|Appears in Collections:||Biological and Environmental Sciences Journal Articles|
|Peer Review Status:||Refereed|
|Title:||A growth model for azobe, Lophira alata, in Gabon|
|Other Titles:||Un modèle de croissance pour l’azobé, Lophira alata, au Gabon|
|Authors:||Engone, Obiang Nestor|
Jeffery, Kathryn Jane
|Citation:||Engone Obiang N, Ngomanda A, White L, Jeffery KJ, Chezeaux E & Picard N (2012) A growth model for azobe, Lophira alata, in Gabon, Bois et Forets des Tropiques, 66 (314), pp. 65-72.|
|Abstract:||Azobé, Lophira alata, is a major timber species in Central Africa classified as vulnerable into the IUCN red list. To date, despite numerous measures of increment, no growth model has been published for this species. This study aims to distinguish the effects between tree size and local competition on tree growth. A growth model was fitted for azobé, using data from four sites in Gabon. The growth model was designed to be useful for forest management that means it relied on variables that could be computed using forest inventory data. A lognormal growth model with a negative response to stand density and basal area has been selected. The relation between growth and size was unimodal with a maximum at 60 cm of diameter at breast height. A significant residual social status effect on growth has been found (with a slower growth for suppressed trees) while no residual site effect was found.|
|Rights:||This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Publisher allows this work to be made available in this repository. Published in Bois et Forêts des Tropiques, 66/614 - 2012 - pp. 65-72 by Lavoisier.|
|Obiang et al. Bois et Forets.2012.pdf||1.51 MB||Adobe PDF||View/Open|
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