GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Revista de Ciências Agrárias (Belém. Online) |
Texto Completo: | https://ajaes.ufra.edu.br/index.php/ajaes/article/view/160 |
Resumo: | Knowing the growth of trees and settlement is key to the planning forester forestry activities in their area of management. To help with this issue, we evaluated the rate of growth in volume and diameter of trees in the period 1981 - 1997 in the Tapajós National Forest in the Brazilian Amazon after logging. The average diameter growth was 0.30 cm / year for all species of trees with DBH ≥ 5cm, beginning to approach that of an undisturbed forest. The group presented the shade intolerant species of higher diameter growth rates, reaching 0.60 cm / year, while the group of tolerant species grew only 0.23 cm / year. Trees whose crowns receiving full illumination grew 0.66 cm / year higher than those who received partial illumination (0.38 cm / year) or those who were totally shaded (0.17 cm / year). Undamaged trees grew on average 0.32 cm / year higher than those with mild damage (0.22 cm / year) and severe damage (0.03 cm / year). Trees without lianas in the canopy grew on average 0.45 cm / year. The growth in volume was 1.7 m3 / ha / year. The reduced growth after logging, indicates the need to apply thinning the forest. |
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GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOODCRESCIMENTO DE íRVORES EM UMA ÁREA DE TERRA FIRME NA FLORESTA NACIONAL DO TAPAJÓS APÓS A COLHEITA DE MADEIRAKnowing the growth of trees and settlement is key to the planning forester forestry activities in their area of management. To help with this issue, we evaluated the rate of growth in volume and diameter of trees in the period 1981 - 1997 in the Tapajós National Forest in the Brazilian Amazon after logging. The average diameter growth was 0.30 cm / year for all species of trees with DBH ≥ 5cm, beginning to approach that of an undisturbed forest. The group presented the shade intolerant species of higher diameter growth rates, reaching 0.60 cm / year, while the group of tolerant species grew only 0.23 cm / year. Trees whose crowns receiving full illumination grew 0.66 cm / year higher than those who received partial illumination (0.38 cm / year) or those who were totally shaded (0.17 cm / year). Undamaged trees grew on average 0.32 cm / year higher than those with mild damage (0.22 cm / year) and severe damage (0.03 cm / year). Trees without lianas in the canopy grew on average 0.45 cm / year. The growth in volume was 1.7 m3 / ha / year. The reduced growth after logging, indicates the need to apply thinning the forest.Conhecer o crescimento das árvores e do povoamento é fundamental para o silvicultor planejar as atividades florestais em sua área de manejo. Para contribuir com esse assunto, avaliou-se a taxa de crescimento em diâmetro e volume de árvores, no período de 1981 - 1997, na Floresta Nacional Tapajós na Amazônia brasileira, após a exploração de madeira. O crescimento médio em diâmetro foi de 0,30 cm/ano para todas as espécies de árvores com DAP ≥ 5cm, começando a se aproximar ao de uma floresta não explorada. O grupo de espécies intolerantes à sombra apresentou taxas de crescimento diamétrico mais elevadas, atingindo 0,60 cm/ano, enquanto o grupo das espécies tolerantes cresceu apenas 0,23 cm/ano. Árvores cujas copas receberam iluminação total cresceram 0,66 cm/ano, superior àquelas que receberam iluminação parcial (0,38 cm/ano) ou àquelas que estavam totalmente sombreadas (0,17 cm/ano). As árvores sem danos cresceram em média 0,32 cm/ano, superior àquelas com danos leves (0,22 cm/ano) e danos severos (0,03 cm/ano). As árvores sem cipós na copa cresceram em média 0,45 cm/ano. O crescimento em volume foi de 1,7 m3/ha/ano. A redução do crescimento, após a exploração, indica a necessidade de se aplicar desbaste na floresta.Universidade Federal Rural da Amazônia/UFRA2011-03-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/160Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 50 No 1 (2008): RCA; 63 - 76Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 50 n. 1 (2008): RCA; 63 - 762177-87601517-591Xreponame:Revista de Ciências Agrárias (Belém. Online)instname:Universidade Federal Rural da Amazônia (UFRA)instacron:UFRAporhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/160/68Costa, Dulce Helena MartinsSilva, José Natalino MacedoCarvalho, João Olegário Pereira deinfo:eu-repo/semantics/openAccess2018-12-18T18:38:44Zoai:ojs.www.periodicos.ufra.edu.br:article/160Revistahttps://ajaes.ufra.edu.br/index.php/ajaes/PUBhttps://ajaes.ufra.edu.br/index.php/ajaes/oaiallan.lobato@ufra.edu.br || ajaes.suporte@gmail.com2177-87601517-591Xopendoar:2018-12-18T18:38:44Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA)false |
dc.title.none.fl_str_mv |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD CRESCIMENTO DE íRVORES EM UMA ÁREA DE TERRA FIRME NA FLORESTA NACIONAL DO TAPAJÓS APÓS A COLHEITA DE MADEIRA |
title |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
spellingShingle |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD Costa, Dulce Helena Martins |
title_short |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
title_full |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
title_fullStr |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
title_full_unstemmed |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
title_sort |
GROWTH OF TREES ?? í ON A FIRM IN THE AREA OF LAND NATIONAL FOREST TAPAJÓS AFTER HARVEST WOOD |
author |
Costa, Dulce Helena Martins |
author_facet |
Costa, Dulce Helena Martins Silva, José Natalino Macedo Carvalho, João Olegário Pereira de |
author_role |
author |
author2 |
Silva, José Natalino Macedo Carvalho, João Olegário Pereira de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Costa, Dulce Helena Martins Silva, José Natalino Macedo Carvalho, João Olegário Pereira de |
description |
Knowing the growth of trees and settlement is key to the planning forester forestry activities in their area of management. To help with this issue, we evaluated the rate of growth in volume and diameter of trees in the period 1981 - 1997 in the Tapajós National Forest in the Brazilian Amazon after logging. The average diameter growth was 0.30 cm / year for all species of trees with DBH ≥ 5cm, beginning to approach that of an undisturbed forest. The group presented the shade intolerant species of higher diameter growth rates, reaching 0.60 cm / year, while the group of tolerant species grew only 0.23 cm / year. Trees whose crowns receiving full illumination grew 0.66 cm / year higher than those who received partial illumination (0.38 cm / year) or those who were totally shaded (0.17 cm / year). Undamaged trees grew on average 0.32 cm / year higher than those with mild damage (0.22 cm / year) and severe damage (0.03 cm / year). Trees without lianas in the canopy grew on average 0.45 cm / year. The growth in volume was 1.7 m3 / ha / year. The reduced growth after logging, indicates the need to apply thinning the forest. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-03-28 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/160 |
url |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/160 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/160/68 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural da Amazônia/UFRA |
publisher.none.fl_str_mv |
Universidade Federal Rural da Amazônia/UFRA |
dc.source.none.fl_str_mv |
Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 50 No 1 (2008): RCA; 63 - 76 Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 50 n. 1 (2008): RCA; 63 - 76 2177-8760 1517-591X reponame:Revista de Ciências Agrárias (Belém. Online) instname:Universidade Federal Rural da Amazônia (UFRA) instacron:UFRA |
instname_str |
Universidade Federal Rural da Amazônia (UFRA) |
instacron_str |
UFRA |
institution |
UFRA |
reponame_str |
Revista de Ciências Agrárias (Belém. Online) |
collection |
Revista de Ciências Agrárias (Belém. Online) |
repository.name.fl_str_mv |
Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA) |
repository.mail.fl_str_mv |
allan.lobato@ufra.edu.br || ajaes.suporte@gmail.com |
_version_ |
1797231626384572416 |