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Water use partitioning of native and non‐native tree species in riparian ecosystems under contrasting climatic conditions

2022-07Artigo científico Acesso aberto
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dc.contributor.authorGranda, Elena
dc.contributor.authorAntunes, Cristina
dc.contributor.authorMáguas, C.
dc.contributor.authorCastro‐Díez, Pilar
dc.date.accessioned2022-12-09T07:59:30Z
dc.date.available2022-12-09T07:59:30Z
dc.date.issued2022-07
dc.description.abstract1. One of the suggested mechanisms behind the success of non- native plants in recipient ecosystems is competition avoidance with natives by means of differ-ent resource-use strategies, such as deeper water uptake under dry conditions.2. We aimed at evaluating water source partitioning between native and non- native tree species coexisting in central Spain floodplains; determining the dependency on drought stress of such water sources use; and assessing if the reliance on deeper water sources relates with physiological and growth performance.3. We assessed water uptake depth, leaf functional traits related to physiological performance and growth of native (Populus alba) and non- native trees (Ailanthus altissima, Robinia pseudoacacia) coexisting in riparian forests under different drought conditions (drier, intermediate and wetter). We analysed δ2H and δ18O isotopes in xylem water and in soil water from top, mid and deep soil depths and determined the contribution of each water source to overall plant xylem water. Leaf traits re-lated with resource use and secondary growth were assessed for each species.4. We found stronger differences between sites than between species, with all species taking more deep water in the driest site (~45% of the xylem water) than in the wettest (~15%). However, under drier conditions, species differences were significant for top-soil water use, with R. pseudocacia withdrawing more super-ficial water (~22%) than A. altissima (~8%). These results indicate stronger water partitioning under drier conditions. Non- native species showed a physiological strategy characterized by greater leaf N, water content, and enriched δ13C and δ15N values independently of the deep-water uptake. However, a positive rela-tionship between deep soil water use and such strategy was found for P. alba .5. We highlight that those native and non- native species differences were more evident regarding physiological performance at leaf level than for deep-water uptake or growth. Furthermore, our results suggest that differences in water sources used by coexisting species may increase under drier conditions.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGranda, E., Antunes, C., Máguas, C., & Castro-Díez, P. (2022). Water use partitioning of native and non-native tree species in riparian ecosystems under contrasting climatic conditions. Functional Ecology, 36, 2480– 2492. https://doi.org/10.1111/1365-2435.14149pt_PT
dc.identifier.doi10.1111/1365-2435.14149pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/55365
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relationUAH-funded project ESCApE from the program Consolidación de Grupos de Investigación (CCG19/CC-023)pt_PT
dc.relationMCIU/AEI/FEDER, UE [Postdoctoral Contract (IJCI- 2017- 32511)]pt_PT
dc.relationEuropean Commission Research Executive Agency, through a Marie Skłodowska-Curie Action individual fellowship (101003298—HyChanCEs project),pt_PT
dc.relationFCT UIDB/00329/2020pt_PT
dc.relationSpanish Ministry of Science and Innovation (MCINN), the Spanish State Research Agency (AEI) and European Regional Development Fund (FEDER, UE) [grants EXARBIN (RTI2018-093504-B- I00); InvaNET (RED2018-102571-T)] and by Community of Madrid [grant REMEDINAL (TE-CM S2018/EMT-4338)]pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.titleWater use partitioning of native and non‐native tree species in riparian ecosystems under contrasting climatic conditionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage2492pt_PT
oaire.citation.issue10pt_PT
oaire.citation.startPage2480pt_PT
oaire.citation.titleFunctional Ecologypt_PT
oaire.citation.volume36pt_PT
person.familyNameNunes Antunes
person.familyNameMaria Filipe Máguas da Silva Hanson
person.givenNameCristina Maria
person.givenNameCristina
person.identifier.ciencia-id4B14-0261-A878
person.identifier.ciencia-idAC15-C40D-D0A2
person.identifier.orcid0000-0002-5934-388X
person.identifier.orcid0000-0002-4396-7073
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicatione60ff909-93e2-47b4-8759-0e8af0f5c949
relation.isAuthorOfPublication55a08da9-2d04-420e-944a-417db0467301
relation.isAuthorOfPublication.latestForDiscovery55a08da9-2d04-420e-944a-417db0467301

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