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Modelling reveals endogenous osmotic adaptation of storage tissue water potential as an important driver determining different stem diameter variation patterns in the mangrove species Avicennia marina and Rhizophora stylosa

Maurits Vandegehuchte, Adrien Guyot, Michiel Hubeau, Tom De Swaef, David Lockington and Kathy Steppe UGent (2014) ANNALS OF BOTANY. 114(4). p.667-676
abstract
Background: Stem diameter variations are mainly determined by the radial water transport between xylem and storage tissues. This radial transport results from the water potential difference between these tissues, which is influenced by both hydraulic and carbon related processes. Measurements have shown that when subjected to the same environmental conditions, the co-occurring mangrove species Avicennia marina and Rhizophora stylosa unexpectedly show a totally different pattern in daily stem diameter variation. Methods: Using in situ measurements of stem diameter variation, stem water potential and sap flow, a mechanistic flow and storage model based on the cohesion-tension theory was applied to assess the differences in osmotic storage water potential between Avicennia marina and Rhizophora stylosa. Key results: Both species, subjected to the same environmental conditions, showed a resembling daily pattern in simulated osmotic storage water potential. However, the osmotic storage water potential of R. stylosa started to decrease slightly after that of A. marina in the morning and increased again slightly later in the evening. This small shift in osmotic storage water potential likely underlaid the marked differences in daily stem diameter variation pattern between the two species. Conclusions: The results show that in addition to environmental dynamics, endogenous changes in the osmotic storage water potential must be taken into account in order to accurately predict stem diameter variations, and hence growth.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Avicennia marina, Functional-structural modelling, Rhizophora stylosa, stem diameter variation, dendrometer, osmotic water potential, endogenous control, mangrove, plant water relations, osmotic regulation, growth, mechanistic model, sap flow, SAP FLOW, AUSTRALIAN MANGROVES, CHEMICAL-COMPOSITION, BIOPHYSICAL ANALYSIS, PHLOEM TRANSPORT, CELL ELONGATION, SUGAR-TRANSPORT, RADIUS CHANGES, NORWAY SPRUCE, SCOTS PINE
journal title
ANNALS OF BOTANY
Ann. Bot.
volume
114
issue
4
pages
667 - 676
Web of Science type
Article
Web of Science id
000343039600007
JCR category
PLANT SCIENCES
JCR impact factor
3.654 (2014)
JCR rank
26/204 (2014)
JCR quartile
1 (2014)
ISSN
0305-7364
DOI
10.1093/aob/mct311
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
4432191
handle
http://hdl.handle.net/1854/LU-4432191
date created
2014-06-28 12:13:43
date last changed
2016-12-19 15:38:52
@article{4432191,
  abstract     = {Background: Stem diameter variations are mainly determined by the radial water transport between xylem and storage tissues. This radial transport results from the water potential difference between these tissues, which is influenced by both hydraulic and carbon related processes. Measurements have shown that when subjected to the same environmental conditions, the co-occurring mangrove species Avicennia marina and Rhizophora stylosa unexpectedly show a totally different pattern in daily stem diameter variation. 
Methods: Using in situ measurements of stem diameter variation, stem water potential and sap flow, a mechanistic flow and storage model based on the cohesion-tension theory was applied to assess the differences in osmotic storage water potential between Avicennia marina and Rhizophora stylosa. 
Key results: Both species, subjected to the same environmental conditions, showed a resembling daily pattern in simulated osmotic storage water potential. However, the osmotic storage water potential of R. stylosa started to decrease slightly after that of A. marina in the morning and increased again slightly later in the evening. This small shift in osmotic storage water potential likely underlaid the marked differences in daily stem diameter variation pattern between the two species. 
Conclusions: The results show that in addition to environmental dynamics, endogenous changes in the osmotic storage water potential must be taken into account in order to accurately predict stem diameter variations, and hence growth.},
  author       = {Vandegehuchte, Maurits and Guyot, Adrien and Hubeau, Michiel and De Swaef, Tom and Lockington, David and Steppe, Kathy},
  issn         = {0305-7364},
  journal      = {ANNALS OF BOTANY},
  keyword      = {Avicennia marina,Functional-structural modelling,Rhizophora stylosa,stem diameter variation,dendrometer,osmotic water potential,endogenous control,mangrove,plant water relations,osmotic regulation,growth,mechanistic model,sap flow,SAP FLOW,AUSTRALIAN MANGROVES,CHEMICAL-COMPOSITION,BIOPHYSICAL ANALYSIS,PHLOEM TRANSPORT,CELL ELONGATION,SUGAR-TRANSPORT,RADIUS CHANGES,NORWAY SPRUCE,SCOTS PINE},
  language     = {eng},
  number       = {4},
  pages        = {667--676},
  title        = {Modelling reveals endogenous osmotic adaptation of storage tissue water potential as an important driver determining different stem diameter variation patterns in the mangrove species Avicennia marina and Rhizophora stylosa},
  url          = {http://dx.doi.org/10.1093/aob/mct311},
  volume       = {114},
  year         = {2014},
}

Chicago
Vandegehuchte, Maurits, Adrien Guyot, Michiel Hubeau, Tom De Swaef, David Lockington, and Kathy Steppe. 2014. “Modelling Reveals Endogenous Osmotic Adaptation of Storage Tissue Water Potential as an Important Driver Determining Different Stem Diameter Variation Patterns in the Mangrove Species Avicennia Marina and Rhizophora Stylosa.” Annals of Botany 114 (4): 667–676.
APA
Vandegehuchte, Maurits, Guyot, A., Hubeau, M., De Swaef, T., Lockington, D., & Steppe, K. (2014). Modelling reveals endogenous osmotic adaptation of storage tissue water potential as an important driver determining different stem diameter variation patterns in the mangrove species Avicennia marina and Rhizophora stylosa. ANNALS OF BOTANY, 114(4), 667–676.
Vancouver
1.
Vandegehuchte M, Guyot A, Hubeau M, De Swaef T, Lockington D, Steppe K. Modelling reveals endogenous osmotic adaptation of storage tissue water potential as an important driver determining different stem diameter variation patterns in the mangrove species Avicennia marina and Rhizophora stylosa. ANNALS OF BOTANY. 2014;114(4):667–76.
MLA
Vandegehuchte, Maurits, Adrien Guyot, Michiel Hubeau, et al. “Modelling Reveals Endogenous Osmotic Adaptation of Storage Tissue Water Potential as an Important Driver Determining Different Stem Diameter Variation Patterns in the Mangrove Species Avicennia Marina and Rhizophora Stylosa.” ANNALS OF BOTANY 114.4 (2014): 667–676. Print.