inventário florestal a 100% em pequenas áreas sob manejo florestal madeireiro forest inventory to 100% in small areas under wood forest management
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ID: 223233
2006
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Abstract
O inventário é uma etapa básica do manejo florestal em que é avaliado a composição da floresta e a sua potencialidade para o manejo. O inventário a 100% tem o propósito de determinar o estoque de madeira existente para fins de planejamento da exploração. Este trabalho apresenta resultados de inventário florestal a 100% de um projeto de manejo florestal comunitário madeireiro conduzido pela Embrapa Acre em parceria com um grupo de produtores do Projeto de Colonização Pedro Peixoto, no estado Acre. A área total inventariada foi de 206,8 ha, composta por 57 talhões de tamanho médio de 3,6 ha cada um, correspondente a 48% da área total sob manejo de 12 pequenas propriedades. Foram abordadas todas as árvores com DAP ³ a 50,0 cm. Os resultados foram expressos, por espécie, por propriedade e para a área total em: número total de árvores (NT); abundância por hectare (AB); volume total (VT); volume por hectare (V); área basal total (ABsT); área basal por hectare (ABs); índice de importância da espécie (IND); e condição de aproveitamento da tora. Para a área total os resultados foram: NT = 3.518 árvores; AB = 17,01 árvores.ha-1; VT = 21.667,41 m³; V = 104,77 m³.ha-1; ABsT = 1.413,77 m²; e ABs = 6,84 m².ha-1. Foram reconhecidas em campo 204 espécies, pertencentes a 136 gêneros e a 43 famílias. Foi observado acentuada concentração dos dados dendrométricos em poucas espécies, pois somente cinco espécies respondem por um terço (33,6%) do IND total.
The inventory is a basic stage of the forest management in that is evaluated the composition of the forest and its potentiality for the management. The inventory to 100% has the purpose of determining the stock existent of wood logs for ends of planning of the exploration. This paper presents results of forest inventory to 100% of a wood forest management communitary project lead by Embrapa Acre in partnership with a group of small farmers of the Pedro Peixoto Colonization Project, in the State of Acre, Brazilian Amazonian region. The inventoried total area was of 206,8 ha, composed by 57 compartments with average size of 3,6 ha each one, corresponding to 48% of the total area under management of 12 small properties. Were included all the trees with DBH ³ to 50,0 cm. The results were expressed, for species, for property and for the total area in: total amount of trees (NT); amount of trees for hectare (AB); total volume (VT); volume for hectare (V); total basal area (ABsT); basal area for hectare (ABs); index of importance of the species (IND); and condition of use of the log. The results for the total area were: NT = 3.518 trees; AB = 17,01 trees.ha-1; VT = 21.667,41 m³; V = 104,77 m³.ha-1; ABsT = 1.413,77 m²; e ABs = 6,84 m².ha-1. In the inventoried area 204 species were recognized, belonging to 136 botanical genera and 43 familiae. Was observed accentuated concentration of the dendrometric data in few species, because only five species answer for a third (33,6%) of the total IND.
The inventory is a basic stage of the forest management in that is evaluated the composition of the forest and its potentiality for the management. The inventory to 100% has the purpose of determining the stock existent of wood logs for ends of planning of the exploration. This paper presents results of forest inventory to 100% of a wood forest management communitary project lead by Embrapa Acre in partnership with a group of small farmers of the Pedro Peixoto Colonization Project, in the State of Acre, Brazilian Amazonian region. The inventoried total area was of 206,8 ha, composed by 57 compartments with average size of 3,6 ha each one, corresponding to 48% of the total area under management of 12 small properties. Were included all the trees with DBH ³ to 50,0 cm. The results were expressed, for species, for property and for the total area in: total amount of trees (NT); amount of trees for hectare (AB); total volume (VT); volume for hectare (V); total basal area (ABsT); basal area for hectare (ABs); index of importance of the species (IND); and condition of use of the log. The results for the total area were: NT = 3.518 trees; AB = 17,01 trees.ha-1; VT = 21.667,41 m³; V = 104,77 m³.ha-1; ABsT = 1.413,77 m²; e ABs = 6,84 m².ha-1. In the inventoried area 204 species were recognized, belonging to 136 botanical genera and 43 familiae. Was observed accentuated concentration of the dendrometric data in few species, because only five species answer for a third (33,6%) of the total IND.
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araujo2006actainventrio
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| Authors | ;Henrique José Borges de Araujo |
| Journal | tumour biology : the journal of the international society for oncodevelopmental biology and medicine |
| Year | 2006 |
| DOI |
10.1590/S0044-59672006000400007
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