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Dissertations / Theses on the topic 'Genetic diversity and variation'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Oballa, Phanuel O. "Genetic variation within Acacia karroo Hayne." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334928.

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2

Olsson, Jenny. "Genetic diversity and hardiness in Scots pine from Scandinavia to Russia." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160222.

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The postglacial recolonization of northern Europe supposedly originated from Western Europe and the Russian Plain, however, recent molecular and macrofossil-based investigations suggest that the history may be more complex than previously thought. This study aims to investigate the genetic diversity and population structure of Scots pine from Scandinavia to Russia to re-evaluate its recolonization history, and to examine whether the pattern of spatial genetic diversity has any adaptive significance. Populations ranging from Norway to Russia were sampled and genotyped using genotyping-by-sequen

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3

Jian, Zhengwen. "Genetic Diversity and Expression Variation in Human Cytochrome P450 Genes." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1203393700.

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4

Koban, Evren. "Genetic Diversity Of Native And Crossbreed Sheep Breeds In Anatolia." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605694/index.pdf.

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In this study the genetic diversity in Turkish native sheep breeds was investigated based on microsatellite DNA loci. In total, 423 samples from 11 native and crossbreed Turkish sheep breeds (Akkaraman, Morkaraman, Kivircik, ivesi, Dagli&ccedil<br>, Karayaka, HemSin, Norduz, Kangal, Konya Merinosu, T&uuml<br>rkgeldi) and one Iraqi breed (Hamdani) were analyzed by sampling from breeding farms and local breeders. After excluding close relatives by Kinship analysis, the genetic variation within breeds was estimated as gene diversities (HE), which ranged between 0.686 and 0.793. The mean number

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5

Booker, Thomas Rhys. "Understanding variation in nucleotide diversity across the mouse genome." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33239.

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It is well known that nucleotide diversity varies across the genomes of eukaryotic species in ways consistent with the effects of natural selection. However, the contribution of selection on advantageous and deleterious mutations to the observed variation is not well understood. In this thesis, I aim to disentangle the contribution of background selection and selective sweeps to patterns of genetic diversity in the mouse genome, thus furthering our understanding of natural selection in mammals. In chapter 1, I introduce core concepts in evolutionary genetics and describe how recombination and

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6

Masumbuko, Linus. "Study of genetic diversity and micropopagation of Coffea arabica L. and evaluation of genetic diversity in Cocos nucifera L. from Tanzania /." Alnarp : Dept. of Crop Science, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200598.pdf.

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7

Givens, Chandler Brooke. "Genetic Variation Among Geographically Disparate Yellow Perch Broodstock Populations." VCU Scholars Compass, 2006. http://hdl.handle.net/10156/1385.

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8

Díaz, Oscar. "Genetic diversity in Elymus species (Triticeae) with emphasis on the Nordic region /." Svalöv : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5493-X.pdf.

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9

Feyissa, Tileye. "Micropropagation, transformation and genetic diversity of Hagenia abyssinica (Bruce) J.F. Gemel /." Alnarp : Department of Crop Science, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200604.pdf.

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10

Liu, Jianyang. "Morpholotical and genetic variation within perennial ryegrass (lylium perenne l.)." The Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1127245394.

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11

Geleta, Mulatu. "Genetic diversity, phylogenetics and molecular systematics of Guizotia Cass. (Asteraceae) /." Alnarp : Department of Plant Protection Biology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200727.pdf.

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12

Gnädig, Nina Franziska. "Role of genetic diversity of RNA viruses in viral evolution and pathogenicity." Paris 7, 2012. http://www.theses.fr/2012PA077095.

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Le taux de fréquence de mutation des virus à ARN est très élevé, en raison des erreurs commises par TARN polymerase dépendante de TARN. Par conséquent, une population virale génétiquement diverse est générée, sur la base d'une séquence consensus. Cette population, ou quasi-espèce, se comportent comme une entité unique en terme d'évolution et de sélection. Cet aspect permet aux virus de s'adapter rapidement à de nouveaux environnements. Pendant le première partie de mon travail, je me suis concentrée sur l'étude d'un variant haute fidélité (A372V) et d'un variant basse fidélité (S299T) de la po

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13

Santos, Elisa Susilene Lisboa 1985. "Diversidade genético-molecular de cacaueiros descendentes das primeiras introduções ocorridas na Bahia = Molecular genetic diversity of cacao descendants of the first introductions occurred in Bahia." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316507.

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Orientadores: Anete Pereira de Souza, Ronan Xavier Corrêa<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-25T22:18:55Z (GMT). No. of bitstreams: 1 Santos_ElisaSusileneLisboa_D.pdf: 19219557 bytes, checksum: 6dd887ae1478926cac4f0e6781200025 (MD5) Previous issue date: 2014<br>Resumo: O cacaueiro é uma planta perene amplamente cultivada entre as latitudes 20ºN e 20ºS. O Brasil é o principal produtor das Américas, tendo 62% da sua produção concentrada em áreas de plantio do sudeste da Bahia. A introdução do cacau neste Estado

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14

Bereczky, Sándor. "Genetic diversity of Plasmodium falciparum infections : influence on protective malaria immunity /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-548-8/.

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15

Gustavsson, Larisa. "Genetic diversity in fruit and berry crops estimated with molecular markers /." Alnarp : Dept. of Plant Breeding and Biotechnology, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200804.pdf.

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16

Quadri, Asima. "Assessment of genetic diversity in Asarum canadense L. using amplified fragment length polymorphism (AFLP)." Virtual Press, 2007. http://liblink.bsu.edu/uhtbin/catkey/1371851.

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Forest fragmentation poses a serious danger to population diversity in plants and animals by increasing species isolation, thus reducing the population size and genetic diversity. However, little information is available concerning how fragmentation impacts plant diversity. AFLP fingerprinting was used to assess genetic diversity within and between populations of Asarum canadense L. (Canadian Wild Ginger) across 11 different populations in East-Central Indiana. AFLP fingerprints using two primer pairs generated 51 distinct bands with an average of 25.5 bands per primer. Forty-eight low molecul

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17

Baessler, Cornelia. "Plant species diversity and genetic variation : temporal changes and spatial determinants in agricultural landscapes /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17734.

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18

Frouws, Anna Maria. "Spatial and temporal variation in population genetic diversity in seagrasses and the implications for resilience." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2024. https://ro.ecu.edu.au/theses/2857.

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Seagrass ecosystems are highly productive and fulfil vital roles in the coastal environment as ecosystem engineers and keystone species. Unfortunately, anthropogenic pressures have resulted in a significant loss of seagrass habitat and associated ecosystem services. The complex and unpredictable nature of these pressures, and their increasing extent and intensity globally, makes resilience-based ecosystem management a valuable approach. Resilience-based management requires knowledge on processes enhancing ecosystem resilience and on actions supporting these processes. Genetic diversity, which

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19

Chiucchi, James Ernest Jr. "Genetic Diversity, Inbreeding and Diet Variation in an Endangered Rattlesnake, the Eastern Massasauga (Sistrurus c. catenatus)." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1316110529.

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20

Randi, Carolina. "Temporal variation of genetic diversity and differentiation of albacore, Thunnus alalunga, in the Mediterranean Sea." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7954/.

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This study is on albacore (Thunnus alalunga, Bonnaterre 1788), an epi- and mesopelagic oceanic tuna species cosmopolitan in the tropical and temperate waters of all oceans including the Mediterranean Sea, extending in a broad band between 40°N and 40°S. What it’s known about albacore population structure is based on different studies that used fisheries data, RFLP, mtDNA control region and nuDNA markers, blood lectins analysis, individual tags and microsatellite. At the moment, for T. alalunga six management units are recognized: the North Pacific, South Pacific, Indian, North Atlantic, South

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21

Spencer-Vellacott, Polly. "Landscape-scale genetic diversity in Fraxinus excelsior L. : genetic structure within and among populations and the influence of regeneration practices on genetic variation." Thesis, Bangor University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438831.

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22

Kassa, Mulualem Tamiru. "Molecular analysis of genetic diversity in dometicated pigeonpea (Cajanus cajan (L.) Millsp.) and wild relatives." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003773.

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Cajanus cajan (L.) Millsp. (Pigeonpea) belongs to the Leguminosae genus Cajanus which is composed of 34 species. Pigeonpea is the only cultivated member of the genus, while the remaining species are wild relatives belonging mainly to the secondary gene pool. DNA sequence data from the nuclear ITS region and the chloroplast trnL-F spacer were utilized to investigate the phylogenetic relationships between Cajanus and five other allied genera in the subtribe Cajaninae. This study revealed the non-monophyly of Cajanus and Rhynchosia and supported the monophyly of Eriosema and Flemingia, but more s

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23

De, Bustos Cecilia. "Genetic and Epigenetic Variation in the Human Genome : Analysis of Phenotypically Normal Individuals and Patients Affected with Brain Tumors." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6629.

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24

Aga, Esayas. "Molecular genetic diversity study of forest coffee tree (Coffea arabica L.) populations in Ethiopia : implications for conservation and breeding /." Alnarp : Dept. of Crop Science, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200579.pdf.

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25

Dogan, Sukru Anil. "Reassessment Of Genetic Diversity In Native Turkish Sheep Breeds With Large Numbers Of Microsatellite Markers And Mitochondrial Dna (mtdna)." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610368/index.pdf.

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In the present study, within and among breed genetic variability in seven native Turkish sheep breeds (Akkaraman, Dagli&ccedil<br>, G&ouml<br>k&ccedil<br>eada, ivesi, Karayaka, Kivircik and Morkaraman) were analyzed based on 20 microsatellite loci. For the analysis, various statistical methods such as Neighbor-Net, Factorial Correspondence Analysis (FCA) and Structure were used. High level of genetic variability within the Turkish breeds was observed. Gene pools of the breeds were visualized and found that they are highly overlapping with each other. As one of the reasons of this overlap, gen

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26

Rafati, Nima. "Exploring genetic diversity in natural and domestic populations through next generation sequencing." Doctoral thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-315032.

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Studying genetic diversity in natural and domestic populations is of major importance in evolutionary biology. The recent advent of next generation sequencing (NGS) technologies has dramatically changed the scope of these studies, enabling researchers to study genetic diversity in a whole-genome context. This thesis details examples of studies using NGS data to: (i) characterize evolutionary forces shaping the genome of the Atlantic herring, (ii) detect the genetic basis of speciation and domestication in the rabbit, and, (iii) identify mutations associated with skeletal atavism in Shetland po

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27

Dodson, Thomas M. "Genetic and phenotypic variation in Japanese knotweed (Fallopia japonica) in the Eastern United States." Ohio University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1247763089.

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28

Lundin, Annelie. "Diversity and persistence of Helicobacter pylori /." Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-885-8/.

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29

Whitaker, Helen. "Molecular genetic studies of vertebrate ecology the analysis of senescence, offspring sex ratio variation and population diversity /." Thesis, Connect to e-thesis, 2002. http://theses.gla.ac.uk/1014/.

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Thesis (Ph.D.) -- University of Glasgow, 2002.<br>Ph.D. thesis submitted to the Division of Environmental and Evolutionary Biology, Institute of Biomedical and Life Sciences, University of Glasgow, 2002. Includes bibliographical references (p. 161-195). Print version also available. Mode of access : World Wide Web. System requirements : Adobe Acrobat reader required to view PDF document.

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30

Kangas, V. M. (Veli-Matti). "Genetic and phenotypic variation of the moose (Alces alces)." Doctoral thesis, Oulun yliopisto, 2015. http://urn.fi/urn:isbn:9789526209807.

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Abstract Spatial and temporal variation is a universal feature in most organisms in nature, commonly reflecting the past evolutionary history of the species as well as the prevailing environmental conditions. The purpose of this doctoral thesis study was to investigate the genetic and phenotypic variation, and to assess the roles of the different processes affecting them in the moose (Alces alces). Altogether 809 DNA samples of moose, gathered throughout Finland and the Republic of Karelia in Russia, were analysed with a variety of population genetic methods. Furthermore, the shape of the moos

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31

Kovach, Katherine Elizabeth. "Assessment of Genetic Variation of Acer rubrum L. and Liriodendron tulipifera L. Populations in Unmanaged Forests of the Southeast United States." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/31282.

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Acer rubrum L. and Liriodendron tulipifera L. are prolific throughout their ranges in the Southeastern U.S. and also have increasingly important roles in forestry and wood products in this region. The relatively low density and intermediate strength of the wood makes them versatile for use in many different wood products. Exploring the genetic structure of these species could provide a foundation for further genetic and breeding exploration with these economically important trees. This study utilizes amplified fragment length polymorphism to determine the level of genetic diversity of these

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32

Rosvall, Ola. "Enhancing gain from long-term forest tree breeding while conserving genetic diversity /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5643-6.pdf.

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33

Jansson, E. (Eeva). "Past and present genetic diversity and structure of the Finnish wolf population." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526201160.

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Abstract Many species and populations have perished as a consequence of human actions. During the last ~200 years, large carnivores have been almost completely extirpated from Western Europe. Large-scale wolf hunting started in Finland around the 1850s, and the population size quickly collapsed. The population was very small until the mid-1990s, when wolves started to regularly reproduce in Finland again. The wolf is an endangered species in Finland, and the biggest threat to the species’ survival is excessive hunting. In this doctoral thesis study, I inspected the genetic structure and divers

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34

Stokes, Richard L. "Pollination Ecology, Self-incompatibility and Genetic Diversity in the Herbaceous Eastern North American Spring Ephemeral, Erythronium americanum." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1353089025.

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35

Troyer, Ryan M. "Genetic diversity, evolution, and fitness of infectious hematopoietic necrosis virus within an endemic focus in rainbow trout aquaculture /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/9288.

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36

Bila, Adolfo Dinis. "Fertility variation and its effects on gene diversity in forest tree populations /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-6050-6.pdf.

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37

Fearon, Janine Lee. "The genetic diversity and conservation biology of the rare terrestrial snail genus Prestonella." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003760.

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Prestonella bowkeri and Prestonella nuptialis are montane specialists endemic to the southern Great Escarpment of South Africa. Phylogeographic analyses of these species based on mitochondrial markers CO1 and 16S reveal extremely high levels of divergence between populations indicating a lack of gene flow between populations. This is not surprising, because P. nuptialis and P. bowkeri have limited dispersal capacity, low vagility, a highly fragmented distribution and are habitat specialists that are restricted to isolated mesic refugia associated with waterfalls and montane seepages. A relaxed

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38

Cui, Jian. "Variation of the Toll-like receptors in two marsupial species, Tasmanian devils, Sarcophilus harrisii, and Koalas, Phascolarctos cinereus." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14061.

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Genetic diversity plays an important role in wildlife conservation, particularly genetic diversity in immune genes, as some genetic variants are able to contribute to disease resistance and susceptibility. Low genetic diversity often occurs in endangered species and low genetic diversity in key immune genes can lead to higher disease susceptibility. To maximise the chance of protecting endangered species, it is possible to study and then manage genetic diversity in immune genes. One of the key gene families involved in adaptive immunity is the Major Histocompatibility Complex (MHC) and numerou

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39

Ivgin, Tunca Rahsan. "Determination And Comparison Of Genetic Variation In Honey Bee (apis Mellifera L.)populations Of Turkey By Random Amplified Polymorphic Dna And Microsatellite Analyses." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610443/index.pdf.

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We analyzed a total of 760 worker bees, two samples per colony, 390 colonies in 26 provinces in Turkey to determine and compare the genetic variation of Turkish honey bee (Apis mellifera L.) populations using 10 primers for RAPD and 6 microsatellite loci. Mean gene diversity levels ranged from 0.035 (Sanliurfa) to 0.175 (Antalya) for RAPD and 0.449 (Mugla) to 0.739 (Artvin) for microsatellite markers. Private band patterns and alleles, pairwise FST values support that the Anatolian honey bees belong to C lineage except for Hatay and Sanliurfa populations illustrated from previous findings of m

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40

González, Díaz Patricia. "Development and maintenance of genetic diversity in Scots pine, Pinus sylvestris (L.)." Thesis, University of Stirling, 2018. http://hdl.handle.net/1893/27929.

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Forests are among the most important repositories of terrestrial biodiversity and provide a broad range of ecosystem services. During millennia, forests have changed, adapted and evolved under changing conditions. However, in the present century, forests are facing environmental changes at rates with no precedents. A major concern is the risk of declining forest genetic diversity, since genetic variation as the raw material underpinning adaptation is key in maintaining the resilience of forest ecosystems against environmental changes. Understanding the different processes responsible for devel

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41

Nygren, Cajsa. "Functional diversity in nutrient acquisition by ectomycorrhizal fungi /." Uppsala : Dept. of Forest Mycology and Pathology, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200854.pdf.

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42

Elrod, Diana Adams. "Mitochondrial DNA Sequence Variation in Populations of the Nine-Banded Armadillo (Dasypus novemcinctus)." Thesis, University of North Texas, 2000. https://digital.library.unt.edu/ark:/67531/metadc2577/.

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Four populations of nine-banded armadillos, Dasypus novemcinctus, were investigated in the south-central United States in order to assess genetic variation in an isolated population (Electric Island, Lake Hamilton, Garland County, Arkansas); a semi-isolated population (Arkansas Post, Arkansas County, Arkansas), and two free ranging populations (southern Arkansas and central Texas). A 233 basepair sequence of the D-loop region of mitochondrial DNA was sequenced in individuals from each population. Individuals and populations were compared to assess relatedness among populations and individuals.

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43

Eliades, Nicolas-George H. "Fingerprinting of genetic diversity and patterns of spatial genetic variation in the endemic tree Cedrus brevifolia (Hook f.) Henry from Cyprus : implications for its conservation /." Göttingen : Optimus, 2008. http://d-nb.info/991068424/04.

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44

Sokol, Kerry Ann. "Implications of Longterm Diameter-Limit Harvesting: Effects on Radial Growth of Red Spruce (Picea rubens) and Genetic Diversity of White Pine (Pinus strobus)." Fogler Library, University of Maine, 2001. http://www.library.umaine.edu/theses/pdf/SokolKA2001.pdf.

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45

Castro, Andrey Leonardo F. "Use of molecular tools on surveys of genetic variation and population structure in three species of sharks." [Tampa, Fla.] : University of South Florida, 2009. http://digital.lib.usf.edu/?e14.2879.

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46

Cerqueira, Silva Carlos Bernard Moreno 1983. "Diversidade genética molecular e reação a doenças de acessos silvestres e comerciais de maracujazeiro (Passiflora spp.) presentes em bancos de germoplasma = Molecular genetic diversity and disease reaction of commercial and wild access of passion fruit (Passiflora spp.) present in germplasm banks." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316508.

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Orientadores: Anete Pereira de Souza, Ronan Xavier Corrêa<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-25T14:19:58Z (GMT). No. of bitstreams: 1 CerqueiraSilva_CarlosBernardMoreno_D.pdf: 123175108 bytes, checksum: 668158b424ffa91922546922a5837ce2 (MD5) Previous issue date: 2014<br>Resumo: O gênero Passiflora, cujas espécies são popularmente conhecidas como maracujazeiros, destaca-se na família Passifloraceae tanto pelo número de espécies (aproximadamente 520) quanto pela importância econômica associada à parte destas esp

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47

Adams, Nicole Elizabeth. "Evaluating the validity of subspecies classifications: a case study of intraspecific genetic variation in the prairie vole (Microtus ochrogaster)." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1376602302.

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48

Souter, Petra. "Causes and consequences of spatial genetic variation in two species of scleractinian coral in East Africa : levels of genetic differentiation and intraspecific diversity of Pocillopora damicornis and Platygyra daedalea /." Stockholm : Department of Zoology, Stockholm University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6788.

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49

Zierold, Thorid. "Morphological variation and genetic diversity of Triops cancriformis (Crustacea: Notostraca) and their potential for understanding the influence of postglacial distribution and habitat fragmentation." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:swb:105-7497276.

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Triops cancriformis (Crustacea: Notostraca) occurs in ephemeral habitats like rain pools or floodplain pools distributed over a large geographical range. The named habitats are disturbed by human impacts and, consequently, T. cancriformis is endangered throughout its distribution range. In the present thesis the populated habitats and threats are characterised and further morphological and genetic variations detected among and within European populations are reported. On the basis of recent investigations it is shown that T. cancriformis subspecies separation is hampered by an individual varia

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50

Pollock, Stephanie. "A study of genetic diversity and genome organization of Brassica napus using EST (expressed sequence tags) of Arabidopsis and SSR (simple sequence repeat) markers of B. napus /." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33023.

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Arabidopsis expressed sequence tags (ESTs) and microsatellites of Brassica napus have been developed and used as PCR-based markers for both mapping and genetic diversity studies in B. napus . Out of 300 random Arabidopsis ESTs screened, 43 markers were mapped onto a genetic map of B. napus and then used in a diversity study involving 48 B. napus cultivars. A second set of EST markers were developed from chromosome 1 of Arabidopsis and used in genetic mapping studies of B. napus. From 192 primer pairs developed, 50 markers were added onto the B. napus reference map. Microsatellite markers were

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