College of Agriculture and Natural Resources
Center for Land Use Education and Research

Your Town: Forest Fragmentation

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Forest Fragmentation Analysis Project

Salisbury North Canaan Norfolk Colebrook Hartland Granby Suffield Enfield Somers Stafford Union Woodstock Thompson Canaan East Granby Barkhamsted Winchester Eastford Ashford Willington Ellington Windsor Locks East Windsor Putnam Tolland Windsor Sharon Canton Simsbury Cromwall Pomfret Goshen Killingly Bloomfield New Hartford Torrington Vernon South Windsor Coventry Mansfield Chaplin Hampton Brooklyn Avon Manchester Burlington Hartford Bolton West Hartford East Hartford Harwinton Litchfield Kent Warren Sterling Farmington Plainfield Andover Canterbury Windham Scotland Glastonbury Columbia Hebron Wetherfield Newington Bristol Morris New Britain Lebanon Plymouth Washington Thomaston Plainville Marlborough Rocky Hill New Milford Watertown Bethlehem Sherman Franklin Sprague Southington Berlin Lisbon Voluntown East Hampton Griswold Wolcott Portland Cromwell Colchester Waterbury Woodbury Norwich Roxbury Middletown Bozrah Meriden Preston Middlebury Bridgewater Cheshire Middlefield Salem East Haddam New Fairfield Old Lyme North Stonington Montville Naugatuck Haddam Brookfield Wallingford Southbury Durham Oxford Ledyard Newtown Bethany Beacon Falls Danbury Hampden East Lyme Killingworth Lyme Madison Stonington North Haven Chester Guilford Bethel Waterford North Branford Seymour Groton Deep River Woodbridge Monroe New London Essex Ridgefield Shelton Old Lyme East Haven Ansonia Derby Redding New Haven Westbrook Old Saybrook Clinton Easton Branford Orange West Haven Trumbull Milford Weston Stratford Wilton Fairfield Bridgeport New Canaan Westport Stamford Norwalk Greenwich Darien

First, click on the map or the menu to select a town. Then use the buttons below to see forest fragmentation maps for each of Connecticut's towns for all study dates as well as a change map. Don't forget to scroll down for summary data tables below the maps!

Follow these links for a description of the forest categories or to see a visual explanation of the forest categories. To take a closer look or compare the forest fragmentation maps with our land cover maps, visit the interactive map. For information organized by watersheds, visit Your Watershed. Also, there are a number of charts and tables summarizing statewide data.

You may also want to visit the land cover "Your Town" page. To download the GIS files, visit the download data page. Finally, don't miss the FAQ page.

Portland, Connecticut

Portland Forest Fragmentation and Change

1985 1990 1995 2002 2006 Change
acres % of town acres % of town acres % of town acres % of town acres % of town acres % change
Patch Forest 461 2.9% 444 2.8% 469 3% 523 3.3% 538 3.4% 78 16.8%
Edge Forest 3154 20.2% 3217 20.6% 3255 20.8% 3182 20.4% 3218 20.6% 64 2%
Perforated Forest 406 2.6% 469 3% 524 3.4% 659 4.2% 656 4.2% 250 61.7%
Small Core Forest 1780 11.4% 1877 12% 1714 11% 1192 7.6% 1086 6.9% -694 -39%
Medium Core Forest 606 3.9% 321 2.1% 321 2.1% 598 3.8% 598 3.8% -9 -1.4%
Large Core Forest 3830 24.5% 3815 24.4% 3727 23.9% 3650 23.4% 3614 23.1% -216 -5.6%
Developed 1776 11.4% 1922 12.3% 1984 12.3% 2103 13.5% 2159 13.8% 383 21.6%
Non-forest 2565 16.4% 2577 16.5% 2700 16.5% 2820 18.1% 2860 18.3% 295 11.5%
Water 1047 6.7% 982 6.3% 930 6.3% 898 5.7% 895 5.7% -152 -14.5%
Total Core Forest 6216 39.8% 6014 38.5% 5762 36.9% 5439 34.8% 5297 33.9% -918 -14.8%
Total Forest 10236 65.5% 10144 64.9% 10010 64.1% 9803 62.7% 9710 62.1% -526 -5.1%