadas para recuperação de áreas degradadas no Estado de São Paulo. As espécies estudadas, agrupadas de acordo com o seu grupo s

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Rodrigues, Úria Graziela Barroso de Souza. "Macrófitas aquáticas na área de transição entre o rio Areias e o reservatório da Usina Hidrelétrica Luís Eduardo Magalhães - Tocantins: cobertura, biomassa e macroinvertebrados associados." Universidade Federal do Tocantins, 2017. http://hdl.handle.net/11612/413.

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Os reservatórios são ambientes aquáticos lênticos de fácil colonização por macrófitas aquáticas, espécies determinantes na dinâmica estrutural de ecossistemas aquáticos. Foi realizada a cobertura e a variação sazonal da biomassa das espécies de macrófitas no trecho de transição entre o reservatório da Usina Hidrelétrica Luís Eduardo Magalhães - Tocantins e o rio Areias, seu afluente, a fim de relacionar estas variáveis com fatores abióticos e o comportamento interespecífico desses vegetais. As coletas foram trimestrais, compreendendo janeiro a outubro de 2016, e demarcados 10 pontos amostrais

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Sovic, Michael G. "An Evaluation of Fluorescent Randomly Amplified Polymorphic DNA (FRAPD) as a Tool for Identifying Species Hybrids, and the Application of these Markers to Questions of Hybridization in Two Groups of Ohio River Basin Fishes." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1308056342.

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Page, Nathaniel W. "International Student Support Groups: Understanding Experiences of Group Members and Leaders." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5565.

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A multi-site qualitative study explored the group experiences of 6 group leaders and 10 group members who participated in 7 different university counseling center international student support groups. Data collection and analysis phases followed the process of hermeneutic interpretation articulated by Kvale and Brinkmann (2009), which resulted in nine major themes and ten sub-themes organized into four sections: (a) Recruitment and group design, (b) Experiences of group members, (c) Experiences of group leaders, and (d) Additional considerations. Implications for international student support

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Fouché, Quentin. "Mécanismes, bénéfices et plasticité de l'agrégation interspécifique chez les larves de Diptères nécrophages." Thesis, Lille, 2020. http://www.theses.fr/2020LILUS017.

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Le rassemblement de plusieurs espèces est courant en milieu naturel. Dans certaines conditions, ces agrégations interspécifiques fournissent des bénéfices supérieurs à ceux de groupes conspécifiques. Chez les mouches nécrophages (Diptera : Calliphoridae),les larves forment sur les cadavres des agrégats pouvant contenir des milliers d’individus de différentes espèces. Ces masses d'asticots facilitent l'exodigestion des tissus cadavériques et génèrent de la chaleur, accélérant la croissance des larves. Comme récemment démontré, de tels avantages pourraient être amplifiés en présence de plusieurs

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Hendren, Stuart. "Extra special defect groups." Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403603.

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Beeson, Amanda M. "Groups of special units." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3356439.

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Thesis (Ph. D.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed July 14, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 46-47).

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De, Saedeleer Julie. "The residually weakly primitive and locally two-transitive rank two geometries for the groups PSL(2, q)." Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210037.

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The main goal of this thesis is a contribution to the classification of all incidence geometries<p>of rank two on which some group PSL(2,q), q a prime power, acts flag-transitively.<p>Actually we require that the action be RWPRI (residually weakly primitive) and (2T)1<p>(doubly transitive on every residue of rank one). In fact our definition of RWPRI requires<p>the geometry to be firm (each residue of rank one has at least two elements) and RC<p>(residually connected).<p><p>The main goal is achieved in this thesis.<p>It is stated in our "Main Theorem". The proof of this theorem requires more t

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Hayes, Diana Margaret. "Minimality of the Special Linear Groups." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc279280/.

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Let F denote the field of real numbers, complex numbers, or a finite algebraic extension of the p-adic field. We prove that the special linear group SLn(F) with the usual topology induced by F is a minimal topological group. This is accomplished by first proving the minimality of the upper triangular group in SLn(F). The proof for the upper triangular group uses an induction argument on a chain of upper triangular subgroups and relies on general results for locally compact topological groups, quotient groups, and subgroups. Minimality of SLn(F) is concluded by appealing to the associated Lie g

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Bismuto, Alessandro. "Main group species for catalytic hydroboration." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31537.

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Modern synthetic chemistry is unimaginable without transition metal catalysis. Yet the often high cost, toxicity and scarcity of many transition metals is driving attempts to find sustainable alternatives. Thus, the development of catalytic processes using main-group catalysts is now of broad interest. This thesis reports the development of a facile protocol for the aluminium-catalysed hydroboration of alkynes, alkenes and polar bonds using commercially-available catalysts. The catalytic hydroboration is proposed to occur by hydroalumination followed by product release through σ-bond metathesi

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Ehsan, Rashidian. "Biosystematics of the Streptomyces cyaneus species-group." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364845.

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Hong, Sung-Seo. "A study of directions and strategies for church growth through cell activities with special reference to Sungnaedong First Presbyterian Church /." Online full text .pdf document, available to Fuller patrons only, 2003. http://www.tren.com.

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Fonseca, Cassiano Ribeiro da. "Composição, estrutura e diversidade da comunidade arbórea de um fragmento urbano de floresta estacional semidecidual (Juiz de Fora, MG, Brasil)." Universidade Federal de Juiz de Fora, 2012. https://repositorio.ufjf.br/jspui/handle/ufjf/1565.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-05-23T13:19:44Z No. of bitstreams: 1 cassianoribeirodafonseca.pdf: 1493713 bytes, checksum: 352f6dbca8708b4556926d3fd62cbe28 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-06-30T11:51:57Z (GMT) No. of bitstreams: 1 cassianoribeirodafonseca.pdf: 1493713 bytes, checksum: 352f6dbca8708b4556926d3fd62cbe28 (MD5)<br>Made available in DSpace on 2016-06-30T11:51:57Z (GMT). No. of bitstreams: 1 cassianoribeirodafonseca.pdf: 1493713 bytes, checksum: 352f6dbca8708b4556926d3fd62cbe28 (MD5)

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Felker, Roselene Marostega. "POTENCIAL DA Escallonia bifida LINK & OTTO (ESCALLONIACEAE) PARA UTILIZAÇÃO EM AÇÕES DE RESTAURAÇÃO ECOLÓGICA NO RIO GRANDE DO SUL." Universidade Federal de Santa Maria, 2014. http://repositorio.ufsm.br/handle/1/8760.

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This paper presents the study of Escallonia bifida Link & Otto, a native species of the Deciduous Forest Biome feature of the Atlantic Forest, which has characteristics of a pioneer, great hardiness. This study aimed to evaluate its potential as an alternative species in restoration activities in their region of origin, as well as increase knowledge of the species, very little studied so far, defining characteristics and generating useful information for their use in restoration plans. The study was conducted in Deciduous Forest Atlantic, Biome fragment, located in the protected State Park Qua

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Wolstenholme, Jacqueline Kerri. "Species boundaries in scleractinian corals: a case study of the Acropora humilis species group." Thesis, Connect to this title online, 2003. https://researchonline.jcu.edu.au/58/2/02whole.pdf.

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Accurate identification of species is critical for studies of biological systems, including biodiversity analyses, understanding evolutionary processes and ecological dynamics, and for effective conservation and management of the environment. However, defining species boundaries in scleractinian corals is impeded by the difficulties of distinguishing between ecological and evolutionary influences on the appearance of colony morphology. In this study, I used three criteria, i.e. reproductive, morphometric and molecular evidence to determine the extent to which intraspecific and interspecific mo

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Wolstenholme, Jacqueline Kerri. "Species boundaries in scleractinian corals a case study of the Acropora humilis species group /." Connect to this title online, 2003. http://eprints.jcu.edu.au/58/.

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Reyes, Carrion Ramon. "Some special geometries defined by Lie groups." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357592.

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Wagner, David R. "Schur Rings Over Projective Special Linear Groups." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6089.

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This thesis presents an introduction to Schur rings (S-rings) and their various properties. Special attention is given to S-rings that are commutative. A number of original results are proved, including a complete classification of the central S-rings over the simple groups PSL(2,q), where q is any prime power. A discussion is made of the counting of symmetric S-rings over cyclic groups of prime power order. An appendix is included that gives all S-rings over the symmetric group over 4 elements with basic structural properties, along with code that can be used, for groups of comparatively smal

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Opalecky, Robert Vincent. "A Topological Uniqueness Result for the Special Linear Groups." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc278561/.

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The goal of this paper is to establish the dependency of the topology of a simple Lie group, specifically any of the special linear groups, on its underlying group structure. The intimate relationship between a Lie group's topology and its algebraic structure dictates some necessary topological properties, such as second countability. However, the extent to which a Lie group's topology is an "algebraic phenomenon" is, to date, still not known.

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Sun, Yongzhong. "On degrees of alternating and special linear groups as quotients of triangle groups." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289296.

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Budke, Jean Carlos. "Pulsos de inundação, padrões de diversidade e distribuição de espécies arbóreas em uma floresta ribeirinha no sul do brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/12169.

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Formações ribeirinhas são áreas de transição entre os sistemas terrestre e aquático, caracterizadas por elevada heterogeneidade ambiental e por um amplo espectro de elementos biológicos e valores socioeconômicos. Contrário às grandes bacias hidrográficas, onde geralmente os pulsos de inundação são sazonais, os rios de pequeno porte apresentam regimes de inundação freqüentemente imprevisíveis, onde os gradientes de perturbação podem ser expressos pela razão direta entre intensidade, duração e freqüência. Considerando a distribuição de grupos ecológicos ao longo de um gradiente de inundação e as

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Tripathi, Hemant Gangaprasad. "Biodiversity of the African savanna woodlands : how does it change with land use?" Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/28965.

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The savanna woodlands of Southern Africa, colloquially termed the miombo, are poorly described in terms of biodiversity compared to other biomes. They have therefore been underrepresented in the wider understanding of how land use intensification is shaping global biodiversity. Land use change is known to reduce biodiversity and disrupt intactness of ecological communities with consequences for ecosystem functioning, resilience, and services. Miombo woodlands are described as biodiversity hotspots due to a high endemism of species and the presence of megafauna. At the same time, they are also

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Tsai, Pei-Yu. "On Newforms for Split Special Odd Orthogonal Groups." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:10970.

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The theory of local newforms has been studied for the group of \(PGL_n\) and recently \(PGSp_4\) and some other groups of small ranks. In this dissertation, we develop a newform theory for generic supercuspidal representations of \(SO_{2n+1}\) over non-Archimedean local fields with odd characteristic by defining a family of open compact subgroup \(K(p^m)\), \(m \geq 0\) (up to conjugacy) which are analogous to the groups \(\Gamma(p^m)\) in the classical theory of modular forms. We give lower bounds on the dimension of the fixed subspaces of \(K(p^m)\) in terms of the conductor of the generic r

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Bouwhuis, Korinne Knowlton. "Psychoeducation Groups for Parents Adopting Special-Needs Children." DigitalCommons@USU, 2002. https://digitalcommons.usu.edu/etd/2631.

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This thesis evaluated training groups for adoptive parents of special-needs children. It was hypothesized that training would influence parenting stress, stress symptoms, and marital satisfaction, and that helpfulness of training sections would depend upon the status of the participants' children (i.e., foster, adopted, or adoption in process). Data were collected from 15 participants who were sampled through agencies that typically interact with adoptive parents. Repeated measures ANOY As were computed to compare scores on the PSI/SF Parental Distress Subscale, OQ-45, and RDAS across three ti

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