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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/3946

Title: Análise do módulo da queda de folhada em eucaliptais no modelo 3-PG
Authors: Firmino, Paulo Neves
Advisor: Carvalho, Ana Paula Soares
Tomé, Maria Margarida Brito Tavares
Keywords: Eucalyptus globulus
litterfall
3-PG model
Issue Date: 2011
Publisher: ISA/UTL
Citation: Firmino, Paulo Neves - Análise do módulo da queda de folhada em eucaliptais no modelo 3-PG. Lisboa: ISA, 2011
Abstract: An underestimation of accumulated leaf biomass obtained with the 3-PG model when applied to a fertilization and irrigation trial of Eucalyptus globulus, conduced to install three plots in seminal high forest of Eucalyptus globulus with different ages and different site indexes to support the tendency observed in the fertilization and irrigation trial. Plots 1 and 2 were installed in a 4,5 years old eucalyptus stand, while plot 3 was installed in a 8,5 years old stand. Acummulated litterfall (dried) biomass during the period 15 March – 26 October 2011, was 1,12 Mg ha-1, 1,86 Mg ha-1 e 2,82 Mg ha-1 respectively. A higher site index distinguished results of the same age stands, while the plot at the older stand achieved superior biomass. Although the reduced number of litterfall collects, estimates obtained by 3-PG when applied to the three plots confirm the underestimation of litterfall. It’s necessary to complete this study for at least one year and possibly install more plots in different combinations of age and site index to confirm the need of improvement of the litterfall module of 3-PG model in Portugal.
Description: Mestrado em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/3946
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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