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# The demography module

The functionality of the demography module is split into the following submodules

* The [`flora` module](./flora.md) that defines the set of plant functional traits used
  in demographic modelling and the classes used to represent those traits.
* The [`t_model` module](./t_model.md) module that implements the allometric and
  allocation equations of the T Model {cite}`Li:2014bc`.
* The [`crown` module](./crown.md) that implements a three dimensional model of crown
  shape taken from the Plant-FATE model {cite}`joshi:2022a`.
* The [`community` module](./community.md) that implements a plant community model using
  size-structured cohorts.
* The [`canopy` module](./canopy.md) that generates a model of the canopy structure for
  a community, based on the Perfect Plasticity Approximation model {cite}`purves:2008a`.