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Title: Spatial variability of tree hight at treeline ecotones in the Pyrenees.
Author: Camarero Martínez, Jesús Julio
Gutiérrez Merino, Emilia
Keywords: Pins
Flora alpina
Mountain plants
Issue Date: 2001
Publisher: Universitat Autònoma de Barcelona
Abstract: We describe the spatial distribution of tree height of Pinus uncinata at two undisturbed altitudinal treeline ecotones in the southern Pyrenees (Ordesa, O, and Tessó, T). At each site, a rectangular plot (30 x 140 m) was located with its longest side parallel to the slope and encompassing treeline and timberline. At site O, height increased abruptly going downslope with a high spatial autocorrelation at short distances. In contrast, the changes of tree height across the ecotone at site T were gradual, and tree height was less spatially autocorrelated. These results can be explained by the greater importance of wind and snow avalanches at sites O and T, respectively.
Note: Reproducció del document publicat a:
It is part of: ORSIS: Organismes i Sistemes, 2001, vol. 16, p. 133-144
ISSN: 0213-4039
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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