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Foliar optical traits indicate that sealed planting conditions negatively affect urban tree health

2018Journal article Open access
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dc.contributor.authorYu, Kang
dc.contributor.authorGeel, Maarten Van
dc.contributor.authorCeulemans, Tobias
dc.contributor.authorGeerts, Willem
dc.contributor.authorRamos, Miguel Marcos
dc.contributor.authorSousa, Nadine
dc.contributor.authorCastro, Paula M. L.
dc.contributor.authorKastendeuch, Pierre
dc.contributor.authorNajjar, Georges
dc.contributor.authorAmeglio, Thierry
dc.contributor.authorNgao, Jérôme
dc.contributor.authorSaudreau, Marc
dc.contributor.authorHonnay, Olivier
dc.contributor.authorSomers, Ben
dc.date.accessioned2018-12-28T16:22:04Z
dc.date.available2018-12-28T16:22:04Z
dc.date.issued2018
dc.description.abstractUrban trees play a key role in mitigating environmental problems in cities, but they often face harsh environmental conditions as they generally grow in sealed soils that have small rooting space and low water availability. In this context, rapid monitoring and assessment of tree health status is critical to maintain urban trees and secure the provisioning of urban ecosystem services. Across three European cities we selected 187 Tilia tomentosa trees growing under following planting conditions: (i) sealed, trees planted in small soil pits or strips surrounded by highly sealed surfaces (concrete, pavement or asphalt); and (ii) unsealed, trees planted in roomy soil surfaces (e.g. parks). We measured leaf reflectance and fluorescence and derived a set of optical traits from the measurements. We examined whether these non-destructively measured optical traits differ between planting conditions and whether they correlate with leaf functional traits, e.g. specific leaf area (SLA), leaf water content (LWC) and leaf water per area (LWA). Compared to the unsealed trees, sealed trees showed decreased SLA and LWC while increased LWA. Leaf optical traits differed between the unsealed and sealed trees. Highly sealed soilsaccelerated leaf senescence of the sealed trees compared to the unsealed trees, embodied in the temporal trend of optical traits. Sealed planting conditions negatively affect urban tree health status and phenology. These negative effects can be estimated by leaf optical traits, emonstrating the great potential of optical traits in assessing tree health status. Our findings provide insights into facilitating urban green management using optical traits and remote sensing data.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationYu, K.; Van Geel, M.; Castro, P.M.L., ... Somers, B. (2018). Foliar optical traits indicate that sealed planting conditions negatively affect urban tree health. Ecological Indicators, 95, 895-906pt_PT
dc.identifier.doi10.1016/j.ecolind.2018.08.047
dc.identifier.eid85052090314
dc.identifier.eissn1872-7034
dc.identifier.issn1470-160X
dc.identifier.urihttp://hdl.handle.net/10400.14/26545
dc.identifier.wos000456907400088
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationSR/00/307
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectFoliar optical traitspt_PT
dc.subjectFunctional traitspt_PT
dc.subjectHyperspectral indicespt_PT
dc.subjectUrban ecosystempt_PT
dc.subjectPhenologypt_PT
dc.subjectSoil sealingpt_PT
dc.titleFoliar optical traits indicate that sealed planting conditions negatively affect urban tree healthpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F50016%2F2013/PT
oaire.citation.endPage906pt_PT
oaire.citation.startPage895pt_PT
oaire.fundingStream5876
person.familyNameYu
person.familyNameVan Geel
person.familyNameSousa
person.familyNameCastro
person.familyNameAMEGLIO
person.familyNameHonnay
person.familyNameSomers
person.givenNameKang
person.givenNameMaarten
person.givenNameNadine
person.givenNamePaula
person.givenNameTHIERRY
person.givenNameOlivier
person.givenNameBen
person.identifier2013444
person.identifier183591
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.ciencia-idF01F-6775-2B4F
person.identifier.orcid0000-0002-8170-7408
person.identifier.orcid0000-0001-8688-6225
person.identifier.orcid0000-0001-6993-0386
person.identifier.orcid0000-0001-8841-6606
person.identifier.orcid0000-0001-6919-3531
person.identifier.orcid0000-0002-4287-8511
person.identifier.orcid0000-0002-7191-477X
person.identifier.ridM-8241-2013
person.identifier.ridE-1535-2011
person.identifier.scopus-author-id56400638000
person.identifier.scopus-author-id36198795000
person.identifier.scopus-author-id7102781782
person.identifier.scopus-author-id6701860991
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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