Basic Forest Inventory
Phase 1 is the aspect
of data collection related to remotely sensed
data in the form of aerial photographs,
digital orthoquads, and satellite imagery. This
two tasks, initial plot measurement via
remotely sensed data and stratification. This
is accomplished in the office. A Phase 1 “photo
point” is characterized as forest
or nonforest. A subset of the photo points
selected for field data collection (Phase
The Phase 2 component of FIA's Basic Forest
Inventory consists of one field sample site
for every 6,000
collect data on forest type, site attributes,
tree species, tree size, and overall tree
condition on accessible forest land.
To learn more about FIA's Basic Forest Inventory
view the FIA
Data Collection, Sampling
and Plot Design, and Phase
2 and Phase 3: Ground Measurements Fact Sheets in the FIA
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