2019
DOI: 10.5380/rf.v49i3.58897
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INDEPENDENT AND SIMULTANEOUS MODELING OF BIOMASS AND CARBON OF Guinean Elaeis

Abstract: The objective of this study was to perform and evaluate the modeling for individual and aboveground components of biomass and carbon in palm crops by independent and simultaneous estimation in different cultivation ages. The data collection was performed in a commercial pam crop in Taperoá, state of Bahia. Five models were tested and the best one was chosen based on statistical criteria of adjusted R2, Syx (%), AIC and graphical analysis of the residuals for independent adjustments and the best equations for e… Show more

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Cited by 3 publications
(3 citation statements)
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“…Comparing the two fitting methods (individual fitting and the NSUR approach), the statistics of fitting were similar (with small gains in RSME and R 2 for the NSUR approach); however, residuals plots presented different trends (figures 2-4). According to Sanquetta et al (2019), when comparing individual fitting and NSUR, it can be seen that both approaches have similar precision statistics. NSUR models should be used to predict total biomass and its fractions because biological consistency must be considered.…”
Section: Individual Tree Component and Agb Modelsmentioning
confidence: 98%
See 1 more Smart Citation
“…Comparing the two fitting methods (individual fitting and the NSUR approach), the statistics of fitting were similar (with small gains in RSME and R 2 for the NSUR approach); however, residuals plots presented different trends (figures 2-4). According to Sanquetta et al (2019), when comparing individual fitting and NSUR, it can be seen that both approaches have similar precision statistics. NSUR models should be used to predict total biomass and its fractions because biological consistency must be considered.…”
Section: Individual Tree Component and Agb Modelsmentioning
confidence: 98%
“…According to Bi et al (2004), the lack of additivity means that the sum of the predicted values from biomass models of tree components does not match the value obtained from models predicting the total AGB of the trees. A simultaneous adjustment allows verifying if the sum of the equations of each fraction is equal to the AGB equation, guaranteeing the additivity of the biomass fraction and improving the statistical adjustment (Sanquetta et al 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Of note, forest biomass production is affected by multiple factors, such as the site quality, genetic ability of the species, and age and density of the plantation. In this context, numerous studies have evaluated biomass production of forests with diverse species and at different sites (Watzlawick et al 2013;Lisboa et al 2015;Lima et al 2016;Silva et al 2017;Sanquetta et al 2019;Péllico Netto and Behling 2019) to gather data on forest plantations. Upon the identification of such factors, biomass production of plantations can be improved.…”
Section: Introductionmentioning
confidence: 99%