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Radiocarbon investigation of a superlative grandidier baobab, the big reniala of Isosa

Patrut Roxana T., Patrut Adrian, Leong Pock Tsy Jean-Michel, Woodborne Stephan, Rakosy Laszlo, Danthu Pascal, Ratiu Ileana-Andreea, Bodis Jenö, Von Reden Karl F.. 2019. Radiocarbon investigation of a superlative grandidier baobab, the big reniala of Isosa. Studia Universitatis Babeş-Bolyai. Chemia, 64 (4) : pp. 131-139.

Journal article ; Article de recherche ; Article de revue à facteur d'impact Revue en libre accès total
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Quartile : Q4, Sujet : CHEMISTRY, MULTIDISCIPLINARY

Abstract : The article discloses the accelerator mass spectrometry (AMS) radiocarbon dating results of the Big Reniala of Isosa, which is a massive Grandidier baobab (Adansonia grandidieri Baill.) of Madagascar. The investigation of this baobab shows that it consists of 5 perfectly fused stems and exhibits a cluster structure. The calculated wood volume of the tree is 540 m 3 , which makes the Big Reniala of Isosa the largest individual of all Adansonia species and also the biggest known angiosperm in terms of volume. Several samples were collected from the outer part of the stems. The oldest dated sample had a radiocarbon date of 934 ± 24 BP, which corresponds to a calibrated age of 845 ± 25 years. This value indicates an age of 1000 ± 100 years for the big Reniala of Isosa.

Mots-clés Agrovoc : Adansonia, Arbre plus, Datation au radiocarbone, Dendrométrie, Tige, Anatomie du bois, Adansonia grandidieri

Mots-clés géographiques Agrovoc : Madagascar

Mots-clés complémentaires : Arbre remarquable

Mots-clés libres : Adansonia grandidieri, Baobab, Madagascar

Classification Agris : K01 - Forestry - General aspects
F50 - Plant structure

Champ stratégique Cirad : CTS 1 (2019-) - Biodiversité

Auteurs et affiliations

  • Patrut Roxana T., Babes-Bolyai University (ROU) - auteur correspondant
  • Patrut Adrian, Babes-Bolyai University (ROU)
  • Leong Pock Tsy Jean-Michel, DP Forests and Biodiversity (MDG)
  • Woodborne Stephan, iThemba LABS (ZAF)
  • Rakosy Laszlo, Babes-Bolyai University (ROU)
  • Danthu Pascal, CIRAD-PERSYST-UPR HortSys (FRA)
  • Ratiu Ileana-Andreea, Babes-Bolyai University (ROU)
  • Bodis Jenö, Babes-Bolyai University (ROU)
  • Von Reden Karl F., WHOI (USA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/594658/)

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