Age and growth rate dynamics of an old African baobab determined by radiocarbon dating


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dc.contributor.author Patrut, Adrian
dc.contributor.author Mayne, Diana H.
dc.contributor.author von Reden, Karl F.
dc.contributor.author Lowy, Daniel A.
dc.contributor.author Venter, Sarah
dc.contributor.author McNichol, Ann P.
dc.contributor.author Roberts, Mark L.
dc.contributor.author Margineanu, Dragos
dc.date.accessioned 2011-03-07T20:57:10Z
dc.date.available 2011-03-07T20:57:10Z
dc.date.issued 2010-08
dc.identifier.citation Radiocarbon 52 (2010): 727-734 en_US
dc.identifier.uri http://hdl.handle.net/1912/4375
dc.description Author Posting. © Arizona Board of Regents on behalf of the University of Arizona, 2010. This article is posted here by permission of Dept. of Geosciences, University of Arizona for personal use, not for redistribution. The definitive version was published in Radiocarbon 52 (2010): 727-734. en_US
dc.description.abstract In 2008, a large African baobab (Adansonia digitata L.) from Makulu Makete, South Africa, split vertically into 2 sections, revealing a large enclosed cavity. Several wood samples collected from the cavity were processed and radiocarbon dated by accelerator mass spectrometry (AMS) for determining the age and growth rate dynamics of the tree. The 14C date of the oldest sample was found to be of 1016 ± 22 BP, which corresponds to a calibrated age of 1000 ± 15 yr. Thus, the Makulu Makete tree, which eventually collapsed to the ground and died, becomes the second oldest African baobab dated accurately to at least 1000 yr. The conventional growth rate of the trunk, estimated by the radial increase, declined gradually over its life cycle. However, the growth rate expressed more adequately by the cross-sectional area increase and by the volume increase accelerated up to the age of 650 yr and remained almost constant over the past 450 yr. en_US
dc.description.sponsorship This material is based on work supported by a grant from the Romanian National University Research Council (PN II - IDEI 2354 Nr. 1092) and by US National Science Foundation under Cooperative Agreement OCE-022828996. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher Dept. of Geosciences, University of Arizona en_US
dc.relation.uri https://journals.uair.arizona.edu/index.php/radiocarbon/article/view/3706
dc.title Age and growth rate dynamics of an old African baobab determined by radiocarbon dating en_US
dc.type Article en_US

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