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A spatial stream-network approach assists in managing the remnant genetic diversity of riparian forests

2019Journal article Open access
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dc.contributor.authorRodríguez-González, Patrícia Maria
dc.contributor.authorGarcia, Cristina
dc.contributor.authorAlbuquerque, António
dc.contributor.authorMonteiro-Henriques, Tiago
dc.contributor.authorFaria, Carla
dc.contributor.authorGuimarães, Joana B.
dc.contributor.authorMendonça, Diogo
dc.contributor.authorSimões, Fernanda
dc.contributor.authorFerreira, Teresa
dc.contributor.authorMendes, Ana
dc.contributor.authorMatos, José
dc.contributor.authorAlmeida, Maria Helena
dc.date.accessioned2019-05-17T10:27:11Z
dc.date.available2019-05-17T10:27:11Z
dc.date.issued2019
dc.description.abstractQuantifying the genetic diversity of riparian trees is essential to understand their chances to survive hydroclimatic alterations and to maintain their role as foundation species modulating fluvial ecosystem processes. However, the application of suitable models that account for the specific dendritic structure of hydrographic networks is still incipient in the literature. We investigate the roles of ecological and spatial factors in driving the genetic diversity of Salix salviifolia, an Iberian endemic riparian tree, across the species latitudinal range. We applied spatial stream-network models that aptly integrate dendritic features (topology, directionality) to quantify the impacts of multiple scale factors in determining genetic diversity. Based on the drift hypothesis, we expect that genetic diversity accumulates downstream in riparian ecosystems, but life history traits (e.g. dispersal patterns) and abiotic or anthropogenic factors (e.g. drought events or hydrological alteration) might alter expected patterns. Hydrological factors explained the downstream accumulation of genetic diversity at the intermediate scale that was likely mediated by hydrochory. The models also suggested upstream gene flow within basins that likely occurred through anemophilous and entomophilous pollen and seed dispersal. Higher thermicity and summer drought were related to higher population inbreeding and individual homozygosity, respectively, suggesting that increased aridity might disrupt the connectivity and mating patterns among and within riparian populationspt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationScientific Reports (2019) 9:6741pt_PT
dc.identifier.doihttps://doi.org/10.1038/s41598-019-43132-7pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/17856
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherNature Publishing Grouppt_PT
dc.relation.publisherversionwww.nature.com/scientificreportspt_PT
dc.subjectriparian forestspt_PT
dc.subjectgenetic diversitypt_PT
dc.titleA spatial stream-network approach assists in managing the remnant genetic diversity of riparian forestspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleScientific Reportspt_PT
person.familyNameFaria
person.familyNameFerreira
person.familyNameAlmeida
person.givenNameCarla
person.givenNameTeresa
person.givenNameMaria Helena
person.identifier274078
person.identifier.ciencia-id9416-EFBA-A5C8
person.identifier.ciencia-id8F11-2CA2-1E59
person.identifier.orcid0000-0001-8693-7483
person.identifier.orcid0000-0002-3900-1460
person.identifier.orcid0000-0003-4223-3614
person.identifier.ridC-9785-2012
person.identifier.scopus-author-id56315365700
person.identifier.scopus-author-id7402787148
person.identifier.scopus-author-id7202362542
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication1ceea5da-b98f-4857-915d-8599637b18a5
relation.isAuthorOfPublication2c0d2b59-5883-4cdb-9714-c378d7ae3a8f
relation.isAuthorOfPublication178b7264-ff8a-4abd-9102-e2d25836fc36
relation.isAuthorOfPublication.latestForDiscovery2c0d2b59-5883-4cdb-9714-c378d7ae3a8f

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