Constraints on physiological function associated with branch architecture and wood density in tropical forest trees

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dc.contributor.author Meinzer, Frederick en_US
dc.contributor.author Campanello, Paula en_US
dc.contributor.author Domec, Jean-Christophe en_US
dc.contributor.author Gatti, M. en_US
dc.contributor.author Goldstein, Guillermo en_US
dc.contributor.author Villalobos-Vega, Randol en_US
dc.contributor.author Woodruff, David en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-02-02T08:48:57Z
dc.date.available 2012-02-02T08:48:57Z
dc.date.issued 2008 en_US
dc.identifier 2010001812 en_US
dc.identifier.citation Meinzer Frederick et al. 2008, 'Constraints on physiological function associated with branch architecture and wood density in tropical forest trees', Heron Publishing, vol. 28, no. 11, pp. 1609-1617. en_US
dc.identifier.issn 0829-318X en_US
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/15041
dc.description.abstract This study examined how leaf and stem functional traits related to gas exchange and water balance scale with two potential proxies for tree hydraulic architecture: the leaf area:sapwood area ratio (AL:AS) and wood density (?w). We studied the upper crowns of individuals of 15 tropical forest tree species at two sites in Panama with contrasting moisture regimes and forest types. Transpiration and maximum photosynthetic electron transport rate (ETRmax) per unit leaf area declined sharply with increasing AL:AS, as did the ratio of ETRmax to leaf N content, an index of photosynthetic nitrogen-use efficiency. Midday leaf water potential, bulk leaf osmotic potential at zero turgor, branch xylem specific conductivity, leaf-specific conductivity and stem and leaf capacitance all declined with increasing ?w. At the branch scale, AL:AS and total leaf N content per unit sapwood area increased with ?w, resulting in a 30% increase in ETRmax per unit sapwood area with a doubling of ?w. en_US
dc.language en_US
dc.publisher Heron Publishing en_US
dc.relation.isbasedon http://dx.doi.org/10.1093/treephys/28.11.1609 en_US
dc.title Constraints on physiological function associated with branch architecture and wood density in tropical forest trees en_US
dc.parent Tree Physiology en_US
dc.journal.volume 28 en_US
dc.journal.number 11 en_US
dc.publocation Canada en_US
dc.identifier.startpage 1609 en_US
dc.identifier.endpage 1617 en_US
dc.cauo.name SCI.Plant Functional Biology & Climate Change en_US
dc.conference Verified OK en_US
dc.for 070500 en_US
dc.personcode 0000066600 en_US
dc.personcode 0000066601 en_US
dc.personcode 0000066602 en_US
dc.personcode 0000066603 en_US
dc.personcode 0000066604 en_US
dc.personcode 111479 en_US
dc.personcode 0000066605 en_US
dc.percentage 100 en_US
dc.classification.name Forestry Sciences en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords capacitance, functional convergence, hydraulic architecture, osmotic potential, photosynthesis, transpiration, water potential en_US
dc.staffid en_US


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