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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3SMPQSH
Repositorysid.inpe.br/mtc-m21c/2019/02.07.16.28   (restricted access)
Last Update2019:02.07.16.28.43 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21c/2019/02.07.16.28.43
Metadata Last Update2020:01.06.11.42.09 (UTC) administrator
DOI10.1093/treephys/tpy062
ISSN0829-318X
Labelself-archiving-INPE-MCTIC-GOV-BR
Citation KeyVinyaMaBrFiBrAr:2019:EvWaCo
TitleSeasonal changes in plant–water relations influence patterns of leaf display in Miombo woodlands: evidence of water conservative strategies
Year2019
MonthJan.
Access Date2024, Apr. 26
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size788 KiB
2. Context
Author1 Vinya, Royd
2 Malhi, Yadvinder
3 Brown, Nick D.
4 Fisher, Joshua B.
5 Brodribb, Timothy
6 Aragão, Luiz Eduardo Oliveira e Cruz de
ORCID1 0000-0003-0478-2612
Group1
2
3
4
5
6 DIDSR-CGOBT-INPE-MCTIC-GOV-BR
Affiliation1 Oxford University Centre for the Environment
2 Oxford University Centre for the Environment
3 University of Oxford
4 University of Tasmania
5
6 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 royd.vinya@cbu.ac.zm
2
3
4
5
6 luiz.aragao@inpe.br
JournalTree Physiology
Volume39
Number1
Pages104-112
Secondary MarkA1_CIÊNCIAS_AGRÁRIAS_I A1_BIODIVERSIDADE A2_CIÊNCIAS_AMBIENTAIS B1_CIÊNCIAS_BIOLÓGICAS_I C_CIÊNCIA_DE_ALIMENTOS
History (UTC)2019-02-07 16:30:02 :: simone -> administrator :: 2019
2020-01-06 11:42:09 :: administrator -> simone :: 2019
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractWater availability has frequently been linked to seasonal leaf display in seasonally dry ecosystems, but there have been few ecohydrological investigations of this link. Miombo woodland is a dominant seasonally dry tropical forest ecosystem type in southern Africa; however, there are few data on the relationship between seasonal dynamics in plantwater relations and patterns of leaf display for Miombo woodland. Here we investigate this relationship among nine key Miombo woodland tree species differing in drought tolerance ability and leaf phenology. Results of this study showed that seasonal patterns of leaf phenology varied significantly with seasonal changes in stem water relations among the nine species. Leaf shedding coincided with the attainment of seasonal minimum stem water potential. Leaf flush occurred following xylem rehydration at the peak of the dry season suggesting that endogenous plant factors play a pivotal role in seasonal leaf display in this forest type. Drought-tolerant deciduous species suffered significantly higher seasonal losses in xylem hydraulic conductivity than the drought-intolerant semi-evergreen tree species (P < 0.05). There was a significant and positive correlation between species drought tolerance index and species seasonal loss in hydraulic conductivity (P < 0.05), confirming the ecological role of long-distance xylem transport in this seasonally dry tropical forest. Our results reveal that water stress in seasonally dry tropical forests selects for water conservative traits that protect the vulnerable xylem transport system. Therefore, seasonal rhythms in xylem transport dictate patterns of leaf display in seasonally dry tropical forests.
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4. Conditions of access and use
Languageen
Target Filevinya_seasonal.pdf
User Groupsimone
Visibilityshown
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ER446E
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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