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dc.contributor.authorGonzález-Díaz, Patriciaen_UK
dc.contributor.authorJump, Alistair Sen_UK
dc.contributor.authorPerry, Annikaen_UK
dc.contributor.authorWachowiak, Witolden_UK
dc.contributor.authorLapshina, Elenaen_UK
dc.contributor.authorCavers, Stephenen_UK
dc.description.abstractForest management practices that remove trees from stands can promote substantial changes in the distribution of genetic diversity within and among populations at multiple spatial scales. In small and isolated populations, elevated inbreeding levels might reduce fitness of subsequent generations and threaten forest resilience in the long term. Comparing fine-scale spatial genetic structure (SGS) between life stages (e.g. adult and juvenile cohorts) can identify when populations have undergone disturbance, even in species with long generation times. Here, we studied the effects of historical and contemporary forest management, characterized by intense felling and natural regeneration respectively, on genetic diversity and fine-scale SGS in adult and juvenile cohorts. We examined fragmented Scots pine (Pinus sylvestris L.) stands in the Scottish Highlands, and compared them with a remote, unmanaged stand. A total of 777 trees were genotyped using 12 nuclear microsatellite markers. No difference was identified in allelic richness or gene diversity among stands or life stages, suggesting that historical and contemporary management have not impacted levels of genetic variation. However, management appears to have changed the spatial distribution of genetic variation. Adult genotypes from managed stands were more spatially structured than in the unmanaged stand, a difference mediated by contrasts in tree density, degree of fragmentation of stands at the time of establishment and rate of gap creation. Surprisingly, juveniles were less spatially structured than adults in the managed stands, suggesting an historical erosion of the structure of the adult cohort but contemporary recovery to natural dynamics, and indicating a high capacity of the species to recover after disturbance. Here we showed that using the spatial component of genetic diversity can help to detect both historical and contemporary effects of disturbance in tree populations. Evaluation of successional change is important to adequately detect early responses of tree populations to forest management practices. Overall, our study suggests that combining sustainable management with forest conservation practices that ensure larger effective population sizes is key to successfully maintaining genetic diversity in Scots pine.en_UK
dc.relationGonzalez Diaz P, Jump A, 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, pp. 68-76.
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Accepted refereed manuscript of: Gonzalez Diaz P, Jump A, 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, pp. 68-76. DOI: 10.1016/j.foreco.2017.05.035 © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
dc.subjectPinus sylvestrisen_UK
dc.subjectspatial genetic structureen_UK
dc.subjectgenetic diversityen_UK
dc.subjectforest managementen_UK
dc.subjectlife stagesen_UK
dc.titleEcology and management history drive spatial genetic structure in Scots pineen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Gonzalez_Diaz_2017_Foreco_AAV.pdf] : Publisher requires embargo of 12 months after formal publication.en_UK
dc.citation.jtitleForest Ecology and Managementen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderScottish Forestry Trusten_UK
dc.contributor.funderCentre for Ecology and Hydrologyen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationCEH Edinburghen_UK
dc.contributor.affiliationPolish Academy of Sciencesen_UK
dc.contributor.affiliationCentre for Environmental Dynamics and Global Climate Change, Yugra State Universityen_UK
dc.contributor.affiliationCEH Edinburghen_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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