Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/97466
Type: Artigo de periódico
Title: Forest Restoration With Araucaria Angustifolia (bertol.) Kuntze On Campos Do Jordão State Park, Sp: Fire Effects On Tree And Shrub Structure [restauração Florestal Com Araucaria Angustifolia (bertol.) Kuntze No Parque Estadual De Campos Do Jordão, Sp: Efeito Do Fogo Na Estrutura Do Componente Arbustivo-arbóreo]
Author: Ribeiro T.M.
Martins S.V.
Ivanauskas N.M.
Polisel R.T.
Dos Santos R.L.R.
Abstract: Restoration actions aimed at Mixed Ombrophilous Forests are limited due to the scarce knowledge about composition and structure of these communities on different successional stages, and also the effects of frequent disturbances on its dynamics, such as fire. The present work aimed at evaluating the effect of an accidental fire on the horizontal, vertical and diametric structure of an Araucaria angustifolia planted forest, located on Campos do Jordão State Park, SP, nine years after the disturbance. This study also intends to appraise the potential of these forests on inducing the secondary succession. Two Araucaria angustifolia forests were selected, with similar ages and environmental conditions, called Forests RI and RII. On RI, there's no account of fire since its planting, in 1959 (control). RII, which was planted in 1958, was affected by an accidental fire in July 2001. During the upper strata survey (circumference at breast height (CBH) ≥ 15cm), 17 and 8 permanent plots of 10×20m were established on forests RI and RII, respectively. In each one of these plots five sub-plots of 1×1m were randomly chosen, in order to survey the lower strata (total height ≥ 30cm and CBH < 15cm). In forest RI, 836 trees and shrubs were surveyed, while on forest RII 175 individuals were sampled. Forest RI presented significantly higher values than II for density on both strata and dominance on upper strata (absolute totals). The diametric structure follows an inverted J-pattern in both areas. Nevertheless, the fire seems to significantly have reduced the number of individuals of the first diameter classes. Forest RII seems to still express the effect of burning, which was more severe in the lower strata; in case the above hypothesis is correct. However, due to favorable landscape conditions, we hope that both forests continue their natural succession, resembling the surrounding forest matrix in the long term.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84863630356&partnerID=40&md5=e78bae79a11d51b6940eeda128f1a12f
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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