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Article . 2016 . Peer-reviewed
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COMPACTAÇÃO DE UM CAMBISSOLO CAUSADA POR MÁQUINAS DE COLHEITA FLORESTAL ESPACIALIZADA COM GEOESTATÍSTICA

Authors: Jean Alberto Sampietro; Eduardo da Silva Lopes;

COMPACTAÇÃO DE UM CAMBISSOLO CAUSADA POR MÁQUINAS DE COLHEITA FLORESTAL ESPACIALIZADA COM GEOESTATÍSTICA

Abstract

Este trabalho objetivou avaliar o impacto e a extensão em que Resistência à Penetração (RP) de um Cambissolo Húmico é afetada pelo tráfego de máquinas de colheita da madeira em povoamentos de Pinus taeda, utilizando métodos geoestatísticos. O estudo foi conduzido em áreas de uma empresa florestal localizada em Santa Catarina. Os tratamentos avaliados advieram da simulação de diferentes intensidades de tráfego. Foram realizadas leituras de RP nas trilhas de passagem dos rodados das máquinas e transversalmente em intervalos de 0,25 até 1,00 m e entre rodados, perfazendo uma malha de 5 x 20 m, sendo 55 pontos por tratamento e 330 no total, com dados obtidos em intervalos de 0,01 m até 0,80 m de profundidade. Os dados foram avaliados por estatística descritiva e ajustaram-se modelos de semivariogramas para análise da dependência espacial e posterior realização de krigagem ordinária. Houve grande amplitude e variação da RP e predominância de ajuste de semivariogramas do tipo gaussiano, com forte grau de dependência espacial, de 0,774 a 0,929, e alcance variando de 0,83 a 2,12 m. Os métodos geoestatísticos permitiram determinar a extensão dos efeitos do tráfego, podendo servir de subsídio para melhoria no manejo do solo e planejamento das operações florestais.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average
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