Long-term versus daily stem diameter variation in co-occurring mangrove species: environmental versus ecophysiological drivers

Vandegehuchte, Maurits W., Guyot, Adrien, Hubau, Michiel, De Groote, Stephanie R. E., De Baerdemaeker, Niels J. F., Hayes, Matthew, Welti, Nina, Lovelock, Catherine E., Lockington, David A. and Steppe, Kathy (2014) Long-term versus daily stem diameter variation in co-occurring mangrove species: environmental versus ecophysiological drivers. Agricultural and Forest Meteorology, 192-193 51-58. doi:10.1016/j.agrformet.2014.03.002


Author Vandegehuchte, Maurits W.
Guyot, Adrien
Hubau, Michiel
De Groote, Stephanie R. E.
De Baerdemaeker, Niels J. F.
Hayes, Matthew
Welti, Nina
Lovelock, Catherine E.
Lockington, David A.
Steppe, Kathy
Title Long-term versus daily stem diameter variation in co-occurring mangrove species: environmental versus ecophysiological drivers
Journal name Agricultural and Forest Meteorology   Check publisher's open access policy
ISSN 0168-1923
1873-2240
Publication date 2014-07-15
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.agrformet.2014.03.002
Volume 192-193
Start page 51
End page 58
Total pages 8
Place of publication Amsterdam Netherlands
Publisher Elsevier
Language eng
Formatted abstract
High temporal resolution stem diameter variation (SDV) patterns have been widely recognized as a tool to study fundamental plant physiological mechanisms underlying whole-plant functioning and growth. As an integrative response to hydraulic and carbon related processes, SDV research has greatly improved insights in plant functioning of several herbaceous and woody species. Nevertheless, to date little detailed information on SDV and related physiological processes is available for mangrove species. By measuring continuous tree physiological variables such as stem diameter variations, sap flow and stem water potential in relation to the microclimatic conditions, the water use strategies of two co-occurring mangrove species, Avicennia marina (Forssk.) Vierh. and Rhizophora stylosa Griff. were investigated. Even though both species showed a similar long-term growth trend, closely linked to the environmental conditions, their daily SDV pattern was markedly different. While for Avicennia marina the SDV showed the standard daily pattern of morning decline and evening rise, the opposite daily SDV pattern was observed for Rhizophora stylosa. The contrasting patterns of SDV in both species thriving in the same environment indicates the importance and complexity of physiological endogenous mechanisms in addition to environmental conditions in controlling SDV and radial stem growth.
Keyword Avicennia marina (Forssk.) Vierh.
Dendrometer
Mangrove
Rhizophora stylosa Griff.
Stem diameter variation
Water use
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2015 Collection
School of Biological Sciences Publications
 
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