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dc.contributor.advisorJump, Alistair S-
dc.contributor.advisorCavers, Stephen-
dc.contributor.authorGonzález Díaz, Patricia-
dc.identifier.citationGonzález-Díaz P, Jump AS, Perry A, Wachowiak W, Lapshina E, Cavers S (2017) Ecology and management history drive spatial genetic structure in Scots pine. Forest Ecology and Management 400:68–76en_GB
dc.identifier.citationGonzález-Díaz P, Cavers S, Iason GR, Booth A, Russell J and Jump AS (2018) Weak isolation by distance and geographic diversity gradients persist in Scottish relict pine forest. iForest 11:449-458en_GB
dc.description.abstractForests 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 developing and maintaining the genetic diversity of tree species is essential to better predict tree responses under new conditions. Therefore, this thesis aimed to determine how different forces interact to shape and maintain within and among population genetic diversity of Scots pine and what the implications are for conservation and management under forthcoming environmental conditions. From local to continental scales, I followed a multilevel approach, and found that (i) historic climate changes and geographical barriers have played an important role in shaping the extent and spatial distribution of current genetic diversity of Scots pine. Despite contemporary habitat reduction and fragmentation we found that (ii) high levels of neutral genetic diversity remain in the Scottish populations of Scots pine, with gene flow and specifically wind-driven gene flow dominating over genetic drift and preventing differentiation among the Scottish populations. However, (iii) considerable impacts in the spatial distribution of genetic variation have occurred as a consequence of intensive historical forest management practices. Furthermore, we found that (iv) substantial levels of adaptive genetic variation are present in the Scottish populations of Scots pine, likely a result of selective processes resulting from the different environments they live in, with highly heritable traits, although similar capacity for response through phenotypic plasticity to warming. The results of this thesis help to further disentangle the forces maintaining genetic diversity in one of most widespread conifers in the world, and improving predictions of likely range shifts and adaptation of the species in response to contemporary changes. The thesis provides some recommendations to conservation and management practices.en_GB
dc.publisherUniversity of Stirlingen_GB
dc.subjectScots pineen_GB
dc.subjectgenetic diversityen_GB
dc.subjectadaptive variationen_GB
dc.subjectforest managementen_GB
dc.subjectclimate changeen_GB
dc.subjectgene flowen_GB
dc.subjectLast Glacial Maximumen_GB
dc.subject.lcshScots pine Scotlanden_GB
dc.subject.lcshForests and forestry Scotlanden_GB
dc.subject.lcshForest management Scotlanden_GB
dc.subject.lcshForest ecologyen_GB
dc.subject.lcshTrees Geneticsen_GB
dc.titleDevelopment and maintenance of genetic diversity in Scots pine, Pinus sylvestris (L.)en_GB
dc.typeThesis or Dissertationen_GB
dc.type.qualificationnameDoctor of Philosophyen_GB
dc.rights.embargoreasonI require time to write articles for publication from my thesis. Two data chapters are already published, but the other two are still in progress for publication.en_GB
dc.contributor.funderScottish Forestry Trust, the University of Stirling and the Centre for Ecology and Hydrologyen_GB
Appears in Collections:Biological and Environmental Sciences eTheses

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