SORTIE-ND
Software for spatially-explicit simulation of forest dynamics

Partitioned Height Biomass

This behavior calculates biomass as a linear function of tree height, partitioned into leaf and bole biomass.

Parameters for this behavior

Parameter nameDescription
Partitioned Height Biomass - Leaf Slope (a)The slope in the linear biomass equation for leaves.
Partitioned Height Biomass - Leaf Intercept (b)The intercept in the linear biomass equation for leaves.
Partitioned Height Biomass - Bole Slope (a)The slope in the linear biomass equation for boles.
Partitioned Height Biomass - Bole Intercept (b)The intercept in the linear biomass equation for boles.

How it works

The biomass of leaves and boles is calculated using the same equation, but using different parameters. The equation is:

Bioi = ai * Height + bi

where

  • Bioi = biomass in kg dry weight of either leaves, branches, or the bole
  • ai = either the Partitioned Height Biomass - Leaf Slope (a) or Partitioned Height Biomass - Bole Slope (a) parameters
  • bi = either the Partitioned Height Biomass - Leaf Intercept (b) or Partitioned Height Biomass - Bole Intercept (b) parameters
  • Height = tree's height in meters

The amount of each type of biomass, in metric tons, for each species is saved in a grid called Partitioned Biomass. You can save these values in a detailed output file for analysis.

How to apply it

Apply this behavior to saplings, adults, or snags of any species. This behavior does not automatically create output. Once you have added this behavior to your run, the Detailed output grid setup window will list the Partitioned Biomass grid. You can then view the contents of this grid as a table using SORTIE's data visualization system.