Forest inventory Flashcards
What is a TIMO?
Timber investment management organization. Helps financial institutions manage timberland investments. Creates international funds with favourable returns that can be invested in by financial institutions.
Why is an accurate inventory essential?
- Helps determine what is physically possible and financially realistic
- Helps set management plan goals
- Enables forest development activities and field operations
- Forms the basis for determining accurate AAC
What is a net down?
An area that is inoperable due to limiting conditions.
- rock bluff
- road
- steep terrain
What is a constraint?
An area that can not be harvested due to a temporary reserve. Can be updated to harvestable land when constraining feature has past.
ex. bear den
What is a challenge of keeping an accurate inventory?
timber conditions and volumes are constantly changing, so inventory must be continually updated with respect to:
- net downs and constraints
- updating stand volume for growth
- depletions need to account for harvesting
- road/culvert deactivation
- new stream info
Who uses inventories?
- Operational (harvest plans/silviliculture perscriptions)
- Strategic (Watershed development)
- Corporate
What is very important to get right when your doing an inventory?
Accurate assesment of timber harvesting landbase
inventory must account for depletion
What are some important variable that go on an inventory lable?
SPH Vol/ha Spp distribution grade/product distribution Age SI
How are inventory cruises different than cruise appraisals?
Different scale & error requirements
Sampling intensity is much lower
More information is generally collected
