use of the de liocourt quotient in the evaluation of the diametric distribution in fragments of ombrophylous forest, pernambuco state-brazil
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Abstract
Great part of the biodiversity of the ecosystem of tropical forests is being lost even before we have full knowledge of its natural wealth, making it important perform studies that can provide knowledge and the maintenance of its structure, besides making possible the exploration of its products, goods and/or services in a planned and rational form, guaranteeing the continuous flow of these resources. The general objective of this study was to use the De Liocourt quotient in the evaluation of the diametric distribution in fragments of Ombrophylous Forest located in the city of Catende, Pernambuco state - Brazil, having as specific objectives: to describe the diametric structure of the fragments and the species of greater importance using the Value of Importance Index (VI); and to evaluate the degradation and the state of succession of the studied areas. The diametric distribution revealed uneven-aged forests as the diametric curve of distribution resembled a reverse J-shape. The values of basal area in the fragments were of 23.6 and 20.9 m2.ha-1, for Mata das Caldeiras and Mata das Galinhas. The fragments were, on average, in the secondary period of succession. Some species presented difficulties in the rate of recruitment, which could lead to the extinguishing of some species in the future. Species, such as Tapirira guianensis Aubl., Dialium guianense (Aubl.) Sandwith and Brosimum discolor Schott, demonstrated a distinct diametric structure among the fragments. The species Plathymenia foliolosa Benth. presented accented discontinuities in the diametric structure in both areas.
| Reference Key |
junior2010cinciause
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| Authors | ;Francisco Tarcísio Alves Junior;Rinaldo Luiz Caraciolo Ferreira;José Antônio Aleixo da Silva;Luiz Carlos Marangon;Roberto Felix Costa Junior;Shirley de Oliveira Silva |
| Journal | journal of organic chemistry |
| Year | 2010 |
| DOI |
10.5902/198050981854
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| URL | |
| Keywords | Keywords not found |
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