83% forested*

Maine has an estimated 17,532,518 acres of forest land. * Percent forest is forest area/total area. Percent forest with water removed from total area is 89%.

This resource update is a brief look at some of the basic Maine has 3,517 sample plots across the State, of which

metrics that describe the status of and changes to forest

resources in Maine. This information is based on field data

collected using the USDA Forest Service Forest Inventory

and Analysis (FIA) annualized sample design, and it is

updated yearly.

Area of forest land

(million acres)

Number of live trees

on forest land

(billion trees)

Volume of live trees

on forest land

(billion cubic feet)

2015

17.58

17.53

24.35

23.22

26.96

27.49

2020

11,287 acres of nonforest

revert back to forest annually*

18,782 acres of forest land

convert annually* to nonforest

0 acres of forest land

are disturbed annually* by fire

17,291 acres of forest land

are disturbed annually* by weather events

403,734 acres of forest land

are treated by cutting

(harvest, thinning, etc.) annually*

3,143 are currently forested. Each year, about 10-20 percent

of these plots are visited and measured by field crews. Data

used in this update were accessed from the FIA database on

06/02/2022.

Federal

1.39% State and

Local

6.81%

Private

91.80%

Annual Net Change 142

Annual Removals 592

Annual Mortality 282

Annual Gross Growth 1,016

All live (million cubic feet)

Forest land ownership

USDA Forest Service - Forest Inventory & Analysis

The estimates presented are based on data retrieved from the FIA database (06/02/2022) and may not reflect the most recent data available from the FIA

program. Note – this publication does not include estimates of uncertainty. The most current data and sampling error for the estimates above can be

found by visiting https://www.fia.fs.usda.gov/.

*Average annual estimates are based on data collected across 5-10 years and may not be indicative of the nominal year presented in the title by itself.

Forests of

Maine, 2020
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	 	

	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	 	 	 	 	 	

	 	 	 	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	

	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

	 	

	 	 	 	 	 	 	 	 	 	 	

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

How to cite this publication

USDA Forest Service. 2021. Forests of Maine, 2020. Resource Update FS-330. Madison, WI: U.S. Department of Agriculture, Forest Service.

2p. https://doi.org/10.2737/FS-RU-330 .

Archived Versions

This report and archived past versions can be found on the USDA Forest Service publication database, Treesearch using keywords "Forest

Inventory" and "Maine" here: https://www.fs.usda.gov/treesearch/.

National Woodland Owner Survey

The National Woodland Owner Survey (NWOS) collects and reports on multiple attributes of forest land ownership. Details of the NWOS program can be

found here: https://www.fia.fs.usda.gov/nwos/.

The most recent NWOS Factsheet for Maine can be found here: https://www.nrs.fs.usda.gov/pubs/52422/.

Additional Resources

The application that produced this resource update was developed using data from the USDA Forest Service Forest Inventory and Analysis database

(FIADB): https://apps.fs.usda.gov/fia/datamart/datamart_excel.html .

Tables for Maine, 2020 can be found here: https://doi.org/10.2737/FS-RU-330-Tables

The FIA one-click application can be found here: https://doi.org/10.2737/FIA-One-Click-State-Report-v1.2

Bechtold, W.A.; Patterson, P.L., eds. 2005. The enhanced Forest Inventory and Analysis program—national sampling design and estimation procedures.

Gen. Tech. Rep. SRS–80. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 85 p.

https://doi.org/10.2737/SRS-GTR-80 .

NOTE: Some of the above links will not be active until the resource update has been approved for official publication.

The U.S. Department of Agriculture (USDA) is an equal opportunity provider, employer, and lender.

Forests of

Maine, 2020