USDA Forest Service
  

Forest Inventory and Analysis National Program


 

Forest Inventory & Analysis
National Office
U.S. Forest Service
1601 North Kent Street,
Suite 400
Arlington, VA 22209

(703) 605-4177

United States Department of Agriculture Forest Service.

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FIA Library


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Field Guides, Methods and Procedures
 
All download documents are in Acrobat PDF format
Field Guides for Standard (Phase 2) Measurements
Version 6.1 of the FIA field methods guide was released October 2014. It describes the current set of nationally consistent core field procedures used by all FIA units for projects which begin after the date of release. This version of the field guide covers all core and core optional measurements collected on Phase 2 plots (the standard base FIA sample grid, each sample location represents approximately 6,000 acres). Please see the change information in the front of the document for a summary of the changes from version 6.0 to version 6.1.


Phase 2 Measurement Field Guide, Version 6.1 (3.7MB)

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Field Methods for Forest Health (Phase 3) Measurements
These measurements are collected on a 1/16 subset of the standard base FIA grid plots. Chapter numbers follow the numbers established for the Standard, Phase 2 measurement field guide.

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USDA Forest Service
Last Modified: November 12, 2014


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