2005
DOI: 10.1093/jxb/eri151
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A mechanical analysis of the relationship between free oscillations of Pinus pinaster Ait. saplings and their aerial architecture

Abstract: The aim of this study was to investigate the influence of aerial architecture on the dynamic characteristics of young maritime pines (Pinus pinaster Ait.) using a mechanistic approach. For this purpose, three 4-year-old saplings with prominent differences in their branching patterns were submitted to free oscillation tests. The tests were carried out with different methods and directions of mechanical loading in order to initiate the movement of each sapling. The oscillations of the different architectural ele… Show more

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Cited by 53 publications
(48 citation statements)
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“…This could be explained by the existence of a scale function with proportion to mass and geometry, providing similar morphology to the trees, and therefore producing similar dynamic behaviors (Sellier and Fourcaud 2005). The main mode of vibration in the range of excitation frequencies was identified at a frequency of 20.2 Hz.…”
Section: Discussionmentioning
confidence: 81%
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“…This could be explained by the existence of a scale function with proportion to mass and geometry, providing similar morphology to the trees, and therefore producing similar dynamic behaviors (Sellier and Fourcaud 2005). The main mode of vibration in the range of excitation frequencies was identified at a frequency of 20.2 Hz.…”
Section: Discussionmentioning
confidence: 81%
“…Its usual values range from 0.2 Hz for P. sylvestris in 11.1-m trees (Hacinen et al 1998) to 0.6 Hz in 4-year-old Pinus pinaster (Sellier et al 2006). However, in open center trees, the main mode of vibration is more influenced by the branches, with the natural frequency becoming less important (Sellier and Fourcaud 2005;James et al 2006). …”
Section: Discussionmentioning
confidence: 99%
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“…Thus, it is difficult to couple these models with others that include variables for plant growth. It is possible to estimate, for example, stand structure and biodiversity (Pretzsch et al, 2002), but calculation of tree-stability (Sellier and Fourcaud, 2005), stand aesthetics (Surová and Pinto-Correia, 2008), light conditions (Dauzat et al, 2008), or other architectural characteristics is difficult or impossible using these models.…”
Section: Introductionmentioning
confidence: 99%
“…Their results demonstrate the impact of edge shape and stand density on quantities of the flow field near the canopy top, the region most relevant for tree failure in strong wind conditions. The aerial parts of trees start to vibrate in response to wind excitation (Sellier and Fourcaud 2005;Rodriguez et al 2008). In forests, dynamic tree responses are not only observed at the single tree level (Mayer 1987;Gardiner 1995;Peltola 1996;Flesch and Wilson 1999;Rudnicki et al 2008;Schindler et al 2010) but also at the tree group level (Rudnicki et al 2001(Rudnicki et al , 2003Schindler et al 2011, this issue).…”
mentioning
confidence: 99%