How is FIA data collected?

How is FIA data collected?

They locate new or previously established sample sites using GPS and aerial photograph baseline techniques. Field crews measure and classify attributes of forest conditions and health including: tree species, diameter, age, height, crown condition.

What is the FIA database?

The USDA's Forest Inventory and Analysis (FIA) Program has been monitoring the Nation's public and private forests since 1930 and is often referred to the Nation's Forest Census.

What is the FIA program?

The FIA program is the primary official source of authoritative information to national and global assessments, reports, and statistics on the status, conditions and trends of the U.S. forests and the services they provide.

How large are FIA plots?

To be considered forested, FIA protocols require the area to be at least one acre in size, 120 feet wide, and 10% canopy cover of qualifying tree species. If a plot is forested, they then proceed to establish the plot and collect data on numerous variables.

How FIA data is collected?

They locate new or previously established sample sites using GPS and aerial photograph baseline techniques. Field crews measure and classify attributes of forest conditions and health including: tree species, diameter, age, height, crown condition.

What is an FIA plot?

An FIA plot consists of a cluster of four circular subplots spaced out in a fixed pattern. The plot is designed to provide a sampling frame for all P2 and P3 measurements. Most tree measurements are taken within the subplots. Seedlings, saplings and other vegetation are measured on the microplots.Feb 3, 2005

What is a CFI plot?

Continuous Forest Inventory (CFI) is a series of uniformly spaced permanent sample plots that are measured periodically to quantify forest conditions and changes.