USDA Forest Service
 

Gypsy Moth In North America

 
 

Res. Work Unit NE-4557
Morgantown
180 Canfield ST.
Morgantown, WV 26505

(304) 285-1503

United States Department of Agriculture Forest Service.

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Evaluation of Forest Susceptibility to the Gypsy Moth across the Coterminous United States

TABLE 5

Total land area covered by forests in three susceptibility classes by state. Numbers directly under land areas in each susceptibility class are areas expressed as a percentage of total forested area for the state. The second number below each susceptiblity class area is the area expressed as a pecentage of the total state area (when inventory data were incomplete, this percentage was expressed as a proportion of the land area for all counties in the state were inventory data were available).

Proportion of Land Area > X% preferred BA
State >20% >50% >80% Total Forested Area (acres) Total Land Area (acres) Percent Forested
Alabama "13,353,833" "5,605,784" "1,097,587" "21,101,941" "32,488,960" 65.00%
Arizona "3,467,755" "2,196,094" "1,366,231" "13,438,231" "67,446,400" 19.90%
Arkansas "12,627,069" "7,126,122" "2,019,081" "16,933,049" "33,327,360" 50.80%
California "6,670,580" "3,725,334" "1,717,432" "19,441,535" "96,202,240" 20.20%
Colorado "2,534,751" "1,959,807" "1,466,463" "7,636,892" "21,229,440" 36.00%
Connecticut "1,124,263" "513,747" "135,500" "1,833,314" "3,117,440" 58.80%
Delaware "134,880" "45,896" "12,895" "370,716" "1,237,120" 30.00%
Florida "4,596,883" "2,919,942" "1,563,682" "13,376,393" "34,657,920" 38.60%
Georgia "10,591,225" "5,140,375" "1,518,469" "21,416,044" "37,157,120" 57.60%
Idaho "1,631,323" "647,697" "384,079" "15,260,411" "34,523,520" 44.20%
Illinois "2,849,100" "1,470,200" "303,900" "4,123,600" "35,616,640" 11.60%
Indiana "2,151,100" "894,400" "232,000" "4,485,600" "22,994,560" 19.50%
Iowa "1,453,500" "879,000" "313,900" "2,087,800" "35,816,960" 5.80%
Kansas "502,982" "280,460" "111,640" "1,509,188" "52,340,480" 2.90%
Kentucky "7,006,346" "3,186,509" "725,824" "11,320,276" "25,388,800" 44.60%
Louisiana "7,735,140" "3,327,734" "890,932" "13,197,070" "28,494,720" 46.30%
Maine "2,877,540" "988,354" "265,452" "10,039,385" "19,836,160" 50.60%
Maryland "1,167,110" "551,950" "150,170" "2,450,788" "6,296,320" 38.90%
Massachusetts "1,491,776" "880,466" "378,693" "3,109,185" "5,008,000" 62.10%
Michigan "9,475,633" "5,165,969" "2,139,662" "17,285,062" "36,448,640" 47.40%
Minnesota "11,388,800" "8,369,600" "4,683,000" "14,573,800" "50,909,440" 28.60%
Mississippi "11,152,861" "5,395,255" "973,703" "16,373,781" "30,229,120" 54.20%
Missouri "11,698,100" "9,070,500" "4,240,400" "13,332,400" "62,241,280" 21.40%
Montana "2,839,512" "1,293,647" "617,711" "23,285,474" "93,047,040" 25.00%
Nebraska "166,500" "90,000" "25,000" "542,500" "49,051,520" 1.10%
Nevada "45,111" "32,125" "32,125" "6,154,099" "25,484,440" 24.10%
New Hampshire "1,948,416" "502,259" "58,947" "4,868,632" "5,754,880" 84.60%
New Jersey "956,877" "633,474" "269,544" "1,741,830" "4,778,880" 36.40%
New Mexico "1,488,489" "583,945" "302,138" "14,483,241" "77,653,760" 18.70%
New York "5,998,373" "2,630,155" "853,625" "15,149,696" "30,320,640" 50.00%
North Carolina "8,920,232" "3,735,139" "769,014" "17,560,691" "31,259,520" 56.20%
North Dakota "241,457" "203,376" "147,332" "336,858" "44,349,440" 0.80%
Ohio "3,154,099" "1,177,289" "247,551" "7,336,031" "26,243,840" 28.00%
Oklahoma "3,528,671" "2,197,647" "895,582" "4,592,688" "10,103,680" 45.50%
Oregon "1,962,239" "797,186" "404,347" "19,957,263" "61,559,040" 32.40%
Pennsylvania "8,463,412" "4,233,856" "1,187,996" "15,938,953" "28,730,880" 55.50%
Rhode Island "289,106" "184,623" "89,442" "371,495" "674,560" 55.10%
South Carolina "6,162,602" "2,870,525" "830,737" "11,423,362" "19,331,840" 59.10%
South Dakota "25,199" "16,629" "4,310" "112,064" "44,206,080" 0.30%
Tennessee "8,691,667" "4,334,683" "886,443" "12,849,100" "26,338,560" 48.80%
Texas "7,930,344" "3,914,638" "1,111,585" "11,525,463" "21,592,960" 53.40%
Utah "2,433,429" "1,801,605" "1,434,648" "6,770,874" "52,528,000" 12.90%
Vermont "1,020,196" "322,851" "51,399" "4,427,467" "5,935,360" 74.60%
Virginia "8,962,671" "4,718,593" "1,317,601" "14,773,849" "25,408,640" 58.10%
Washington "1,671,447" "477,406" "118,058" "16,152,518" "42,568,960" 37.90%
West Virginia "7,157,834" "3,544,213" "836,105" "11,976,604" "15,437,440" 77.60%
Wisconsin "10,137,100" "6,934,300" "3,436,900" "14,480,700" "34,832,000" 41.60%
Wyoming "504,049" "364,215" "248,501" "3,059,329" "20,094,720" 15.20%
Totals "222,381,582" "117,935,574" "42,867,336" "484,567,243" "1,570,295,320"


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