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Simultaneous estimation as alternative to independent modeling of tree biomass

Erratum to: Simultaneous estimation as alternative to independent modeling of tree biomass

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Simultaneous estimation as alternative to independent modeling of tree biomass

Content Provider	Springer Nature Link
Author	Sanquetta, Carlos Roberto Behling, Alexandre Corte, Ana Paula Dalla Péllico Netto, Sylvio Schikowski, Ana Beatriz Amaral, Mauricio Koubay
Copyright Year	2015
Abstract	In this paper it is shown that a simultaneous adjustment provides more efficient estimates of total tree biomass than with independent modelling for biomass estimates by compartments (canopy, bole and roots). When modeling tree biomass, it is important to consider the additivity property, since the total tree biomass must be equal to the sum of the biomass of the components.The aim of this study was to assess the simultaneous estimation performance, considering the additivity principle with respect to independent estimate when modeling biomass components and total biomass.Individual modeling of total biomass and biomass components of leaves, branches, bole without bark, bole bark, and roots was performed on Pinus elliottii Engelm trees derived from forest stands in southern Brazil. Five nonlinear models were tested, and the best performance for estimating the total biomass of each component was selected, characterizing the independent estimation. The models selected for each component were fitted using the nonlinear seemingly unrelated regression method, which characterizes simultaneous estimation.Independent fitting of coefficients for biomass components and total biomass was not satisfactory, as the sum of the biomass component estimates diverged from the total biomass. This was not observed when the simultaneous fitting was used, which takes into account the additivity principle, and resulted in more effective estimators.The simultaneous estimation method must be used in modeling tree biomass.
Starting Page	1099
Ending Page	1112
Page Count	14
File Format	PDF
ISSN	12864560
Journal	Annals of Forest Science
Volume Number	72
Issue Number	8
e-ISSN	1297966X
Language	English
Publisher	Springer Paris
Publisher Date	2015-07-21
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Paris
Access Restriction	Subscribed
Subject Keyword	Nonlinear seemingly unrelated regressions Additivity Biomass components Pinus elliottii SAS Forestry Wood Science & Technology Forestry Management Tree Biology Environment
Content Type	Text
Resource Type	Article
Subject	Ecology Forestry

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Simultaneous estimation as alternative to independent modeling of tree biomass

Erratum to: Simultaneous estimation as alternative to independent modeling of tree biomass

Comparison of seemingly unrelated regressions with error-in-variable models for developing a system of nonlinear additive biomass equations

Erratum to: Simultaneous estimation as alternative to independent modeling of tree biomass

Genetic parameters of growth, straightness and wood chemistry traits in Pinus pinaster

Improving the robustness of biomass functions: from empirical to functional approaches

Productivity of Pinus elliottii, P. caribaea and their F$_{1}$ and F$_{2}$ hybrids to 15 years in Queensland, Australia

Aboveground stand-level biomass estimation: a comparison of two methods for major forest species in northwest Spain

Estimation of tree biomass, carbon pool and net primary production of an old-growth Pinus kesiya Royle ex. Gordon forest in north-eastern India

Simultaneous estimation as alternative to independent modeling of tree biomass

Similar Documents

Simultaneous estimation as alternative to independent modeling of tree biomass

Erratum to: Simultaneous estimation as alternative to independent modeling of tree biomass

Comparison of seemingly unrelated regressions with error-in-variable models for developing a system of nonlinear additive biomass equations

Erratum to: Simultaneous estimation as alternative to independent modeling of tree biomass

Genetic parameters of growth, straightness and wood chemistry traits in Pinus pinaster

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Productivity of Pinus elliottii, P. caribaea and their F$_{1}$ and F$_{2}$ hybrids to 15 years in Queensland, Australia

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Simultaneous estimation as alternative to independent modeling of tree biomass