Ozone is an important forest stressor that has been measured at known phytotoxic levels at forest locations across the United States. The ozone bioindicator data of the U.S. Forest Service Forest Inventory and Analysis Program (FIA) are the only source of information available that documents plant injury from air pollution using consistent protocols. This document introduces the FIA ozone indicator and describes the sampling and estimation procedures of the national biomonitoring program. It provides background material on ozone, examples of bioindicator summary statistics, a description of spatial interpolation, and methods to estimate status and change in forested areas with respect to the occurrence of ozone injury from ambient ozone concentrations. The goal is to provide guidance to analysts and researchers on ways to incorporate ozone bioindicator data into reports and research studies.

In 1994, the Forest Inventory and Analysis (FIA) and Forest Health Monitoring programs of the U.S. Forest Service implemented a national ozone (O3) biomonitoring program designed to address specific questions about the area and percent of forest land subject to levels of O3 pollution that may negatively affect the forest ecosystem. This is the first and only nationally consistent effort to monitor O3 stress on the forests of the United States. This report provides background information on O3 and its effects on trees and ecosystems, and describes the rationale behind using sensitive bioindicator plants to detect O3 stress and assess the risk of probable O3 impact. Also included are a description of field methods, analytic techniques, estimation procedures, and how to access, use and interpret the ozone bioindicator attributes and data outputs such as the national ozone risk map.

Describes the structure of the Forest Inventory and Analysis Database (FIADB) 4.0 for phase 3 indicators. The FIADB structure provides a consistent framework for storing forest health monitoring data across all ownerships for the entire United States. These data are available to the public.

This annual Forest Inventory and Analysis (FIA) Fiscal Year 2015 business report (#18) will tell you, the taxpayers, partners, and clients what the program has accomplished with the financial resources provided and what the program will accomplish in the coming year with budgeted financial resources. This relationship with taxpayers, partners, and clients is integral to FIA's continued success, because accountability is their first priority. Some key findings of this annual report are: Annualized progress, Funding, Partners' support, Grants and agreements, Data availability, Five-year reports, Quality assurance, Users groups, Personnel, Other program features, New FIA Strategic Plan, Looking to 2016. This information can be used in many ways, such as evaluating wildlife habitat conditions, assessing sustainability of current ecosystem management practices, monitoring forest health, supporting planning and decision-making activities undertaken by public and private enterprises, and predicting the effects of climate change. Related products: Soil Manual Survey --New --2017 can be found here: https://bookstore.gpo.gov/products/soil-survey-manual-march-2017 Forest Health Monitoring: National Status, Trends, and Analysis, 2014 can be found here: https://bookstore.gpo.gov/products/sku/001-000-04768-0?ctid=819 National Individual Tree Species Atlas can be found at this link: https://bookstore.gpo.gov/products/sku/001-001-00703-0?ctid=819 Christmas Tree Pest Manual can be found at this link: https://bookstore.gpo.gov/products/sku/001-000-04764-7?ctid=819 Other products available from the United States Forest Service can be found at this link: https://bookstore.gpo.gov/agency/819 Environment & Nature publications can be found here: https://bookstore.gpo.gov/catalog/environment-nature Department of Agriculture (USDA) publications can be found here: https://bookstore.gpo.gov/agency/department-agriculture-usda