NHRI Tools & Documents

Forest Management Tools


NHRI Silviculture Prescription System


Training Videos

Visit the NHRI YouTube channel to see our complete series of videos on different topics!

NHRI Tool:
Stand Density Management Diagram (SDMD)

NHRI Tool:
Silvicultural Prescription System (SPS)

NHRI Tool:
Tree Classification System

Acceptable Regeneration


Basal Area

Basal Live Crown

Horizontal Structure

Over-Mature Strata and Patches of IH and Fir

Tolerance to Shade

Trees from the Same Disturbance