The following information is compiled from various sources including:
| Variant AK BM CI CR CS EC EM KT LS NC NE NI NO PN SE SO TT UT WC WS |
# 33 39 44 49 52 43 35 53 51 45 48 15 56 54 55 25 32 31 50 37 |
Variant Southeast Alaska Blue Mountains Central Idaho Central Rockies Central States Twigs East Cascades Eastern Montana Kookantl Lake States Twigs Klamath Mountains (N. Calif.) Northeast Twigs Northern Idano Northern California Pacific Northwest Coast Range Southeast Twigs SORNEC (S. Org/N. Cal.) Tetons Utah West Cascades Wessin |
To help decide which FVS variant is most appropriate for your area use Find in your browser to locate a specific National Forest that is close to the area where you want to make growth projections.
AK : Region 10 (Tongas, Chugach)
BM : Region 6 (Malheur, Ochoco, Umatilla, Wallawa-Whitman, Oregon SDF, Washington DNR)
CI : Region 4 (Boise, Humbolt, Payette, Salmon, Sawtooth)
CR : Region 2 (Bighorn, Black Hills, GM-UNC-GUN, Medicine Bow, Nebraska, Rio Grande, Arapaho-Roosevelt, Routt, Pike and San Isabel, San Juan, Shosone, White River) ; Region 3 (Apache-Sitgreaves, Carson, Cibola, Coconino, Coronado, Gila, Kaibab, Lincoln, Prescott, Santa Fe, Tonto) ; Region 4 (Ashley, Dixie, Fishlake, Manti-LaSal)
CS : Region 9 (Mark Twain, Shawnee)
EC : Region 4 (Challis) ; Region 6 (Gifford Pinchot, Mt. Hood, Okanogan, Wenatchee, Oregon SDF, Washington DNR)
EM : Region 1 (Beaverhead, Custer, Deerlodge, Gallatin, Helena, Lewis and Clark, BLM) ; Region 2 (Bighorn, Shoshone) ; Region 4 (Bridger-Teton, Caribou, Payette, Salmon, Sawtooth)
KT : Region 1 (Idaho Panhandle, Flathead, Kaniksu, Kootenai)
LS : Region 9 (Chequamegon, Cheippewa, Huron-Manistee, Nicolet, Ottawa, Superior, Hiawatha)
NC : Region 5 (Klamath, Lassen, Mendocino, Siz Rivers, Shasta-Trinity) ; Region 6 (Siskiyou, Oregon SDF)
NE : Region 8 (Daniel Boone, George Washington, Jefferson) ; Region 9 (Wayne-Hoosier, Allegheny, Green Mtns-Finger Lakes, Monongahela, White Mountain)
NI : Region 1 (Bitterroot, Idaho Panhandle, Clearwater, Cour D'Alene, Flathead, Kaniksu, Kootenai, Lolo, Nezperce, St. Joe, BLM) ; Region 4 (Boise, Challis) ; Region 6 (Colville, Washington DNR)
NO :
PN : Region 6 (Olympic, Siuslaw, Washington DNR) ; Quinault Indina Res., Washington ; Orgeon Coast Range (non FS)
SE : Region 8 (Alabama Natl. For., Daniel Boone, Chattahoochee-Oconee, Cherokee, Florida Natl. For., Kisatchee, Mississippi Natl. For., George Washington, Ouchita, Ozark-St. Francis, N. Carolina Natl. For., Francis Marion-Sumter, Texas Natl. For., Jefferson)
SO : Region 4 (Humbolt, Toiyabe) ; Region 5 (Klamath, Lassen, Modoc, Plumas) ; Region 6 (Deschutes, Fremont, Winema, Oregon SDF)
TT : Region 3 (Shoshone) ; Region 4 (Ashley, Bridger-Teton, Caribou, Targhee, Uinta, Wasatch)
UT : Region 4 (Ashley, Bridger-Teton, Caribou, Dixie, Fishlake, Manti-LaSal, Uinta, Wasatch)
WC : Region 6 (Gifford Pinchot, Mt. Baker-Snowqualmie, Mt. Hood, Rogue River, Umpqua, Willamette, Oregon SDF, Washington DNR)
WS : Region 5 (Angeles, Cleveland, Eldorado, Inyo, Los Padres, Mendocino, Plumas, San Bernardino, Sequoia, Shasta-Trinity, Sierra, Stanislaus, Tahoe, Lake Tahoe Basin)
The following section includes the definitions of various codes used by FVS: