EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ??
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/193 |
Resumo: | Forest exploitation in the state of Pará, in some cases, is carried out without planning. Thus, researchers have developed the method called reduced impact logging, characterized by activity planning system, aiming to reduce costs as well as damage to the forest. However, the system is composed of activities such as the opening of forest roads, these can vary in their density in the area or methodology. The objective is to evaluate the density of forest roads in two operating systems in this state timber companies, calling them S1 and S2, (municipalities of Tucuruı and Portel, respectively). The results showed that the density of the main road, S2 was 2 m / ha and S1 12 m / h (10 m / ha difference) at intersections, S1 was 20 m / ha S2 5 m / ha (difference of 15 m / ha), the skid trails, the density in the S2 system was 21 m / ha (38%) higher than in S1, and on average, the systems evaluated showed differences of 4 m / ha of roads built between them. The open area due to the primary and secondary roads operating systems S1 and S2 was 97.5 m2 / h and 110 m 2 / ha, respectively, where S2 showed increased open area, depending on the system used. On the other hand, due to the open area of the construction of skid trails, the answer given was reversed because the S1 presented 63 m2 / larger than the other analyzed system (S2) ha. The sum of the densities of primary, secondary road and trail, the S2mostrou is environmentally better than the S1 System system; System S1 provides smaller opening area in m2.ha-1, due to the construction of main and secondary roads, as compared with S2. |
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EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ??AVALIAÇÃO DA DENSIDADE ÓTIMA DE ESTRADAS FLORESTAIS EM DOIS SISTEMAS DE EXPLORAÇÃO FLORESTAL NO ESTADO DO PARíForest exploitation in the state of Pará, in some cases, is carried out without planning. Thus, researchers have developed the method called reduced impact logging, characterized by activity planning system, aiming to reduce costs as well as damage to the forest. However, the system is composed of activities such as the opening of forest roads, these can vary in their density in the area or methodology. The objective is to evaluate the density of forest roads in two operating systems in this state timber companies, calling them S1 and S2, (municipalities of Tucuruı and Portel, respectively). The results showed that the density of the main road, S2 was 2 m / ha and S1 12 m / h (10 m / ha difference) at intersections, S1 was 20 m / ha S2 5 m / ha (difference of 15 m / ha), the skid trails, the density in the S2 system was 21 m / ha (38%) higher than in S1, and on average, the systems evaluated showed differences of 4 m / ha of roads built between them. The open area due to the primary and secondary roads operating systems S1 and S2 was 97.5 m2 / h and 110 m 2 / ha, respectively, where S2 showed increased open area, depending on the system used. On the other hand, due to the open area of the construction of skid trails, the answer given was reversed because the S1 presented 63 m2 / larger than the other analyzed system (S2) ha. The sum of the densities of primary, secondary road and trail, the S2mostrou is environmentally better than the S1 System system; System S1 provides smaller opening area in m2.ha-1, due to the construction of main and secondary roads, as compared with S2.A exploração florestal no estado do Pará, em alguns casos, é realizada sem planejamento. Assim, pesquisadores desenvolveram o método denominado de exploração florestal de impacto reduzido, caracterizado pelo planejamento das atividades do sistema, objetivando diminuir custos, bem como danos à floresta. Porém, o sistema se constitui de atividades, como a abertura de estradas florestais, estas podendo variar em sua densidade na área ou metodologia utilizada. O objetivo do trabalho é avaliar a densidade de estradas florestais, em dois sistemas de exploração em empresas madeireiras deste estado, denominando-os de S1 e S2, (municípios de Tucuruí e Portel, respectivamente). Os resultados mostraram que a densidade de estrada principal, no S2 foi de 2 m/ha e no S1 de 12 m/ha, (10 m/ha de diferença), nas estradas secundárias, no S1 foi 20 m/ha e no S2 de 5 m/ha (diferença de 15 m/ha), nas trilhas de arraste, a densidade no sistema S2 foi 21 m/ha (38%) maior que no S1, e, na média, os sistemas avaliados apresentaram diferença de 4 m/ha de estradas construídas entre eles. A área aberta decorrente de estradas principal e secundárias nos sistemas de exploração S1 e S2, foi de 97,5 m2/ha e 110 m2/ha, respectivamente, onde o S2 apresentou maior área aberta, em função do sistema utilizado. Por outro lado, para a área aberta decorrente da construção das trilhas de arraste, a resposta apresentada foi inversa, pois o S1 apresentou-se 63 m2/ha maior que o outro sistema analisado (S2). No somatório das densidades de estrada principal, secundária e trilhas de arraste, o sistema S2mostrou-se ecologicamente melhor que o Sistema S1; O Sistema S1 proporciona menor abertura de área, em m2.ha-1, em decorrência da construção de estradas principal e secundárias, quando comparado com o S2.Universidade Federal Rural da Amazônia/UFRA2011-05-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/193Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 47 No 1 (2007): RCA; 49 - 58Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 47 n. 1 (2007): RCA; 49 - 582177-87601517-591Xreponame:Revista de Ciências Agrárias (Belém. Online)instname:Universidade Federal Rural da Amazônia (UFRA)instacron:UFRAporhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/193/83Rocha, Eduardo Saraiva daBarros, Paulo Luiz Contente deMaciel, Maria de NazaréErler, Jí¶rninfo:eu-repo/semantics/openAccess2018-12-18T18:31:10Zoai:ojs.www.periodicos.ufra.edu.br:article/193Revistahttps://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:2018-12-18T18:31:10Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA)false |
dc.title.none.fl_str_mv |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? AVALIAÇÃO DA DENSIDADE ÓTIMA DE ESTRADAS FLORESTAIS EM DOIS SISTEMAS DE EXPLORAÇÃO FLORESTAL NO ESTADO DO PARí |
title |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
spellingShingle |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? Rocha, Eduardo Saraiva da |
title_short |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
title_full |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
title_fullStr |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
title_full_unstemmed |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
title_sort |
EVALUATION OF DENSITY OPTIMUM FOREST ROADS IN TWO SYSTEMS OF FORESTRY IN THE STATE OF PARI ?? |
author |
Rocha, Eduardo Saraiva da |
author_facet |
Rocha, Eduardo Saraiva da Barros, Paulo Luiz Contente de Maciel, Maria de Nazaré Erler, Jí¶rn |
author_role |
author |
author2 |
Barros, Paulo Luiz Contente de Maciel, Maria de Nazaré Erler, Jí¶rn |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Rocha, Eduardo Saraiva da Barros, Paulo Luiz Contente de Maciel, Maria de Nazaré Erler, Jí¶rn |
description |
Forest exploitation in the state of Pará, in some cases, is carried out without planning. Thus, researchers have developed the method called reduced impact logging, characterized by activity planning system, aiming to reduce costs as well as damage to the forest. However, the system is composed of activities such as the opening of forest roads, these can vary in their density in the area or methodology. The objective is to evaluate the density of forest roads in two operating systems in this state timber companies, calling them S1 and S2, (municipalities of Tucuruı and Portel, respectively). The results showed that the density of the main road, S2 was 2 m / ha and S1 12 m / h (10 m / ha difference) at intersections, S1 was 20 m / ha S2 5 m / ha (difference of 15 m / ha), the skid trails, the density in the S2 system was 21 m / ha (38%) higher than in S1, and on average, the systems evaluated showed differences of 4 m / ha of roads built between them. The open area due to the primary and secondary roads operating systems S1 and S2 was 97.5 m2 / h and 110 m 2 / ha, respectively, where S2 showed increased open area, depending on the system used. On the other hand, due to the open area of the construction of skid trails, the answer given was reversed because the S1 presented 63 m2 / larger than the other analyzed system (S2) ha. The sum of the densities of primary, secondary road and trail, the S2mostrou is environmentally better than the S1 System system; System S1 provides smaller opening area in m2.ha-1, due to the construction of main and secondary roads, as compared with S2. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-05-09 |
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/193 |
url |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/193 |
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/193/83 |
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 47 No 1 (2007): RCA; 49 - 58 Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 47 n. 1 (2007): RCA; 49 - 58 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 |
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1797231626425466880 |