Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

OAI: https://revistas.ucr.ac.cr/index.php/rbt/oai
Posible influencia de los rametes en la estructura poblacional y distribución del árbol gigante Warszewiczia uxpanapensis, Cordillera de Tilarán, Costa Rica
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Brenes Cambronero, L., & Francisco Di Stéfano, J. (2006). Posible influencia de los rametes en la estructura poblacional y distribución del árbol gigante Warszewiczia uxpanapensis, Cordillera de Tilarán, Costa Rica. Revista De Biología Tropical, 54(4), 1179–1188. https://doi.org/10.15517/rbt.v54i4.3095

Abstract

The distribution and population structure of Warszewiczia (=Elaeagia) uxpanapensis , a tree that reaches a height of 45 m, a DBH of 1.40 m and 8 m tall buttresses, was studied on two 1-ha plots of premontane pluvial forest. It had a frequency of 49 % and a mean dominance of 6.5 %. The adult distribution was random (mean distance to the nearest neighboring tree in plot 1, it was 14.26 m, n= 15; Clark-Evans Index (IC-E)= 1.07; in plot 2, it was 15.33 m, n= 18, IC-E= 1.34,). The seedlings represented 60.3 % of the sampled population (plot 1, n= 94; plot 2, n= 85). This species has a very high capability of propagating itself vegetatively through clones (“ramets”), which influence its distribution and population structure. With a ramet density in plot 1 of 0.8 and in plot 2 of 0.3/ 100 m2, its propagation could be from fallen trees or branches (which also create clearings in the forest) or from standing trees and even live branches that produce adventitious roots.

https://doi.org/10.15517/rbt.v54i4.3095
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