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Open AccessArticle

Modeling Biomass and Nutrients in a Eucalyptus Stand in the Cerrado

1
Department of Forest Sciences, Universidade de Brasília—UnB, Brasília 70904-970, DF, Brazil
2
Ecology and Conservation Department, Universidade do Estado do Mato Grosso—UNEMAT, Nova Xavantina 78690-000, MT, Brazil
3
Department of Forest Engineering, Universidade Federal do Paraná—UFPR, Curitiba 80060-000, PR, Brazil
*
Author to whom correspondence should be addressed.
Forests 2020, 11(10), 1097; https://doi.org/10.3390/f11101097
Received: 15 August 2020 / Revised: 10 September 2020 / Accepted: 11 September 2020 / Published: 16 October 2020
The prediction of biological processes, which involve growth and plant development, is possible via the adjustment of mathematical models. In forest areas, these models assist in management practices, silviculture, harvesting, and soil fertility. Diameter, basal area, and height are predictors of volume and biomass estimates in forest stands. This study utilized different non-linear models for estimating biomass and nutrient values in the aerial biomass and roots of an unmanaged eucalypt stand in Cerrado dystrophic soil. It was hypothesized that the models would estimate the nutrients of the aboveground biomass and roots after meeting the selection and validation criteria. By statistical analysis of the parameters and subsequent validation, the Schumacher–Hall model was presented to be the best fit for biomass and nutrients. This result confirmed the ability of different variables, including diameter, basal area, and height, to be predicted. Estimating the nutrient values in the aboveground biomass and roots allowed a better understanding of the quality of the vegetal residues that remained in the soil. For dystrophic soils, which occur in the Cerrado, these estimates become even more relevant. View Full-Text
Keywords: non-linear model; Schumacher–Hall model; aerial biomass; nutrient cycling non-linear model; Schumacher–Hall model; aerial biomass; nutrient cycling
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MDPI and ACS Style

Valadão, M.B.X.; Carneiro, K.M.S.; Ribeiro, F.P.; Inkotte, J.; Rodrigues, M.I.; Mendes, T.R.S.; Vieira, D.A.; Matias, R.A.M.; Lima, M.B.O.; Miguel, E.P.; Gatto, A. Modeling Biomass and Nutrients in a Eucalyptus Stand in the Cerrado. Forests 2020, 11, 1097.

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