Jan 29, 2025 · The Forest Inventory and Analysis (FIA) program of the USDA Forest Service Research and Development Branch collects, processes, analyzes, and reports on data …

This chapter describes the prescribed core plot2 design currently used by Forest Inventory and Analysis (FIA) for Phase 2 and Phase 3 ground sampling. FIA ground plots relate to the …

This chapter describes the prescribed core plot2 design currently used by Forest Inventory and Analysis (FIA) for Phase 2 and Phase 3 ground sampling. FIA ground plots relate to the …

the three phases of FIA’s sampling design, describes the sampling frame and plot configuration, presents the estimators that form the basis of FIA’s National Information Management System …

The publication presents an overview of the conceptual changes involved, explains the three phases of FIA’s sampling design, describes the sampling frame, explains how plots are …

A 68.1 ha mapped population, constructed out of 0.081 ha (1/5 acre) Forest Inventory and Analysis of the USDA Forest Service (FIA) plot measurements at 2 points of time in Maine, …

Basic FIA Design – four 24‐foot radius subplots, with each sub‐plot containing a 6.8 foot microplot. Subplots are used for selecting trees on which to conduct basic tree measures (over 5” dbh). …

Phase 2 relates to FIA’s network of permanent ground plots, which has a spatial sampling intensity of approximately one plot per 6,000 acres. Field crews install, monument, and …

Because FIA data were made available in FVS-ready format through the FIA Mapmaker interface, an increasing number of users have been using FVS as their tool of choice for compilation of …

In a typical forest inventory, stands are commonly delineated prior to sampling based on age, compos-ition, density, minimum size, and other stratifying features. Plots are then arranged …