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dc.contributor.author
Martin-Benito, Dario
dc.contributor.author
Anchukaitis, Kevin J.
dc.contributor.author
Evans, Michael N.
dc.contributor.author
del Río, Miren
dc.contributor.author
Beeckman, Hans
dc.contributor.author
Cañellas, Isabel
dc.date.accessioned
2017-12-05T12:42:20Z
dc.date.available
2017-10-06T05:17:25Z
dc.date.available
2017-10-19T11:10:55Z
dc.date.available
2017-12-05T12:42:20Z
dc.date.issued
2017-09
dc.identifier.issn
1999-4907
dc.identifier.other
10.3390/f8090332
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/192571
dc.identifier.doi
10.3929/ethz-b-000192571
dc.description.abstract
Exploring how drought influences growth, performance, and survival in different species is crucial to understanding the impacts of climate change on forest ecosystems. Here, we investigate the responses of two co-occurring pines (Pinus nigra and Pinus sylvestris) to interannual drought in east-central Spain by dendrochronological and wood anatomical features integrated with isotopic ratios of carbon (δ13C) and oxygen (δ18O) in tree rings. Our results showed that drought induces both species to allocate less carbon to build tracheid cell-walls but increases tracheid lumen diameters, particularly in the transition wood between early and latewood, potentially maximizing hydraulic conductivity but reducing resistance to embolism at a critical phase during the growing season. The thicker cell-wall-to-lumen ratio in P. nigra could imply that its xylem may be more resistant to bending stress and drought-induced cavitation than P. sylvestris. In contrast, the higher intrinsic water-use efficiency (iWUE) in P. sylvestris suggests that it relies more on a water-saving strategy. Our results suggest that narrower cell-walls and reduced growth under drought are not necessarily linked to increased iWUE. At our site P. nigra showed a higher growth plasticity, grew faster and was more competitive than P. sylvestris. In the long term, these sustained differences in iWUE and anatomical characters could affect forest species performance and composition, particularly under increased drought stress.
en_US
dc.language.iso
en
en_US
dc.publisher
MDPI
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
xylem bending stress
en_US
dc.subject
drought
en_US
dc.subject
Pinus
en_US
dc.subject
tracheid
en_US
dc.subject
tree ring
en_US
dc.subject
water-use efficiency
en_US
dc.subject
wood anatomy
en_US
dc.title
Effects of drought on xylem anatomy and water-use efficiency of two co-occurring pine species
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2017-09-08
ethz.journal.title
Forests
ethz.journal.volume
8
en_US
ethz.journal.issue
9
en_US
ethz.pages.start
332
en_US
ethz.size
19 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.grant
Influence of climate variability on the dynamics and structure of old-growth temperate rainforests
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Basel
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02722 - Institut für Terrestrische Oekosysteme / Institute of Terrestrial Ecosystems::03535 - Bugmann, Harald / Bugmann, Harald
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02722 - Institut für Terrestrische Oekosysteme / Institute of Terrestrial Ecosystems::03535 - Bugmann, Harald / Bugmann, Harald
ethz.grant.agreementno
329935
ethz.grant.fundername
EC
ethz.grant.funderDoi
10.13039/501100000780
ethz.grant.program
FP7
ethz.date.deposited
2017-10-06T05:17:29Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-10-19T11:10:57Z
ethz.rosetta.lastUpdated
2018-11-06T04:54:18Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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