Field-Map Stem Analyst (FMSA)

FMSA is a software tool used for two main tasks:

  • Defining parameters for a global stem curve model
  • Defining assortments on the inventory plot

The parameters for the global stem curve model are defined based on measured stem profiles. You can measure sections of felled trees or use the so-called six-point method on standing trees.

Prior to assortment calculation, stump height can be defined as a percentage of tree height, a fixed height, or a fixed diameter.

Outputs of the analysis include

  • Global stem curve model for individual species or species groups
  • Model statistics
  • Charts showing diameter and volume residuals
  • Profiles of individual sample stems
  • Stem volume calculation

Field measurements required to obtain sufficient data

  • Virtual division of stem parts based on quality
  • Measurement of branch knot diameters and their count
  • Damage classification
  • Measurement of heights of stem forks

Assortments module features

  • Flexible assortments: definition of assortments, dimensions, quality and financial value
  • Assortment scenarios: preference of certain assortments, allowed damage classes and decay degrees, etc.
  • Selection of a global stem curve model
  • Assortment calculation broken down by volume classes
  • Preparation of data for further evaluation using Field-Map Inventory Analyst

Stem profile model

Sample tree sorting

Field data measured using FMDC