## The Chapman-Richards growth function

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${\LARGE y(t) =y_\text{max} [1 – e^{-kt}]^p}$   What does it mean? Growth functions in general describe the change in size of an individual or population with time (Burkhart and Tomé, 2012). Assume that $y(t)$ is a tree growth variable, e.g. tree total height or tree volume, and  $y_\text{max}$ is the maximum value this growth variable can… Continue reading The Chapman-Richards growth function