Features and Partial Derivatives of Bertalanffy-Richards Growth Model in Forestry
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The Bertalanffy-Richards growth model is employed more than any other models for forest growth and yield modelling. However, its fea- tures have not completely been recognised. As a result, misunderstanding of the model still appears in some papers published in forest journals. A study by (1) is cited here as an evidence of the misunderstanding. This paper tries to explain different features of the Bertalanffy-Richards growth model based on the different conditions of the allometric parameter and introduces an assessment software to easily get the partial derivatives w ith respect to each parameter when more complex techniques (e.g., the Marquardt method) are employed to estimate parameters of any nonlinear models. This paper indicates that (1) study appears some unreasonable evidences of nonlinear growth models from a forestry perspective.
Subfields: Global and Planetary Change, Mechanics of Materials, Nature and Landscape Conservation
View Paper: https://www.semanticscholar.org/paper/384ecf9e32960a8d8cfd7eb2bacce8fbc70dc4e5
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Citations in the corpus
- Derivation of Inflection Points of Nonlinear Regression Curves - Implications to Statistics (2013, background): “Applications in animal sciences include [11-17]; and those in forestry and plant sciences include [18-20].”