tree diameter distribution
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2017 ◽  
Vol 38 (2) ◽  
pp. 263-275 ◽  
Author(s):  
Z Carter Berry ◽  
Nathaniel Looker ◽  
Friso Holwerda ◽  
León Rodrigo Gómez Aguilar ◽  
Perla Ortiz Colin ◽  
...  

Forests ◽  
2017 ◽  
Vol 8 (6) ◽  
pp. 184 ◽  
Author(s):  
Meinrad Abegg ◽  
Daniel Kükenbrink ◽  
Jürgen Zell ◽  
Michael Schaepman ◽  
Felix Morsdorf

2010 ◽  
Vol 18 (01) ◽  
pp. 205-221 ◽  
Author(s):  
PETRAS RUPŠYS ◽  
EDMUNDAS PETRAUSKAS

This study presents diffusion processes methodology on tree diameter distribution problem. We use stochastic differential equation methodology to derive a univariate age-dependent probability density function of a tree diameter distribution. The purpose of this paper is to investigate the relationship between the stochastic linear and logistic shape diameter growth models and diameter distribution laws. We establish the probabilistic characteristics of stochastic growth models, such as the univariate transition probability density of tree diameter, the mean and variance of tree diameter. We carry out comparison of proposed continuous time stochastic models on the basis of Hong-Li, Gini, Shapiro-Wilk goodness-of-fit statistics and normal probability plot. Parameter estimations are based on discrete observations over age of trees. To model the tree diameter distribution, as an illustrative experience, a real data set from repeated measurements on a permanent sample plot of pine (Pinus sylvestris) stand in the Kazlu Ruda district at Lithuania is used. The results are implemented in the symbolic computational language MAPLE.


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