Forest Operations
Mostrando 13-24 de 35 artigos, teses e dissertações.
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13. Human brain magnetic resonance-image segmentation and its evaluation / Segmentação de tecidos do cerebro humano em imagens de ressonancia magnetica e sua avaliação
Segmentation of brain tissues from MR-images has become crucial to advance research, diagnosis and treatment in Neurology. Despite the large number of contributions, brain tissue segmentation is still a challenge, due to problems in image acquisition, large data sets, and anatomical variations caused by surgery, pathologies and differences in sex and age. An
Publicado em: 2010
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14. SUBSÍDIOS PARA O PLANEJAMENTO DO MANEJO DE FLORESTAS TROPICAIS DA AMAZÔNIA / SUPPORT TO MANAGEMENT PLANNING IN AMAZONIA TROPICAL FORESTS
Esta pesquisa visa levantar procedimentos que devem ser incluídos nos planos de manejo. O trabalho está dividido em sete capítulos. No primeiro capítulo, são mencionados introdução, justificativa e objetivos do trabalho. No segundo capítulo, é realizada a revisão bibliográfica sobre o manejo das florestas naturais tropicais, avaliando as dificulda
Publicado em: 2010
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15. Metodologia para planejamento da colheita e transporte florestal utilizando geotecnologia e pesquisa operacional / Methodology for planning forest harvesting and transport using geotechnology and operations research.
Considering the current scenario in which the use of forest resources is growing quickly, it is necessary the use of techniques and tools to facilitate the short, medium and long run planning, thus facilitating the search for a more rational use of these precious resources, assisting and supporting the decision making. This study aimed to use the geographic
Publicado em: 2009
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16. Lumber companies with forest certification and green marketing: comunicacionais strategies of the Cikel group / Empresas madeireiras com certificação florestal e marketing verde: estratégias comunicacionais do grupo Cikel
In the nineties, the politics of forest administration in Brazil started to be determined by the hegemonic speech of the sustainable development. Pressed by environmentalists and other social agents, the companies are guided, through market influences, to reduce the predatory actions to the environment. With that, non-governmental organizations (NGOs) joined
Publicado em: 2009
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17. Agendamento otimizado das atividades de colheita de madeira em plantios de eucaliptos sob restrições operacionais, espaciais e de risco climático / Optimized harvest scheduling in eucalyptus plantations under operational, spatial and climatic risk constraints
Sustainability concerns in forest-based industries, as related to environmental, social and economic aspects, have been highlighted with crescent realism. Therefore, forest management plans must consider a greater level of details when analyzing and understanding the interaction among these aspects to prevent possible future impacts. At the tactical and oper
Publicado em: 2009
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18. Hybrid heuristic strategies for planning and scheduling forest harvest and transportation activities in short term / Estrategias hibridas para um problema de planejamento e escalonamento de atividades florestais em curto prazo
This thesis aimed at studying and solving a planning and scheduling problem stemming from forest harvest and wood transportation activities. Our approach treated a real problem faced by large pulp and paper companies in Brazil. It consists in planning, for a short-term horizon, the harvesting operations in different forest areas and the transportation of the
Publicado em: 2008
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19. Evaluation of environment impact of the technological innovation on forest harvesting / Avaliação de impactos ambientais da inovação tecnológica na colheita florestal
In considering the development of forest harvesting in the country, it is observed that the progress was very big. Since the 60 s until the present day there were many changes occurred in this sector, with the operations evolved from a manual process for the semimechanized, became in recent decades a significant aspect in terms of mechanization. Thus, become
Publicado em: 2008
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20. Zoneamento ambiental do município de Querência MT
The sustainable use of the natural resources should be a basic premise to be integrated in environmental policies in order to avoid the growing natural ecosystems destruction. To assure a better appropriation of these resources is fundamental to apply the territorial arrangement landscape, with the formulation of environmental zonings. The municipality of Qu
Publicado em: 2008
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21. Manutenção de uma faixa de eucaliptos para proteção da borda de um fragmento florestal / Eucalyptus zone maintenance to protect a border of forestal fragment.
Eucalyptus zone maintenance to protect a border of forestal fragment. Nowadays, one of the biggest challenge found is the balance between the non tropical actions and the environment, this is called "sustentability". This work had as an objective values the influence of maintenance, during the forestal exploration of three lines of eucalyptus around one fore
Publicado em: 2008
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22. Avaliação técnica e econômica do corte de Pinus com harvester / Technical and economical evaluation of the cut of Pinus with harvester
In the Brazilian forest sector, several companies use modern technologies at the production phases. Specially in the case of the planted forests, those technologies are used from the obtainment of the seedlings until the delivery of the wood in the industry yards. The harvest has a distinguishable position in composing the final cost of the wood. In some cas
Publicado em: 2008
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23. Análise técnica e econômica de um sistema de colheita florestal / Technical and economic analysis of a forest harvest system
Hand logging systems were the first adopted, mostly, in the exploitation of native forests, with no concern with the rationalization and productivity of such activities. In Brazil, the first activities of forest harvesting were carried out along the coast, at that time of discovery, when the main traded species was brazilwood. Machine selection and developme
Publicado em: 2007
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24. QUALIDADE DA MADEIRA E RENTABILIDADE NA PRODUÇÃO DE Pinus taeda L. VISANDO MÚLTIPLOS MERCADOS / WOOD QUALITY AND PROFITABILITY IN PRODUCTION OF Pinus taeda L AIMING MULTIPLES MARKETS
This study aimed to analyze the behavior of simulations forest production in relation to the physical production and the market, considering costs and changes in prices paid to different assortments to knotwood and clearwood. To obtain the prognose of growth and production used the software FlorExcel in module for Growth and Production. It was considered for
Publicado em: 2007