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Dissertations / Theses on the topic 'Population'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Koegler, Xavier. "Population protocols, games and large populations." Paris 7, 2012. http://www.theses.fr/2012PA077132.

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Le modèle des populations protocols a été proposé pour capturer les spécificités de réseaux opportunistes constitués d'une population d'agents mobiles à la mémoire limitée capables de communications sans fil par paires. L'objet de cette thèse est d'étendre la compréhension et l'analyse des population protocols ainsi que leurs liens avec d'autres modèles de dynamiques de populations. La première contribution de cette thèse est l'étude de la traduction en terme de protocoles de population de la dynamique d'une population d'agents jouant à un jeu de manière répétée les uns contre les autres et ad

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2

Lundy, Ian J. "Theoretical population genetics of spatially structured populations /." Title page, contents and summary only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phl962.pdf.

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3

Martien, Karen Kay Fear. "Conservation of spatially structured populations : lessons from population genetics /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2000. http://wwwlib.umi.com/cr/ucsd/fullcit?p9979969.

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4

Gagnon, Nicolas. "Mesure et analyse de l'effet fondateur dans les populations de Charlevoix et du Bas-Saint-Laurent." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1998. http://theses.uqac.ca.

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5

Self, Eric C. "Population analysis a methodology for understanding populations in COIN environments." Thesis, Monterey, California. Naval Postgraduate School, 2008. http://hdl.handle.net/10945/3810.

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This thesis outlines a methodology for use by tactical operators to better understand the dynamics of the population whose support they are attempting to gain. In turn, these operators (Army soldiers, Marines, Special Forces, SEALs, Civil Affairs, etc.) can use this information to more effectively develop strategy, plan operations, and conduct tactical missions. Our methodology provides a heuristic model, called the "3 x 5 P.I.G.S.P.E.E.R. Model," that can be applied in any environment and will help bridge the gap between strategic theory and tactical implementation. We believe that our me

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6

Burke, Mark C. Self Eric C. "Population analysis a methodology for understanding populations in COIN environments /." Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Dec/08Dec%5FBurkeM.pdf.

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Thesis (M.S. in Defense Analysis)--Naval Postgraduate School, December 2008.<br>Thesis Advisor(s): Gregg, Heather. "December 2008." Description based on title screen as viewed on January 30, 2009. Includes bibliographical references (p. 71-74). Also available in print.

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7

Grillenberger, Bernd K. "Biogeography, population genetics and mating systems of natural Nasonia populations." [S.l. : Groningen : s.n. ; University Library Groningen] [Host], 2009. http://irs.ub.rug.nl/ppn/317.

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8

McRae, Allan F. "Quantitative and population genetic analyses of domesticated and wild sheep populations." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/15362.

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In Chapter 2, a directed linkage scam for loci involved in body weight and carcass composition traits is performed in a commercial Charollais sheep population. Five chromosomes were investigated based on prior evidence for major genes effecting the studied traits in other breeds. A maximum likelihood variance component analysis using identity-by-descent values estimated by Markov chain Monte Carlo methods was performed on a complex pedigree containing a total of 570 sheep. Of the total of nine QTL detected, the estimated position of only one overlapped with the regions showing major genes that

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9

Cole-Showers, Curtis Lanre. "Population structure and demographics in Nigerian populations utilizing Y-chromosome markers." University of the Western Cape, 2014. http://hdl.handle.net/11394/5326.

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Philosophiae Doctor - PhD<br>Nigeria is peopled by ethnically and linguistically diverse populations of which little were known until the last few millennial. The absence of major natural geographical barrier increases the possibility of the populations being affected by the same demographic events. The aim of this thesis was to ascertain the genetic variations and demographics in five major Nigerian populations using Y-markers. This was done by determining the genetic structures of the Afro-asiatic speaking Hausa (n=78) of Northern Nigeria and the Niger Congo speaking populations of Igbo (n=1

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10

Koons, David Nelson Grand James Barry. "Transient population dynamics and population momentum in vertebrates." Auburn, Ala, 2005. http://repo.lib.auburn.edu/EtdRoot/2005/SPRING/Forestry_and_Wildlife_Sciences/Dissertation/KOONS_DAVID_55.pdf.

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11

Leslie, Stephen. "Inference of Population Stratification Using Population Genetic Data." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504423.

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12

Arrhenius, Gustaf S. H. "Population axiology." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq49968.pdf.

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13

Hubbard, Amelia R. "AN EXAMINATION OF POPULATION HISTORY, POPULATION STRUCTURE, AND BIOLOGICAL DISTANCE AMONG REGIONAL POPULATIONS OF THE KENYAN COAST USING GENETIC AND DENTAL DATA." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337195794.

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14

Håkansson, Nina. "Population growth : analysis of an age structure population model." Thesis, Linköping University, Department of Mathematics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4392.

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<p>This report presents an analysis of a partial differential equation, resulting from population model with age structure. The existence and uniqueness of a solution to the equation are proved. We look at stability of the solution. The asymptotic behaviour of the solution is treated. The report also contains a section about the connection between the solution to the age structure population model and a simple model without age structure.</p>

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15

Méléard, Sylvie, and Sylvie Roelly. "Evolutive two-level population process and large population approximations." Universität Potsdam, 2013. http://opus.kobv.de/ubp/volltexte/2013/6460/.

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We are interested in modeling the Darwinian evolution of a population described by two levels of biological parameters: individuals characterized by an heritable phenotypic trait submitted to mutation and natural selection and cells in these individuals influencing their ability to consume resources and to reproduce. Our models are rooted in the microscopic description of a random (discrete) population of individuals characterized by one or several adaptive traits and cells characterized by their type. The population is modeled as a stochastic point process whose generator captures the probabi

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16

Bycroft, Clare. "Genomic data analyses for population history and population health." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:c8a76d94-ded6-4a16-b5af-09bbad6292a2.

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Many of the patterns of genetic variation we observe today have arisen via the complex dynamics of interactions and isolation of historic human populations. In this thesis, we focus on two important features of the genetics of populations that can be used to learn about human history: population structure and admixture. The Iberian peninsula has a complex demographic history, as well as rich linguistic and cultural diversity. However, previous studies using small genomic regions (such as Y-chromosome and mtDNA) as well as genome-wide data have so far detected limited genetic structure in Iberi

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17

Herbots, Hilde Maria Jozefa Dominiek. "Stochastic models in population genetics : genealogy and genetic differentiation in structured populations." Thesis, Queen Mary, University of London, 1994. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1482.

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The theory of probability and stochastic processes is applied to a current issue in population genetics, namely that of genealogy and genetic differentiation in subdivided populations. It is proved that under a reasonable model for reproduction and migration, the ancestral process of a sample from a subdivided population converges weakly, as the subpopulation sizes tend to infinity, to a continuous-time Markov chain called the "structured coalescent". The moment-generating function, the mean and the cond moment of the time since the most recent common ancestor (called the "coalescence time") o

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18

Champagnon, Jocelyn. "Conséquences des introductions d’individus dans les populations exploitées : l’exemple du Canard Colvert Anas platyrhynchos." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20147/document.

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Le renforcement des populations naturelles exploitées par des individus captifs est rarement évalué, bien qu'il puisse induire des modifications notables sur la population naturelle à de nombreux niveaux : démographie, comportement, morphologie, génétique, pathogènes. Ce travail de thèse concerne les introductions de canards colverts Anas platyrhynchos réalisées à des fins cynégétiques. Cette pratique est très répandue en Europe, depuis plus de trente ans. Du fait de leur domestication en élevage, les canards lâchés subissent une mortalité naturelle très forte comparée aux oiseaux sauvages, à

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19

Ward, Eric John. "Incorporating model selection and decision analysis into population dynamics modeling /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/5319.

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20

Laine, Kari. "Long-term variations in plant quality and quantity in relation to cyclic microtine rodents at Kilpisjärvi, Finnish Lapland." Oulu, Finland : University of Oulu, 1988. http://catalog.hathitrust.org/api/volumes/oclc/18696609.html.

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21

Orsi, Maia. "Population synthesis models for IMF studies." Thesis, Liverpool John Moores University, 2014. http://researchonline.ljmu.ac.uk/4525/.

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Population synthesis models (PSMs) are fundamental tools to study the star formation history and IMF of unresolved stellar populations using spectral features. This work presents a new set of PSMs constructed using theoretical isochrones and two state-ofthe- art synthetic spectral libraries. The BT-Settl and Munari libraries were chosen for their ability to predict the observed values of Lick-type and IMF-sensitive indices in individual stars of the solar neighbourhood. The BT-Settl library was used to sample the cool main sequence stars and the Munari library for the rest of the evolutionary

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22

Hens, H. (Hilde). "Population genetics and population ecology in management of endangered species." Doctoral thesis, Oulun yliopisto, 2017. http://urn.fi/urn:isbn:9789526215853.

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Abstract Knowledge of the determinants of the viability of populations is essential in order to undertake effective conservation and management of endangered species. In this study, long-term demographic data was combined with genetic data to study the viability of an endangered orchid species, Epipactis atrorubens. The genetic analyses revealed low levels of genetic variation and the presence of population genetic differentiation independent of the spatial scale. Low levels of seed-mediated gene flow, possibly linked to low seedling recruitment, is the likely cause of the low levels of gene f

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23

Okobo, Nicodème. "La population scolaire au Congo : analyse démographique d'une sous-population." Bordeaux 4, 2004. http://www.theses.fr/2004BOR40008.

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L'éducation a toujours été considérée, en tout temps et en tout lieu, comme une variable essentielle dans le développement socio-économique et culturel des nations et des peuples. Le Congo, comme la plupart des pays dans le monde en général, et en Afrique en particulier a toujours été conscient de ce rôle déterminant de l'éducation. C'est pourquoi, il a édicté une loi scolaire en 1965, nationalisant son système éducatif, le rendant gratuit et obligatoire pour tout enfant vivant sur le territoire. Cette loi a eut évidemment des effets considérables sur le développement du système d'enseignement

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24

Klenzendorf, Sybille A. "Population dynamics of Virginia's hunted black bear (Ursus americanus) population." Diss., Connect to this title online, 2002. http://scholar.lib.vt.edu/theses/available/etd-02122002-160752/.

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25

Sester-Huss, Elisabeth Mariko [Verfasser], and Peter [Akademischer Betreuer] Pfaffelhuber. "Population genetic models with selection, fluctuating environments and population structure." Freiburg : Universität, 2020. http://d-nb.info/1206095830/34.

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26

Bel-Air, Françoise de. "Population, politique et politiques de population en Jordanie, 1948-1998." Paris, EHESS, 2003. http://www.theses.fr/2003EHES0115.

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Posant d'emblée la portée politique des comportements (migrations, nuptialité, structures familiales et fécondité) et des politiques démographiques, on examine comment "la démographie entre dans la stratégie de pouvoir des groupes ou influence la politique des Etats". Les exodes de Palestine en 1948 et 1967 et l'émigration vers les pays du Golfe après 1973 ont été instrumentalisés par le régime hachémite, pour une affirmation de l'arabité de la Jordanie et une rentiérisation de l'Etat. Les structures du pouvoir sont reproduites, dans les relations Etat-société mais aussi entre sexes et entre g

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27

Williams, Mari. "Japanese population decline." Connect to resource, 2006. http://hdl.handle.net/1811/6454.

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Thesis (Honors)--Ohio State University, 2006.<br>Title from first page of PDF file. Document formatted into pages: contains 13 p.; also includes graphics. Includes bibliographical references (p. 13). Available online via Ohio State University's Knowledge Bank.

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28

Kern, Andrew David. "Drosophila population genomics /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.

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29

Zeineddine, Mohammed. "Evolutionary population phenomena." Thesis, Royal Holloway, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425699.

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30

Childs, Dylan Zachary. "Structured population models." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404400.

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31

Muzhi, Li, and A. Tkachenko. "Human population crisis." Thesis, Видавництво СумДУ, 2009. http://essuir.sumdu.edu.ua/handle/123456789/8171.

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32

Idoudi, Hassan. "Dynamic Population Evacuation." Electronic Thesis or Diss., Université Gustave Eiffel, 2024. http://www.theses.fr/2024UEFL2010.

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Cette thèse vise à améliorer la planification et l'exécution des évacuations de population en intégrant des techniques de simulation avancées dans les réseaux routiers urbains. Bien que de nombreuses recherches aient été menées à l'aide de méthodes analytiques, cette thèse aborde des lacunes spécifiques, notamment en ce qui concerne les choix de destinations et d'itinéraires. Elle introduit en outre la communication véhiculaire dans la planification des évacuations, ce qui permet une approche plus adaptative et plus réaliste des différents scénarios d'évacuation. Le travail souligne que la sim

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33

Corcoran, Pádraic. "Neurospora tetrasperma from Natural Populations : Toward the Population Genomics of a Model Fungus." Doctoral thesis, Uppsala universitet, Evolutionsbiologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-208791.

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The study of DNA sequence variation is a powerful approach to study genome evolution, and to reconstruct evolutionary histories of species. In this thesis, I have studied genetic variation in the fungus Neurospora tetrasperma and other closely related Neurospora species. I have focused on N. tetrasperma in my research because it has large regions of suppressed recombination on its mating-type chromosomes, had undergone a recent change in reproductive mode and is composed of multiple reproductively isolated lineages. Using DNA sequence data from a large sample set representing multiple species

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34

Olsson, Fredrik. "Inbreeding, Effective Population Sizes and Genetic Differentiation : A Mathematical Analysis of Structured Populations." Doctoral thesis, Stockholms universitet, Matematiska institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-115708.

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This thesis consists of four papers on various aspects of inbreeding, effective population sizes and genetic differentiation in structured populations, that is, populations that consist of a number of subpopulations. Three of the papers concern age structured populations, where in the first paper we concentrate on calculating the variance effective population size (NeV) and how NeV depends on the time between measurements and the weighting scheme of age classes. In the third paper we develop an estimation procedure of NeV which uses age specific demographic parameters to obtain approximately u

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35

黃道全 and Richard Huang. "Spatial variation in Cellana grata populations: the interplay of population dynamics and foodavailability." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31243125.

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36

Hindle, Bethan J. "Unravelling the effects of environmental variation on the population dynamics of structured populations." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19466/.

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Complex environmental effects, combined with little temporal replication in most data sets, make investigating the ecological consequences of rapid climate change difficult with current tools. Structured population models are widely used to explore population responses to environmental variation. I develop and apply new statistical methods to parameterise such models. First I describe a structural equation model (SEM) approach for capturing temporal covariation among demographic rates via latent variable(s). When rates are positively correlated the latent variable(s) act as axes of ‘environmen

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37

Robin, Annie. "Synthese de population : un modele de la galaxie et de ses populations stellaires." Besançon, 1989. http://www.theses.fr/1989BESA2049.

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On construit un modele detaille de notre galaxie base sur la comprehension de la structure galactique suivant differents points de vue: cinematique, dynamique, evolution stellaire et evolution galactique. Pour cela on utilise un parametre cle: l'age des etoiles. La distribution theorique des ages des etoiles dans le voisinage solaire decoule d'un modele d'evolution stellaire et galactique. Les equations de boltzmann et de poisson contraignent par l'intermediaire du potentiel les lois de densite des etoiles du disque galactique. On produit ainsi une distribution des etoiles dans toute la galaxi

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38

Silva, Mónica Almeida e. "Population biology of bottlenose dolphins in the Azores archipelago." St Andrews : University of St Andrews thesis, 2007. https://research-repository.st-andrews.ac.uk/handle/10023/215.

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39

Klaoudatos, D. "Reproductive ecology, population genetics and population dynamics of selected Decapod crustaceans." Thesis, Swansea University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637807.

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The reproductive ecology of three species of Decapod crabs, the shore crab (<i>Carcinus maenas</i>), the velvet crab (<i>Necora puber</i>) and the edible crab (<i>Cancer pagurus</i>), were studied in Swansea Bay and South Gower. Spawning occurs over winter and spring (shore crab), winter (edible crab), and summer (velvet crab). Berried females occur in spring and summer (shore crab), winter spring and summer (edible crab), summer and autumn (velvet crab). Eggs hatch in spring and summer (shore crab, edible crab), summer and winter (velvet crab). Copulation occurs in summer and autumn (shore cr

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40

Nussey, Daniel H. "Phenotypic plasticity and population genetic structure in a wild vertebrate population." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/15544.

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My thesis focuses on maternal phenotypic plasticity in two neonatal traits and population genetic structure at different spatial scales in a wild red deer <i>(Cervus elaphus) </i>population on the Isle of Rum, Scotland. Specifically, I present: • An analysis of offspring birth weight-spring temperature plasticity in female red deer using linear regression to measure individual reaction norms. I found evidence of variation in plasticity between females and show that early experiences of high population density reduce female plasticity. • The description of a mixed-effects linear model approach

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41

Paltiel, Charles J. "An analysis of the 1994-1996 northern Strait of Georgia oyster survey." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ51440.pdf.

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42

Dooley, Claire. "Allee effects : empirical analyses of wild British butterfly populations and theoretical implications for population synchrony." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:97da58d7-2bf3-45ca-a563-5394c7b97050.

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An Allee effect is a density-dependent process that can be responsible for the extinction of small populations. This thesis focuses on the detection of Allee effects, along with other density-dependent processes, and their influence on population synchrony. In chapter 2 I investigate the spatial variation in influential density-dependent processes and density-independent weather factors for the large skipper butterfly Ochlodes sylvanus across its British range. I find both qualitative and quantitative spatial variation in these processes and factors driving population dynamics. In chapter 3, I

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43

Waldick, Ruth. "Assessing the status of the endangered North Atlantic right whale using genetic and demographic data." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ66244.pdf.

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44

Hancock, Andrew. "The biology and fishery of Roe's abalone Haliotis roei Gray in south-western Australia, with emphasis on the Perth fishery /." Connect to this title, 2004. http://theses.library.uwa.edu.au/adt-WU2004.0068.

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45

Rohrer, Wendy L. "A biosystematic study of the rare plant Paronychia virginica Sprengel (Caryophyllaceae) employing morphometric and allozyme analyses." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/46520.

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Paronychia virginica Spreng. (Caryophyllaceae) is a perennial evergreen herb of exposed, relatively xeric habitats. Approximately 10 mid-Appalachian populations remain in Virginia, West Virginia, and Maryland and are disjunct from populations located primarily in Texas, Oklahoma, and Arkansas. A study was conducted to test the hypothesis that eastern and western populations differ significantly and, therefore, represent at least two distinct taxa. Statistical analyses of 8 qualitative and 24 quantitative morphological characters indicated very highly significant (P < 0.001) variation between e

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46

Bergeron, Josée. "Contribution différentielle des ancêtres d'origine acadienne au bassin génétique des populations régionales du Québec /." Thèse, Chicoutimi : Ste-Foy : Université du Québec à Chicoutimi. Université Laval, 2005. http://theses.uqac.ca.

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Thèse (M.Med.Exp.) -- Université du Québec à Chicoutimi, programme en extension de l'Université Laval, 2005.<br>Bibliogr.: f. [94]-103. Document électronique également accessible en format PDF. CaQCU

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47

Banks, John E. "The effects of landscape heterogeneity on insect populations : a study of pattern and scale /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/5166.

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48

Larson, Shawn Elizabeth. "Genetic and endocrine related variability of sea otters, Enhydra lutris /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/5360.

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49

Mäki-Petäys, H. (Hannaleena). "Conservation and management of populations in a fragmented forest landscape:behavioural ecology meets population genetics." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514283482.

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Abstract The effects of habitat loss and fragmentation on the genetic structure and vulnerability of populations strongly depend on the behaviour of a particular species. In this thesis, I examined the effects of forest fragmentation on genetic population structure with the aim of identifying and evaluating the different genetic and behavioural factors important for species conservation and management on different geographical scales. The species studied were the mound building red wood ants Formica lugubris and F. aquilonia, and a lekking bird, the capercaillie, Tetrao urogallus. Habitat lo

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50

Downing, Beatrice Catherine. "Disruption and disease : how does population management affect disease risk in wild bird populations?" Thesis, University of Exeter, 2017. http://hdl.handle.net/10871/29259.

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Despite the ubiquity of wildlife management, from reintroductions and supplemental feeding to culling and habitat destruction, very little is known of the effects of management practices on species’ social dynamics. Species’ social structure has the potential to affect not only behaviour and evolution but also the transmission of information or disease. Understanding the effects of population management on social behaviour and organisation is a key step in understanding these species’ ecology. This thesis examines the differences between individuals’ roles in the social structure and what this

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